TimetableSyncAdapter.java 文件源码

@Override
public void onPerformSync(Account account, Bundle extras, String authority, ContentProviderClient provider, SyncResult syncResult) {
    Lesson[] oldLessons = TimetableContentHelper.getTimetable(getContext());
    Lesson[] lessons = new SyncServerInterface(getContext()).getTimetable();

    lessons = ClassesUtils.filterLessons(getContext(), lessons);

    if (lessons.length != oldLessons.length || !Utils.containsAll(lessons, oldLessons)) {
        TimetableNotification.notify(getContext());
    }

    TimetableContentHelper.clearTimetable(getContext());

    if (lessons.length > 0) {
        TimetableContentHelper.addLessons(getContext(), lessons);
    }
}