Android开发通知Notification

 1: package com.halzhang.android.notification;
   2:  
            
   3: import android.app.Activity;
            
   4: import android.app.Notification;
            
   5: import android.app.NotificationManager;
            
   6: import android.app.PendingIntent;
            
   7: import android.content.Intent;
            
   8: import android.os.Bundle;
            
   9: import android.view.View;
            
  10: import android.widget.Button;
            
  11: /**
            
  12:  * 通知
            
  13:  * @author 张汉国
            
  14:  */
            
  15: public class NotificationDemo extends Activity {
            
  16:     /** Called when the activity is first created. */
            
  17:     //通知id
            
  18:     private static final int NOTICE_ID = 1222;
            
  19:     private Button notify;
            
  20:     private Button cancel;
            
  21:     @Override
            
  22:     public void onCreate(Bundle savedInstanceState) {
            
  23:         super.onCreate(savedInstanceState);
            
  24:         setContentView(R.layout.main);
            
  25:         notify = (Button) findViewById(R.id.noti);
            
  26:         cancel = (Button) findViewById(R.id.cancel);
            
  27:         notify.setOnClickListener(new View.OnClickListener() {
            
  28:             
            
  29:             @Override
            
  30:             public void onClick(View v) {
            
  31:                 notityMe();
            
  32:             }
            
  33:         });
            
  34:         
            
  35:         cancel.setOnClickListener(new View.OnClickListener() {
            
  36:             
            
  37:             @Override
            
  38:             public void onClick(View v) {
            
  39:                 final NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
            
  40:                 //取消通知
            
  41:                 manager.cancel(NOTICE_ID);
            
  42:             }
            
  43:         });
            
  44:     }
            
  45:     
            
  46:     private void notityMe(){
            
  47:         //获得通知管理器，通知是一项系统服务
            
  48:         final NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
            
  49:         //初始化通知对象 p1:通知的图标 p2:通知的状态栏显示的提示 p3:通知显示的时间
            
  50:         Notification notification = new Notification(R.drawable.icon, "通知测试", System.currentTimeMillis());
            
  51:         //点击通知后的Intent，此例子点击后还是在当前界面
            
  52:         PendingIntent intent = PendingIntent.getActivity(this, 0, new Intent(this, NotificationDemo.class), 0);
            
  53:         //设置通知信息
            
  54:         notification.setLatestEventInfo(this, "通知title", "通知信息内容", intent);
            
  55:         //通知
            
  56:         manager.notify(NOTICE_ID, notification);
            
  57:     }
            
  58: }