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

@@ -245,7 +245,7 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
     // preference keys
     public static final String PREFERENCE_KEY_DARK_MODE = "io.lbry.browser.preference.userinterface.DarkMode";
     public static final String PREFERENCE_KEY_SHOW_MATURE_CONTENT = "io.lbry.browser.preference.userinterface.ShowMatureContent";
-    public static final String PREFERENCE_KEY_NOTIFICATION_URL_SUGGESTIONS = "io.lbry.browser.preference.userinterface.UrlSuggestions";
+    public static final String PREFERENCE_KEY_SHOW_URL_SUGGESTIONS = "io.lbry.browser.preference.userinterface.UrlSuggestions";
     public static final String PREFERENCE_KEY_NOTIFICATION_SUBSCRIPTIONS = "io.lbry.browser.preference.notifications.Subscriptions";
     public static final String PREFERENCE_KEY_NOTIFICATION_REWARDS = "io.lbry.browser.preference.notifications.Rewards";
     public static final String PREFERENCE_KEY_NOTIFICATION_CONTENT_INTERESTS = "io.lbry.browser.preference.notifications.ContentInterests";
@@ -366,13 +366,6 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
                                 0, insets.getSystemWindowInsetBottom()));
             }
         });
-        /*ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.url_suggestions_container), new OnApplyWindowInsetsListener() {
-            @Override
-            public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
-                return ViewCompat.onApplyWindowInsets(v,
-                        insets.replaceSystemWindowInsets(0, 0,0, insets.getSystemWindowInsetBottom()));
-            }
-        });*/
 
         // register receivers
         registerRequestsReceiver();
@@ -789,6 +782,12 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
         stopExoplayer();
         nowPlayingClaim = null;
         nowPlayingClaimUrl = null;
+        appStarted = false;
+
+        if (!keepSdkBackground()) {
+            sendBroadcast(new Intent(LbrynetService.ACTION_STOP_SERVICE));
+        }
+
         super.onDestroy();
     }
 
@@ -915,6 +914,17 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
         return Helper.getScaledValue(value, scale);
     }
 
+
+    public boolean canShowUrlSuggestions() {
+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+        return sp.getBoolean(MainActivity.PREFERENCE_KEY_SHOW_URL_SUGGESTIONS, false);
+    }
+
+    public boolean keepSdkBackground() {
+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
+        return sp.getBoolean(MainActivity.PREFERENCE_KEY_KEEP_SDK_BACKGROUND, true);
+    }
+
     private void setupUriBar() {
         findViewById(R.id.wunderbar_close).setOnClickListener(new View.OnClickListener() {
             @Override
@@ -931,11 +941,14 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
                     InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
                     imm.showSoftInput(view, 0);
                 }
+
+                if (canShowUrlSuggestions()) {
                     toggleUrlSuggestions(hasFocus);
                     if (hasFocus && Helper.isNullOrEmpty(Helper.getValue(((EditText) view).getText()))) {
                         displayUrlSuggestionsForNoInput();
                     }
                 }
+            }
         });
 
         wunderbar.addTextChangedListener(new TextWatcher() {
@@ -946,7 +959,7 @@ public class MainActivity extends AppCompatActivity implements SdkStatusListener
 
             @Override
             public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
-                if (charSequence != null) {
+                if (charSequence != null && canShowUrlSuggestions()) {
                     handleUriInputChanged(charSequence.toString().trim());
                 }
             }

app/src/main/java/io/lbry/browser/ui/other/SettingsFragment.java

@@ -2,6 +2,7 @@ package io.lbry.browser.ui.other;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.os.AsyncTask;
 import android.os.Bundle;
 
 import androidx.appcompat.app.ActionBar;
@@ -9,9 +10,14 @@ import androidx.appcompat.app.AppCompatDelegate;
 import androidx.preference.PreferenceFragmentCompat;
 import androidx.preference.PreferenceManager;
 
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+
 import io.lbry.browser.MainActivity;
 import io.lbry.browser.R;
+import io.lbry.browser.utils.Helper;
 import io.lbry.browser.utils.LbryAnalytics;
+import io.lbry.lbrysdk.Utils;
 
 public class SettingsFragment extends PreferenceFragmentCompat implements SharedPreferences.OnSharedPreferenceChangeListener {
     @Override
@@ -69,6 +75,29 @@ public class SettingsFragment extends PreferenceFragmentCompat implements Shared
         if (key.equalsIgnoreCase(MainActivity.PREFERENCE_KEY_DARK_MODE)) {
             boolean darkMode = sp.getBoolean(MainActivity.PREFERENCE_KEY_DARK_MODE, false);
             AppCompatDelegate.setDefaultNightMode(darkMode ? AppCompatDelegate.MODE_NIGHT_YES : AppCompatDelegate.MODE_NIGHT_NO);
+        } else if (key.equalsIgnoreCase(MainActivity.PREFERENCE_KEY_PARTICIPATE_DATA_NETWORK)) {
+            boolean dhtEnabled = sp.getBoolean(MainActivity.PREFERENCE_KEY_PARTICIPATE_DATA_NETWORK, false);
+            updateDHTFileSetting(dhtEnabled);
         }
     }
+
+    private void updateDHTFileSetting(final boolean enabled) {
+        Context context = getContext();
+        (new AsyncTask<Void, Void, Void>() {
+            protected Void doInBackground(Void... params) {
+                PrintStream out = null;
+                try {
+                    String fileContent = enabled ? "on" : "off";
+                    String path = String.format("%s/%s", Utils.getAppInternalStorageDir(context), "dht");
+                    out = new PrintStream(new FileOutputStream(path));
+                    out.print(fileContent);
+                } catch (Exception ex) {
+                    // pass
+                } finally {
+                    Helper.closeCloseable(out);
+                }
+                return null;
+            }
+        }).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+    }
 }

app/src/main/res/values/strings.xml

@@ -215,7 +215,7 @@
     <string name="content_interests">Content Interests</string>
 
     <string name="keep_sdk_in_background">Keep the LBRY service running in the background for improved wallet and network performance</string>
-    <string name="participate_in_data_network">Participate in the data network</string>
+    <string name="participate_in_data_network">Participate in the data network (requires app and background service restart)</string>
 
     <!-- URL suggestions -->
     <string name="search_url_title">%1$s - Search</string>