SettingsActivity.java 文件源码

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

  // Bind the summaries of EditText/WeatherList/Dialog/Ringtone preferences
  // to their values. When their values change, their summaries are
  // updated to reflect the new value, per the Android Design
  // guidelines.
  mUsernameToDisplay = findPreference(USER_NAME_TO_DISPLAY);
  bindPreferenceSummaryToValue(mUsernameToDisplay);

  mTemperatureUnitsPreference = (SwitchPreference) findPreference(PREF_TEMPERATURE_UNITS);
  mTemperatureUnitsPreference.setOnPreferenceChangeListener(this);
  mUsernameToDisplay.setOnPreferenceClickListener(this);
}