Merge "backup launcher preferences" into jb-ub-now-kermit

import android.app.backup.BackupAgentHelper;

import android.app.backup.BackupManager;

import android.app.backup.SharedPreferencesBackupHelper;

import android.content.Context;

import android.content.SharedPreferences;

public class LauncherBackupAgentHelper extends BackupAgentHelper {

    private static final String TAG = "LauncherBackupAgentHelper";

    private static BackupManager sBackupManager;

    /**

        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_PREFS_PREFIX,

                new SharedPreferencesBackupHelper(this,

                        LauncherAppState.getSharedPreferencesKey()));

        addHelper(LauncherBackupHelper.LAUNCHER_PREFIX, new LauncherBackupHelper(this));

    }

}

    public static final String LAUNCHER_PREFIX = "L";

    public static final String LAUNCHER_PREFS_PREFIX = "LP";

    private static final Bitmap.CompressFormat IMAGE_FORMAT =

            android.graphics.Bitmap.CompressFormat.PNG;