public class MyNotificationDemo extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.setContentView(R.layout.main); NotificationManager notificationManager = (NotificationManager) super .getSystemService(Activity.NOTIFICATION_SERVICE); Notification notification = new Notification(R.drawable.a1, "您的好友", System.currentTimeMillis()); // 立刻发送一个消息 PendingIntent contentIntent = PendingIntent.getActivity(this, 0, super.getIntent(), PendingIntent.FLAG_UPDATE_CURRENT); // 创建了一个PendingIntent对象 notification.setLatestEventInfo(this, "TJ", "去哪里吃饭啊", contentIntent); notificationManager.notify("qq", R.drawable.a1, notification); } }