private void initializeRingtonePreference() {
Preference.OnPreferenceChangeListener ringtoneChangedListener =
new Preference.OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
if ("".equals(value)) {
preference.setSummary(R.string.silent);
} else {
Ringtone ringtone =
RingtoneManager.getRingtone(
ReminderPreferences.this,
value == null
? RingtoneManager.getActualDefaultRingtoneUri(
getApplicationContext(), RingtoneManager.TYPE_NOTIFICATION)
: Uri.parse((String) value));
preference.setSummary(
ringtone == null ? "" : ringtone.getTitle(ReminderPreferences.this));
}
return true;
}
};
String ringtoneKey = getString(R.string.p_rmd_ringtone);
Preference ringtonePreference = findPreference(ringtoneKey);
ringtonePreference.setOnPreferenceChangeListener(ringtoneChangedListener);
ringtoneChangedListener.onPreferenceChange(
ringtonePreference,
PreferenceManager.getDefaultSharedPreferences(this).getString(ringtoneKey, null));
}
/**
* Binds a preference's summary to its value. More specifically, when the preference's value is
* changed, its summary (line of text below the preference title) is updated to reflect the value.
* The summary is also immediately updated upon calling this method. The exact display format is
* dependent on the type of preference.
*/
public static void bindPreferenceSummaryToValue(SharedPreferences prefs, Preference preference) {
// Set the listener to watch for value changes.
preference.setOnPreferenceChangeListener(sSetSummaryListener);
// Trigger the listener immediately with the preference's current value.
sSetSummaryListener.onPreferenceChange(preference, prefs.getString(preference.getKey(), ""));
}
private static void bindPreferenceSummaryToValue(Preference preference) {
preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
sBindPreferenceSummaryToValueListener.onPreferenceChange(
preference,
PreferenceManager.getDefaultSharedPreferences(preference.getContext())
.getString(preference.getKey(), ""));
}
/**
* Binds a preference's summary to its value. More specifically, when the preference's value is
* changed, its summary (line of text below the preference title) is updated to reflect the value.
* The summary is also immediately updated upon calling this method. The exact display format is
* dependent on the type of preference.
*
* @see #sBindPreferenceSummaryToValueListener
*/
private static void bindPreferenceSummaryToValue(Preference preference, Object value) {
// Set the listener to watch for value changes
preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
// Trigger the listener immediately with the preference's
// current value.
if (value != null) {
sBindPreferenceSummaryToValueListener.onPreferenceChange(preference, value);
}
}
/*
* Binds a preference's summary to its value. More specifically, when the
* preference's value is changed, its summary (line of text below the
* preference title) is updated to reflect the value. The summary is also
* immediately updated upon calling this method. The exact display format is
* dependent on the type of preference.
*
* @see #sBindPreferenceSummaryToValueListener
*/
private static void bindPreferenceSummaryToValue(Preference preference) {
// Set the listener to watch for value changes.
preference.setOnPreferenceChangeListener(sBindPreferenceSummaryToValueListener);
// Trigger the listener immediately with the preference's
// current value.
sBindPreferenceSummaryToValueListener.onPreferenceChange(
preference,
PreferenceManager.getDefaultSharedPreferences(preference.getContext())
.getString(preference.getKey(), ""));
}
/**
* When the preference's value is changed, trigger the given listener. The listener is also
* immediately called with the preference's current value upon calling this method.
*/
public static void setAndCallPreferenceChangeListener(
Preference preference, Preference.OnPreferenceChangeListener listener) {
// Set the listener to watch for value changes.
preference.setOnPreferenceChangeListener(listener);
// Trigger the listener immediately with the preference's
// current value.
listener.onPreferenceChange(
preference,
PreferenceManager.getDefaultSharedPreferences(preference.getContext())
.getString(preference.getKey(), ""));
}