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

@@ -12,10 +12,6 @@ import androidx.core.app.NotificationCompat;
 import androidx.core.app.NotificationManagerCompat;
 import androidx.core.content.ContextCompat;
 
-import com.facebook.react.bridge.ReactApplicationContext;
-import com.facebook.react.bridge.ReactContextBaseJavaModule;
-import com.facebook.react.bridge.ReactMethod;
-
 import io.lbry.browser.receivers.NotificationDeletedReceiver;
 import io.lbry.lbrysdk.LbrynetService;
 

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

@@ -116,7 +116,8 @@ public class LbrynetMessagingService extends FirebaseMessagingService {
         } else {
             if (!MainActivity.isServiceRunning(this, LbrynetService.class) &&
                     contentTitle != null &&
-                    channelUrl != null
+                    channelUrl != null &&
+                    !url.startsWith("lbry://?") /* not a special url */
             ) {
                 // only enter lite mode when contentTitle and channelUrl are set (and the service isn't running yet)
                 // cold start

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

@@ -3,6 +3,7 @@ package io.lbry.browser;
 import android.annotation.SuppressLint;
 import android.annotation.TargetApi;
 import android.app.PendingIntent;
+import android.os.AsyncTask;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
@@ -18,6 +19,7 @@ import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.Manifest;
 import android.net.Uri;
+import android.os.Handler;
 import android.provider.DocumentsContract;
 import android.provider.MediaStore;
 import android.provider.Settings;
@@ -62,10 +64,12 @@ import io.lbry.browser.reactpackages.LbryReactPackage;
 import io.lbry.browser.reactmodules.BackgroundMediaModule;
 import io.lbry.lbrysdk.LbrynetService;
 import io.lbry.lbrysdk.ServiceHelper;
+import io.lbry.lbrysdk.Utils;
 
 import java.io.File;
 import java.io.UnsupportedEncodingException;
 import java.math.BigInteger;
+import java.net.ConnectException;
 import java.net.URISyntaxException;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
@@ -84,51 +88,34 @@ import org.reactnative.camera.RNCameraPackage;
 public class MainActivity extends FragmentActivity implements DefaultHardwareBackBtnHandler, PermissionAwareActivity {
 
     private static Activity currentActivity = null;
-
     private static final int OVERLAY_PERMISSION_REQ_CODE = 101;
-
     private static final int STORAGE_PERMISSION_REQ_CODE = 201;
-
     private static final int PHONE_STATE_PERMISSION_REQ_CODE = 202;
-
     private static final int RECEIVE_SMS_PERMISSION_REQ_CODE = 203;
-
     public static final int DOCUMENT_PICKER_RESULT_CODE = 301;
+    public static final String SHARED_PREFERENCES_NAME = "LBRY";
+    public static final String SALT_KEY = "salt";
+    public static final String DEVICE_ID_KEY = "deviceId";
+    public static final String SOURCE_NOTIFICATION_ID_KEY = "sourceNotificationId";
+    public static final String SETTING_KEEP_DAEMON_RUNNING = "keepDaemonRunning";
+    public static List<Integer> downloadNotificationIds = new ArrayList<Integer>();
 
     private BroadcastReceiver notificationsReceiver;
-
     private BroadcastReceiver smsReceiver;
-
     private BroadcastReceiver stopServiceReceiver;
-
     private BroadcastReceiver downloadEventReceiver;
-
     private FirebaseAnalytics firebaseAnalytics;
-
     private ReactRootView mReactRootView;
-
     private ReactInstanceManager mReactInstanceManager;
 
-    public static final String SHARED_PREFERENCES_NAME = "LBRY";
-
-    public static final String SALT_KEY = "salt";
-
-    public static final String DEVICE_ID_KEY = "deviceId";
-
-    public static final String SOURCE_NOTIFICATION_ID_KEY = "sourceNotificationId";
-
-    public static final String SETTING_KEEP_DAEMON_RUNNING = "keepDaemonRunning";
-
-    public static List<Integer> downloadNotificationIds = new ArrayList<Integer>();
-
     /**
      * Flag which indicates whether or not the service is running. Will be updated in the
      * onResume method.
      */
     private boolean serviceRunning;
-
+    private CheckSdkReadyTask checkSdkReadyTask;
+    private boolean lbrySdkReady;
     private boolean receivedStopService;
-
     private PermissionListener permissionListener;
 
     protected String getMainComponentName() {
@@ -158,12 +145,12 @@ public class MainActivity extends FragmentActivity implements DefaultHardwareBac
         // Check the dht setting
         SharedPreferences sp = getSharedPreferences(MainActivity.SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
         LbrynetService.setDHTEnabled(sp.getBoolean(UtilityModule.DHT_ENABLED, false));
-
         serviceRunning = isServiceRunning(this, LbrynetService.class);
         if (!serviceRunning) {
             CurrentLaunchTiming.setColdStart(true);
             ServiceHelper.start(this, "", LbrynetService.class, "lbrynetservice");
         }
+        checkSdkReady();
 
         if (LbrynetService.serviceInstance != null) {
             // TODO: Add a broadcast receiver to listen for  the service started event, so that we can set this properly
@@ -203,6 +190,22 @@ public class MainActivity extends FragmentActivity implements DefaultHardwareBac
         setContentView(mReactRootView);
     }
 
+    private void checkSdkReady() {
+        if (!lbrySdkReady) {
+            new Handler().postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    if (checkSdkReadyTask != null && checkSdkReadyTask.getStatus() != AsyncTask.Status.FINISHED) {
+                        // task already running
+                        return;
+                    }
+                    checkSdkReadyTask = new CheckSdkReadyTask();
+                    checkSdkReadyTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+                }
+            }, 1000);
+        }
+    }
+
     private void checkNotificationOpenIntent(Intent intent) {
         if (intent != null) {
             String notificationName = intent.getStringExtra("notification_name");
@@ -477,10 +480,13 @@ public class MainActivity extends FragmentActivity implements DefaultHardwareBac
         super.onResume();
 
         SharedPreferences sp = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
+        LbrynetService.setDHTEnabled(sp.getBoolean(UtilityModule.DHT_ENABLED, false));
+
         serviceRunning = isServiceRunning(this, LbrynetService.class);
         if (!serviceRunning) {
             ServiceHelper.start(this, "", LbrynetService.class, "lbrynetservice");
         }
+        checkSdkReady();
 
         if (mReactInstanceManager != null) {
             mReactInstanceManager.onHostResume(this, this);
@@ -684,7 +690,6 @@ public class MainActivity extends FragmentActivity implements DefaultHardwareBac
      */
     @SuppressLint("NewApi")
     public static String getRealPathFromURI_API19(final Context context, final Uri uri) {
-
         final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
 
         // DocumentProvider
@@ -835,6 +840,51 @@ public class MainActivity extends FragmentActivity implements DefaultHardwareBac
     public static boolean isGooglePhotosUri(Uri uri) {
         return "com.google.android.apps.photos.content".equals(uri.getAuthority());
     }
+
+    private class CheckSdkReadyTask extends AsyncTask<Void, Void, Boolean> {
+
+        public Boolean doInBackground(Void... params) {
+            boolean sdkReady = false;
+            try {
+                String response = Utils.sdkCall("status");
+                if (response != null) {
+                    JSONObject result = new JSONObject(response);
+                    JSONObject status = result.getJSONObject("result");
+
+                    // send status response for splash page updates
+                    WritableMap sdkStatus = JSONObjectToMap(status);
+                    ReactContext reactContext = mReactInstanceManager.getCurrentReactContext();
+                    if (reactContext != null) {
+                        WritableMap evtParams = Arguments.createMap();
+                        evtParams.putMap("status", sdkStatus);
+                        reactContext.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class).emit("onSdkStatusResponse", evtParams);
+                    }
+
+                    JSONObject startupStatus = status.getJSONObject("startup_status");
+                    sdkReady = startupStatus.has("stream_manager") && startupStatus.has("wallet") &&
+                            startupStatus.getBoolean("stream_manager") && startupStatus.getBoolean("wallet") &&
+                            (status.getJSONObject("wallet").getLong("blocks_behind") <= 0);
+                }
+            } catch (ConnectException ex) {
+                // pass
+            } catch (JSONException ex) {
+                // pass
+            }
+
+            return sdkReady;
+        }
+        protected void onPostExecute(Boolean sdkReady) {
+            lbrySdkReady = sdkReady;
+            ReactContext reactContext = mReactInstanceManager.getCurrentReactContext();
+            if (sdkReady && reactContext != null) {
+                reactContext.getJSModule(DeviceEventManagerModule.RCTDeviceEventEmitter.class).emit("onSdkReady", null);
+            }
+
+            if (!sdkReady) {
+                checkSdkReady();
+            }
+        }
+    }
     
     public static class LaunchTiming {
         private Date start;

app/src/main/java/io/lbry/browser/reactmodules/UtilityModule.java

@@ -34,6 +34,7 @@ import java.io.Closeable;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.PrintStream;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Random;
@@ -93,6 +94,7 @@ public class UtilityModule extends ReactContextBaseJavaModule {
     public Map<String, Object> getConstants() {
         final Map<String, Object> constants = MapBuilder.newHashMap();
         constants.put("language", language);
+        constants.put("dhtEnabled", LbrynetService.isDHTEnabled());
         return constants;
     }
 
@@ -422,13 +424,34 @@ public class UtilityModule extends ReactContextBaseJavaModule {
     }
 
     @ReactMethod
-    public void setNativeBooleanSetting(String key, boolean value) {
+    public void setNativeBooleanSetting(String key, final boolean value) {
         if (context != null) {
             SharedPreferences sp = context.getSharedPreferences(MainActivity.SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
             SharedPreferences.Editor editor = sp.edit();
             editor.putBoolean(key, value);
             editor.commit();
         }
+
+        if (DHT_ENABLED.equalsIgnoreCase(key)) {
+            (new AsyncTask<Void, Void, Void>() {
+                protected Void doInBackground(Void... params) {
+                    String fileContent = value ? "on" : "off";
+                    String path = String.format("%s/%s", Utils.getAppInternalStorageDir(context), "dht");
+                    PrintStream out = null;
+                    try {
+                        out = new PrintStream(new FileOutputStream(path));
+                        out.print(fileContent);
+                    } catch (Exception ex) {
+                        // pass
+                    } finally {
+                        if (out != null) {
+                            out.close();
+                        }
+                    }
+                    return null;
+                }
+            }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+        }
     }
 
     @ReactMethod