widget 按钮监听事件

Intent intent1 = new Intent("up");
PendingIntent Pintent= PendingIntent.getBroadcast(getBaseContext(), 0, intent1, 0);
updateViews.setOnClickPendingIntent(R.id.B1, Pintent);
AppWidgetManager manager = AppWidgetManager.getInstance(this);
manager.updateAppWidget(thisWidget, updateViews);