SettingsActivity.java 文件源码

private void bindPreferenceSummaryToValue(Preference preference) {
    preference.setOnPreferenceChangeListener(this);
    SharedPreferences preferences =
            PreferenceManager.getDefaultSharedPreferences(preference.getContext());
    String preferenceString = preferences.getString(preference.getKey(), "");
    onPreferenceChange(preference, preferenceString);
}