1 files changed, 35 insertions, 1 deletions
diff --git a/src/com/android/launcher3/settings/SettingsActivity.java b/src/com/android/launcher3/settings/SettingsActivity.java
index 6e7188f3c..18b6094fb 100644
--- a/src/com/android/launcher3/settings/SettingsActivity.java
+++ b/src/com/android/launcher3/settings/SettingsActivity.java
@@ -24,6 +24,10 @@ import static com.android.launcher3.util.SecureSettingsObserver.newNotificationS
 import android.app.Activity;
 import android.app.DialogFragment;
 import android.app.Fragment;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.text.TextUtils;
@@ -32,6 +36,7 @@ import com.android.launcher3.LauncherFiles;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.graphics.GridOptionsProvider;
 import com.android.launcher3.uioverrides.plugins.PluginManagerWrapper;
 import com.android.launcher3.util.SecureSettingsObserver;
 
@@ -47,7 +52,8 @@ import androidx.recyclerview.widget.RecyclerView;
  * Settings activity for Launcher. Currently implements the following setting: Allow rotation
  */
 public class SettingsActivity extends Activity
-        implements OnPreferenceStartFragmentCallback, OnPreferenceStartScreenCallback {
+        implements OnPreferenceStartFragmentCallback, OnPreferenceStartScreenCallback,
+        SharedPreferences.OnSharedPreferenceChangeListener{
 
     private static final String DEVELOPER_OPTIONS_KEY = "pref_developer_options";
     private static final String FLAGS_PREFERENCE_KEY = "flag_toggler";
@@ -61,6 +67,8 @@ public class SettingsActivity extends Activity
     private static final int DELAY_HIGHLIGHT_DURATION_MILLIS = 600;
     public static final String SAVE_HIGHLIGHTED_KEY = "android:preference_highlighted";
 
+    public static final String GRID_OPTIONS_PREFERENCE_KEY = "pref_grid_options";
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -79,6 +87,28 @@ public class SettingsActivity extends Activity
                     .replace(android.R.id.content, f)
                     .commit();
         }
+        Utilities.getPrefs(getApplicationContext()).registerOnSharedPreferenceChangeListener(this);
+    }
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if (GRID_OPTIONS_PREFERENCE_KEY.equals(key)) {
+
+            final ComponentName cn = new ComponentName(getApplicationContext(),
+                    GridOptionsProvider.class);
+            Context c = getApplicationContext();
+            int oldValue = c.getPackageManager().getComponentEnabledSetting(cn);
+            int newValue;
+            if (Utilities.getPrefs(c).getBoolean(GRID_OPTIONS_PREFERENCE_KEY, false)) {
+                newValue = PackageManager.COMPONENT_ENABLED_STATE_ENABLED;
+            } else {
+                newValue = PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
+            }
+
+            if (oldValue != newValue) {
+                c.getPackageManager().setComponentEnabledSetting(cn, newValue,
+                        PackageManager.DONT_KILL_APP);
+            }
+        }
     }
 
     private boolean startFragment(String fragment, Bundle args, String key) {
@@ -200,6 +230,10 @@ public class SettingsActivity extends Activity
                     // Show if plugins are enabled or flag UI is enabled.
                     return FeatureFlags.showFlagTogglerUi(getContext()) ||
                             PluginManagerWrapper.hasPlugins(getContext());
+                case GRID_OPTIONS_PREFERENCE_KEY:
+                    return Utilities.isDevelopersOptionsEnabled(getContext()) &&
+                            Utilities.IS_DEBUG_DEVICE &&
+                            Utilities.existsStyleWallpapers(getContext());
             }
 
             return true;