1 files changed, 29 insertions, 1 deletions
diff --git a/src/com/android/launcher3/LauncherBackupAgentHelper.java b/src/com/android/launcher3/LauncherBackupAgentHelper.java
index 2b5059b72..de6aedddd 100644
--- a/src/com/android/launcher3/LauncherBackupAgentHelper.java
+++ b/src/com/android/launcher3/LauncherBackupAgentHelper.java
@@ -18,12 +18,22 @@ package com.android.launcher3;
 
 import android.app.backup.BackupAgentHelper;
 import android.app.backup.BackupManager;
+import android.app.backup.SharedPreferencesBackupHelper;
 import android.content.Context;
+import android.content.SharedPreferences;
+import android.provider.Settings;
+import android.util.Log;
 
 public class LauncherBackupAgentHelper extends BackupAgentHelper {
 
+    private static final String TAG = "LauncherBackupAgentHelper";
+    static final boolean VERBOSE = true;
+    static final boolean DEBUG = false;
+
     private static BackupManager sBackupManager;
 
+    protected static final String SETTING_RESTORE_ENABLED = "launcher_restore_enabled";
+
     /**
      * Notify the backup manager that out database is dirty.
      *
@@ -38,9 +48,27 @@ public class LauncherBackupAgentHelper extends BackupAgentHelper {
         sBackupManager.dataChanged();
     }
 
+    @Override
+    public void onDestroy() {
+        // There is only one process accessing this preference file, but the restore
+        // modifies the file outside the normal codepaths, so it looks like another
+        // process.  This forces a reload of the file, in case this process persists.
+        String spKey = LauncherAppState.getSharedPreferencesKey();
+        SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS);
+        super.onDestroy();
+    }
 
     @Override
     public void onCreate() {
-        addHelper(LauncherBackupHelper.LAUNCHER_PREFIX, new LauncherBackupHelper(this));
+        boolean restoreEnabled = 0 != Settings.Secure.getInt(
+                getContentResolver(), SETTING_RESTORE_ENABLED, 0);
+        if (VERBOSE) Log.v(TAG, "restore is " + (restoreEnabled ? "enabled" : "disabled"));
+
+        addHelper(LauncherBackupHelper.LAUNCHER_PREFS_PREFIX,
+                new LauncherPreferencesBackupHelper(this,
+                        LauncherAppState.getSharedPreferencesKey(),
+                        restoreEnabled));
+        addHelper(LauncherBackupHelper.LAUNCHER_PREFIX,
+                new LauncherBackupHelper(this, restoreEnabled));
     }
 }