commit 799aa04f2f961742a2f99bc0dc5a19f6bbbe2f56
author Rahul Chaturvedi <rkc@google.com> Mon Jun 01 21:26:41 2015 -0400
committer Rahul Chaturvedi <rkc@google.com> Thu Jun 04 19:17:23 2015 -0400
tree 5e78c957b9071a53a70e4a4a3f7dd02da8287674
parent 091f0ffd929f7a0a9a6af7d202eae13c48c07daa

Use a broadcast receiver instead of a settings observer.

Settings observer doesn't work if a setting is modified in another
process, hence we instead register a receiver which listens for a signal
from the settings process that the rotation preference has changed.

Change-Id: I570e3c67bb64a32347e84ca00a8ac31d9010eac3

src/com/android/launcher3/SettingsActivity.java

diff --git a/src/com/android/launcher3/SettingsActivity.java b/src/com/android/launcher3/SettingsActivity.java
index a1da1b6..27763f5 100644
--- a/src/com/android/launcher3/SettingsActivity.java
+++ b/src/com/android/launcher3/SettingsActivity.java
@@ -18,12 +18,14 @@
 
 import android.app.Activity;
 import android.content.Context;
+import android.content.Intent;
 import android.os.Bundle;
+import android.preference.Preference;
 import android.preference.PreferenceFragment;
+import android.preference.PreferenceScreen;
 
 /**
- * Settings activity for Launcher. Currently implements the following setting:
- * LockToPortrait
+ * Settings activity for Launcher. Currently implements the following setting: Allow rotation
  */
 public class SettingsActivity extends Activity {
     @Override
@@ -41,13 +43,25 @@
      */
     @SuppressWarnings("WeakerAccess")
     public static class LauncherSettingsFragment extends PreferenceFragment {
-
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
-            getPreferenceManager().setSharedPreferencesMode(Context.MODE_PRIVATE);
+            getPreferenceManager().setSharedPreferencesMode(Context.MODE_MULTI_PROCESS);
             getPreferenceManager().setSharedPreferencesName(LauncherFiles.ROTATION_PREF_FILE);
             addPreferencesFromResource(R.xml.launcher_preferences);
         }
+
+        @Override
+        public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
+                                             Preference preference) {
+            boolean allowRotation = getPreferenceManager().getSharedPreferences().getBoolean(
+                    Utilities.ALLOW_ROTATION_PREFERENCE_KEY, false);
+            Intent rotationSetting = new Intent(Utilities.SCREEN_ROTATION_SETTING_INTENT);
+            String launchBroadcastPermission = getResources().getString(
+                            R.string.receive_update_orientation_broadcasts_permission);
+            rotationSetting.putExtra(Utilities.SCREEN_ROTATION_SETTING_EXTRA, allowRotation);
+            getActivity().sendBroadcast(rotationSetting, launchBroadcastPermission);
+            return true;
+        }
     }
 }