Settings: Workaround duplicate onActivityCreate

    private final SettingsObserver mSettingsObserver = new SettingsObserver(mHandler);

    private Context mContext;

    private boolean mCreated;

    private SettingPref mAlwaysOnPref;

    private SettingPref mTriggerPref;

    @Override

    public void onActivityCreated(Bundle savedInstanceState) {

        super.onActivityCreated(savedInstanceState);

        if (mCreated) return;

        mCreated = true;

        addPreferencesFromResource(R.xml.battery_saver_settings);

        mContext = getActivity();