RecipientPreferenceActivity.java 文件源码

@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
        int          value        = Integer.parseInt((String) newValue);
  final VibrateState vibrateState = VibrateState.fromId(value);

  recipients.setVibrate(vibrateState);

  new AsyncTask<Void, Void, Void>() {
    @Override
    protected Void doInBackground(Void... params) {
      DatabaseFactory.getRecipientPreferenceDatabase(getActivity())
                     .setVibrate(recipients, vibrateState);
      return null;
    }
  }.execute();

  return false;
}