commit 7779d62308b87ca26e3be47df836893f6f7693ec
author Sunny Goyal <sunnygoyal@google.com> Thu Jun 11 16:18:39 2015 -0700
committer Sunny Goyal <sunnygoyal@google.com> Fri Jun 12 11:16:20 2015 -0700
tree 15927028a921ac04a931ecf3edb119a39054cef5
parent 2d0fc8dccd49a630a1e4a18e6b6b773d7c7bde71

Using content provider to update launcher settings

> Removing cross process preference file
> Removed broadcast listener management for settings changes
> Defining content provider method to get/set laucnehr preferences

Change-Id: Ida36eac0ab17c1d48fedc9404817a53a89b36c4f

src/com/android/launcher3/SettingsActivity.java

diff --git a/src/com/android/launcher3/SettingsActivity.java b/src/com/android/launcher3/SettingsActivity.java
index 27763f5..dab71c8 100644
--- a/src/com/android/launcher3/SettingsActivity.java
+++ b/src/com/android/launcher3/SettingsActivity.java
@@ -17,12 +17,11 @@
 package com.android.launcher3;
 
 import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
 import android.os.Bundle;
 import android.preference.Preference;
+import android.preference.Preference.OnPreferenceChangeListener;
 import android.preference.PreferenceFragment;
-import android.preference.PreferenceScreen;
+import android.preference.SwitchPreference;
 
 /**
  * Settings activity for Launcher. Currently implements the following setting: Allow rotation
@@ -41,26 +40,36 @@
     /**
      * This fragment shows the launcher preferences.
      */
-    @SuppressWarnings("WeakerAccess")
-    public static class LauncherSettingsFragment extends PreferenceFragment {
+    public static class LauncherSettingsFragment extends PreferenceFragment
+            implements OnPreferenceChangeListener {
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
-            getPreferenceManager().setSharedPreferencesMode(Context.MODE_MULTI_PROCESS);
-            getPreferenceManager().setSharedPreferencesName(LauncherFiles.ROTATION_PREF_FILE);
             addPreferencesFromResource(R.xml.launcher_preferences);
+
+            SwitchPreference pref = (SwitchPreference) findPreference(
+                    Utilities.ALLOW_ROTATION_PREFERENCE_KEY);
+            pref.setPersistent(false);
+
+            Bundle extras = new Bundle();
+            extras.putBoolean(LauncherSettings.Settings.EXTRA_DEFAULT_VALUE, false);
+            Bundle value = getActivity().getContentResolver().call(
+                    LauncherSettings.Settings.CONTENT_URI,
+                    LauncherSettings.Settings.METHOD_GET_BOOLEAN,
+                    Utilities.ALLOW_ROTATION_PREFERENCE_KEY, extras);
+            pref.setChecked(value.getBoolean(LauncherSettings.Settings.EXTRA_VALUE));
+
+            pref.setOnPreferenceChangeListener(this);
         }
 
         @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);
+        public boolean onPreferenceChange(Preference preference, Object newValue) {
+            Bundle extras = new Bundle();
+            extras.putBoolean(LauncherSettings.Settings.EXTRA_VALUE, (Boolean) newValue);
+            getActivity().getContentResolver().call(
+                    LauncherSettings.Settings.CONTENT_URI,
+                    LauncherSettings.Settings.METHOD_SET_BOOLEAN,
+                    preference.getKey(), extras);
             return true;
         }
     }