Notification

//获取通知管理器  
NotificationManager mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);  
int icon = android.R.drawable.stat_notify_chat;  
long when = System.currentTimeMillis();  
//新建一个通知，指定其图标和标题  
Notification notification = new Notification(icon, null, when);//第一个参数为图标,第二个参数为标题,第三个为通知时间  
notification.defaults = Notification.DEFAULT_SOUND;//发出默认声音  
Intent openintent = new Intent(this, OtherActivity.class);  
PendingIntent contentIntent = PendingIntent.getActivity(this, 0, openintent, 0);//当点击消息时就会向系统发送openintent意图  
notification.setLatestEventInfo(this, “标题”, “我是内容", contentIntent);  
mNotificationManager.notify(0, notification);//第一个参数为自定义的通知唯一标识