private void setSummary(SharedPreferences prefs, String key) {
Preference pref = findPreference(key);
// Setting a ListPreference's summary value to "%s" in XML automatically updates the
// preference's summary to display the selected value.
if (pref instanceof RingtonePreference) {
Uri ringtoneUri = Uri.parse(prefs.getString(key, ""));
Ringtone ringtone = RingtoneManager.getRingtone(getActivity(), ringtoneUri);
pref.setSummary(ringtone.getTitle(getActivity()));
}
}
SettingsFragment.java 文件源码
java
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