在android小部件上单击并更新

public class MyWidget extends AppWidgetProvider {
    @Override
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
        // 更新小部件的内容
        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
        views.setTextViewText(R.id.widget_text, "Hello, Widget!");

        // 设置点击事件
        Intent intent = new Intent(context, MyWidget.class);
        intent.setAction("com.example.widget.CLICK");
        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, 0);
        views.setOnClickPendingIntent(R.id.widget_layout, pendingIntent);

        // 更新小部件
        appWidgetManager.updateAppWidget(appWidgetIds, views);
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        super.onReceive(context, intent);

        if (intent.getAction().equals("com.example.widget.CLICK")) {
            // 处理点击事件
            RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
            views.setTextViewText(R.id.widget_text, "Widget Clicked!");

            // 更新小部件
            AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
            ComponentName componentName = new ComponentName(context, MyWidget.class);
            appWidgetManager.updateAppWidget(componentName, views);
        }
    }
}