Merge pull request #1236 from ktprograms/readme-google-services

Add google-services.json instructions to README

.github/workflows/deploy.yml

@@ -0,0 +1 @@
+

.gitignore

@@ -60,8 +60,10 @@ buck-out/
 
 # Other Files
 app/google-services.json
+app/twitter.properties
 *.log
 .vagrant
 *.hprof
 app/build
 bin
+app/debuglib

.gitlab-ci.yml

@@ -8,10 +8,13 @@ build apk:
   stage: build
   image: lbry/android-base:platform-28
   before_script:
-    - apt-get -y update && apt-get -y install build-essential ca-certificates curl git gpg-agent openjdk-8-jdk software-properties-common wget zipalign
+    - echo "$PGP_PRIVATE_KEY" | gpg --batch --import
+    - echo 'deb https://gitsecret.jfrog.io/artifactory/git-secret-deb git-secret main' >> /etc/apt/sources.list
+    - wget -qO - 'https://gitsecret.jfrog.io/artifactory/api/gpg/key/public' | apt-key add -
+    - apt-get -y update && apt-get -y install build-essential ca-certificates curl git gpg-agent openjdk-8-jdk software-properties-common wget zipalign git-secret
+    - git secret reveal
     - chmod u+x $CI_PROJECT_DIR/gradlew
-    - export ANDROID_SDK_ROOT=~/.buildozer/android/platform/android-sdk-23
-    - export BUILD_VERSION=$($CI_PROJECT_DIR/gradlew -q printVersionName --console=plain | tail -1)
+    - export BUILD_VERSION=$($CI_PROJECT_DIR/gradlew -p $CI_PROJECT_DIR -q printVersionName --console=plain | tail -1)
   artifacts:
     paths:
       - bin/browser-*-release__arm.apk
@@ -19,12 +22,7 @@ build apk:
     expire_in: 1 week
   script:
     - export PATH=/usr/bin:$PATH
-    - echo "$PGP_PRIVATE_KEY" | gpg --batch --import
-    - echo "deb https://dl.bintray.com/sobolevn/deb git-secret main" | tee -a /etc/apt/sources.list
-    - wget -O - https://api.bintray.com/users/sobolevn/keys/gpg/public.key | apt-key add -
-    - apt-get -y update && apt-get -y install git-secret
-    - git secret reveal
-    - yarn
+    - export ANDROID_SDK_ROOT=~/.buildozer/android/platform/android-sdk-23
     - chmod u+x ./release.sh
     - ./release.sh
     - cp bin/browser-$BUILD_VERSION-release__arm.apk /dev/null
@@ -36,10 +34,15 @@ deploy build.lbry.io:
   dependencies:
     - build apk
   before_script:
-    - apt-get -y update && apt-get -y install openjdk-8-jdk
+    - apt-get -y update && apt-get -y install apt-transport-https
+    - echo "$PGP_PRIVATE_KEY" | gpg --batch --import
+    - echo 'deb https://gitsecret.jfrog.io/artifactory/git-secret-deb git-secret main' >> /etc/apt/sources.list
+    - wget -qO - 'https://gitsecret.jfrog.io/artifactory/api/gpg/key/public' | apt-key add -
+    - apt-get -y update && apt-get -y install openjdk-8-jdk git git-secret
     - pip install awscli
     - chmod u+x $CI_PROJECT_DIR/gradlew
-    - export BUILD_VERSION=$($CI_PROJECT_DIR/gradlew -q printVersionName --console=plain | tail -1)
+    - git secret reveal
+    - export BUILD_VERSION=$($CI_PROJECT_DIR/gradlew -p $CI_PROJECT_DIR -q printVersionName --console=plain | tail -1)
     - export BUILD_APK_FILENAME__32=browser-$BUILD_VERSION-release__arm.apk
     - export BUILD_APK_FILENAME__64=browser-$BUILD_VERSION-release__arm64.apk
   script:
@@ -55,10 +58,15 @@ release apk:
   dependencies:
     - build apk
   before_script:
-    - apt-get -y update && apt-get -y install openjdk-8-jdk
+    - apt-get -y update && apt-get -y install apt-transport-https
+    - echo "$PGP_PRIVATE_KEY" | gpg --batch --import
+    - echo 'deb https://gitsecret.jfrog.io/artifactory/git-secret-deb git-secret main' >> /etc/apt/sources.list
+    - wget -qO - 'https://gitsecret.jfrog.io/artifactory/api/gpg/key/public' | apt-key add -
+    - apt-get -y update && apt-get -y install openjdk-8-jdk git git-secret
     - pip install awscli githubrelease
+    - git secret reveal
     - chmod u+x $CI_PROJECT_DIR/gradlew
-    - export BUILD_VERSION=$($CI_PROJECT_DIR/gradlew -q printVersionName --console=plain | tail -1)
+    - export BUILD_VERSION=$($CI_PROJECT_DIR/gradlew -p $CI_PROJECT_DIR -q printVersionName --console=plain | tail -1)
     - export BUILD_APK_FILENAME__32=browser-$BUILD_VERSION-release__arm.apk
     - export BUILD_APK_FILENAME__64=browser-$BUILD_VERSION-release__arm64.apk
   script:

.gitsecret/paths/mapping.cfg

@@ -1,2 +1,3 @@
 lbry-android.keystore:0d958c531870694624cc877ea98ca1c583485f8ebbb3a5acca58b1930c190d65
 app/google-services.json:896a0bee8294a36d061f10fa926129d8a780528b34d0a2f03113400c4246d67c
+app/twitter.properties:01212d70712f2041efb5c814bf30ecbf6f72e1ca5179c7647c4f8cbd995dd033

README.md

@@ -2,7 +2,7 @@
 [![pipeline status](https://ci.lbry.tech/lbry/lbry-android/badges/master/pipeline.svg)](https://ci.lbry.tech/lbry/lbry-android/commits/master)
 [![GitHub license](https://img.shields.io/github/license/lbryio/lbry-android)](https://github.com/lbryio/lbry-android/blob/master/LICENSE)
 
-An Android browser and wallet for the [LBRY](https://lbry.com) network. This app bundles [LBRY SDK](https://github.com/lbryio/lbry) as a background service with a UI layer built with React Native.
+An Android browser and wallet for the [LBRY](https://lbry.com) network.
 
 
 <img src="https://spee.ch/@lbry:3f/android-08-homepage.gif" alt="LBRY Android GIF" width="384px" />
@@ -18,7 +18,19 @@ The minimum supported Android version is 5.0 Lollipop. There are two ways to ins
 The app can be launched by opening **LBRY** from the device's app drawer or via the shortcut on the home screen if that was created upon installation.
 
 ## Running from Source
-Please refer to https://github.com/lbryio/lbry-react-native/blob/master/README.md
+Clone the repository and open the project in Android Studio. Android Studio will automatically run the initial build process.
+
+Create file 'twitter.properties' in app/ folder with the following content:
+
+```
+twitterConsumerKey=XXXXXX
+
+twitterConsumerSecret=XXXXXX
+```
+
+Copy the file 'google-services.sample.json' to 'google-services.json' in the app/ folder.
+
+Click the Sync button and when process finishes, the Run button to launch the app on your simulator or connected debugging device after the build process is complete.
 
 ## Contributing
 Contributions to this project are welcome, encouraged, and compensated. For more details, see https://lbry.io/faq/contributing
@@ -27,7 +39,7 @@ Contributions to this project are welcome, encouraged, and compensated. For more
 This project is MIT licensed. For the full license, see [LICENSE](LICENSE).
 
 ## Security
-We take security seriously. Please contact security@lbry.com regarding any security issues. Our PGP key is [here](https://keybase.io/lbry/key.asc) if you need it.
+We take security seriously. Please contact security@lbry.com regarding any security issues. Our PGP key is [here](https://lbry.com/faq/pgp-key) if you need it.
 
 ## Contact
 The primary contact for this project is [@akinwale](https://github.com/akinwale) (akinwale@lbry.com)

app/build.gradle

@@ -4,7 +4,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 29
-    buildToolsVersion "29.0.1"
+    buildToolsVersion "29.0.2"
     flavorDimensions "default"
 
     compileOptions {
@@ -16,12 +16,16 @@ android {
         applicationId "io.lbry.browser"
         minSdkVersion 21
         targetSdkVersion 29
-        versionCode 1511
-        versionName "0.15.11"
-
+        versionCode 1701
+        versionName "0.17.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
+    packagingOptions {
+        exclude 'META-INF/DEPENDENCIES'
+        exclude 'lib/x86_64/darwin/libscrypt.dylib'
+    }
+
     productFlavors {
         __32bit {
             versionCode android.defaultConfig.versionCode * 10 + 1
@@ -38,7 +42,17 @@ android {
     }
 
     buildTypes {
+        debug {
+            Properties twitterProps = new Properties()
+            twitterProps.load(project.file('twitter.properties').newDataInputStream())
+            resValue "string", "TWITTER_CONSUMER_KEY",  "\"${twitterProps.getProperty("twitterConsumerKey")}\""
+            resValue "string", "TWITTER_CONSUMER_SECRET", "\"${twitterProps.getProperty("twitterConsumerSecret")}\""
+        }
         release {
+            Properties twitterProps = new Properties()
+            twitterProps.load(project.file('twitter.properties').newDataInputStream())
+            resValue "string", "TWITTER_CONSUMER_KEY",  "\"${twitterProps.getProperty("twitterConsumerKey")}\""
+            resValue "string", "TWITTER_CONSUMER_SECRET", "\"${twitterProps.getProperty("twitterConsumerSecret")}\""
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
@@ -51,37 +65,49 @@ task printVersionName {
     }
 }
 
+configurations {
+    all {
+        exclude module: 'httpclient'
+        exclude module: 'commons-logging'
+    }
+}
+
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
     implementation 'androidx.appcompat:appcompat:1.3.0-alpha01'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
-    implementation 'com.google.android.material:material:1.2.0-alpha06'
+    implementation 'com.google.android.material:material:1.3.0-alpha01'
     implementation "androidx.cardview:cardview:1.0.0"
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-    implementation 'androidx.navigation:navigation-fragment:2.2.2'
-    implementation 'androidx.navigation:navigation-ui:2.2.2'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'androidx.navigation:navigation-fragment:2.3.1'
+    implementation 'androidx.navigation:navigation-ui:2.3.1'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
     implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.0.0'
     implementation 'androidx.preference:preference:1.1.1'
-    implementation 'androidx.webkit:webkit:1.3.0-alpha03'
+    implementation 'androidx.webkit:webkit:1.4.0-rc01'
     implementation 'androidx.camera:camera-core:1.0.0-beta03'
     implementation 'androidx.camera:camera-camera2:1.0.0-beta03'
     implementation 'androidx.camera:camera-lifecycle:1.0.0-beta03'
     implementation 'androidx.camera:camera-view:1.0.0-alpha10'
+    implementation 'androidx.browser:browser:1.2.0'
+    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
 
     implementation 'com.github.bumptech.glide:glide:4.11.0'
     implementation 'com.squareup.okhttp3:okhttp:4.4.1'
-    implementation 'com.google.firebase:firebase-analytics:17.4.2'
-    implementation 'com.google.android.gms:play-services-base:17.2.1'
-    implementation 'com.google.firebase:firebase-messaging:20.2.0'
+    implementation 'com.google.firebase:firebase-analytics:18.0.0'
+    implementation 'com.google.android.gms:play-services-base:17.5.0'
+    implementation 'com.google.firebase:firebase-messaging:21.0.0'
+    implementation 'com.google.oauth-client:google-oauth-client:1.30.4'
+
+    implementation 'com.android.billingclient:billing:3.0.2'
 
     implementation 'com.google.code.gson:gson:2.8.6'
-    implementation 'com.google.android.exoplayer:exoplayer-core:2.11.4'
-    implementation 'com.google.android.exoplayer:exoplayer-dash:2.11.4'
-    implementation 'com.google.android.exoplayer:exoplayer-ui:2.11.4'
-    implementation 'com.google.android.exoplayer:extension-cast:2.11.4'
-    implementation 'com.google.android.exoplayer:extension-mediasession:2.11.4'
+    implementation 'com.google.android.exoplayer:exoplayer-core:2.12.2'
+    implementation 'com.google.android.exoplayer:exoplayer-dash:2.12.2'
+    implementation 'com.google.android.exoplayer:exoplayer-ui:2.12.2'
+    implementation 'com.google.android.exoplayer:extension-cast:2.12.2'
+    implementation 'com.google.android.exoplayer:extension-mediasession:2.12.2'
 
     implementation 'com.google.android:flexbox:2.0.1'
 
@@ -92,16 +118,26 @@ dependencies {
 
     implementation 'com.arthenica:mobile-ffmpeg-full-gpl:4.3.1.LTS'
 
+    implementation 'commons-codec:commons-codec:1.15'
+    implementation 'org.bitcoinj:bitcoinj-tools:0.14.7'
+    implementation 'org.java-websocket:Java-WebSocket:1.5.1'
+
+    implementation ('com.journeyapps:zxing-android-embedded:4.1.0') { transitive = false }
+    implementation 'com.google.zxing:core:3.3.0'
+
     compileOnly 'org.projectlombok:lombok:1.18.10'
     annotationProcessor 'org.projectlombok:lombok:1.18.10'
     annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'
 
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test:rules:1.3.0'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
-    __32bitImplementation files('libs/lbrysdk-0.74.0-release__arm.aar')
-    __64bitImplementation files('libs/lbrysdk-0.74.0-release__arm64.aar')
+    __32bitImplementation 'io.lbry:lbrysdk32:0.102.0'
+    __64bitImplementation 'io.lbry:lbrysdk64:0.102.0'
+    //__64bitImplementation(name: 'lbrysdk', ext: 'aar')
 }
 
 apply plugin: 'com.google.gms.google-services'

app/src/androidTest/java/io/lbry/browser/utils/HelperTest.java

@@ -0,0 +1,12 @@
+package io.lbry.browser.utils;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+@SmallTest
+public class HelperTest {
+
+}

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="io.lbry.browser"
     android:installLocation="auto">
 
@@ -10,6 +11,10 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="com.android.vending.BILLING" />
+    <uses-permission android:name="android.permission.WAKE_LOCK"/>
+
+    <uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
 
     <application
         android:allowBackup="true"
@@ -50,12 +55,38 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
 
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT"/>
+                <data android:mimeType="video/*" />
+                <data android:mimeType="image/*" />
+                <data android:mimeType="text/*" />
+            </intent-filter>
             <intent-filter>
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="lbry" />
             </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <data android:scheme="https" android:host="open.lbry.com"/>
+                <data android:scheme="https" android:host="lbry.tv" android:pathPattern="/..*/*" />
+                <data android:scheme="https" android:host="lbry.tv" android:pathPattern="/.*:.*" />
+                <data android:scheme="https" android:host="lbry.tv" android:pathPattern="/.*#.*" />
+                <data android:scheme="https" android:host="lbry.lat" android:pathPattern="/..*/*" />
+                <data android:scheme="https" android:host="lbry.lat" android:pathPattern="/.*:.*" />
+                <data android:scheme="https" android:host="lbry.lat" android:pathPattern="/.*#.*" />
+                <data android:scheme="https" android:host="lbry.fr" android:pathPattern="/..*/*" />
+                <data android:scheme="https" android:host="lbry.fr" android:pathPattern="/.*:.*" />
+                <data android:scheme="https" android:host="lbry.fr" android:pathPattern="/.*#.*" />
+                <data android:scheme="https" android:host="lbry.in" android:pathPattern="/..*/*" />
+                <data android:scheme="https" android:host="lbry.in" android:pathPattern="/.*:.*" />
+                <data android:scheme="https" android:host="lbry.in" android:pathPattern="/.*#.*" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
         </activity>
 
         <activity
@@ -70,6 +101,11 @@
             android:theme="@style/AppTheme.NoActionBarTranslucent"
             android:windowSoftInputMode="adjustResize" />
 
+        <activity
+            android:name="com.journeyapps.barcodescanner.CaptureActivity"
+            android:screenOrientation="fullSensor"
+            tools:replace="screenOrientation" />
+
         <service
             android:name="io.lbry.browser.LbrynetMessagingService"
             android:exported="false">

app/src/main/java/io/lbry/browser/FirstRunActivity.java

@@ -15,11 +15,22 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.text.HtmlCompat;
 import androidx.preference.PreferenceManager;
 
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import io.lbry.browser.exceptions.AuthTokenInvalidatedException;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 import io.lbry.browser.utils.LbryAnalytics;
 import io.lbry.browser.utils.Lbryio;
 import io.lbry.lbrysdk.LbrynetService;
+import io.lbry.lbrysdk.ServiceHelper;
+import io.lbry.lbrysdk.Utils;
 
 public class FirstRunActivity extends AppCompatActivity {
 
@@ -43,12 +54,7 @@ public class FirstRunActivity extends AppCompatActivity {
         });
 
         registerAuthReceiver();
-        if (!Lbry.SDK_READY) {
-            findViewById(R.id.welcome_wait_container).setVisibility(View.VISIBLE);
-        } else {
-            authenticate();
-        }
-
+        findViewById(R.id.welcome_wait_container).setVisibility(View.VISIBLE);
         IntentFilter filter = new IntentFilter();
         filter.addAction(MainActivity.ACTION_SDK_READY);
         filter.addAction(LbrynetService.ACTION_STOP_SERVICE);
@@ -61,10 +67,38 @@ public class FirstRunActivity extends AppCompatActivity {
                     authenticate();
                 } else if (LbrynetService.ACTION_STOP_SERVICE.equals(action)) {
                     finish();
+                    if (MainActivity.instance != null) {
+                        MainActivity.instance.finish();
+                    }
                 }
             }
         };
         registerReceiver(sdkReceiver, filter);
+
+        CheckInstallIdTask task = new CheckInstallIdTask(this, new CheckInstallIdTask.InstallIdHandler() {
+            @Override
+            public void onInstallIdChecked(boolean result) {
+                // start the sdk from FirstRun
+                boolean serviceRunning = MainActivity.isServiceRunning(MainActivity.instance, LbrynetService.class);
+                if (!serviceRunning) {
+                    Lbry.SDK_READY = false;
+                    ServiceHelper.start(MainActivity.instance, "", LbrynetService.class, "lbrynetservice");
+                }
+
+                if (result) {
+                    // install_id generated and validated, authenticate now
+                    authenticate();
+                    return;
+                }
+
+                // we weren't able to generate the install_id ourselves, depend on the sdk for that
+                if (Lbry.SDK_READY) {
+                    authenticate();
+                    return;
+                }
+            }
+        });
+        task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
 
     public void onResume() {
@@ -133,13 +167,85 @@ public class FirstRunActivity extends AppCompatActivity {
         super.onDestroy();
     }
 
+    private void generateIdAndAuthenticate() {
+
+    }
+
+    private static class CheckInstallIdTask extends AsyncTask<Void, Void, Boolean> {
+        private final Context context;
+        private final InstallIdHandler handler;
+        public CheckInstallIdTask(Context context, InstallIdHandler handler) {
+            this.context = context;
+            this.handler = handler;
+        }
+        protected Boolean doInBackground(Void... params) {
+            // Load the installation id from the file system
+            String lbrynetDir = String.format("%s/%s", Utils.getAppInternalStorageDir(context), "lbrynet");
+            File dir = new File(lbrynetDir);
+            boolean dirExists = dir.isDirectory();
+            if (!dirExists) {
+                dirExists = dir.mkdirs();
+            }
+
+            if (!dirExists) {
+                return false;
+            }
+
+            String installIdPath = String.format("%s/install_id", lbrynetDir);
+            File file = new File(installIdPath);
+            String installId  = null;
+            if (!file.exists()) {
+                // generate the install_id
+                installId = Lbry.generateId();
+                BufferedWriter writer = null;
+                try {
+                    writer = new BufferedWriter(new FileWriter(file));
+                    writer.write(installId);
+                } catch (IOException ex) {
+                    return false;
+                } finally {
+                    Helper.closeCloseable(writer);
+                }
+            } else {
+                // read the installation id from the file
+                BufferedReader reader = null;
+                try {
+                    reader = new BufferedReader(new InputStreamReader(new FileInputStream(installIdPath)));
+                    installId = reader.readLine();
+                } catch (IOException ex) {
+                    return false;
+                } finally {
+                    Helper.closeCloseable(reader);
+                }
+            }
+
+            if (!Helper.isNullOrEmpty(installId)) {
+                Lbry.INSTALLATION_ID = installId;
+            }
+            return !Helper.isNullOrEmpty(installId);
+        }
+        protected void onPostExecute(Boolean result) {
+            if (handler != null) {
+                handler.onInstallIdChecked(result);
+            }
+        }
+
+        public interface InstallIdHandler {
+            void onInstallIdChecked(boolean result);
+        }
+    }
+
     private static class AuthenticateTask extends AsyncTask<Void, Void, Void> {
-        private Context context;
+        private final Context context;
         public AuthenticateTask(Context context) {
             this.context = context;
         }
         protected Void doInBackground(Void... params) {
-            Lbryio.authenticate(context);
+            try {
+                Lbryio.authenticate(context);
+            } catch (AuthTokenInvalidatedException ex) {
+                // pass
+            }
             return null;
         }
     }

app/src/main/java/io/lbry/browser/LbrynetMessagingService.java

@@ -6,6 +6,7 @@ import android.app.PendingIntent;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.database.sqlite.SQLiteDatabase;
 import android.media.RingtoneManager;
 import android.net.Uri;
 import android.os.Build;
@@ -20,19 +21,22 @@ import com.google.firebase.analytics.FirebaseAnalytics;
 import com.google.firebase.messaging.FirebaseMessagingService;
 import com.google.firebase.messaging.RemoteMessage;
 
+import io.lbry.browser.data.DatabaseHelper;
+import io.lbry.browser.model.lbryinc.LbryNotification;
+import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.LbryAnalytics;
-import io.lbry.lbrysdk.LbrynetService;
 
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
 import java.util.ArrayList;
+import java.util.Date;
 import java.util.List;
 import java.util.Map;
 
 public class LbrynetMessagingService extends FirebaseMessagingService {
+    public static final String ACTION_NOTIFICATION_RECEIVED = "io.lbry.browser.Broadcast.NotificationReceived";
 
     private static final String TAG = "LbrynetMessagingService";
     private static final String NOTIFICATION_CHANNEL_ID = "io.lbry.browser.LBRY_ENGAGEMENT_CHANNEL";
+    private static final String TYPE_COMMENT = "comment";
     private static final String TYPE_SUBSCRIPTION = "subscription";
     private static final String TYPE_REWARD = "reward";
     private static final String TYPE_INTERESTS = "interests";
@@ -52,12 +56,9 @@ public class LbrynetMessagingService extends FirebaseMessagingService {
             String title = payload.get("title");
             String body = payload.get("body");
             String name = payload.get("name"); // notification name
-            String contentTitle = payload.get("content_title");
-            String channelUrl = payload.get("channel_url");
-            //String publishTime = payload.get("publish_time");
-            String publishTime = null;
+            String hash = payload.get("hash"); // comment hash
 
-            if (type != null && getEnabledTypes().indexOf(type) > -1 && body != null && body.trim().length() > 0) {
+            if (type != null && getEnabledTypes().contains(type) && body != null && body.trim().length() > 0) {
                 // only log the receive event for valid notifications received
                 if (firebaseAnalytics != null) {
                     Bundle bundle = new Bundle();
@@ -65,14 +66,41 @@ public class LbrynetMessagingService extends FirebaseMessagingService {
                     firebaseAnalytics.logEvent(LbryAnalytics.EVENT_LBRY_NOTIFICATION_RECEIVE, bundle);
                 }
 
-                sendNotification(title, body, type, url, name, contentTitle, channelUrl, publishTime);
+                if (!Helper.isNullOrEmpty(hash)) {
+                    url = String.format("%s?comment_hash=%s", url, hash);
+                }
+
+                sendNotification(title, body, type, url, name);
+            }
+
+            // persist the notification data
+            try {
+                DatabaseHelper helper = DatabaseHelper.getInstance();
+                SQLiteDatabase db = helper.getWritableDatabase();
+                LbryNotification lnotification = new LbryNotification();
+                lnotification.setTitle(title);
+                lnotification.setDescription(body);
+                lnotification.setTargetUrl(url);
+                lnotification.setTimestamp(new Date());
+                DatabaseHelper.createOrUpdateNotification(lnotification, db);
+
+                // send a broadcast
+                Intent intent = new Intent(ACTION_NOTIFICATION_RECEIVED);
+                intent.putExtra("title", title);
+                intent.putExtra("body", body);
+                intent.putExtra("url", url);
+                intent.putExtra("timestamp", lnotification.getTimestamp().getTime());
+                sendBroadcast(intent);
+            } catch (Exception ex) {
+                // don't fail if any error occurs while saving a notification
+                Log.e(TAG, "could not save notification", ex);
             }
         }
     }
 
     @Override
     public void onNewToken(String token) {
-        Log.d(TAG, "Refreshed token: " + token);
+        //Log.d(TAG, "Refreshed token: " + token);
 
         // If you want to send messages to this application instance or
         // manage this apps subscriptions on the server side, send the
@@ -97,8 +125,7 @@ public class LbrynetMessagingService extends FirebaseMessagingService {
      *
      * @param messageBody FCM message body received.
      */
-    private void sendNotification(String title, String messageBody, String type, String url, String name,
-                                  String contentTitle, String channelUrl, String publishTime) {
+    private void sendNotification(String title, String messageBody, String type, String url, String name) {
         //Intent intent = new Intent(this, MainActivity.class);
         //intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
         if (url == null) {
@@ -143,6 +170,9 @@ public class LbrynetMessagingService extends FirebaseMessagingService {
         SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
         List<String> enabledTypes = new ArrayList<String>();
 
+        if (sp.getBoolean(MainActivity.PREFERENCE_KEY_NOTIFICATION_COMMENTS, true)) {
+            enabledTypes.add(TYPE_COMMENT);
+        }
         if (sp.getBoolean(MainActivity.PREFERENCE_KEY_NOTIFICATION_SUBSCRIPTIONS, true)) {
             enabledTypes.add(TYPE_SUBSCRIPTION);
         }

app/src/main/java/io/lbry/browser/VerificationActivity.java

@@ -7,19 +7,36 @@ import android.content.IntentFilter;
 import android.graphics.Color;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.View;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.fragment.app.FragmentActivity;
 import androidx.viewpager2.widget.ViewPager2;
 
+import com.android.billingclient.api.BillingClient;
+import com.android.billingclient.api.BillingClientStateListener;
+import com.android.billingclient.api.BillingFlowParams;
+import com.android.billingclient.api.BillingResult;
+import com.android.billingclient.api.Purchase;
+import com.android.billingclient.api.PurchasesUpdatedListener;
+import com.android.billingclient.api.SkuDetails;
+import com.android.billingclient.api.SkuDetailsParams;
+import com.android.billingclient.api.SkuDetailsResponseListener;
 import com.google.android.material.snackbar.Snackbar;
 
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 import io.lbry.browser.adapter.VerificationPagerAdapter;
+import io.lbry.browser.listener.SdkStatusListener;
 import io.lbry.browser.listener.SignInListener;
 import io.lbry.browser.listener.WalletSyncListener;
+import io.lbry.browser.model.lbryinc.RewardVerified;
 import io.lbry.browser.model.lbryinc.User;
+import io.lbry.browser.tasks.RewardVerifiedHandler;
 import io.lbry.browser.tasks.lbryinc.FetchCurrentUserTask;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.LbryAnalytics;
@@ -32,15 +49,66 @@ public class VerificationActivity extends FragmentActivity implements SignInList
     public static final int VERIFICATION_FLOW_REWARDS = 2;
     public static final int VERIFICATION_FLOW_WALLET = 3;
 
+    private List<SdkStatusListener> sdkStatusListeners;
+    private BillingClient billingClient;
     private BroadcastReceiver sdkReceiver;
     private String email;
     private boolean signedIn;
     private int flow;
 
+    private final PurchasesUpdatedListener purchasesUpdatedListener = new PurchasesUpdatedListener() {
+        @Override
+        public void onPurchasesUpdated(@NonNull BillingResult billingResult, @Nullable List<Purchase> purchases) {
+            int responseCode = billingResult.getResponseCode();
+            if (responseCode == BillingClient.BillingResponseCode.OK && purchases != null)
+            {
+                for (Purchase purchase : purchases) {
+                    if (MainActivity.SKU_SKIP.equalsIgnoreCase(purchase.getSku())) {
+                        showLoading();
+                        MainActivity.handleBillingPurchase(
+                                purchase,
+                                billingClient,
+                                VerificationActivity.this, null, new RewardVerifiedHandler() {
+                                    @Override
+                                    public void onSuccess(RewardVerified rewardVerified) {
+                                        if (Lbryio.currentUser != null) {
+                                            Lbryio.currentUser.setRewardApproved(rewardVerified.isRewardApproved());
+                                        }
+
+                                        if (!rewardVerified.isRewardApproved()) {
+                                            // show pending purchase message (possible slow card tx)
+                                            Snackbar.make(findViewById(R.id.verification_pager), R.string.purchase_request_pending, Snackbar.LENGTH_LONG).show();
+                                        } else  {
+                                            Snackbar.make(findViewById(R.id.verification_pager), R.string.reward_verification_successful, Snackbar.LENGTH_LONG).show();
+                                        }
+
+                                        setResult(RESULT_OK);
+                                        new Handler().postDelayed(new Runnable() {
+                                            @Override
+                                            public void run() {
+                                                finish();
+                                            }
+                                        }, 3000);
+                                    }
+
+                                    @Override
+                                    public void onError(Exception error) {
+                                        showFetchUserError(getString(R.string.purchase_request_failed_error));
+                                        hideLoading();
+                                    }
+                                });
+                    }
+                }
+            }
+        }
+    };
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        sdkStatusListeners = new ArrayList<>();
+
         signedIn = Lbryio.isSignedIn();
         Intent intent = getIntent();
         if (intent != null) {
@@ -62,17 +130,30 @@ public class VerificationActivity extends FragmentActivity implements SignInList
 
         IntentFilter filter = new IntentFilter();
         filter.addAction(LbrynetService.ACTION_STOP_SERVICE);
+        filter.addAction(MainActivity.ACTION_SDK_READY);
         sdkReceiver = new BroadcastReceiver() {
             @Override
             public void onReceive(Context context, Intent intent) {
                 String action = intent.getAction();
-                if (LbrynetService.ACTION_STOP_SERVICE.equals(action)) {
+                if (MainActivity.ACTION_SDK_READY.equals(action)) {
+                    for (SdkStatusListener listener : sdkStatusListeners) {
+                        if (listener != null) {
+                            listener.onSdkReady();
+                        }
+                    }
+                } else if (LbrynetService.ACTION_STOP_SERVICE.equals(action)) {
                     finish();
                 }
             }
         };
         registerReceiver(sdkReceiver, filter);
 
+        billingClient = BillingClient.newBuilder(this)
+                .setListener(purchasesUpdatedListener)
+                .enablePendingPurchases()
+                .build();
+        establishBillingClientConnection();
+
         setContentView(R.layout.activity_verification);
         ViewPager2 viewPager = findViewById(R.id.verification_pager);
         viewPager.setUserInputEnabled(false);
@@ -89,6 +170,24 @@ public class VerificationActivity extends FragmentActivity implements SignInList
         });
     }
 
+    private void establishBillingClientConnection() {
+        if (billingClient != null) {
+            billingClient.startConnection(new BillingClientStateListener() {
+                @Override
+                public void onBillingSetupFinished(@NonNull BillingResult billingResult) {
+                    if (billingResult.getResponseCode() == BillingClient.BillingResponseCode.OK) {
+                        // no need to do anything here. purchases are always checked server-side
+                    }
+                }
+
+                @Override
+                public void onBillingServiceDisconnected() {
+                    establishBillingClientConnection();
+                }
+            });
+        }
+    }
+
     public void onResume() {
         super.onResume();
         LbryAnalytics.setCurrentScreen(this, "Verification", "Verification");
@@ -104,14 +203,17 @@ public class VerificationActivity extends FragmentActivity implements SignInList
                 flowHandled = true;
             } else if (flow == VERIFICATION_FLOW_REWARDS) {
                 User user = Lbryio.currentUser;
+                // disable phone verification for now
                 if (!user.isIdentityVerified()) {
                     // phone number verification required
                     viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_PHONE, false);
                     flowHandled = true;
-                } else if (!user.isRewardApproved()) {
-                    // manual verification required
-                    viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL, false);
-                    flowHandled = true;
+                } else {
+                    if (!user.isRewardApproved()) {
+                        // manual verification required
+                        viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL, false);
+                        flowHandled = true;
+                    }
                 }
             }
 
@@ -124,6 +226,11 @@ public class VerificationActivity extends FragmentActivity implements SignInList
         }
     }
 
+    public void showPhoneVerification() {
+        ViewPager2 viewPager = findViewById(R.id.verification_pager);
+        viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_PHONE, false);
+    }
+
     public void showLoading() {
         findViewById(R.id.verification_loading_progress).setVisibility(View.VISIBLE);
         findViewById(R.id.verification_pager).setVisibility(View.INVISIBLE);
@@ -137,8 +244,12 @@ public class VerificationActivity extends FragmentActivity implements SignInList
 
     @Override
     public void onBackPressed() {
-        // ignore back press
-        return;
+        ViewPager2 viewPager = findViewById(R.id.verification_pager);
+
+        if (viewPager.getCurrentItem() != VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL)
+            viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL);
+        else
+            super.onBackPressed();
     }
 
     public void onEmailAdded(String email) {
@@ -167,7 +278,7 @@ public class VerificationActivity extends FragmentActivity implements SignInList
 
             // only sign in required, don't do anything else
             showLoading();
-            FetchCurrentUserTask task = new FetchCurrentUserTask(new FetchCurrentUserTask.FetchUserTaskHandler() {
+            FetchCurrentUserTask task = new FetchCurrentUserTask(this, new FetchCurrentUserTask.FetchUserTaskHandler() {
                 @Override
                 public void onSuccess(User user) {
                     Lbryio.currentUser = user;
@@ -185,7 +296,7 @@ public class VerificationActivity extends FragmentActivity implements SignInList
         } else {
             // change pager view depending on flow
             showLoading();
-            FetchCurrentUserTask task = new FetchCurrentUserTask(new FetchCurrentUserTask.FetchUserTaskHandler() {
+            FetchCurrentUserTask task = new FetchCurrentUserTask(this, new FetchCurrentUserTask.FetchUserTaskHandler() {
                 @Override
                 public void onSuccess(User user) {
                     hideLoading();
@@ -198,13 +309,15 @@ public class VerificationActivity extends FragmentActivity implements SignInList
                         if (!user.isIdentityVerified()) {
                             // phone number verification required
                             viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_PHONE, false);
-                        } else if (!user.isRewardApproved()) {
-                            // manual verification required
-                            viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL, false);
                         } else {
-                            // fully verified
-                            setResult(RESULT_OK);
-                            finish();
+                            if (!user.isRewardApproved()) {
+                                // manual verification required
+                                viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL, false);
+                            } else {
+                                // fully verified
+                                setResult(RESULT_OK);
+                                finish();
+                            }
                         }
                     } else if (flow == VERIFICATION_FLOW_WALLET) {
                         // for wallet sync, if password unlock is required, show password entry page
@@ -229,7 +342,7 @@ public class VerificationActivity extends FragmentActivity implements SignInList
     @Override
     public void onPhoneVerified() {
         showLoading();
-        FetchCurrentUserTask task = new FetchCurrentUserTask(new FetchCurrentUserTask.FetchUserTaskHandler() {
+        FetchCurrentUserTask task = new FetchCurrentUserTask(this, new FetchCurrentUserTask.FetchUserTaskHandler() {
             @Override
             public void onSuccess(User user) {
                 Lbryio.currentUser = user;
@@ -242,6 +355,7 @@ public class VerificationActivity extends FragmentActivity implements SignInList
                     return;
                 }
 
+                findViewById(R.id.verification_close_button).setVisibility(View.VISIBLE);
                 // show manual verification page if the user is still not reward approved
                 ViewPager2 viewPager = findViewById(R.id.verification_pager);
                 viewPager.setCurrentItem(VerificationPagerAdapter.PAGE_VERIFICATION_MANUAL, false);
@@ -289,9 +403,67 @@ public class VerificationActivity extends FragmentActivity implements SignInList
         findViewById(R.id.verification_close_button).setVisibility(View.VISIBLE);
     }
 
+    @Override
+    public void onSkipQueueAction() {
+        if (billingClient != null) {
+            List<String> skuList = new ArrayList<>();
+            skuList.add(MainActivity.SKU_SKIP);
+
+            SkuDetailsParams detailsParams = SkuDetailsParams.newBuilder().
+                    setType(BillingClient.SkuType.INAPP).
+                    setSkusList(skuList).build();
+            billingClient.querySkuDetailsAsync(detailsParams, new SkuDetailsResponseListener() {
+                @Override
+                public void onSkuDetailsResponse(@NonNull BillingResult billingResult, @Nullable List<SkuDetails> list) {
+                    if (list != null && list.size() > 0) {
+                        // we only queried one product, so it should be the first item in the list
+                        SkuDetails skuDetails = list.get(0);
+
+                        // launch the billing flow for skip queue
+                        BillingFlowParams billingFlowParams = BillingFlowParams.newBuilder().
+                                setSkuDetails(skuDetails).build();
+                        billingClient.launchBillingFlow(VerificationActivity.this, billingFlowParams);
+                    }
+                }
+            });
+        }
+    }
+
+    @Override
+    public void onTwitterVerified() {
+        Snackbar.make(findViewById(R.id.verification_pager), R.string.reward_verification_successful, Snackbar.LENGTH_LONG).show();
+
+        setResult(RESULT_OK);
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                finish();
+            }
+        }, 3000);
+    }
+
+    @Override
+    public void onManualProgress(boolean progress) {
+        if (progress) {
+            findViewById(R.id.verification_close_button).setVisibility(View.GONE);
+        } else {
+            findViewById(R.id.verification_close_button).setVisibility(View.VISIBLE);
+        }
+    }
+
     @Override
     public void onDestroy() {
         Helper.unregisterReceiver(sdkReceiver, this);
         super.onDestroy();
     }
+
+    public void addSdkStatusListener(SdkStatusListener listener) {
+        if (!sdkStatusListeners.contains(listener)) {
+            sdkStatusListeners.add(listener);
+        }
+    }
+
+    public void removeSdkStatusListener(SdkStatusListener listener) {
+        sdkStatusListeners.remove(listener);
+    }
 }

app/src/main/java/io/lbry/browser/adapter/ChannelFilterListAdapter.java

@@ -23,7 +23,7 @@ import lombok.Getter;
 import lombok.Setter;
 
 public class ChannelFilterListAdapter extends RecyclerView.Adapter<ChannelFilterListAdapter.ViewHolder> {
-    private Context context;
+    private final Context context;
     private List<Claim> items;
     @Getter
     @Setter
@@ -42,12 +42,12 @@ public class ChannelFilterListAdapter extends RecyclerView.Adapter<ChannelFilter
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View mediaContainer;
-        protected View alphaContainer;
-        protected View allView;
-        protected ImageView thumbnailView;
-        protected TextView alphaView;
-        protected TextView titleView;
+        protected final View mediaContainer;
+        protected final View alphaContainer;
+        protected final View allView;
+        protected final ImageView thumbnailView;
+        protected final TextView alphaView;
+        protected final TextView titleView;
         public ViewHolder(View v) {
             super(v);
             mediaContainer = v.findViewById(R.id.channel_filter_media_container);
@@ -95,13 +95,13 @@ public class ChannelFilterListAdapter extends RecyclerView.Adapter<ChannelFilter
         vh.allView.setVisibility(claim.isPlaceholder() ? View.VISIBLE : View.GONE);
 
         vh.titleView.setText(Helper.isNullOrEmpty(claim.getTitle()) ? claim.getName() : claim.getTitle());
-        String thumbnailUrl = claim.getThumbnailUrl();
+        String thumbnailUrl = claim.getThumbnailUrl(vh.thumbnailView.getLayoutParams().width, vh.thumbnailView.getLayoutParams().height, 85);
         if (!Helper.isNullOrEmpty(thumbnailUrl) && context != null) {
             Glide.with(context.getApplicationContext()).load(thumbnailUrl).apply(RequestOptions.circleCropTransform()).into(vh.thumbnailView);
         }
         vh.alphaContainer.setVisibility(claim.isPlaceholder() || Helper.isNullOrEmpty(thumbnailUrl) ? View.VISIBLE : View.GONE);
         vh.thumbnailView.setVisibility(claim.isPlaceholder() || Helper.isNullOrEmpty(thumbnailUrl) ? View.GONE : View.VISIBLE);
-        vh.alphaView.setText(claim.isPlaceholder() ? null : claim.getName() != null ? claim.getName().substring(1, 2) : "");
+        vh.alphaView.setText(claim.isPlaceholder() ? null : claim.getName() != null ? claim.getName().substring(1, 2).toUpperCase() : "");
 
         int bgColor = Helper.generateRandomColorForValue(claim.getClaimId());
         Helper.setIconViewBackgroundColor(vh.alphaContainer, bgColor, claim.isPlaceholder(), context);

app/src/main/java/io/lbry/browser/adapter/ClaimListAdapter.java

@@ -21,7 +21,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import io.lbry.browser.MainActivity;
 import io.lbry.browser.R;
 import io.lbry.browser.listener.SelectionModeListener;
 import io.lbry.browser.model.Claim;
@@ -37,18 +36,18 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
     private static final int VIEW_TYPE_CHANNEL = 2;
     private static final int VIEW_TYPE_FEATURED = 3; // featured search result
 
-    private Map<String, Claim> quickClaimIdMap;
-    private Map<String, Claim> quickClaimUrlMap;
-    private Map<String, Boolean> notFoundClaimIdMap;
-    private Map<String, Boolean> notFoundClaimUrlMap;
+    private final Map<String, Claim> quickClaimIdMap;
+    private final Map<String, Claim> quickClaimUrlMap;
+    private final Map<String, Boolean> notFoundClaimIdMap;
+    private final Map<String, Boolean> notFoundClaimUrlMap;
 
     @Setter
     private boolean hideFee;
     @Setter
     private boolean canEnterSelectionMode;
-    private Context context;
+    private final Context context;
     private List<Claim> items;
-    private List<Claim> selectedItems;
+    private final List<Claim> selectedItems;
     @Setter
     private ClaimListItemListener listener;
     @Getter
@@ -60,7 +59,13 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
 
     public ClaimListAdapter(List<Claim> items, Context context) {
         this.context = context;
-        this.items = new ArrayList<>(items);
+        this.items = new ArrayList<>();
+        for (Claim item : items) {
+            if (item != null) {
+                this.items.add(item);
+            }
+        }
+
         this.selectedItems = new ArrayList<>();
         quickClaimIdMap = new HashMap<>();
         quickClaimUrlMap = new HashMap<>();
@@ -139,7 +144,7 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
 
     public void addItems(List<Claim> claims) {
         for (Claim claim : claims) {
-            if (!items.contains(claim)) {
+            if (claim != null && !items.contains(claim)) {
                 items.add(claim);
             }
         }
@@ -149,7 +154,12 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
         notifyDataSetChanged();
     }
     public void setItems(List<Claim> claims) {
-        items = new ArrayList<>(claims);
+        items = new ArrayList<>();
+        for (Claim claim : claims) {
+            if (claim != null) {
+                items.add(claim);
+            }
+        }
         notifyDataSetChanged();
     }
 
@@ -165,23 +175,27 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View feeContainer;
-        protected TextView feeView;
-        protected ImageView thumbnailView;
-        protected View noThumbnailView;
-        protected TextView alphaView;
-        protected TextView vanityUrlView;
-        protected TextView durationView;
-        protected TextView titleView;
-        protected TextView publisherView;
-        protected TextView publishTimeView;
-        protected TextView pendingTextView;
-        protected View repostInfoView;
-        protected TextView repostChannelView;
-        protected View selectedOverlayView;
-        protected TextView fileSizeView;
-        protected ProgressBar downloadProgressView;
-        protected TextView deviceView;
+        protected final View feeContainer;
+        protected final TextView feeView;
+        protected final ImageView thumbnailView;
+        protected final View noThumbnailView;
+        protected final TextView alphaView;
+        protected final TextView vanityUrlView;
+        protected final TextView durationView;
+        protected final TextView titleView;
+        protected final TextView publisherView;
+        protected final TextView publishTimeView;
+        protected final TextView pendingTextView;
+        protected final View repostInfoView;
+        protected final TextView repostChannelView;
+        protected final View selectedOverlayView;
+        protected final TextView fileSizeView;
+        protected final ProgressBar downloadProgressView;
+        protected final TextView deviceView;
+
+        protected final View loadingImagePlaceholder;
+        protected final View loadingTextPlaceholder1;
+        protected final View loadingTextPlaceholder2;
         public ViewHolder(View v) {
             super(v);
             feeContainer = v.findViewById(R.id.claim_fee_container);
@@ -201,6 +215,10 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
             fileSizeView = v.findViewById(R.id.claim_file_size);
             downloadProgressView = v.findViewById(R.id.claim_download_progress);
             deviceView = v.findViewById(R.id.claim_view_device);
+
+            loadingImagePlaceholder = v.findViewById(R.id.claim_thumbnail_placeholder);
+            loadingTextPlaceholder1 = v.findViewById(R.id.claim_text_loading_placeholder_1);
+            loadingTextPlaceholder2 = v.findViewById(R.id.claim_text_loading_placeholder_2);
         }
     }
 
@@ -304,18 +322,20 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
         int paddingBottom = position == getItemCount() - 1 ? 16 : 8;
         int paddingTopScaled = Helper.getScaledValue(paddingTop, scale);
         int paddingBottomScaled = Helper.getScaledValue(paddingBottom, scale);
-        vh.itemView.setPadding(vh.itemView.getPaddingLeft(), paddingTopScaled, vh.itemView.getPaddingRight(), paddingBottomScaled);
+        vh.itemView.setPadding(vh.itemView.getPaddingStart(), paddingTopScaled, vh.itemView.getPaddingEnd(), paddingBottomScaled);
 
         Claim original = items.get(position);
         boolean isRepost = Claim.TYPE_REPOST.equalsIgnoreCase(original.getValueType());
-        final Claim item = Claim.TYPE_REPOST.equalsIgnoreCase(original.getValueType()) ? original.getRepostedClaim() : original;
+        final Claim item = Claim.TYPE_REPOST.equalsIgnoreCase(original.getValueType()) ?
+                (original.getRepostedClaim() != null ? original.getRepostedClaim() : original): original;
         Claim.GenericMetadata metadata = item.getValue();
         Claim signingChannel = item.getSigningChannel();
         Claim.StreamMetadata streamMetadata = null;
         if (metadata instanceof Claim.StreamMetadata) {
             streamMetadata = (Claim.StreamMetadata) metadata;
         }
-        String thumbnailUrl = item.getThumbnailUrl();
+
+        String thumbnailUrl = item.getThumbnailUrl(vh.thumbnailView.getLayoutParams().width, vh.thumbnailView.getLayoutParams().height, 85);
         long publishTime = (streamMetadata != null && streamMetadata.getReleaseTime() > 0) ? streamMetadata.getReleaseTime() * 1000 : item.getTimestamp() * 1000;
         int bgColor = Helper.generateRandomColorForValue(item.getClaimId());
         if (bgColor == 0) {
@@ -382,9 +402,9 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
         });
 
         vh.publishTimeView.setVisibility(!isPending ? View.VISIBLE : View.GONE);
-        vh.pendingTextView.setVisibility(isPending ? View.VISIBLE : View.GONE);
-        vh.repostInfoView.setVisibility(isRepost ? View.VISIBLE : View.GONE);
-        vh.repostChannelView.setText(isRepost ? original.getSigningChannel().getName() : null);
+        vh.pendingTextView.setVisibility(isPending && !item.isLoadingPlaceholder() ? View.VISIBLE : View.GONE);
+        vh.repostInfoView.setVisibility(isRepost && type != VIEW_TYPE_FEATURED ? View.VISIBLE : View.GONE);
+        vh.repostChannelView.setText(isRepost && original.getSigningChannel() != null ? original.getSigningChannel().getName() : null);
         vh.repostChannelView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -405,6 +425,13 @@ public class ClaimListAdapter extends RecyclerView.Adapter<ClaimListAdapter.View
         vh.noThumbnailView.setVisibility(Helper.isNullOrEmpty(thumbnailUrl) ? View.VISIBLE : View.GONE);
         Helper.setIconViewBackgroundColor(vh.noThumbnailView, bgColor, false, context);
 
+        Helper.setViewVisibility(vh.loadingImagePlaceholder, item.isLoadingPlaceholder() ? View.VISIBLE : View.GONE);
+        Helper.setViewVisibility(vh.loadingTextPlaceholder1, item.isLoadingPlaceholder() ? View.VISIBLE : View.GONE);
+        Helper.setViewVisibility(vh.loadingTextPlaceholder2, item.isLoadingPlaceholder() ? View.VISIBLE : View.GONE);
+        Helper.setViewVisibility(vh.titleView, !item.isLoadingPlaceholder() ? View.VISIBLE : View.GONE);
+        Helper.setViewVisibility(vh.publisherView, !item.isLoadingPlaceholder() ? View.VISIBLE : View.GONE);
+        Helper.setViewVisibility(vh.publishTimeView, !item.isLoadingPlaceholder() && !isPending ? View.VISIBLE : View.GONE);
+
         if (type == VIEW_TYPE_FEATURED && item.isUnresolved()) {
             vh.durationView.setVisibility(View.GONE);
             vh.titleView.setText("Nothing here. Publish something!");

app/src/main/java/io/lbry/browser/adapter/CommentListAdapter.java

@@ -27,9 +27,9 @@ import io.lbry.browser.utils.LbryUri;
 import lombok.Setter;
 
 public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.ViewHolder> {
-    private List<Comment> items;
-    private Context context;
-    private boolean nested;
+    private final List<Comment> items;
+    private final Context context;
+    private final boolean nested;
     private float scale;
     @Setter
     private ClaimListAdapter.ClaimListItemListener listener;
@@ -61,6 +61,16 @@ public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.
         notifyDataSetChanged();
     }
 
+
+    public int getPositionForComment(String commentHash) {
+        for (int i = 0; i < items.size(); i++) {
+            if (commentHash.equalsIgnoreCase(items.get(i).getId())) {
+                return i;
+            }
+        }
+        return -1;
+    }
+
     @Override
     public int getItemCount() {
         return items != null ? items.size() : 0;
@@ -92,14 +102,14 @@ public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected TextView channelName;
-        protected TextView commentText;
-        protected ImageView thumbnailView;
-        protected View noThumbnailView;
-        protected TextView alphaView;
-        protected TextView commentTimeView;
-        protected View replyLink;
-        protected RecyclerView repliesList;
+        protected final TextView channelName;
+        protected final TextView commentText;
+        protected final ImageView thumbnailView;
+        protected final View noThumbnailView;
+        protected final TextView alphaView;
+        protected final TextView commentTimeView;
+        protected final View replyLink;
+        protected final RecyclerView repliesList;
 
         public ViewHolder (View v) {
             super(v);
@@ -163,9 +173,9 @@ public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.
     public void onBindViewHolder(ViewHolder holder, int position) {
         Comment comment = items.get(position);
         holder.itemView.setPadding(
-                nested ? Helper.getScaledValue(56, scale) : holder.itemView.getPaddingLeft(),
+                nested ? Helper.getScaledValue(56, scale) : holder.itemView.getPaddingStart(),
                 holder.itemView.getPaddingTop(),
-                nested ? 0 : holder.itemView.getPaddingRight(),
+                nested ? 0 : holder.itemView.getPaddingEnd(),
                 holder.itemView.getPaddingBottom());
 
         holder.channelName.setText(comment.getChannelName());
@@ -180,7 +190,7 @@ public class CommentListAdapter extends RecyclerView.Adapter<CommentListAdapter.
         int bgColor = Helper.generateRandomColorForValue(comment.getChannelId());
         Helper.setIconViewBackgroundColor(holder.noThumbnailView, bgColor, false, context);
         if (hasThumbnail) {
-            Glide.with(context.getApplicationContext()).asBitmap().load(comment.getPoster().getThumbnailUrl()).
+            Glide.with(context.getApplicationContext()).asBitmap().load(comment.getPoster().getThumbnailUrl(holder.thumbnailView.getLayoutParams().width, holder.thumbnailView.getLayoutParams().height, 85)).
                     apply(RequestOptions.circleCropTransform()).into(holder.thumbnailView);
         }
         holder.alphaView.setText(comment.getChannelName() != null ? comment.getChannelName().substring(1, 2).toUpperCase() : null);

app/src/main/java/io/lbry/browser/adapter/EditorsChoiceItemAdapter.java

@@ -23,8 +23,8 @@ public class EditorsChoiceItemAdapter extends RecyclerView.Adapter<EditorsChoice
     private static final int VIEW_TYPE_HEADER = 1;
     private static final int VIEW_TYPE_CONTENT = 2;
 
-    private Context context;
-    private List<EditorsChoiceItem> items;
+    private final Context context;
+    private final List<EditorsChoiceItem> items;
     @Setter
     private EditorsChoiceItemListener listener;
 
@@ -48,11 +48,11 @@ public class EditorsChoiceItemAdapter extends RecyclerView.Adapter<EditorsChoice
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected ImageView thumbnailView;
-        protected TextView descriptionView;
-        protected TextView headerView;
-        protected TextView titleView;
-        protected View cardView;
+        protected final ImageView thumbnailView;
+        protected final TextView descriptionView;
+        protected final TextView headerView;
+        protected final TextView titleView;
+        protected final View cardView;
 
         public ViewHolder(View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/GalleryGridAdapter.java

@@ -21,8 +21,8 @@ import io.lbry.browser.utils.Helper;
 import lombok.Setter;
 
 public class GalleryGridAdapter extends RecyclerView.Adapter<GalleryGridAdapter.ViewHolder> {
-    private Context context;
-    private List<GalleryItem> items;
+    private final Context context;
+    private final List<GalleryItem> items;
     @Setter
     private GalleryItemClickListener listener;
 
@@ -32,8 +32,8 @@ public class GalleryGridAdapter extends RecyclerView.Adapter<GalleryGridAdapter.
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected ImageView thumbnailView;
-        protected TextView durationView;
+        protected final ImageView thumbnailView;
+        protected final TextView durationView;
         public ViewHolder(View v) {
             super(v);
             thumbnailView = v.findViewById(R.id.gallery_item_thumbnail);
@@ -96,8 +96,8 @@ public class GalleryGridAdapter extends RecyclerView.Adapter<GalleryGridAdapter.
 
     public static  class GalleryGridItemDecoration extends RecyclerView.ItemDecoration {
 
-        private int spanCount;
-        private int spacing;
+        private final int spanCount;
+        private final int spacing;
 
         public GalleryGridItemDecoration(int spanCount, int spacing) {
             this.spanCount = spanCount;

app/src/main/java/io/lbry/browser/adapter/InlineChannelSpinnerAdapter.java

@@ -1,15 +1,14 @@
 package io.lbry.browser.adapter;
 
 import android.content.Context;
-import android.database.DataSetObserver;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.SpinnerAdapter;
 import android.widget.TextView;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 
 import io.lbry.browser.R;
@@ -17,9 +16,9 @@ import io.lbry.browser.model.Claim;
 
 public class InlineChannelSpinnerAdapter extends ArrayAdapter<Claim> {
 
-    private List<Claim> channels;
-    private int layoutResourceId;
-    private LayoutInflater inflater;
+    private final List<Claim> channels;
+    private final int layoutResourceId;
+    private final LayoutInflater inflater;
 
     public InlineChannelSpinnerAdapter(Context context, int resource, List<Claim> channels) {
         super(context, resource, 0, channels);
@@ -40,6 +39,25 @@ public class InlineChannelSpinnerAdapter extends ArrayAdapter<Claim> {
             channels.add(1, anonymous);
         }
     }
+    public void addAnonymousPlaceholder() {
+        Claim anonymous = new Claim();
+        anonymous.setPlaceholderAnonymous(true);
+        insert(anonymous, 0);
+        channels.add(0, anonymous);
+    }
+
+    public void addAll(Collection<? extends Claim> collection) {
+        for (Claim claim : collection) {
+            if (!channels.contains(claim)) {
+                channels.add(claim);
+            }
+        }
+        super.addAll(collection);
+    }
+    public void clear() {
+        channels.clear();
+        super.clear();
+    }
 
     public int getItemPosition(Claim item) {
         for (int i = 0; i < channels.size(); i++) {

app/src/main/java/io/lbry/browser/adapter/InviteeListAdapter.java

@@ -1,9 +1,7 @@
 package io.lbry.browser.adapter;
 
 import android.content.Context;
-import android.content.Intent;
 import android.graphics.Typeface;
-import android.net.Uri;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,21 +9,16 @@ import android.widget.TextView;
 
 import androidx.recyclerview.widget.RecyclerView;
 
-import java.text.DecimalFormat;
-import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.List;
 
 import io.lbry.browser.R;
 import io.lbry.browser.model.lbryinc.Invitee;
-import io.lbry.browser.utils.Helper;
-import io.lbry.browser.utils.LbryUri;
-import lombok.Setter;
 
 public class InviteeListAdapter extends RecyclerView.Adapter<InviteeListAdapter.ViewHolder> {
 
-    private Context context;
-    private List<Invitee> items;
+    private final Context context;
+    private final List<Invitee> items;
 
     public InviteeListAdapter(List<Invitee> invitees, Context context) {
         this.context = context;
@@ -80,8 +73,8 @@ public class InviteeListAdapter extends RecyclerView.Adapter<InviteeListAdapter.
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected TextView emailView;
-        protected TextView rewardView;
+        protected final TextView emailView;
+        protected final TextView rewardView;
 
         public ViewHolder(View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/LanguageSpinnerAdapter.java

@@ -10,13 +10,12 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 
 import io.lbry.browser.R;
-import io.lbry.browser.model.Claim;
 import io.lbry.browser.model.Language;
 import io.lbry.browser.utils.Predefined;
 
 public class LanguageSpinnerAdapter extends ArrayAdapter<Language> {
-    private int layoutResourceId;
-    private LayoutInflater inflater;
+    private final int layoutResourceId;
+    private final LayoutInflater inflater;
 
     public LanguageSpinnerAdapter(Context context, int resource) {
         super(context, resource, 0, Predefined.PUBLISH_LANGUAGES);

app/src/main/java/io/lbry/browser/adapter/LicenseSpinnerAdapter.java

@@ -10,13 +10,12 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 
 import io.lbry.browser.R;
-import io.lbry.browser.model.Language;
 import io.lbry.browser.model.License;
 import io.lbry.browser.utils.Predefined;
 
 public class LicenseSpinnerAdapter extends ArrayAdapter<License> {
-    private int layoutResourceId;
-    private LayoutInflater inflater;
+    private final int layoutResourceId;
+    private final LayoutInflater inflater;
 
     public LicenseSpinnerAdapter(Context context, int resource) {
         super(context, resource, 0, Predefined.LICENSES);

app/src/main/java/io/lbry/browser/adapter/NavigationMenuAdapter.java

@@ -2,10 +2,8 @@ package io.lbry.browser.adapter;
 
 import android.content.Context;
 import android.view.LayoutInflater;
-import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.recyclerview.widget.RecyclerView;
@@ -17,15 +15,14 @@ import io.lbry.browser.R;
 import io.lbry.browser.model.NavMenuItem;
 import io.lbry.browser.ui.controls.SolidIconView;
 import io.lbry.browser.utils.Helper;
-import lombok.Getter;
 import lombok.Setter;
 
 public class NavigationMenuAdapter extends RecyclerView.Adapter<NavigationMenuAdapter.ViewHolder> {
     private static final int TYPE_GROUP = 1;
     private static final int TYPE_ITEM = 2;
 
-    private Context context;
-    private List<NavMenuItem> menuItems;
+    private final Context context;
+    private final List<NavMenuItem> menuItems;
     private NavMenuItem currentItem;
     @Setter
     private NavigationMenuItemClickListener listener;
@@ -65,8 +62,8 @@ public class NavigationMenuAdapter extends RecyclerView.Adapter<NavigationMenuAd
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected SolidIconView iconView;
-        protected TextView titleView;
+        protected final SolidIconView iconView;
+        protected final TextView titleView;
         public ViewHolder(View v) {
             super(v);
             titleView = v.findViewById(R.id.nav_menu_title);

app/src/main/java/io/lbry/browser/adapter/NotificationListAdapter.java

@@ -0,0 +1,265 @@
+package io.lbry.browser.adapter;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.text.format.DateUtils;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.core.content.ContextCompat;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.RequestOptions;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.Collections;
+import java.util.GregorianCalendar;
+import java.util.List;
+import java.util.TimeZone;
+
+import io.lbry.browser.R;
+import io.lbry.browser.listener.SelectionModeListener;
+import io.lbry.browser.model.Claim;
+import io.lbry.browser.model.lbryinc.LbryNotification;
+import io.lbry.browser.ui.controls.SolidIconView;
+import io.lbry.browser.utils.Helper;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+public class NotificationListAdapter extends RecyclerView.Adapter<NotificationListAdapter.ViewHolder> {
+
+    private static final String RULE_CREATOR_SUBSCRIBER = "creator_subscriber";
+    private static final String RULE_COMMENT = "comment";
+
+    private final Context context;
+    private final List<LbryNotification> items;
+    private final List<LbryNotification> selectedItems;
+    @Setter
+    private NotificationClickListener clickListener;
+    @Getter
+    @Setter
+    private boolean inSelectionMode;
+    @Setter
+    private SelectionModeListener selectionModeListener;
+
+    public NotificationListAdapter(List<LbryNotification> notifications, Context context) {
+        this.context = context;
+        this.items = new ArrayList<>(notifications);
+        this.selectedItems = new ArrayList<>();
+        Collections.sort(items, Collections.reverseOrder(new LbryNotification()));
+    }
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        protected final View layoutView;
+        protected final TextView titleView;
+        protected final TextView bodyView;
+        protected final TextView timeView;
+        protected final SolidIconView iconView;
+        protected final ImageView thumbnailView;
+        protected final View selectedOverlayView;
+        public ViewHolder(View v) {
+            super(v);
+            layoutView = v.findViewById(R.id.notification_layout);
+            titleView = v.findViewById(R.id.notification_title);
+            bodyView = v.findViewById(R.id.notification_body);
+            timeView = v.findViewById(R.id.notification_time);
+            iconView = v.findViewById(R.id.notification_icon);
+            thumbnailView = v.findViewById(R.id.notification_author_thumbnail);
+            selectedOverlayView = v.findViewById(R.id.notification_selected_overlay);
+        }
+    }
+
+    public int getItemCount() {
+        return items != null ? items.size() : 0;
+    }
+    public List<LbryNotification> getSelectedItems() {
+        return this.selectedItems;
+    }
+    public int getSelectedCount() {
+        return selectedItems != null ? selectedItems.size() : 0;
+    }
+    public void clearSelectedItems() {
+        this.selectedItems.clear();
+    }
+    public boolean isNotificationSelected(LbryNotification notification) {
+        return selectedItems.contains(notification);
+    }
+
+    public void insertNotification(LbryNotification notification, int index) {
+        if (!items.contains(notification)) {
+            items.add(index, notification);
+        }
+        notifyDataSetChanged();
+    }
+
+    public void addNotification(LbryNotification notification) {
+        if (!items.contains(notification)) {
+            items.add(notification);
+        }
+        notifyDataSetChanged();
+    }
+    public void removeNotifications(List<LbryNotification> notifications) {
+        for (LbryNotification notification : notifications) {
+            items.remove(notification);
+        }
+        notifyDataSetChanged();
+    }
+
+    public List<String> getAuthorUrls() {
+        List<String> urls = new ArrayList<>();
+        for (LbryNotification item : items) {
+            if (!Helper.isNullOrEmpty(item.getAuthorUrl())) {
+                urls.add(item.getAuthorUrl());
+            }
+        }
+        return urls;
+    }
+
+    public void updateAuthorClaims(List<Claim> claims) {
+        for (Claim claim : claims) {
+            if (claim != null && claim.getThumbnailUrl() != null) {
+                updateClaimForAuthorUrl(claim);
+            }
+        }
+        notifyDataSetChanged();
+    }
+
+    private void updateClaimForAuthorUrl(Claim claim) {
+        for (LbryNotification item : items) {
+            if (claim.getPermanentUrl().equalsIgnoreCase(item.getAuthorUrl())) {
+                item.setCommentAuthor(claim);
+            }
+        }
+    }
+
+    public void addNotifications(List<LbryNotification> notifications) {
+        for (LbryNotification notification : notifications) {
+            if (!items.contains(notification)) {
+                items.add(notification);
+            }
+        }
+        Collections.sort(items, Collections.reverseOrder(new LbryNotification()));
+        notifyDataSetChanged();
+    }
+
+    @Override
+    public NotificationListAdapter.ViewHolder onCreateViewHolder(ViewGroup root, int viewType) {
+        View v = LayoutInflater.from(context).inflate(R.layout.list_item_notification, root, false);
+        return new NotificationListAdapter.ViewHolder(v);
+    }
+
+    private int getStringIdForRule(String rule) {
+        if (RULE_CREATOR_SUBSCRIBER.equalsIgnoreCase(rule)) {
+            return R.string.fa_heart;
+        }
+        if (RULE_COMMENT.equalsIgnoreCase(rule)) {
+            return R.string.fa_comment_alt;
+        }
+        return R.string.fa_asterisk;
+    }
+
+    private int getColorForRule(String rule) {
+        if (RULE_CREATOR_SUBSCRIBER.equalsIgnoreCase(rule)) {
+            return Color.RED;
+        }
+        if (RULE_COMMENT.equalsIgnoreCase(rule)) {
+            return ContextCompat.getColor(context, R.color.nextLbryGreen);
+        }
+
+        return ContextCompat.getColor(context, R.color.lbryGreen);
+    }
+
+    @Override
+    public void onBindViewHolder(NotificationListAdapter.ViewHolder vh, int position) {
+        LbryNotification notification = items.get(position);
+        vh.layoutView.setBackgroundColor(ContextCompat.getColor(context, notification.isSeen() ? android.R.color.transparent : R.color.nextLbryGreenSemiTransparent));
+        vh.selectedOverlayView.setVisibility(isNotificationSelected(notification) ? View.VISIBLE : View.GONE);
+
+        vh.titleView.setVisibility(!Helper.isNullOrEmpty(notification.getTitle()) ? View.VISIBLE : View.GONE);
+        vh.titleView.setText(notification.getTitle());
+        vh.bodyView.setText(notification.getDescription());
+        vh.timeView.setText(DateUtils.getRelativeTimeSpanString(
+                getLocalNotificationTime(notification), System.currentTimeMillis(), 0, DateUtils.FORMAT_ABBREV_RELATIVE));
+
+        vh.thumbnailView.setVisibility(notification.getCommentAuthor() == null ? View.INVISIBLE : View.VISIBLE);
+        if (notification.getCommentAuthor() != null) {
+            Glide.with(context.getApplicationContext()).load(
+                    notification.getCommentAuthor().getThumbnailUrl(vh.thumbnailView.getLayoutParams().width, vh.thumbnailView.getLayoutParams().height, 85)).apply(RequestOptions.circleCropTransform()).into(vh.thumbnailView);
+        }
+
+        vh.iconView.setVisibility(notification.getCommentAuthor() != null ? View.INVISIBLE : View.VISIBLE);
+        vh.iconView.setText(getStringIdForRule(notification.getRule()));
+        vh.iconView.setTextColor(getColorForRule(notification.getRule()));
+
+        vh.itemView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                if (inSelectionMode) {
+                    toggleSelectedNotification(notification);
+                } else {
+                    if (clickListener != null) {
+                        clickListener.onNotificationClicked(notification);
+                    }
+                }
+            }
+        });
+        vh.itemView.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View view) {
+                if (!inSelectionMode) {
+                    inSelectionMode = true;
+                    if (selectionModeListener != null) {
+                        selectionModeListener.onEnterSelectionMode();
+                    }
+                }
+                toggleSelectedNotification(notification);
+                return true;
+            }
+        });
+    }
+
+    private void toggleSelectedNotification(LbryNotification notification) {
+        if (selectedItems.contains(notification)) {
+            selectedItems.remove(notification);
+        } else {
+            selectedItems.add(notification);
+        }
+
+        if (selectionModeListener != null) {
+            selectionModeListener.onItemSelectionToggled();
+        }
+
+        if (selectedItems.size() == 0) {
+            inSelectionMode = false;
+            if (selectionModeListener != null) {
+                selectionModeListener.onExitSelectionMode();
+            }
+        }
+
+        notifyDataSetChanged();
+    }
+
+    private long getLocalNotificationTime(LbryNotification notification) {
+        TimeZone utcTZ = TimeZone.getTimeZone("UTC");
+        TimeZone targetTZ = TimeZone.getDefault();
+        Calendar cal = new GregorianCalendar(utcTZ);
+        cal.setTimeInMillis(notification.getTimestamp().getTime());
+
+        cal.add(Calendar.MILLISECOND, utcTZ.getRawOffset() * -1);
+        cal.add(Calendar.MILLISECOND, targetTZ.getRawOffset());
+        return cal.getTimeInMillis();
+    }
+
+    public interface NotificationClickListener {
+        void onNotificationClicked(LbryNotification notification);
+    }
+}

app/src/main/java/io/lbry/browser/adapter/RewardListAdapter.java

@@ -32,7 +32,7 @@ public class RewardListAdapter extends RecyclerView.Adapter<RewardListAdapter.Vi
     public static final int DISPLAY_MODE_ALL = 1;
     public static final int DISPLAY_MODE_UNCLAIMED = 2;
 
-    private Context context;
+    private final Context context;
     @Setter
     private List<Reward> all;
     private List<Reward> items;
@@ -85,16 +85,16 @@ public class RewardListAdapter extends RecyclerView.Adapter<RewardListAdapter.Vi
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View iconClaimed;
-        protected View loading;
-        protected View upTo;
-        protected TextView textTitle;
-        protected TextView textDescription;
-        protected TextView textLbcValue;
-        protected TextView textUsdValue;
-        protected TextView textLinkTransaction;
-        protected EditText inputCustomCode;
-        protected MaterialButton buttonClaimCustom;
+        protected final View iconClaimed;
+        protected final View loading;
+        protected final View upTo;
+        protected final TextView textTitle;
+        protected final TextView textDescription;
+        protected final TextView textLbcValue;
+        protected final TextView textUsdValue;
+        protected final TextView textLinkTransaction;
+        protected final EditText inputCustomCode;
+        protected final MaterialButton buttonClaimCustom;
         public ViewHolder(View v) {
             super(v);
             iconClaimed = v.findViewById(R.id.reward_item_claimed_icon);

app/src/main/java/io/lbry/browser/adapter/StartupStageAdapter.java

@@ -0,0 +1,70 @@
+package io.lbry.browser.adapter;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import java.util.List;
+
+import io.lbry.browser.R;
+import io.lbry.browser.model.StartupStage;
+
+public class StartupStageAdapter extends BaseAdapter {
+    private final List<StartupStage> list;
+    private final LayoutInflater inflater;
+    private final String[] stagesString;
+
+    public StartupStageAdapter(Context ctx, List<StartupStage> rows) {
+        this.list = rows;
+        this.inflater = LayoutInflater.from(ctx);
+
+        stagesString = new String[9];
+
+        stagesString[0] = ctx.getResources().getString(R.string.installation_id_loaded);
+        stagesString[1] = ctx.getResources().getString(R.string.known_tags_loaded);
+        stagesString[2] = ctx.getResources().getString(R.string.exchange_rate_loaded);
+        stagesString[3] = ctx.getResources().getString(R.string.user_authenticated);
+        stagesString[4] = ctx.getResources().getString(R.string.installation_registered);
+        stagesString[5] = ctx.getResources().getString(R.string.subscriptions_loaded);
+        stagesString[6] = ctx.getResources().getString(R.string.subscriptions_resolved);
+        stagesString[7] = ctx.getResources().getString(R.string.block_list_loaded);
+        stagesString[8] = ctx.getResources().getString(R.string.filter_list_loaded);
+    }
+    @Override
+    public int getCount() {
+        return list.size();
+    }
+
+    @Override
+    public Object getItem(int i) {
+        return list.get(i);
+    }
+
+    @Override
+    public long getItemId(int i) {
+        return i;
+    }
+
+    @Override
+    public View getView(int i, View view, ViewGroup viewGroup) {
+        if (view == null) {
+            view = inflater.inflate(R.layout.list_item_startupstage, viewGroup, false);
+
+            ImageView iconView = view.findViewById(R.id.startup_stage_icon);
+            TextView textView = view.findViewById(R.id.startup_stage_text);
+
+            StartupStage item = (StartupStage) getItem(i);
+
+            iconView.setImageResource(item.stageDone ? R.drawable.ic_check : R.drawable.ic_close);
+            iconView.setColorFilter(item.stageDone ? Color.WHITE : Color.RED);
+
+            textView.setText(stagesString[item.stage - 1]);
+        }
+        return view;
+    }
+}

app/src/main/java/io/lbry/browser/adapter/SuggestedChannelGridAdapter.java

@@ -22,9 +22,9 @@ import io.lbry.browser.utils.Helper;
 import lombok.Setter;
 
 public class SuggestedChannelGridAdapter extends RecyclerView.Adapter<SuggestedChannelGridAdapter.ViewHolder> {
-    private Context context;
-    private List<Claim> items;
-    private List<Claim> selectedItems;
+    private final Context context;
+    private final List<Claim> items;
+    private final List<Claim> selectedItems;
     @Setter
     private ChannelItemSelectionListener listener;
 
@@ -35,11 +35,11 @@ public class SuggestedChannelGridAdapter extends RecyclerView.Adapter<SuggestedC
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected View noThumbnailView;
-        protected ImageView thumbnailView;
-        protected TextView alphaView;
-        protected TextView titleView;
-        protected TextView tagView;
+        protected final View noThumbnailView;
+        protected final ImageView thumbnailView;
+        protected final TextView alphaView;
+        protected final TextView titleView;
+        protected final TextView tagView;
         public ViewHolder(View v) {
             super(v);
             noThumbnailView = v.findViewById(R.id.suggested_channel_no_thumbnail);
@@ -89,7 +89,8 @@ public class SuggestedChannelGridAdapter extends RecyclerView.Adapter<SuggestedC
     @Override
     public void onBindViewHolder(SuggestedChannelGridAdapter.ViewHolder vh, int position) {
         Claim claim = items.get(position);
-        String thumbnailUrl = claim.getThumbnailUrl();
+        ViewGroup.LayoutParams lp = vh.thumbnailView.getLayoutParams();
+        String thumbnailUrl = claim.getThumbnailUrl(lp.width, lp.height, 85);
 
         int bgColor = Helper.generateRandomColorForValue(claim.getClaimId());
         Helper.setIconViewBackgroundColor(vh.noThumbnailView, bgColor, false, context);

app/src/main/java/io/lbry/browser/adapter/TagListAdapter.java

@@ -23,12 +23,13 @@ public class TagListAdapter extends RecyclerView.Adapter<TagListAdapter.ViewHold
     public static final int CUSTOMIZE_MODE_ADD = 1;
     public static final int CUSTOMIZE_MODE_REMOVE = 2;
 
-    private Context context;
+    private final Context context;
     private List<Tag> items;
     @Setter
     private TagClickListener clickListener;
-    @Getter
+
     @Setter
+    @Getter
     private int customizeMode;
 
     public TagListAdapter(List<Tag> tags, Context context) {
@@ -38,8 +39,8 @@ public class TagListAdapter extends RecyclerView.Adapter<TagListAdapter.ViewHold
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected ImageView iconView;
-        protected TextView nameView;
+        protected final ImageView iconView;
+        protected final TextView nameView;
         public ViewHolder(View v) {
             super(v);
             iconView = v.findViewById(R.id.tag_action);

app/src/main/java/io/lbry/browser/adapter/TransactionListAdapter.java

@@ -26,8 +26,8 @@ public class TransactionListAdapter extends RecyclerView.Adapter<TransactionList
     private static final DecimalFormat TX_LIST_AMOUNT_FORMAT = new DecimalFormat("#,##0.0000");
     private static final SimpleDateFormat TX_LIST_DATE_FORMAT = new SimpleDateFormat("MMM d");
 
-    private Context context;
-    private List<Transaction> items;
+    private final Context context;
+    private final List<Transaction> items;
     @Setter
     private TransactionClickListener listener;
 
@@ -107,14 +107,14 @@ public class TransactionListAdapter extends RecyclerView.Adapter<TransactionList
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected TextView descView;
-        protected TextView amountView;
-        protected TextView claimView;
-        protected TextView feeView;
-        protected TextView txidLinkView;
-        protected TextView dateView;
-        protected TextView pendingView;
-        protected View infoFeeContainer;
+        protected final TextView descView;
+        protected final TextView amountView;
+        protected final TextView claimView;
+        protected final TextView feeView;
+        protected final TextView txidLinkView;
+        protected final TextView dateView;
+        protected final TextView pendingView;
+        protected final View infoFeeContainer;
 
         public ViewHolder(View v) {
             super(v);

app/src/main/java/io/lbry/browser/adapter/UrlSuggestionListAdapter.java

@@ -21,8 +21,8 @@ import io.lbry.browser.utils.LbryUri;
 import lombok.Setter;
 
 public class UrlSuggestionListAdapter extends RecyclerView.Adapter<UrlSuggestionListAdapter.ViewHolder> {
-    private Context context;
-    private List<UrlSuggestion> items;
+    private final Context context;
+    private final List<UrlSuggestion> items;
     @Setter
     private UrlSuggestionClickListener listener;
 
@@ -130,9 +130,9 @@ public class UrlSuggestionListAdapter extends RecyclerView.Adapter<UrlSuggestion
     }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
-        protected SolidIconView iconView;
-        protected TextView titleView;
-        protected TextView descView;
+        protected final SolidIconView iconView;
+        protected final TextView titleView;
+        protected final TextView descView;
         public ViewHolder(View v) {
             super(v);
             iconView = v.findViewById(R.id.url_suggestion_icon);

app/src/main/java/io/lbry/browser/adapter/VerificationPagerAdapter.java

@@ -25,7 +25,7 @@ public class VerificationPagerAdapter extends FragmentStateAdapter {
     public static final int PAGE_VERIFICATION_WALLET = 2;
     public static final int PAGE_VERIFICATION_MANUAL = 3;
 
-    private FragmentActivity activity;
+    private final FragmentActivity activity;
 
     public VerificationPagerAdapter(FragmentActivity activity) {
         super(activity);

app/src/main/java/io/lbry/browser/adapter/WalletDetailAdapter.java

@@ -0,0 +1,100 @@
+package io.lbry.browser.adapter;
+
+import android.content.Context;
+import android.content.DialogInterface;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageButton;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AlertDialog;
+
+import java.util.List;
+
+import io.lbry.browser.MainActivity;
+import io.lbry.browser.R;
+import io.lbry.browser.model.WalletDetailItem;
+import io.lbry.browser.utils.Helper;
+import io.lbry.browser.views.CreditsBalanceView;
+
+public class WalletDetailAdapter extends BaseAdapter {
+    private final List<WalletDetailItem> list;
+    private final LayoutInflater inflater;
+
+    public WalletDetailAdapter(Context ctx, List<WalletDetailItem> rows) {
+        this.list = rows;
+        this.inflater = LayoutInflater.from(ctx);
+    }
+    @Override
+    public int getCount() {
+        return list.size();
+    }
+
+    @Override
+    public Object getItem(int i) {
+        return list.get(i);
+    }
+
+    @Override
+    public long getItemId(int i) {
+        return i;
+    }
+
+    @Override
+    public View getView(int i, View view, ViewGroup viewGroup) {
+        if (view == null) {
+            view = inflater.inflate(R.layout.list_item_boosting_balance, viewGroup, false);
+
+            CreditsBalanceView balanceView = view.findViewById(R.id.wallet_supporting_balance);
+            TextView detailTextView = view.findViewById(R.id.detail);
+            TextView detailExplanationTextView = view.findViewById(R.id.detail_explanation);
+
+            WalletDetailItem item = (WalletDetailItem) getItem(i);
+
+            detailTextView.setText(item.detail);
+            detailExplanationTextView.setText(item.detailDesc);
+
+            Helper.setViewText(balanceView, item.detailAmount);
+
+            ProgressBar progressUnlockTips = view.findViewById(R.id.wallet_unlock_tips_progress);
+            progressUnlockTips.setVisibility(item.isInProgress ? View.VISIBLE : View.GONE);
+
+            ImageButton buttonLock = view.findViewById(R.id.lock_button);
+            buttonLock.setVisibility((item.isUnlockable && !item.isInProgress) ? View.VISIBLE : View.GONE);
+
+            if (item.isUnlockable) {
+                buttonLock.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        if (view.getContext() != null) {
+                            AlertDialog.Builder builder = new AlertDialog.Builder(view.getContext()).
+                                    setTitle(R.string.unlock_tips).
+                                    setMessage(R.string.confirm_unlock_tips)
+                                    .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
+                                        @Override
+                                        public void onClick(DialogInterface dialogInterface, int i) {
+                                            unlockTips(view);
+                                        }
+                                    }).setNegativeButton(R.string.no, null);
+                            builder.show();
+                        }
+                    }
+                });
+            }
+        }
+        return view;
+    }
+
+    private void unlockTips(View v) {
+        Context ctx = v.getContext();
+        if (ctx instanceof MainActivity) {
+            v.setVisibility(View.GONE);
+            View progress = v.getRootView().findViewById(R.id.wallet_unlock_tips_progress);
+            progress.setVisibility(View.VISIBLE);
+            ((MainActivity) ctx).unlockTips();
+        }
+    }
+}

app/src/main/java/io/lbry/browser/data/DatabaseHelper.java

@@ -4,7 +4,6 @@ import android.content.Context;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
-import android.opengl.Visibility;
 
 import java.math.BigDecimal;
 import java.text.ParseException;
@@ -13,22 +12,22 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 
-import io.lbry.browser.exceptions.LbryUriException;
 import io.lbry.browser.model.Tag;
 import io.lbry.browser.model.UrlSuggestion;
 import io.lbry.browser.model.ViewHistory;
+import io.lbry.browser.model.lbryinc.LbryNotification;
 import io.lbry.browser.model.lbryinc.Subscription;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.LbryUri;
 
 public class DatabaseHelper extends SQLiteOpenHelper {
-    public static final int DATABASE_VERSION = 2;
+    public static final int DATABASE_VERSION = 8;
     public static final String DATABASE_NAME = "LbryApp.db";
     private static DatabaseHelper instance;
 
     private static final String[] SQL_CREATE_TABLES = {
             // local subscription store
-            "CREATE TABLE subscriptions (url TEXT PRIMARY KEY NOT NULL, channel_name TEXT NOT NULL)",
+            "CREATE TABLE subscriptions (url TEXT PRIMARY KEY NOT NULL, channel_name TEXT NOT NULL, is_notifications_disabled INTEGER DEFAULT 0 NOT NULL)",
             // url entry / suggestion history
             "CREATE TABLE url_history (id INTEGER PRIMARY KEY NOT NULL, value TEXT NOT NULL, url TEXT, type INTEGER NOT NULL, timestamp TEXT NOT NULL)",
             // tags (known and followed)
@@ -48,7 +47,20 @@ public class DatabaseHelper extends SQLiteOpenHelper {
                     ", thumbnail_url TEXT" +
                     ", release_time INTEGER " +
                     ", device TEXT" +
-                    ", timestamp TEXT NOT NULL)"
+                    ", timestamp TEXT NOT NULL)",
+            "CREATE TABLE notifications (" +
+                    "  id INTEGER PRIMARY KEY NOT NULL" +
+                    ", remote_id INTEGER NOT NULL" +
+                    ", author_url TEXT" +
+                    ", title TEXT" +
+                    ", description TEXT" +
+                    ", thumbnail_url TEXT" +
+                    ", target_url TEXT" +
+                    ", rule TEXT" +
+                    ", is_read INTEGER DEFAULT 0 NOT NULL" +
+                    ", is_seen INTEGER DEFAULT 0 NOT NULL " +
+                    ", timestamp TEXT NOT NULL)",
+            "CREATE TABLE shuffle_watched (id INTEGER PRIMARY KEY NOT NULL, claim_id TEXT NOT NULL)"
     };
     private static final String[] SQL_CREATE_INDEXES = {
             "CREATE UNIQUE INDEX idx_subscription_url ON subscriptions (url)",
@@ -56,22 +68,69 @@ public class DatabaseHelper extends SQLiteOpenHelper {
             "CREATE UNIQUE INDEX idx_url_history_url ON url_history (url)",
             "CREATE UNIQUE INDEX idx_tag_name ON tags (name)",
             "CREATE UNIQUE INDEX idx_view_history_url_device ON view_history (url, device)",
-            "CREATE INDEX idx_view_history_device ON view_history (device)"
+            "CREATE INDEX idx_view_history_device ON view_history (device)",
+            "CREATE UNIQUE INDEX idx_notification_remote_id ON notifications (remote_id)",
+            "CREATE INDEX idx_notification_timestamp ON notifications (timestamp)",
+            "CREATE UNIQUE INDEX idx_shuffle_watched_claim ON shuffle_watched (claim_id)",
     };
 
     private static final String[] SQL_V1_V2_UPGRADE = {
             "ALTER TABLE view_history ADD COLUMN currency TEXT"
     };
 
-    private static final String SQL_INSERT_SUBSCRIPTION = "REPLACE INTO subscriptions (channel_name, url) VALUES (?, ?)";
+    private static final String[] SQL_V2_V3_UPGRADE = {
+            "CREATE TABLE notifications (" +
+                    "  id INTEGER PRIMARY KEY NOT NULL" +
+                    ", title TEXT" +
+                    ", description TEXT" +
+                    ", thumbnail_url TEXT" +
+                    ", target_url TEXT" +
+                    ", is_read INTEGER DEFAULT 0 NOT NULL" +
+                    ", timestamp TEXT NOT NULL)",
+            "CREATE INDEX idx_notification_timestamp ON notifications (timestamp)"
+    };
+
+    private static final String[] SQL_V3_V4_UPGRADE = {
+            "ALTER TABLE notifications ADD COLUMN remote_id INTEGER",
+            "CREATE UNIQUE INDEX idx_notification_remote_id ON notifications (remote_id)"
+    };
+    private static final String[] SQL_V4_V5_UPGRADE = {
+            "ALTER TABLE notifications ADD COLUMN rule TEXT",
+            "ALTER TABLE notifications ADD COLUMN is_seen TEXT"
+    };
+    private static final String[] SQL_V5_V6_UPGRADE = {
+            "ALTER TABLE notifications ADD COLUMN author_url TEXT"
+    };
+    private static final String[] SQL_V6_V7_UPGRADE = {
+            "CREATE TABLE shuffle_watched (id INTEGER PRIMARY KEY NOT NULL, claim_id TEXT NOT NULL)",
+            "CREATE UNIQUE INDEX idx_shuffle_watched_claim ON shuffle_watched (claim_id)"
+    };
+    private static final String[] SQL_V7_V8_UPGRADE = {
+            "AlTER TABLE subscriptions ADD COLUMN is_notifications_disabled INTEGER DEFAULT 0 NOT NULL"
+    };
+
+    private static final String SQL_INSERT_SUBSCRIPTION = "REPLACE INTO subscriptions (channel_name, url, is_notifications_disabled) VALUES (?, ?, ?)";
+    private static final String SQL_UPDATE_SUBSCRIPTION_NOTIFICATION = "UPDATE subscriptions SET is_notification_disabled = ? WHERE url = ?";
+    private static final String SQL_CLEAR_SUBSCRIPTIONS = "DELETE FROM subscriptions";
     private static final String SQL_DELETE_SUBSCRIPTION = "DELETE FROM subscriptions WHERE url = ?";
-    private static final String SQL_GET_SUBSCRIPTIONS = "SELECT channel_name, url FROM subscriptions";
+    private static final String SQL_GET_SUBSCRIPTIONS = "SELECT channel_name, url, is_notifications_disabled FROM subscriptions";
 
     private static final String SQL_INSERT_URL_HISTORY = "REPLACE INTO url_history (value, url, type, timestamp) VALUES (?, ?, ?, ?)";
     private static final String SQL_CLEAR_URL_HISTORY = "DELETE FROM url_history";
     private static final String SQL_CLEAR_URL_HISTORY_BEFORE_TIME = "DELETE FROM url_history WHERE timestamp < ?";
     private static final String SQL_GET_RECENT_URL_HISTORY = "SELECT value, url, type FROM url_history ORDER BY timestamp DESC LIMIT 10";
 
+    private static final String SQL_INSERT_NOTIFICATION = "REPLACE INTO notifications (remote_id, author_url, title, description, rule, target_url, is_read, is_seen, timestamp) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)";
+    private static final String SQL_GET_NOTIFICATIONS = "SELECT id, remote_id, author_url, title, description, rule, target_url, is_read, is_seen, timestamp FROM notifications ORDER BY timestamp DESC LIMIT 500";
+    private static final String SQL_GET_UNREAD_NOTIFICATIONS_COUNT = "SELECT COUNT(id) FROM notifications WHERE is_read <> 1";
+    private static final String SQL_GET_UNSEEN_NOTIFICATIONS_COUNT = "SELECT COUNT(id) FROM notifications WHERE is_seen <> 1";
+    private static final String SQL_MARK_NOTIFICATIONS_READ = "UPDATE notifications SET is_read = 1 WHERE is_read = 0";
+    private static final String SQL_MARK_NOTIFICATIONS_SEEN = "UPDATE notifications SET is_seen = 1 WHERE is_seen = 0";
+    private static final String SQL_MARK_NOTIFICATION_READ_AND_SEEN = "UPDATE notifications SET is_read = 1, is_seen = 1 WHERE id = ?";
+
+    private static final String SQL_INSERT_SHUFFLE_WATCHED = "REPLACE INTO shuffle_watched (claim_id) VALUES (?)";
+    private static final String SQL_GET_SHUFFLE_WATCHED_CLAIMS = "SELECT claim_id FROM shuffle_watched";
+
     private static final String SQL_INSERT_VIEW_HISTORY =
             "REPLACE INTO view_history (url, claim_id, claim_name, cost, currency, title, publisher_claim_id, publisher_name, publisher_title, thumbnail_url, device, release_time, timestamp) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
     private static final String SQL_GET_VIEW_HISTORY =
@@ -110,6 +169,36 @@ public class DatabaseHelper extends SQLiteOpenHelper {
                 db.execSQL(sql);
             }
         }
+        if (oldVersion < 3) {
+            for (String sql : SQL_V2_V3_UPGRADE) {
+                db.execSQL(sql);
+            }
+        }
+        if (oldVersion < 4) {
+            for (String sql : SQL_V3_V4_UPGRADE) {
+                db.execSQL(sql);
+            }
+        }
+        if (oldVersion < 5) {
+            for (String sql : SQL_V4_V5_UPGRADE) {
+                db.execSQL(sql);
+            }
+        }
+        if (oldVersion < 6) {
+            for (String sql : SQL_V5_V6_UPGRADE) {
+                db.execSQL(sql);
+            }
+        }
+        if (oldVersion < 7) {
+            for (String sql : SQL_V6_V7_UPGRADE) {
+                db.execSQL(sql);
+            }
+        }
+        if (oldVersion < 8) {
+            for (String sql : SQL_V7_V8_UPGRADE) {
+                db.execSQL(sql);
+            }
+        }
     }
     public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
 
@@ -126,6 +215,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
     public static void clearUrlHistoryBefore(Date date, SQLiteDatabase db) {
         db.execSQL(SQL_CLEAR_URL_HISTORY_BEFORE_TIME, new Object[] { new SimpleDateFormat(Helper.ISO_DATE_FORMAT_PATTERN).format(new Date()) });
     }
+
     // History items are essentially url suggestions
     public static List<UrlSuggestion> getRecentHistory(SQLiteDatabase db) {
         List<UrlSuggestion> suggestions = new ArrayList<>();
@@ -225,11 +315,21 @@ public class DatabaseHelper extends SQLiteOpenHelper {
     }
 
     public static void createOrUpdateSubscription(Subscription subscription, SQLiteDatabase db) {
-        db.execSQL(SQL_INSERT_SUBSCRIPTION, new Object[] { subscription.getChannelName(), subscription.getUrl() });
+        db.execSQL(SQL_INSERT_SUBSCRIPTION, new Object[] {
+                subscription.getChannelName(),
+                subscription.getUrl(),
+                subscription.isNotificationsDisabled() ? 1 : 0
+        });
+    }
+    public static void setSubscriptionNotificationDisabled(boolean flag, String url, SQLiteDatabase db) {
+        db.execSQL(SQL_UPDATE_SUBSCRIPTION_NOTIFICATION, new Object[] { flag ? 1 : 0, url });
     }
     public static void deleteSubscription(Subscription subscription, SQLiteDatabase db) {
         db.execSQL(SQL_DELETE_SUBSCRIPTION, new Object[] { subscription.getUrl() });
     }
+    public static void clearSubscriptions(SQLiteDatabase db) {
+        db.execSQL(SQL_CLEAR_SUBSCRIPTIONS);
+    }
     public static List<Subscription> getSubscriptions(SQLiteDatabase db) {
         List<Subscription> subscriptions = new ArrayList<>();
         Cursor cursor = null;
@@ -239,6 +339,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
                 Subscription subscription = new Subscription();
                 subscription.setChannelName(cursor.getString(0));
                 subscription.setUrl(cursor.getString(1));
+                subscription.setNotificationsDisabled(cursor.getInt(2) == 1);
                 subscriptions.add(subscription);
             }
         } finally {
@@ -247,4 +348,112 @@ public class DatabaseHelper extends SQLiteOpenHelper {
         return subscriptions;
     }
 
+    public static void createOrUpdateNotification(LbryNotification notification, SQLiteDatabase db) {
+        db.execSQL(SQL_INSERT_NOTIFICATION, new Object[] {
+                notification.getRemoteId(),
+                notification.getAuthorUrl(),
+                notification.getTitle(),
+                notification.getDescription(),
+                notification.getRule(),
+                notification.getTargetUrl(),
+                notification.isRead() ? 1 : 0,
+                notification.isSeen() ? 1 : 0,
+                new SimpleDateFormat(Helper.ISO_DATE_FORMAT_PATTERN).format(notification.getTimestamp() != null ? notification.getTimestamp() : new Date())
+        });
+    }
+    public static List<LbryNotification> getNotifications(SQLiteDatabase db) {
+        List<LbryNotification> notifications = new ArrayList<>();
+        Cursor cursor = null;
+        try {
+            cursor = db.rawQuery(SQL_GET_NOTIFICATIONS, null);
+            while (cursor.moveToNext()) {
+                LbryNotification notification = new LbryNotification();
+                int columnIndex = 0;
+                notification.setId(cursor.getLong(columnIndex++));
+                notification.setRemoteId(cursor.getLong(columnIndex++));
+                notification.setAuthorUrl(cursor.getString(columnIndex++));
+                notification.setTitle(cursor.getString(columnIndex++));
+                notification.setDescription(cursor.getString(columnIndex++));
+                notification.setRule(cursor.getString(columnIndex++));
+                notification.setTargetUrl(cursor.getString(columnIndex++));
+                notification.setRead(cursor.getInt(columnIndex++) == 1);
+                notification.setSeen(cursor.getInt(columnIndex++) == 1);
+                try {
+                    notification.setTimestamp(new SimpleDateFormat(Helper.ISO_DATE_FORMAT_PATTERN).parse(cursor.getString(columnIndex++)));
+                } catch (ParseException ex) {
+                    // invalid timestamp (which shouldn't happen). Skip this item
+                    continue;
+                }
+                notifications.add(notification);
+            }
+        } finally {
+            Helper.closeCursor(cursor);
+        }
+        return notifications;
+    }
+    public static void deleteNotifications(List<LbryNotification> notifications, SQLiteDatabase db) {
+        StringBuilder sb = new StringBuilder("DELETE FROM notifications WHERE remote_id IN (");
+        List<Object> remoteIds = new ArrayList<>();
+        String delim = "";
+        for (int i = 0; i < notifications.size(); i++) {
+            remoteIds.add(String.valueOf(notifications.get(i).getRemoteId()));
+            sb.append(delim).append("?");
+            delim = ",";
+        }
+        sb.append(")");
+
+        String sql = sb.toString();
+        db.execSQL(sql, remoteIds.toArray());
+    }
+    public static int getUnreadNotificationsCount(SQLiteDatabase db) {
+        int count = 0;
+        Cursor cursor = null;
+        try {
+            cursor = db.rawQuery(SQL_GET_UNREAD_NOTIFICATIONS_COUNT, null);
+            if (cursor.moveToNext()) {
+                count = cursor.getInt(0);
+            }
+        } finally {
+            Helper.closeCursor(cursor);
+        }
+        return count;
+    }
+    public static int getUnseenNotificationsCount(SQLiteDatabase db) {
+        int count = 0;
+        Cursor cursor = null;
+        try {
+            cursor = db.rawQuery(SQL_GET_UNSEEN_NOTIFICATIONS_COUNT, null);
+            if (cursor.moveToNext()) {
+                count = cursor.getInt(0);
+            }
+        } finally {
+            Helper.closeCursor(cursor);
+        }
+        return count;
+    }
+    public static void markNotificationsSeen(SQLiteDatabase db) {
+        db.execSQL(SQL_MARK_NOTIFICATIONS_SEEN);
+    }
+    public static void markNotificationsRead(SQLiteDatabase db) {
+        db.execSQL(SQL_MARK_NOTIFICATIONS_READ);
+    }
+    public static void markNotificationReadAndSeen(long notificationId, SQLiteDatabase db) {
+        db.execSQL(SQL_MARK_NOTIFICATION_READ_AND_SEEN, new Object[] { notificationId });
+    }
+    public static void createOrUpdateShuffleWatched(String claimId, SQLiteDatabase db) {
+        db.execSQL(SQL_INSERT_SHUFFLE_WATCHED, new Object[] { claimId });
+    }
+    public static List<String> getShuffleWatchedClaims(SQLiteDatabase db) {
+        List<String> claimIds = new ArrayList<>();
+        Cursor cursor = null;
+        try {
+            cursor = db.rawQuery(SQL_GET_SHUFFLE_WATCHED_CLAIMS, null);
+            while (cursor.moveToNext()) {
+                claimIds.add(cursor.getString(0));
+            }
+        } finally {
+            Helper.closeCursor(cursor);
+        }
+        return claimIds;
+    }
 }

app/src/main/java/io/lbry/browser/dialog/ContentFromDialogFragment.java

@@ -67,8 +67,8 @@ public class ContentFromDialogFragment extends BottomSheetDialogFragment {
                 R.id.content_from_past_year_item,
                 R.id.content_from_all_time_item
         };
-        private BottomSheetDialogFragment dialog;
-        private ContentFromListener listener;
+        private final BottomSheetDialogFragment dialog;
+        private final ContentFromListener listener;
 
         public ContentFromItemClickListener(BottomSheetDialogFragment dialog, ContentFromListener listener) {
             this.dialog = dialog;

app/src/main/java/io/lbry/browser/dialog/ContentScopeDialogFragment.java

@@ -54,8 +54,8 @@ public class ContentScopeDialogFragment extends BottomSheetDialogFragment {
         private final int[] checkViewIds = {
                 R.id.content_scope_everyone_item_selected, R.id.content_scope_tags_item_selected
         };
-        private BottomSheetDialogFragment dialog;
-        private ContentScopeListener listener;
+        private final BottomSheetDialogFragment dialog;
+        private final ContentScopeListener listener;
 
         public ContentScopeItemClickListener(BottomSheetDialogFragment dialog, ContentScopeListener listener) {
             this.dialog = dialog;

app/src/main/java/io/lbry/browser/dialog/ContentSortDialogFragment.java

@@ -57,8 +57,8 @@ public class ContentSortDialogFragment extends BottomSheetDialogFragment {
         private final int[] checkViewIds = {
                 R.id.sort_by_trending_item_selected, R.id.sort_by_new_item_selected, R.id.sort_by_top_item_selected
         };
-        private BottomSheetDialogFragment dialog;
-        private SortByListener listener;
+        private final BottomSheetDialogFragment dialog;
+        private final SortByListener listener;
 
         public SortByItemClickListener(BottomSheetDialogFragment dialog, SortByListener listener) {
             this.dialog = dialog;

app/src/main/java/io/lbry/browser/dialog/CreateSupportDialogFragment.java

@@ -0,0 +1,349 @@
+package io.lbry.browser.dialog;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.graphics.Color;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.text.method.LinkMovementMethod;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CompoundButton;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import androidx.appcompat.widget.AppCompatSpinner;
+import androidx.core.text.HtmlCompat;
+
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
+import com.google.android.material.button.MaterialButton;
+import com.google.android.material.snackbar.Snackbar;
+import com.google.android.material.switchmaterial.SwitchMaterial;
+import com.google.android.material.textfield.TextInputEditText;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+import io.lbry.browser.MainActivity;
+import io.lbry.browser.R;
+import io.lbry.browser.adapter.InlineChannelSpinnerAdapter;
+import io.lbry.browser.listener.WalletBalanceListener;
+import io.lbry.browser.model.Claim;
+import io.lbry.browser.model.WalletBalance;
+import io.lbry.browser.tasks.GenericTaskHandler;
+import io.lbry.browser.tasks.claim.ClaimListResultHandler;
+import io.lbry.browser.tasks.claim.ClaimListTask;
+import io.lbry.browser.tasks.wallet.SupportCreateTask;
+import io.lbry.browser.utils.Helper;
+import io.lbry.browser.utils.Lbry;
+
+public class CreateSupportDialogFragment extends BottomSheetDialogFragment implements WalletBalanceListener {
+    public static final String TAG = "CreateSupportDialog";
+
+    private MaterialButton sendButton;
+    private View cancelLink;
+    private TextInputEditText inputAmount;
+    private View inlineBalanceContainer;
+    private TextView inlineBalanceValue;
+    private ProgressBar sendProgress;
+
+    private InlineChannelSpinnerAdapter channelSpinnerAdapter;
+    private AppCompatSpinner channelSpinner;
+    private SwitchMaterial switchTip;
+
+    private boolean fetchingChannels;
+    private ProgressBar progressLoadingChannels;
+
+
+    private final CreateSupportListener listener;
+    private final Claim claim;
+
+    private CreateSupportDialogFragment(Claim claim, CreateSupportListener listener) {
+        super();
+        this.claim = claim;
+        this.listener = listener;
+    }
+
+    public static CreateSupportDialogFragment newInstance(Claim claim, CreateSupportListener listener) {
+        return new CreateSupportDialogFragment(claim, listener);
+    }
+
+    private void disableControls() {
+        Dialog dialog = getDialog();
+        if (dialog != null) {
+            dialog.setCanceledOnTouchOutside(false);
+        }
+        channelSpinner.setEnabled(false);
+        switchTip.setEnabled(false);
+        sendButton.setEnabled(false);
+        cancelLink.setEnabled(false);
+    }
+    private void enableControls() {
+        Dialog dialog = getDialog();
+        if (dialog != null) {
+            dialog.setCanceledOnTouchOutside(true);
+        }
+        channelSpinner.setEnabled(true);
+        switchTip.setEnabled(true);
+        sendButton.setEnabled(true);
+        cancelLink.setEnabled(true);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.dialog_create_support, container, false);
+
+        inputAmount = view.findViewById(R.id.create_support_input_amount);
+        inlineBalanceContainer = view.findViewById(R.id.create_support_inline_balance_container);
+        inlineBalanceValue = view.findViewById(R.id.create_support_inline_balance_value);
+        sendProgress = view.findViewById(R.id.create_support_progress);
+        cancelLink = view.findViewById(R.id.create_support_cancel_link);
+        sendButton = view.findViewById(R.id.create_support_send);
+
+        channelSpinner = view.findViewById(R.id.create_support_channel_spinner);
+        switchTip = view.findViewById(R.id.create_support_make_tip_switch);
+        progressLoadingChannels = view.findViewById(R.id.create_support_channel_progress);
+
+        inputAmount.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View view, boolean hasFocus) {
+                inputAmount.setHint(hasFocus ? getString(R.string.zero) : "");
+                inlineBalanceContainer.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE);
+            }
+        });
+        inputAmount.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+                updateSendButtonText();
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+
+            }
+        });
+        updateInfoText();
+        updateSendButtonText();
+
+        String channel = null;
+        if (Claim.TYPE_CHANNEL.equalsIgnoreCase(claim.getValueType())) {
+            channel = claim.getTitleOrName();
+        } else if (claim.getSigningChannel() != null) {
+            channel = claim.getPublisherTitle();
+        }
+        TextView titleView = view.findViewById(R.id.create_support_title);
+        String tipTitleText = Helper.isNullOrEmpty(channel) ? getString(R.string.send_a_tip) : getString(R.string.send_a_tip_to, channel);
+        titleView.setText(tipTitleText);
+
+        switchTip.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                if (checked) {
+                    // show tip info
+                    titleView.setText(tipTitleText);
+                    updateSendButtonText();
+                } else {
+                    // show support info
+                    titleView.setText(R.string.support_this_content);
+                    sendButton.setText(R.string.send_revocable_support);
+                }
+                updateInfoText();
+            }
+        });
+
+        sendButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                String amountString = Helper.getValue(inputAmount.getText());
+                if (Helper.isNullOrEmpty(amountString)) {
+                    showError(getString(R.string.invalid_amount));
+                    return;
+                }
+
+                BigDecimal amount = new BigDecimal(amountString);
+                if (amount.doubleValue() > Lbry.walletBalance.getAvailable().doubleValue()) {
+                    showError(getString(R.string.insufficient_balance));
+                    return;
+                }
+                if (amount.doubleValue() < Helper.MIN_SPEND) {
+                    showError(getString(R.string.min_spend_required));
+                    return;
+                }
+
+                Claim selectedChannel = (Claim) channelSpinner.getSelectedItem();
+                String channelId = !fetchingChannels && selectedChannel != null ? selectedChannel.getClaimId() : null;
+                boolean isTip = switchTip.isChecked();
+                SupportCreateTask task = new SupportCreateTask(
+                        claim.getClaimId(), channelId, amount, isTip, sendProgress, new GenericTaskHandler() {
+                    @Override
+                    public void beforeStart() {
+                        disableControls();
+                    }
+
+                    @Override
+                    public void onSuccess() {
+                        enableControls();
+                        if (listener != null) {
+                            listener.onSupportCreated(amount, isTip);
+                        }
+
+                        dismiss();
+                    }
+
+                    @Override
+                    public void onError(Exception error) {
+                        showError(error.getMessage());
+                        enableControls();
+                    }
+                });
+                task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+            }
+        });
+
+        cancelLink.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                dismiss();
+            }
+        });
+
+        onWalletBalanceUpdated(Lbry.walletBalance);
+        updateInfoText();
+
+        return view;
+    }
+
+    private void updateSendButtonText() {
+        boolean isTip = switchTip.isChecked();
+        if (!isTip) {
+            sendButton.setText(R.string.send_revocable_support);
+        } else {
+            String amountString = Helper.getValue(inputAmount.getText(), "0");
+            double parsedAmount = Helper.parseDouble(amountString, 0);
+            String text = getResources().getQuantityString(R.plurals.send_lbc_tip, parsedAmount == 1.0 ? 1 : 2, amountString);
+            sendButton.setText(text);
+        }
+    }
+
+    private void updateInfoText() {
+        View view = getView();
+        if (view != null && switchTip != null) {
+            TextView infoText = view.findViewById(R.id.create_support_info);
+            boolean isTip = switchTip.isChecked();
+
+            infoText.setMovementMethod(LinkMovementMethod.getInstance());
+            if (!isTip) {
+                infoText.setText(HtmlCompat.fromHtml(getString(R.string.support_info), HtmlCompat.FROM_HTML_MODE_LEGACY));
+            } else if (claim != null) {
+                infoText.setText(HtmlCompat.fromHtml(
+                        Claim.TYPE_CHANNEL.equalsIgnoreCase(claim.getValueType()) ?
+                                getString(R.string.send_tip_info_channel, claim.getTitleOrName()) :
+                                getString(R.string.send_tip_info_content, claim.getTitleOrName()),
+                        HtmlCompat.FROM_HTML_MODE_LEGACY));
+            }
+        }
+    }
+
+    private void fetchChannels() {
+        if (Lbry.ownChannels != null && Lbry.ownChannels.size() > 0) {
+            updateChannelList(Lbry.ownChannels);
+            return;
+        }
+
+        fetchingChannels = true;
+        disableChannelSpinner();
+        ClaimListTask task = new ClaimListTask(Claim.TYPE_CHANNEL, progressLoadingChannels, new ClaimListResultHandler() {
+            @Override
+            public void onSuccess(List<Claim> claims) {
+                Lbry.ownChannels = new ArrayList<>(claims);
+                updateChannelList(Lbry.ownChannels);
+                enableChannelSpinner();
+                fetchingChannels = false;
+            }
+
+            @Override
+            public void onError(Exception error) {
+                enableChannelSpinner();
+                fetchingChannels = false;
+            }
+        });
+        task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+    }
+    private void disableChannelSpinner() {
+        Helper.setViewEnabled(channelSpinner, false);
+    }
+    private void enableChannelSpinner() {
+        Helper.setViewEnabled(channelSpinner, true);
+    }
+
+    private void updateChannelList(List<Claim> channels) {
+        if (channelSpinnerAdapter == null) {
+            Context context = getContext();
+            if (context != null) {
+                channelSpinnerAdapter = new InlineChannelSpinnerAdapter(context, R.layout.spinner_item_channel, new ArrayList<>(channels));
+                channelSpinnerAdapter.addAnonymousPlaceholder();
+                channelSpinnerAdapter.notifyDataSetChanged();
+            }
+        } else {
+            channelSpinnerAdapter.clear();
+            channelSpinnerAdapter.addAll(channels);
+            channelSpinnerAdapter.addAnonymousPlaceholder();
+            channelSpinnerAdapter.notifyDataSetChanged();
+        }
+
+        if (channelSpinner != null) {
+            channelSpinner.setAdapter(channelSpinnerAdapter);
+        }
+
+        if (channelSpinnerAdapter != null && channelSpinner != null) {
+            if (channelSpinnerAdapter.getCount() > 1) {
+                channelSpinner.setSelection(1);
+            }
+        }
+    }
+
+    public void onResume() {
+        super.onResume();
+        Context context = getContext();
+        if (context instanceof MainActivity) {
+            ((MainActivity) context).addWalletBalanceListener(this);
+        }
+        updateInfoText();
+        fetchChannels();
+    }
+
+    public void onPause() {
+        Context context = getContext();
+        if (context instanceof MainActivity) {
+            ((MainActivity) context).removeWalletBalanceListener(this);
+        }
+        super.onPause();
+    }
+
+    @Override
+    public void onWalletBalanceUpdated(WalletBalance walletBalance) {
+        if (walletBalance != null && inlineBalanceValue != null) {
+            inlineBalanceValue.setText(Helper.shortCurrencyFormat(walletBalance.getAvailable().doubleValue()));
+        }
+    }
+
+    private void showError(String message) {
+        Snackbar.make(getView(), message, Snackbar.LENGTH_LONG).
+                setBackgroundTint(Color.RED).
+                setTextColor(Color.WHITE).
+                show();
+    }
+
+    public interface CreateSupportListener {
+        void onSupportCreated(BigDecimal amount, boolean isTip);
+    }
+}

app/src/main/java/io/lbry/browser/dialog/CustomizeTagsDialogFragment.java

@@ -142,7 +142,7 @@ public class CustomizeTagsDialogFragment extends BottomSheetDialogFragment {
         return view;
     }
 
-    private TagListAdapter.TagClickListener customizeTagClickListener = new TagListAdapter.TagClickListener() {
+    private final TagListAdapter.TagClickListener customizeTagClickListener = new TagListAdapter.TagClickListener() {
         @Override
         public void onTagClicked(Tag tag, int customizeMode) {
             if (customizeMode == TagListAdapter.CUSTOMIZE_MODE_ADD) {

app/src/main/java/io/lbry/browser/dialog/DiscoverDialogFragment.java

@@ -5,7 +5,6 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ProgressBar;
 
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.GridLayoutManager;

app/src/main/java/io/lbry/browser/dialog/RepostClaimDialogFragment.java

@@ -37,7 +37,6 @@ import io.lbry.browser.tasks.claim.StreamRepostTask;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 import io.lbry.browser.utils.LbryUri;
-import lombok.Setter;
 
 public class RepostClaimDialogFragment extends BottomSheetDialogFragment implements WalletBalanceListener {
     public static final String TAG = "RepostClaimDialog";
@@ -57,13 +56,17 @@ public class RepostClaimDialogFragment extends BottomSheetDialogFragment impleme
     private TextView linkToggleAdvanced;
     private View advancedContainer;
 
-    @Setter
-    private RepostClaimListener listener;
-    @Setter
-    private Claim claim;
+    private final RepostClaimListener listener;
+    private final Claim claim;
 
-    public static RepostClaimDialogFragment newInstance() {
-        return new RepostClaimDialogFragment();
+    private RepostClaimDialogFragment(Claim claim, RepostClaimListener listener) {
+        super();
+        this.listener = listener;
+        this.claim = claim;
+    }
+
+    public static RepostClaimDialogFragment newInstance(Claim claim, RepostClaimListener listener) {
+        return new RepostClaimDialogFragment(claim, listener);
     }
 
     @Override
@@ -231,6 +234,11 @@ public class RepostClaimDialogFragment extends BottomSheetDialogFragment impleme
             showError(getString(R.string.insufficient_balance));
             return;
         }
+        if (bid.doubleValue() < Helper.MIN_DEPOSIT) {
+            String message = getResources().getQuantityString(R.plurals.min_deposit_required, 2, String.valueOf(Helper.MIN_DEPOSIT));
+            showError(message);
+            return;
+        }
 
         Claim channel = (Claim) channelSpinner.getSelectedItem();
         if (channel == null) {

app/src/main/java/io/lbry/browser/dialog/SendTipDialogFragment.java

@@ -1,198 +0,0 @@
-package io.lbry.browser.dialog;
-
-import android.app.Dialog;
-import android.content.Context;
-import android.graphics.Color;
-import android.os.AsyncTask;
-import android.os.Bundle;
-import android.text.method.LinkMovementMethod;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ProgressBar;
-import android.widget.TextView;
-
-import androidx.core.content.ContextCompat;
-import androidx.core.text.HtmlCompat;
-
-import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
-import com.google.android.material.button.MaterialButton;
-import com.google.android.material.snackbar.Snackbar;
-import com.google.android.material.textfield.TextInputEditText;
-
-import java.math.BigDecimal;
-import java.text.DecimalFormat;
-
-import io.lbry.browser.MainActivity;
-import io.lbry.browser.R;
-import io.lbry.browser.listener.WalletBalanceListener;
-import io.lbry.browser.model.Claim;
-import io.lbry.browser.model.WalletBalance;
-import io.lbry.browser.tasks.GenericTaskHandler;
-import io.lbry.browser.tasks.wallet.SupportCreateTask;
-import io.lbry.browser.utils.Helper;
-import io.lbry.browser.utils.Lbry;
-import lombok.Setter;
-
-public class SendTipDialogFragment extends BottomSheetDialogFragment implements WalletBalanceListener {
-    public static final String TAG = "SendTipDialog";
-
-    private MaterialButton sendButton;
-    private View cancelLink;
-    private TextInputEditText inputAmount;
-    private View inlineBalanceContainer;
-    private TextView inlineBalanceValue;
-    private ProgressBar sendProgress;
-
-    @Setter
-    private SendTipListener listener;
-    @Setter
-    private Claim claim;
-
-    public static SendTipDialogFragment newInstance() {
-        return new SendTipDialogFragment();
-    }
-
-    private void disableControls() {
-        Dialog dialog = getDialog();
-        if (dialog != null) {
-            dialog.setCanceledOnTouchOutside(false);
-        }
-        sendButton.setEnabled(false);
-        cancelLink.setEnabled(false);
-    }
-    private void enableControls() {
-        Dialog dialog = getDialog();
-        if (dialog != null) {
-            dialog.setCanceledOnTouchOutside(true);
-        }
-        sendButton.setEnabled(true);
-        cancelLink.setEnabled(true);
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.dialog_send_tip, container, false);
-
-        inputAmount = view.findViewById(R.id.tip_input_amount);
-        inlineBalanceContainer = view.findViewById(R.id.tip_inline_balance_container);
-        inlineBalanceValue = view.findViewById(R.id.tip_inline_balance_value);
-        sendProgress = view.findViewById(R.id.tip_send_progress);
-        cancelLink = view.findViewById(R.id.tip_cancel_link);
-        sendButton = view.findViewById(R.id.tip_send);
-
-        inputAmount.setOnFocusChangeListener(new View.OnFocusChangeListener() {
-            @Override
-            public void onFocusChange(View view, boolean hasFocus) {
-                inputAmount.setHint(hasFocus ? getString(R.string.zero) : "");
-                inlineBalanceContainer.setVisibility(hasFocus ? View.VISIBLE : View.INVISIBLE);
-            }
-        });
-
-        TextView infoText = view.findViewById(R.id.tip_info);
-        infoText.setMovementMethod(LinkMovementMethod.getInstance());
-        if (claim != null) {
-            infoText.setText(HtmlCompat.fromHtml(
-                    Claim.TYPE_CHANNEL.equalsIgnoreCase(claim.getValueType()) ?
-                            getString(R.string.send_tip_info_channel, claim.getTitleOrName()) :
-                            getString(R.string.send_tip_info_content, claim.getTitleOrName()),
-                    HtmlCompat.FROM_HTML_MODE_LEGACY));
-        }
-
-        sendButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                String amountString = Helper.getValue(inputAmount.getText());
-                if (Helper.isNullOrEmpty(amountString)) {
-                    showError(getString(R.string.invalid_amount));
-                    return;
-                }
-
-                BigDecimal amount = new BigDecimal(amountString);
-                if (amount.doubleValue() > Lbry.walletBalance.getAvailable().doubleValue()) {
-                    showError(getString(R.string.insufficient_balance));
-                    return;
-                }
-
-                SupportCreateTask task = new SupportCreateTask(claim.getClaimId(), amount, true, sendProgress, new GenericTaskHandler() {
-                    @Override
-                    public void beforeStart() {
-                        disableControls();
-                    }
-
-                    @Override
-                    public void onSuccess() {
-                        enableControls();
-                        if (listener != null) {
-                            listener.onTipSent(amount);
-                        }
-
-                        dismiss();
-                    }
-
-                    @Override
-                    public void onError(Exception error) {
-                        showError(error.getMessage());
-                        enableControls();
-                    }
-                });
-                task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-            }
-        });
-
-        cancelLink.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                dismiss();
-            }
-        });
-
-        String channel = null;
-        if (Claim.TYPE_CHANNEL.equalsIgnoreCase(claim.getValueType())) {
-            channel = claim.getTitleOrName();
-        } else if (claim.getSigningChannel() != null) {
-            channel = claim.getPublisherTitle();
-        }
-        ((TextView) view.findViewById(R.id.tip_send_title)).setText(
-                Helper.isNullOrEmpty(channel) ? getString(R.string.send_a_tip) : getString(R.string.send_a_tip_to, channel)
-        );
-
-        onWalletBalanceUpdated(Lbry.walletBalance);
-
-        return view;
-    }
-
-    public void onResume() {
-        super.onResume();
-        Context context = getContext();
-        if (context instanceof MainActivity) {
-            ((MainActivity) context).addWalletBalanceListener(this);
-        }
-    }
-
-    public void onPause() {
-        Context context = getContext();
-        if (context instanceof MainActivity) {
-            ((MainActivity) context).removeWalletBalanceListener(this);
-        }
-        super.onPause();
-    }
-
-    @Override
-    public void onWalletBalanceUpdated(WalletBalance walletBalance) {
-        if (walletBalance != null && inlineBalanceValue != null) {
-            inlineBalanceValue.setText(Helper.shortCurrencyFormat(walletBalance.getAvailable().doubleValue()));
-        }
-    }
-
-    private void showError(String message) {
-        Snackbar.make(getView(), message, Snackbar.LENGTH_LONG).
-                setBackgroundTint(Color.RED).
-                setTextColor(Color.WHITE).
-                show();
-    }
-
-    public interface SendTipListener {
-        void onTipSent(BigDecimal amount);
-    }
-}

app/src/main/java/io/lbry/browser/exceptions/AuthTokenInvalidatedException.java

@@ -0,0 +1,4 @@
+package io.lbry.browser.exceptions;
+
+public class AuthTokenInvalidatedException extends Exception {
+}

app/src/main/java/io/lbry/browser/listener/SignInListener.java

@@ -7,4 +7,7 @@ public interface SignInListener {
     void onPhoneAdded(String countryCode, String phoneNumber);
     void onPhoneVerified();
     void onManualVerifyContinue();
+    void onSkipQueueAction();
+    void onTwitterVerified();
+    void onManualProgress(boolean progress);
 }

app/src/main/java/io/lbry/browser/model/Claim.java

@@ -1,5 +1,7 @@
 package io.lbry.browser.model;
 
+import androidx.annotation.Nullable;
+
 import com.google.gson.FieldNamingPolicy;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
@@ -15,7 +17,6 @@ import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.stream.Stream;
 
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.LbryUri;
@@ -54,6 +55,7 @@ public class Claim {
     @EqualsAndHashCode.Include
     private boolean placeholder;
     private boolean placeholderAnonymous;
+    private boolean loadingPlaceholder;
     private boolean featured;
     private boolean unresolved; // used for featured
     private String address;
@@ -137,6 +139,14 @@ public class Claim {
         return null;
     }
 
+    public boolean hasSource() {
+        if (value instanceof StreamMetadata) {
+            StreamMetadata metadata = (StreamMetadata) value;
+            return metadata.getSource() != null;
+        }
+        return false;
+    }
+
     public boolean isPlayable() {
         if (value instanceof StreamMetadata) {
             StreamMetadata metadata = (StreamMetadata) value;
@@ -176,6 +186,21 @@ public class Claim {
         return null;
     }
 
+    /**
+     * Gets the URL from the CDN where getting the image file
+     * @param width Pass zero for width and height for the full size image file
+     * @param height Pass zero for width and height for the full size image file
+     * @param q Desired quality for the image to be retrieved
+     * @return URL from the CDN from where image can be retrieved
+     */
+    public String getThumbnailUrl(int width, int height, int q) {
+        if (value != null && value.getThumbnail() != null) {
+            ImageCDNUrl imageCDNUrl = new ImageCDNUrl(Math.max(width, 0), Math.max(height, 0), q, null, value.getThumbnail().getUrl());
+            return imageCDNUrl.toString();
+        }
+        return null;
+    }
+
     public String getCoverUrl() {
         if (TYPE_CHANNEL.equals(valueType) && value != null && value instanceof ChannelMetadata && ((ChannelMetadata) value).getCover() != null) {
             return ((ChannelMetadata) value).getCover().getUrl();
@@ -483,6 +508,30 @@ public class Claim {
         private String url;
     }
 
+    /**
+     * Object to be instantiated. In order to get the URLto the CDN, call toString() on it
+     */
+    static class ImageCDNUrl {
+        private String appendedPath = "";
+
+        public ImageCDNUrl(int width, int height, int quality, @Nullable String format, String thumbnailUrl) {
+            if (width != 0 && height != 0)
+                appendedPath = "s:".concat(String.valueOf(width)).concat(":").concat(String.valueOf(height)).concat("/");
+
+            appendedPath = appendedPath.concat("quality:").concat(String.valueOf(quality)).concat("/");
+
+            appendedPath = appendedPath.concat("plain/").concat(thumbnailUrl);
+
+            if (format != null)
+                appendedPath = appendedPath.concat("@").concat(format);
+        }
+
+        @Override
+        public String toString() {
+            String url = "https://image-processor.vanwanet.com/optimize/";
+            return url.concat(appendedPath);
+        }
+    }
     @Data
     public static class StreamInfo {
         private long duration; // video / audio

app/src/main/java/io/lbry/browser/model/ClaimCacheKey.java

@@ -40,7 +40,7 @@ public class ClaimCacheKey {
 
     @Override
     public boolean equals(@Nullable Object obj) {
-        if (obj == null || !(obj instanceof ClaimCacheKey)) {
+        if (!(obj instanceof ClaimCacheKey)) {
             return false;
         }
         ClaimCacheKey key = (ClaimCacheKey) obj;

app/src/main/java/io/lbry/browser/model/ClaimSearchCacheValue.java

@@ -1,19 +1,15 @@
 package io.lbry.browser.model;
 
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 
 import lombok.Getter;
-import lombok.Setter;
 
 public class ClaimSearchCacheValue {
     @Getter
-    @Setter
-    private List<Claim> claims;
+    private final List<Claim> claims;
     @Getter
-    @Setter
-    private long timestamp;
+    private final long timestamp;
 
     public ClaimSearchCacheValue(List<Claim> claims, long timestamp) {
         this.claims = new ArrayList<>(claims);

app/src/main/java/io/lbry/browser/model/Comment.java

@@ -3,7 +3,6 @@ package io.lbry.browser.model;
 import org.json.JSONException;
 import org.json.JSONObject;
 
-import java.lang.reflect.Array;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -11,8 +10,7 @@ import io.lbry.browser.utils.Helper;
 import lombok.Data;
 
 @Data
-public class Comment {
-    public static final double LBC_COST = 2;
+public class Comment implements Comparable<Comment> {
     public static final int MAX_LENGTH = 2000;
 
     private Claim poster;
@@ -66,4 +64,9 @@ public class Comment {
             return null;
         }
     }
+
+    @Override
+    public int compareTo(Comment comment) {
+        return (int)(this.getTimestamp() - comment.getTimestamp());
+    }
 }

app/src/main/java/io/lbry/browser/model/Language.java

@@ -4,9 +4,9 @@ import lombok.Data;
 
 @Data
 public class Language {
-    private String code;
-    private String name;
-    private int stringResourceId;
+    private final String code;
+    private final String name;
+    private final int stringResourceId;
 
     public Language(String code, String name, int stringResourceId) {
         this.code = code;

app/src/main/java/io/lbry/browser/model/License.java

@@ -4,9 +4,9 @@ import lombok.Data;
 
 @Data
 public class License {
-    private String name;
+    private final String name;
     private String url;
-    private int stringResourceId;
+    private final int stringResourceId;
 
     public License(String name, int stringResourceId) {
         this.name = name;

app/src/main/java/io/lbry/browser/model/NavMenuItem.java

@@ -2,8 +2,6 @@ package io.lbry.browser.model;
 
 import android.content.Context;
 
-import androidx.core.content.res.ResourcesCompat;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -20,6 +18,7 @@ public class NavMenuItem {
     public static final int ID_ITEM_FOLLOWING = 101;
     public static final int ID_ITEM_EDITORS_CHOICE = 102;
     public static final int ID_ITEM_ALL_CONTENT = 103;
+    public static final int ID_ITEM_SHUFFLE = 104;
 
     // Your Content
     public static final int ID_ITEM_CHANNELS = 201;
@@ -36,8 +35,8 @@ public class NavMenuItem {
     public static final int ID_ITEM_SETTINGS = 401;
     public static final int ID_ITEM_ABOUT = 402;
 
-    private Context context;
-    private int id;
+    private final Context context;
+    private final int id;
     private boolean group;
     private int icon;
     private String title;

app/src/main/java/io/lbry/browser/model/StartupStage.java

@@ -0,0 +1,11 @@
+package io.lbry.browser.model;
+
+public class StartupStage {
+    public final Integer stage;
+    public final Boolean stageDone;
+
+    public StartupStage(Integer stage, Boolean stageDone) {
+        this.stage = stage;
+        this.stageDone = stageDone;
+    }
+}

app/src/main/java/io/lbry/browser/model/TwitterOauth.java

@@ -0,0 +1,9 @@
+package io.lbry.browser.model;
+
+import lombok.Data;
+
+@Data
+public class TwitterOauth {
+    private String oauthToken;
+    private String oauthTokenSecret;
+}

app/src/main/java/io/lbry/browser/model/ViewHistory.java

@@ -3,9 +3,7 @@ package io.lbry.browser.model;
 import java.math.BigDecimal;
 import java.util.Date;
 
-import io.lbry.browser.exceptions.LbryUriException;
 import io.lbry.browser.utils.LbryUri;
-import io.lbry.browser.utils.Lbryio;
 import lombok.Data;
 
 @Data

app/src/main/java/io/lbry/browser/model/WalletBalance.java

@@ -6,14 +6,28 @@ import java.math.BigDecimal;
 
 import io.lbry.browser.utils.Helper;
 import lombok.Data;
+import lombok.Getter;
+import lombok.Setter;
 
 @Data
 public class WalletBalance {
+    @Setter
+    @Getter
     private BigDecimal available;
+    @Setter
+    @Getter
     private BigDecimal reserved;
+    @Setter
+    @Getter
     private BigDecimal claims;
+    @Setter
+    @Getter
     private BigDecimal supports;
+    @Setter
+    @Getter
     private BigDecimal tips;
+    @Setter
+    @Getter
     private BigDecimal total;
 
     public WalletBalance() {

app/src/main/java/io/lbry/browser/model/WalletDetailItem.java

@@ -0,0 +1,17 @@
+package io.lbry.browser.model;
+
+public class WalletDetailItem {
+    public String detail;
+    public String detailDesc;
+    public String detailAmount;
+    public boolean isUnlockable;
+    public boolean isInProgress;
+
+    public WalletDetailItem(String detail, String detailDesc, String detailAmount, boolean isUnlockable, boolean isInProgress) {
+        this.detail = detail;
+        this.detailDesc = detailDesc;
+        this.detailAmount = detailAmount;
+        this.isUnlockable = isUnlockable;
+        this.isInProgress = isInProgress;
+    }
+}

app/src/main/java/io/lbry/browser/model/WalletSync.java

@@ -1,11 +1,15 @@
 package io.lbry.browser.model;
 
 import lombok.Data;
+import lombok.Getter;
 
 @Data
 public class WalletSync {
-    private String hash;
-    private String data;
+    @Getter
+    private final String hash;
+    @Getter
+    private final String data;
+    @Getter
     private boolean changed;
 
     public WalletSync(String hash, String data) {
@@ -17,4 +21,5 @@ public class WalletSync {
         this(hash, data);
         this.changed = changed;
     }
+
 }

app/src/main/java/io/lbry/browser/model/lbryinc/LbryNotification.java

@@ -0,0 +1,40 @@
+package io.lbry.browser.model.lbryinc;
+
+import java.util.Comparator;
+import java.util.Date;
+
+import io.lbry.browser.model.Claim;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@Data
+@EqualsAndHashCode(callSuper = false, onlyExplicitlyIncluded = true)
+public class LbryNotification implements Comparator<LbryNotification> {
+    private long id;
+    @EqualsAndHashCode.Include
+    private long remoteId;
+    private String title;
+    private String description;
+    private String thumbnailUrl;
+    private String rule;
+    private String targetUrl;
+    private boolean read;
+    private boolean seen;
+    private Date timestamp;
+
+    // only for comment notifications
+    private String authorUrl;
+    private Claim commentAuthor;
+
+    public int compare(LbryNotification a, LbryNotification b) {
+        long t1 = a.getTimestamp() != null ? a.getTimestamp().getTime() : 0;
+        long t2 = b.getTimestamp() != null ? b.getTimestamp().getTime() : 0;
+        if (t1 < t2) {
+            return -1;
+        }
+        if (t1 > t2) {
+            return 1;
+        }
+        return 0;
+    }
+}

app/src/main/java/io/lbry/browser/model/lbryinc/Reward.java

@@ -9,7 +9,6 @@ import org.json.JSONObject;
 
 import java.lang.reflect.Type;
 
-import io.lbry.browser.model.Claim;
 import io.lbry.browser.utils.Helper;
 import lombok.Data;
 

app/src/main/java/io/lbry/browser/model/lbryinc/RewardVerified.java

@@ -0,0 +1,9 @@
+package io.lbry.browser.model.lbryinc;
+
+import lombok.Data;
+
+@Data
+public class RewardVerified {
+    private long userId;
+    private boolean isRewardApproved;
+}

app/src/main/java/io/lbry/browser/model/lbryinc/Subscription.java

@@ -11,17 +11,21 @@ public class Subscription {
     @Getter
     @Setter
     private String url;
+    @Getter
+    @Setter
+    private boolean isNotificationsDisabled;
 
     public Subscription() {
 
     }
-    public Subscription(String channelName, String url) {
+    public Subscription(String channelName, String url, boolean isNotificationsDisabled) {
         this.channelName = channelName;
         this.url = url;
+        this.isNotificationsDisabled = isNotificationsDisabled;
     }
 
     public static Subscription fromClaim(Claim claim) {
-        return new Subscription(claim.getName(), claim.getPermanentUrl());
+        return new Subscription(claim.getName(), claim.getPermanentUrl(), false);
     }
     public String toString() {
         return url;

app/src/main/java/io/lbry/browser/tasks/BufferEventTask.java

@@ -0,0 +1,70 @@
+package io.lbry.browser.tasks;
+
+import android.os.AsyncTask;
+import android.util.Log;
+
+import org.json.JSONObject;
+
+import java.util.concurrent.TimeUnit;
+
+import io.lbry.browser.utils.Helper;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+import okhttp3.ResponseBody;
+
+public class BufferEventTask extends AsyncTask<Void, Void, Void> {
+    private static final String TAG = "LbryBufferEvent";
+    private static final String ENDPOINT = "https://collector-service.api.lbry.tv/api/v1/events/video";
+
+    private final String streamUrl;
+    private final String userIdHash;
+    private final long streamDuration;
+    private final long streamPosition;
+    private final long bufferDuration;
+
+    public BufferEventTask(String streamUrl, long streamDuration, long streamPosition, long bufferDuration, String userIdHash) {
+        this.streamUrl = streamUrl;
+        this.bufferDuration = bufferDuration;
+        this.streamDuration = streamDuration;
+        this.streamPosition = streamPosition;
+        this.userIdHash = userIdHash;
+    }
+
+    protected Void doInBackground(Void... params) {
+        JSONObject requestBody = new JSONObject();
+        JSONObject data = new JSONObject();
+        try {
+            data.put("url", streamUrl);
+            data.put("position", streamPosition);
+            data.put("stream_duration", streamDuration);
+            //data.put("duration", bufferDuration);
+
+            requestBody.put("device", "android");
+            requestBody.put("type", "buffering");
+            requestBody.put("client", userIdHash);
+            requestBody.put("data", data);
+
+            RequestBody body = RequestBody.create(requestBody.toString(), Helper.JSON_MEDIA_TYPE);
+            Request request =  new Request.Builder().url(ENDPOINT).post(body).build();
+            OkHttpClient client = new OkHttpClient.Builder().
+                    writeTimeout(60, TimeUnit.SECONDS).
+                    readTimeout(60, TimeUnit.SECONDS).
+                    build();
+
+            Response response = client.newCall(request).execute();
+            ResponseBody resBody = response.body();
+            String responseString = "";
+            if (resBody != null) {
+                responseString = response.body().string();
+            }
+            Log.d(TAG, String.format("buffer event sent: %s", responseString));
+        } catch (Exception ex) {
+            // we don't want to fail if a buffer event fails to register
+            Log.d(TAG, String.format("buffer event log failed: %s", ex.getMessage()), ex);
+        }
+
+        return null;
+    }
+}

app/src/main/java/io/lbry/browser/tasks/CommentCreateTask.java

@@ -0,0 +1,85 @@
+package io.lbry.browser.tasks;
+
+import android.os.AsyncTask;
+import android.view.View;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.io.IOException;
+import java.util.Objects;
+
+import io.lbry.browser.exceptions.ApiCallException;
+import io.lbry.browser.model.Comment;
+import io.lbry.browser.utils.Comments;
+import io.lbry.browser.utils.Helper;
+import okhttp3.Response;
+
+public class CommentCreateTask extends AsyncTask<Void, Void, Comment> {
+    private final Comment comment;
+    private final View progressView;
+    private final CommentCreateWithTipHandler handler;
+    private Exception error;
+
+    public CommentCreateTask(Comment comment, View progressView, CommentCreateWithTipHandler handler) {
+        this.comment = comment;
+        this.progressView = progressView;
+        this.handler = handler;
+    }
+
+    protected void onPreExecute() {
+        Helper.setViewVisibility(progressView, View.VISIBLE);
+    }
+
+    public Comment doInBackground(Void... params) {
+        Comment createdComment = null;
+        try {
+            // check comments status endpoint
+            Comments.checkCommentsEndpointStatus();
+
+            JSONObject comment_body = new JSONObject();
+            comment_body.put("comment", comment.getText());
+            comment_body.put("claim_id", comment.getClaimId());
+            if (!Helper.isNullOrEmpty(comment.getParentId())) {
+                comment_body.put("parent_id", comment.getParentId());
+            }
+            comment_body.put("channel_id", comment.getChannelId());
+            comment_body.put("channel_name", comment.getChannelName());
+
+            JSONObject jsonChannelSign = Comments.channelSign(comment_body, comment.getChannelId(), comment.getChannelName());
+
+            if (jsonChannelSign.has("signature") && jsonChannelSign.has("signing_ts")) {
+                comment_body.put("signature", jsonChannelSign.getString("signature"));
+                comment_body.put("signing_ts", jsonChannelSign.getString("signing_ts"));
+            }
+
+            Response resp = Comments.performRequest(comment_body, "comment.Create");
+            String responseString = Objects.requireNonNull(resp.body()).string();
+            resp.close();
+            JSONObject jsonResponse = new JSONObject(responseString);
+
+            if (jsonResponse.has("result"))
+                createdComment = Comment.fromJSONObject(jsonResponse.getJSONObject("result"));
+        } catch (ApiCallException | ClassCastException | IOException | JSONException ex) {
+            error = ex;
+        }
+
+        return createdComment;
+    }
+
+    protected void onPostExecute(Comment createdComment) {
+        Helper.setViewVisibility(progressView, View.GONE);
+        if (handler != null) {
+            if (createdComment != null) {
+                handler.onSuccess(createdComment);
+            } else {
+                handler.onError(error);
+            }
+        }
+    }
+
+    public interface CommentCreateWithTipHandler {
+        void onSuccess(Comment createdComment);
+        void onError(Exception error);
+    }
+}

app/src/main/java/io/lbry/browser/tasks/CommentCreateWithTipTask.java

@@ -1,103 +0,0 @@
-package io.lbry.browser.tasks;
-
-import android.os.AsyncTask;
-import android.view.View;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-
-import java.io.IOException;
-import java.math.BigDecimal;
-import java.text.DecimalFormat;
-import java.text.DecimalFormatSymbols;
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.Map;
-import java.util.concurrent.TimeUnit;
-
-import io.lbry.browser.exceptions.ApiCallException;
-import io.lbry.browser.model.Comment;
-import io.lbry.browser.utils.Helper;
-import io.lbry.browser.utils.Lbry;
-import io.lbry.browser.utils.Lbryio;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.Response;
-
-public class CommentCreateWithTipTask extends AsyncTask<Void, Void, Comment> {
-    private static final String STATUS_ENDPOINT = "https://comments.lbry.com";
-
-    private Comment comment;
-    private BigDecimal amount;
-    private View progressView;
-    private CommentCreateWithTipHandler handler;
-    private Exception error;
-
-    public CommentCreateWithTipTask(Comment comment, BigDecimal amount, View progressView, CommentCreateWithTipHandler handler) {
-        this.comment = comment;
-        this.amount = amount;
-        this.progressView = progressView;
-        this.handler = handler;
-    }
-
-    protected void onPreExecute() {
-        Helper.setViewVisibility(progressView, View.VISIBLE);
-    }
-
-    public Comment doInBackground(Void... params) {
-        Comment createdComment = null;
-        try {
-            // check comments status endpoint
-            Request request = new Request.Builder().url(STATUS_ENDPOINT).build();
-            OkHttpClient client = new OkHttpClient.Builder().
-                    writeTimeout(30, TimeUnit.SECONDS).
-                    readTimeout(30, TimeUnit.SECONDS).
-                    build();
-            Response response = client.newCall(request).execute();
-            JSONObject status = new JSONObject(response.body().string());
-            String statusText = Helper.getJSONString("text", null, status);
-            boolean isRunning = Helper.getJSONBoolean("is_running", false, status);
-            if (!"ok".equalsIgnoreCase(statusText) || !isRunning) {
-                throw new ApiCallException("The comment server is not available at this time. Please try again later.");
-            }
-
-            Map<String, Object> options = new HashMap<>();
-            options.put("blocking", true);
-            options.put("claim_id", comment.getClaimId());
-            options.put("amount", new DecimalFormat(Helper.SDK_AMOUNT_FORMAT, new DecimalFormatSymbols(Locale.US)).format(amount.doubleValue()));
-            options.put("tip", true);
-            Lbry.genericApiCall(Lbry.METHOD_SUPPORT_CREATE, options);
-
-            options = new HashMap<>();
-            options.put("comment", comment.getText());
-            options.put("claim_id", comment.getClaimId());
-            options.put("channel_id", comment.getChannelId());
-            options.put("channel_name", comment.getChannelName());
-            if (!Helper.isNullOrEmpty(comment.getParentId())) {
-                options.put("parent_id", comment.getParentId());
-            }
-            JSONObject jsonObject = (JSONObject) Lbry.genericApiCall(Lbry.METHOD_COMMENT_CREATE, options);
-            createdComment = Comment.fromJSONObject(jsonObject);
-        } catch (ApiCallException | ClassCastException | IOException | JSONException ex) {
-            error = ex;
-        }
-
-        return createdComment;
-    }
-
-    protected void onPostExecute(Comment createdComment) {
-        Helper.setViewVisibility(progressView, View.GONE);
-        if (handler != null) {
-            if (createdComment != null) {
-                handler.onSuccess(createdComment);
-            } else {
-                handler.onError(error);
-            }
-        }
-    }
-
-    public interface CommentCreateWithTipHandler {
-        void onSuccess(Comment createdComment);
-        void onError(Exception error);
-    }
-}

app/src/main/java/io/lbry/browser/tasks/CommentListTask.java

@@ -8,11 +8,13 @@ import org.json.JSONArray;
 import org.json.JSONObject;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
 import io.lbry.browser.model.Comment;
+import io.lbry.browser.utils.Comments;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
@@ -20,8 +22,8 @@ public class CommentListTask extends AsyncTask<Void, Void, List<Comment>> {
     private final int page;
     private final int pageSize;
     private final String claim;
-    private ProgressBar progressBar;
-    private CommentListHandler handler;
+    private final ProgressBar progressBar;
+    private final CommentListHandler handler;
     private Exception error;
 
     public CommentListTask(int page, int pageSize, String claim, ProgressBar progressBar, CommentListHandler handler) {
@@ -45,12 +47,13 @@ public class CommentListTask extends AsyncTask<Void, Void, List<Comment>> {
             options.put("claim_id", claim);
             options.put("page", page);
             options.put("page_size", pageSize);
+            options.put("hidden", false);
             options.put("include_replies", false);
             options.put("is_channel_signature_valid", true);
+            options.put("skip_validation", true);
             options.put("visible", true);
-            options.put("hidden", false);
 
-            JSONObject result = (JSONObject) Lbry.genericApiCall(Lbry.METHOD_COMMENT_LIST, options);
+            JSONObject result = (JSONObject) Lbry.parseResponse(Comments.performRequest(Lbry.buildJsonParams(options), "comment.List"));
             JSONArray items = result.getJSONArray("items");
 
             List<Comment> children = new ArrayList<>();
@@ -66,6 +69,9 @@ public class CommentListTask extends AsyncTask<Void, Void, List<Comment>> {
                 }
             }
 
+            // Sort all replies from oldest to newest at once
+            Collections.sort(children);
+
             for (Comment child : children) {
                 for (Comment parent : comments) {
                     if (parent.getId().equalsIgnoreCase(child.getParentId())) {

app/src/main/java/io/lbry/browser/tasks/FollowUnfollowTagTask.java

@@ -10,10 +10,10 @@ import io.lbry.browser.model.Tag;
 import io.lbry.browser.utils.Lbry;
 
 public class FollowUnfollowTagTask extends AsyncTask<Void, Void, Boolean> {
-    private Tag tag;
-    private boolean unfollowing;
-    private Context context;
-    private FollowUnfollowTagHandler handler;
+    private final Tag tag;
+    private final boolean unfollowing;
+    private final Context context;
+    private final FollowUnfollowTagHandler handler;
     private Exception error;
 
     public FollowUnfollowTagTask(Tag tag, boolean unfollowing, Context context, FollowUnfollowTagHandler handler) {

app/src/main/java/io/lbry/browser/tasks/LighthouseAutoCompleteTask.java

@@ -12,9 +12,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lighthouse;
 
 public class LighthouseAutoCompleteTask extends AsyncTask<Void, Void, List<UrlSuggestion>> {
-    private String text;
-    private AutoCompleteResultHandler handler;
-    private View progressView;
+    private final String text;
+    private final AutoCompleteResultHandler handler;
+    private final View progressView;
     private Exception error;
 
     public LighthouseAutoCompleteTask(String text, View progressView, AutoCompleteResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/LighthouseSearchTask.java

@@ -14,13 +14,13 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lighthouse;
 
 public class LighthouseSearchTask extends AsyncTask<Void, Void, List<Claim>> {
-    private String rawQuery;
-    private int size;
-    private int from;
-    private boolean nsfw;
-    private String relatedTo;
-    private ClaimSearchResultHandler handler;
-    private ProgressBar progressBar;
+    private final String rawQuery;
+    private final int size;
+    private final int from;
+    private final boolean nsfw;
+    private final String relatedTo;
+    private final ClaimSearchResultHandler handler;
+    private final ProgressBar progressBar;
     private Exception error;
 
     public LighthouseSearchTask(String rawQuery, int size, int from, boolean nsfw, String relatedTo, ProgressBar progressBar, ClaimSearchResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/LoadTagsTask.java

@@ -4,22 +4,16 @@ import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.os.AsyncTask;
-import android.view.View;
-import android.widget.ProgressBar;
 
 import java.util.List;
 
 import io.lbry.browser.MainActivity;
 import io.lbry.browser.data.DatabaseHelper;
-import io.lbry.browser.exceptions.LbryRequestException;
-import io.lbry.browser.exceptions.LbryResponseException;
-import io.lbry.browser.model.Claim;
 import io.lbry.browser.model.Tag;
-import io.lbry.browser.utils.Helper;
 
 public class LoadTagsTask extends AsyncTask<Void, Void, List<Tag>> {
-    private Context context;
-    private LoadTagsHandler handler;
+    private final Context context;
+    private final LoadTagsHandler handler;
     private Exception error;
 
     public LoadTagsTask(Context context, LoadTagsHandler handler) {

app/src/main/java/io/lbry/browser/tasks/MergeSubscriptionsTask.java

@@ -4,7 +4,6 @@ import android.content.Context;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.os.AsyncTask;
-import android.util.Log;
 
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -17,26 +16,25 @@ import java.util.Map;
 
 import io.lbry.browser.MainActivity;
 import io.lbry.browser.data.DatabaseHelper;
-import io.lbry.browser.exceptions.LbryUriException;
 import io.lbry.browser.exceptions.LbryioRequestException;
 import io.lbry.browser.exceptions.LbryioResponseException;
 import io.lbry.browser.model.lbryinc.Subscription;
-import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.LbryUri;
 import io.lbry.browser.utils.Lbryio;
-import okhttp3.Response;
 
 // background task to create a diff of local and remote subscriptions and try to merge
 public class MergeSubscriptionsTask extends AsyncTask<Void, Void, List<Subscription>> {
     private static final String TAG = "MergeSubscriptionsTask";
-    private Context context;
-    private List<Subscription> base;
+    private final Context context;
+    private final List<Subscription> base;
     private List<Subscription> diff;
-    private MergeSubscriptionsHandler handler;
+    private final MergeSubscriptionsHandler handler;
     private Exception error;
+    private final boolean replaceLocal;
 
-    public MergeSubscriptionsTask(List<Subscription> base, Context context, MergeSubscriptionsHandler handler) {
+    public MergeSubscriptionsTask(List<Subscription> base, boolean replaceLocal, Context context, MergeSubscriptionsHandler handler) {
         this.base = base;
+        this.replaceLocal = replaceLocal;
         this.context = context;
         this.handler = handler;
     }
@@ -53,10 +51,17 @@ public class MergeSubscriptionsTask extends AsyncTask<Void, Void, List<Subscript
                 db = ((MainActivity) context).getDbHelper().getWritableDatabase();
             }
             if (db != null) {
-                localSubs = DatabaseHelper.getSubscriptions(db);
-                for (Subscription sub : localSubs) {
-                    if (!combined.contains(sub)) {
-                        combined.add(sub);
+                if (replaceLocal) {
+                    DatabaseHelper.clearSubscriptions(db);
+                    for (Subscription sub : base) {
+                        DatabaseHelper.createOrUpdateSubscription(sub, db);
+                    }
+                } else {
+                    localSubs = DatabaseHelper.getSubscriptions(db);
+                    for (Subscription sub : localSubs) {
+                        if (!combined.contains(sub)) {
+                            combined.add(sub);
+                        }
                     }
                 }
             }
@@ -64,52 +69,55 @@ public class MergeSubscriptionsTask extends AsyncTask<Void, Void, List<Subscript
             // fetch remote subscriptions
             JSONArray array = (JSONArray) Lbryio.parseResponse(Lbryio.call("subscription", "list", context));
             if (array != null) {
+                // check for any remote subs that may have been removed, and unsubscribe from them
                 for (int i = 0; i < array.length(); i++) {
                     JSONObject item = array.getJSONObject(i);
+                    // TODO: Refactor by creating static Subscription.fromJSON method
                     String claimId = item.getString("claim_id");
                     String channelName = item.getString("channel_name");
+                    boolean isNotificationsDisabled  = item.getBoolean("is_notifications_disabled");
 
                     LbryUri url = new LbryUri();
                     url.setChannelName(channelName);
                     url.setClaimId(claimId);
-                    Subscription subscription = new Subscription(channelName, url.toString());
+                    Subscription subscription = new Subscription(channelName, url.toString(), isNotificationsDisabled);
                     remoteSubs.add(subscription);
                 }
             }
 
-            for (int i = 0; i < combined.size(); i++) {
-                Subscription local = combined.get(i);
-                if (!remoteSubs.contains(local)) {
-                    // add to remote subscriptions
-                    try {
-                        LbryUri uri = LbryUri.parse(local.getUrl());
+            List<Subscription> remoteUnsubs = new ArrayList<>();
+            List<Subscription> finalRemoteSubs = new ArrayList<>();
+            if (remoteSubs.size() > 0) {
+                for (int i = 0; i < remoteSubs.size(); i++) {
+                    Subscription sub = remoteSubs.get(i);
+                    if (!combined.contains(sub)) {
                         Map<String, String> options = new HashMap<>();
-                        String channelClaimId = uri.getChannelClaimId();
-                        String channelName = Helper.normalizeChannelName(local.getChannelName());
-                        if (!Helper.isNullOrEmpty(channelClaimId) && !Helper.isNullOrEmpty(channelName)) {
-                            options.put("claim_id", channelClaimId);
-                            options.put("channel_name", channelName);
-                            Lbryio.parseResponse(Lbryio.call("subscription", "new", options, context));
+                        LbryUri uri = LbryUri.tryParse(sub.getUrl());
+                        if (uri != null) {
+                            options.put("claim_id", uri.getChannelClaimId());
+                            Lbryio.parseResponse(Lbryio.call("subscription", "delete", options, context));
+                            remoteUnsubs.add(sub);
+                        } else {
+                            finalRemoteSubs.add(sub);
                         }
-                    } catch (LbryUriException | LbryioRequestException | LbryioResponseException ex) {
-                        // pass
-                        Log.e(TAG, String.format("subscription/new failed: %s", ex.getMessage()), ex);
                     }
                 }
             }
 
-            for (int i = 0; i < localSubs.size(); i++) {
-                Subscription local = localSubs.get(i);
-                if (!base.contains(local) && !diff.contains(local)) {
-                    diff.add(local);
+            if (!replaceLocal) {
+                for (int i = 0; i < localSubs.size(); i++) {
+                    Subscription local = localSubs.get(i);
+                    if (!base.contains(local) && !diff.contains(local)) {
+                        diff.add(local);
+                    }
                 }
-            }
-            for (int i = 0; i < remoteSubs.size(); i++) {
-                Subscription remote = remoteSubs.get(i);
-                if (!combined.contains(remote)) {
-                    combined.add(remote);
-                    if (!diff.contains(remote)) {
-                        diff.add(remote);
+                for (int i = 0; i < finalRemoteSubs.size(); i++) {
+                    Subscription remote = finalRemoteSubs.get(i);
+                    if (!combined.contains(remote)) {
+                        combined.add(remote);
+                        if (!diff.contains(remote)) {
+                            diff.add(remote);
+                        }
                     }
                 }
             }

app/src/main/java/io/lbry/browser/tasks/ReadTextFileTask.java

@@ -4,18 +4,15 @@ import android.os.AsyncTask;
 
 import java.io.BufferedReader;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
-import java.nio.Buffer;
 
 import io.lbry.browser.utils.Helper;
 
 public class ReadTextFileTask extends AsyncTask<Void, Void, String> {
-    private String filePath;
+    private final String filePath;
     private Exception error;
-    private ReadTextFileHandler handler;
+    private final ReadTextFileHandler handler;
     public ReadTextFileTask(String filePath, ReadTextFileHandler handler) {
         this.filePath = filePath;
         this.handler = handler;

app/src/main/java/io/lbry/browser/tasks/RewardVerifiedHandler.java

@@ -0,0 +1,8 @@
+package io.lbry.browser.tasks;
+
+import io.lbry.browser.model.lbryinc.RewardVerified;
+
+public interface RewardVerifiedHandler {
+    void onSuccess(RewardVerified rewardVerified);
+    void onError(Exception error);
+}

app/src/main/java/io/lbry/browser/tasks/SetSdkSettingTask.java

@@ -9,9 +9,9 @@ import io.lbry.browser.exceptions.ApiCallException;
 import io.lbry.browser.utils.Lbry;
 
 public class SetSdkSettingTask extends AsyncTask<Void, Void, Boolean> {
-    private String key;
-    private String value;
-    private GenericTaskHandler handler;
+    private final String key;
+    private final String value;
+    private final GenericTaskHandler handler;
     private Exception error;
     public SetSdkSettingTask(String key, String value, GenericTaskHandler handler) {
         this.key = key;

app/src/main/java/io/lbry/browser/tasks/TwitterOauthHandler.java

@@ -0,0 +1,8 @@
+package io.lbry.browser.tasks;
+
+import io.lbry.browser.model.TwitterOauth;
+
+public interface TwitterOauthHandler {
+    void onSuccess(TwitterOauth twitterOauth);
+    void onError(Exception error);
+}

app/src/main/java/io/lbry/browser/tasks/UpdateSuggestedTagsTask.java

@@ -13,13 +13,13 @@ import io.lbry.browser.utils.Lbry;
 
 public class UpdateSuggestedTagsTask extends AsyncTask<Void, Void, List<Tag>> {
 
-    private boolean clearPrevious;
-    private boolean excludeMature;
-    private int limit;
-    private String filter;
-    private TagListAdapter addedTagsAdapter;
-    private TagListAdapter suggestedTagsAdapter;
-    private KnownTagsHandler handler;
+    private final boolean clearPrevious;
+    private final boolean excludeMature;
+    private final int limit;
+    private final String filter;
+    private final TagListAdapter addedTagsAdapter;
+    private final TagListAdapter suggestedTagsAdapter;
+    private final KnownTagsHandler handler;
 
     public UpdateSuggestedTagsTask(
             String filter,

app/src/main/java/io/lbry/browser/tasks/UploadImageTask.java

@@ -21,9 +21,9 @@ import okhttp3.RequestBody;
 import okhttp3.Response;
 
 public class UploadImageTask extends AsyncTask<Void, Void, String> {
-    private String filePath;
-    private View progressView;
-    private UploadThumbnailHandler handler;
+    private final String filePath;
+    private final View progressView;
+    private final UploadThumbnailHandler handler;
     private Exception error;
 
     public UploadImageTask(String filePath, View progressView, UploadThumbnailHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/AbandonChannelTask.java

@@ -11,17 +11,16 @@ import java.util.List;
 import java.util.Map;
 
 import io.lbry.browser.exceptions.ApiCallException;
-import io.lbry.browser.tasks.GenericTaskHandler;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class AbandonChannelTask extends AsyncTask<Void, Void, Boolean> {
-    private List<String> claimIds;
+    private final List<String> claimIds;
     private List<String> successfulClaimIds;
     private List<String> failedClaimIds;
     private List<Exception> failedExceptions;
-    private View progressView;
-    private AbandonHandler handler;
+    private final View progressView;
+    private final AbandonHandler handler;
 
     public AbandonChannelTask(List<String> claimIds, View progressView, AbandonHandler handler) {
         this.claimIds = claimIds;

app/src/main/java/io/lbry/browser/tasks/claim/AbandonStreamTask.java

@@ -11,17 +11,16 @@ import java.util.List;
 import java.util.Map;
 
 import io.lbry.browser.exceptions.ApiCallException;
-import io.lbry.browser.tasks.GenericTaskHandler;
 import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class AbandonStreamTask extends AsyncTask<Void, Void, Boolean> {
-    private List<String> claimIds;
+    private final List<String> claimIds;
     private List<String> successfulClaimIds;
     private List<String> failedClaimIds;
     private List<Exception> failedExceptions;
-    private View progressView;
-    private AbandonHandler handler;
+    private final View progressView;
+    private final AbandonHandler handler;
 
     public AbandonStreamTask(List<String> claimIds, View progressView, AbandonHandler handler) {
         this.claimIds = claimIds;

app/src/main/java/io/lbry/browser/tasks/claim/ChannelCreateUpdateTask.java

@@ -21,12 +21,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ChannelCreateUpdateTask extends AsyncTask<Void, Void, Claim> {
-    private Claim claim;
-    private BigDecimal deposit;
-    private boolean update;
+    private final Claim claim;
+    private final BigDecimal deposit;
+    private final boolean update;
     private Exception error;
-    private ClaimResultHandler handler;
-    private View progressView;
+    private final ClaimResultHandler handler;
+    private final View progressView;
 
     public ChannelCreateUpdateTask(Claim claim, BigDecimal deposit, boolean update, View progressView, ClaimResultHandler handler) {
         this.claim = claim;

app/src/main/java/io/lbry/browser/tasks/claim/ClaimListTask.java

@@ -19,9 +19,9 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ClaimListTask extends AsyncTask<Void, Void, List<Claim>> {
-    private List<String> types;
-    private View progressView;
-    private ClaimListResultHandler handler;
+    private final List<String> types;
+    private final View progressView;
+    private final ClaimListResultHandler handler;
     private Exception error;
 
     public ClaimListTask(String type, View progressView, ClaimListResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/ClaimSearchTask.java

@@ -12,10 +12,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ClaimSearchTask extends AsyncTask<Void, Void, List<Claim>> {
-    private Map<String, Object> options;
-    private String connectionString;
-    private ClaimSearchResultHandler handler;
-    private View progressView;
+    private final Map<String, Object> options;
+    private final String connectionString;
+    private final ClaimSearchResultHandler handler;
+    private final View progressView;
     private ApiCallException error;
 
     public ClaimSearchTask(Map<String, Object> options, String connectionString, View progressView, ClaimSearchResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/PublishClaimTask.java

@@ -21,10 +21,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class PublishClaimTask extends AsyncTask<Void, Void, Claim> {
-    private Claim claim;
-    private String filePath;
-    private View progressView;
-    private ClaimResultHandler handler;
+    private final Claim claim;
+    private final String filePath;
+    private final View progressView;
+    private final ClaimResultHandler handler;
     private Exception error;
     public PublishClaimTask(Claim claim, String filePath, View progressView, ClaimResultHandler handler) {
         this.claim = claim;

app/src/main/java/io/lbry/browser/tasks/claim/PurchaseListTask.java

@@ -21,8 +21,8 @@ public class PurchaseListTask extends AsyncTask<Void, Void, List<Claim>> {
     private String claimId;
     private int page;
     private int pageSize;
-    private ClaimSearchResultHandler handler;
-    private View progressView;
+    private final ClaimSearchResultHandler handler;
+    private final View progressView;
     private Exception error;
 
     public PurchaseListTask(String claimId, View progressView, ClaimSearchResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/ResolveTask.java

@@ -13,10 +13,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class ResolveTask extends AsyncTask<Void, Void, List<Claim>> {
-    private List<String> urls;
-    private String connectionString;
-    private ClaimListResultHandler handler;
-    private View progressView;
+    private final List<String> urls;
+    private final String connectionString;
+    private final ClaimListResultHandler handler;
+    private final View progressView;
     private ApiCallException error;
 
     public ResolveTask(String url, String connectionString, View progressView, ClaimListResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/claim/StreamRepostTask.java

@@ -20,12 +20,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class StreamRepostTask extends AsyncTask<Void, Void, Claim> {
-    private String name;
-    private BigDecimal bid;
-    private String claimId;
-    private String channelId;
-    private View progressView;
-    private ClaimResultHandler handler;
+    private final String name;
+    private final BigDecimal bid;
+    private final String claimId;
+    private final String channelId;
+    private final View progressView;
+    private final ClaimResultHandler handler;
     private Exception error;
 
     public StreamRepostTask(String name, BigDecimal bid, String claimId, String channelId, View progressView, ClaimResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/file/BulkDeleteFilesTask.java

@@ -7,12 +7,11 @@ import java.util.List;
 import java.util.Map;
 
 import io.lbry.browser.exceptions.ApiCallException;
-import io.lbry.browser.tasks.GenericTaskHandler;
 import io.lbry.browser.utils.Lbry;
 
 // Just run delete on the specified claim IDs (no need for a handler)
 public class BulkDeleteFilesTask extends AsyncTask<Void, Void, Boolean> {
-    private List<String> claimIds;
+    private final List<String> claimIds;
     public BulkDeleteFilesTask(List<String> claimIds) {
         this.claimIds = claimIds;
     }

app/src/main/java/io/lbry/browser/tasks/file/DeleteFileTask.java

@@ -10,9 +10,9 @@ import io.lbry.browser.tasks.GenericTaskHandler;
 import io.lbry.browser.utils.Lbry;
 
 public class DeleteFileTask extends AsyncTask<Void, Void, Boolean> {
-    private String claimId;
+    private final String claimId;
     private Exception error;
-    private GenericTaskHandler handler;
+    private final GenericTaskHandler handler;
 
     public DeleteFileTask(String claimId, GenericTaskHandler handler) {
         this.claimId = claimId;

app/src/main/java/io/lbry/browser/tasks/file/FileListTask.java

@@ -11,12 +11,12 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class FileListTask extends AsyncTask<Void, Void, List<LbryFile>> {
-    private String claimId;
+    private final String claimId;
     private boolean downloads;
     private int page;
     private int pageSize;
-    private FileListResultHandler handler;
-    private View progressView;
+    private final FileListResultHandler handler;
+    private final View progressView;
     private ApiCallException error;
 
     public FileListTask(int page, int pageSize, boolean downloads, View progressView, FileListResultHandler handler) {

app/src/main/java/io/lbry/browser/tasks/file/GetFileTask.java

@@ -14,10 +14,10 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbry;
 
 public class GetFileTask extends AsyncTask<Void, Void, LbryFile> {
-    private String uri;
-    private boolean saveFile;
-    private View progressView;
-    private GetFileHandler handler;
+    private final String uri;
+    private final boolean saveFile;
+    private final View progressView;
+    private final GetFileHandler handler;
     private Exception error;
 
     public GetFileTask(String uri, boolean saveFile, View progressView, GetFileHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/AndroidPurchaseTask.java

@@ -0,0 +1,66 @@
+package io.lbry.browser.tasks.lbryinc;
+
+import android.content.Context;
+import android.os.AsyncTask;
+import android.view.View;
+
+import com.google.gson.FieldNamingPolicy;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+
+import org.json.JSONObject;
+
+import java.lang.reflect.Type;
+import java.util.HashMap;
+import java.util.Map;
+
+import io.lbry.browser.model.lbryinc.RewardVerified;
+import io.lbry.browser.tasks.RewardVerifiedHandler;
+import io.lbry.browser.utils.Helper;
+import io.lbry.browser.utils.Lbryio;
+
+public class AndroidPurchaseTask extends AsyncTask<Void, Void, RewardVerified> {
+    private final Context context;
+    private final View progressView;
+    private final String purchaseToken;
+    private final RewardVerifiedHandler handler;
+    private Exception error;
+
+    public AndroidPurchaseTask(String purchaseToken, View progressView, Context context, RewardVerifiedHandler handler) {
+        this.purchaseToken = purchaseToken;
+        this.progressView = progressView;
+        this.context = context;
+        this.handler = handler;
+    }
+
+    protected void onPreExecute() {
+        Helper.setViewVisibility(progressView, View.VISIBLE);
+    }
+
+    protected RewardVerified doInBackground(Void... params) {
+        try {
+            Map<String, String> options = new HashMap<>();
+            options.put("purchase_token", purchaseToken);
+
+            JSONObject object = (JSONObject) Lbryio.parseResponse(Lbryio.call("verification", "android_purchase", options, context));
+            Type type = new TypeToken<RewardVerified>(){}.getType();
+            Gson gson = new GsonBuilder().setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES).create();
+            return gson.fromJson(object.toString(), type);
+        } catch (Exception ex) {
+            error = ex;
+            return null;
+        }
+    }
+
+    protected void onPostExecute(RewardVerified result) {
+        Helper.setViewVisibility(progressView, View.GONE);
+        if (handler != null) {
+            if (result != null) {
+                handler.onSuccess(result);
+            } else {
+                handler.onError(error);
+            }
+        }
+    }
+}

app/src/main/java/io/lbry/browser/tasks/lbryinc/ChannelSubscribeTask.java

@@ -13,16 +13,15 @@ import io.lbry.browser.data.DatabaseHelper;
 import io.lbry.browser.exceptions.LbryioRequestException;
 import io.lbry.browser.exceptions.LbryioResponseException;
 import io.lbry.browser.model.lbryinc.Subscription;
-import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class ChannelSubscribeTask extends AsyncTask<Void, Void, Boolean> {
-    private Context context;
-    private String channelClaimId;
-    private Subscription subscription;
-    private ChannelSubscribeHandler handler;
+    private final Context context;
+    private final String channelClaimId;
+    private final Subscription subscription;
+    private final ChannelSubscribeHandler handler;
     private Exception error;
-    private boolean isUnsubscribing;
+    private final boolean isUnsubscribing;
 
     public ChannelSubscribeTask(Context context, String channelClaimId, Subscription subscription, boolean isUnsubscribing, ChannelSubscribeHandler handler) {
         this.context = context;
@@ -51,11 +50,11 @@ public class ChannelSubscribeTask extends AsyncTask<Void, Void, Boolean> {
             options.put("claim_id", channelClaimId);
             if (!isUnsubscribing) {
                 options.put("channel_name", subscription.getChannelName());
+                options.put("notifications_disabled", String.valueOf(subscription.isNotificationsDisabled()).toLowerCase());
             }
 
             String action = isUnsubscribing ? "delete" : "new";
-            Lbryio.call("subscription", action, options, context);
-
+            Object response = Lbryio.parseResponse(Lbryio.call("subscription", action, options, context));
             if (!isUnsubscribing) {
                 Lbryio.addSubscription(subscription);
             } else {

app/src/main/java/io/lbry/browser/tasks/lbryinc/ClaimRewardTask.java

@@ -9,7 +9,6 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.text.DecimalFormat;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -25,12 +24,12 @@ import io.lbry.browser.utils.Lbryio;
 
 public class ClaimRewardTask extends AsyncTask<Void, Void, String> {
 
-    private Context context;
-    private String type;
-    private String rewardCode;
-    private View progressView;
+    private final Context context;
+    private final String type;
+    private final String rewardCode;
+    private final View progressView;
     private double amountClaimed;
-    private ClaimRewardHandler handler;
+    private final ClaimRewardHandler handler;
     private Exception error;
 
     public ClaimRewardTask(String type, String rewardCode, View progressView, Context context, ClaimRewardHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchCurrentUserTask.java

@@ -1,20 +1,23 @@
 package io.lbry.browser.tasks.lbryinc;
 
+import android.content.Context;
 import android.os.AsyncTask;
 
 import io.lbry.browser.model.lbryinc.User;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchCurrentUserTask extends AsyncTask<Void, Void, User> {
+    private final Context context;
     private Exception error;
-    private FetchUserTaskHandler handler;
+    private final FetchUserTaskHandler handler;
 
-    public FetchCurrentUserTask(FetchUserTaskHandler handler) {
+    public FetchCurrentUserTask(Context context, FetchUserTaskHandler handler) {
+        this.context = context;
         this.handler = handler;
     }
     protected User doInBackground(Void... params) {
         try {
-            return Lbryio.fetchCurrentUser(null);
+            return Lbryio.fetchCurrentUser(context);
         } catch (Exception ex) {
             error = ex;
             return null;

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchInviteStatusTask.java

@@ -17,8 +17,8 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchInviteStatusTask extends AsyncTask<Void, Void, List<Invitee>> {
-    private FetchInviteStatusHandler handler;
-    private View progressView;
+    private final FetchInviteStatusHandler handler;
+    private final View progressView;
     private Exception error;
 
     public FetchInviteStatusTask(View progressView, FetchInviteStatusHandler handler) {

app/src/main/java/io/lbry/browser/tasks/lbryinc/FetchReferralCodeTask.java

@@ -12,8 +12,8 @@ import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.Lbryio;
 
 public class FetchReferralCodeTask extends AsyncTask<Void, Void, String> {
-    private FetchReferralCodeHandler handler;
-    private View progressView;
+    private final FetchReferralCodeHandler handler;
+    private final View progressView;
     private Exception error;
 
     public FetchReferralCodeTask(View progressView, FetchReferralCodeHandler handler) {