PBPreferenceFragment.java 文件源码

private void startOrStopService(final SharedPreferences preferences) {
    boolean userDidStart = preferences.getBoolean(PBConstants.PREF_SERVICE_RUNNING, false);
    Log.i(LOG_TAG, "PREF_SERVICE_RUNNING = " + userDidStart);

    if (userDidStart) {
        if (validatePreferences()) {
            checkPermissions(PBConstants.PERM_ORIGIN_SERVICE);
        } else {
            final SwitchPreference switchPreference = (SwitchPreference) findPreference(PBConstants.PREF_SERVICE_RUNNING);
            switchPreference.setChecked(false);
        }
    } else if (isPhotoBackupServiceRunning() && currentService != null) {
        Log.i(LOG_TAG, "stop PhotoBackup service");
        getActivity().unbindService(serviceConnection);
        getActivity().invalidateOptionsMenu();
        isBoundToService = false;
        currentService.stopSelf();
        currentService = null;
        updatePreferences();
    }
}