MiscellaneousPreferences.java 文件源码

private void initializeCalendarReminderPreference() {
    CheckBoxPreference calendarReminderPreference = (CheckBoxPreference) findPreference(getString(R.string.p_calendar_reminders));
    calendarReminderPreference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object newValue) {
            if (newValue == null) {
                return false;
            }
            if (!(Boolean) newValue) {
                return true;
            }
            if (permissionRequestor.requestCalendarPermissions()) {
                backgroundScheduler.scheduleCalendarNotifications();
                return true;
            }
            return false;
        }
    });
    calendarReminderPreference.setChecked(calendarReminderPreference.isChecked() && permissionChecker.canAccessCalendars());
}