BackupAgent for Android Backup API

TheBackupAgent-File.java

public class TheBackupAgent extends BackupAgentHelper {

    private static final String DB_NAME = "test.db"; // db name

    @Override
    public void onCreate() {
        FileBackupHelper dbs = new FileBackupHelper(this, DB_NAME);
        addHelper("dbs", dbs);
    }

    @Override
    public File getFilesDir() {
        final File f = getDatabasePath(DB_NAME);
        return f.getParentFile();
    }
}

TheBackupAgent-SharedPreferences.java

public class TheBackupAgent extends BackupAgentHelper {

    static final String PREFS_DISPLAY = "displayprefs";
    static final String PREFS_SCORES = "highscores";
    static final String MY_PREFS_BACKUP_KEY = "myprefs";

    void onCreate() {
       SharedPreferencesBackupHelper helper =
                new SharedPreferencesBackupHelper(this, PREFS_DISPLAY, PREFS_SCORES);
        addHelper(MY_PREFS_BACKUP_KEY, helper);
    }
}