ItemWidgetProvider.java 文件源码

@Override
public void onReceive(Context context, Intent intent) {
    super.onReceive(context, intent);
    if (intent.getAction().equals(ACTION_DATA_UPDATED)) {
        AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
        int[] appWidgetIds = appWidgetManager.getAppWidgetIds(
                new ComponentName(context, getClass()));
        appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.widget_list);
    }
}