EventPreferencesScreen.java 文件源码

@Override
public void checkPreferences(PreferenceManager prefMng, Context context)
{
    final Preference eventTypePreference = prefMng.findPreference(PREF_EVENT_SCREEN_EVENT_TYPE);
    final PreferenceManager _prefMng = prefMng;

    if (eventTypePreference != null) {
        eventTypePreference.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
            @Override
            public boolean onPreferenceChange(Preference preference, Object newValue) {
                String sNewValue = (String) newValue;
                int iNewValue;
                if (sNewValue.isEmpty())
                    iNewValue = 100;
                else
                    iNewValue = Integer.parseInt(sNewValue);

                setWhenUnlockedTitle(_prefMng, iNewValue);

                return true;
            }
        });
    }
}