/////第一步：获取NotificationManager
NotificationManagernm=(NotificationManager)
getSystemService(Context.NOTIFICATION_SERVICE);
/////第二步：定义Notification
Intentintent=newIntent(this,OtherActivity.class);
//PendingIntent是待执行的Intent
PendingIntentpi=PendingIntent.getActivity(this,0,intent,
PendingIntent.FLAG_CANCEL_CURRENT);
Notificationnotification=newNotification.Builder(this)
.setContentTitle("title")
.setContentText("text")
.setSmallIcon(R.drawable.ic_launcher).setContentIntent(pi)
.build();
notification.flags=Notification.FLAG_NO_CLEAR;
/////第三步：启动通知栏，第一个参数是一个通知的唯一标识
nm.notify(0,notification);
//关闭通知
//nm.cancel(0);
