SettingsFragment.java 文件源码

private void updateWheelSizeSummary() {
    final PreferenceScreen screen = getPreferenceScreen();
    final SharedPreferences preferences = getPreferenceManager().getSharedPreferences();

    final String value = preferences.getString(SETTINGS_WHEEL_SIZE, String.valueOf(SETTINGS_WHEEL_SIZE_DEFAULT));
    screen.findPreference(SETTINGS_WHEEL_SIZE).setSummary(getString(R.string.csc_settings_wheel_diameter_summary, value));
}