SecurityPreferenceFragment.java 文件源码

@Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      addPreferencesFromResource(R.xml.pref_security);

      findPreference(KEY_PIN_ENABLED).setOnPreferenceClickListener(this);


      pin_set_preference = findPreference(KEY_PIN_SET);
pin_set_preference.setOnPreferenceClickListener(new OnPreferenceClickListener() {

    @Override
    public boolean onPreferenceClick(Preference preference) {
              SettingsActivity.logSettingEvent(preference.getKey());
        checkPin();
        return false;
    }
});
pin_set_preference.setSummary(SettingsActivity.isPinProtected(getActivity()) ? R.string.pin_set : R.string.pin_disabled);
  }