<?xml version="1.0" encoding="utf-8"?>  
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
  android:orientation="vertical"  
  android:layout_width="fill_parent"  
  android:layout_height="fill_parent"  
  android:id="@+id/layout1" 
  android:gravity="center_horizontal" 
  >  
  <Button android:id="@+id/button1" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="顯示通知"/> 
  <Button android:id="@+id/button2" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="刪除通知"/> 
</LinearLayout>  

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
android:layout_width="match_parent" 
android:layout_height="match_parent" 
android:orientation="vertical" > 

<TextView android:layout_width="wrap_content" 
android:layout_height="wrap_content" 
android:text="這里是詳細(xì)內(nèi)容"/> 
</LinearLayout> 

<!-- 添加操作閃光燈的權(quán)限 --> 
  <uses-permission android:name="android.permission.FLASHLIGHT"/> 
<!-- 添加操作震動器的權(quán)限 --> 
  <uses-permission android:name="android.permission.VIBRATE"/> 
<application> 
<activity android:name=".ContentActivity"/> 
</application> 

package com.example.test;  
  
import android.app.Activity; 
import android.app.Notification; 
import android.app.NotificationManager; 
import android.app.PendingIntent; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 
  
public class MainActivity extends Activity {  
   public static int NOTIFYID_1=1,NOTIFYID_2=2; 
  @Override  
  public void onCreate(Bundle savedInstanceState) {  
    super.onCreate(savedInstanceState);  
    setContentView(R.layout.main);  
      
    //獲取通知管理器，用于發(fā)送通知 
    final NotificationManager notificationManager=(NotificationManager)getSystemService(NOTIFICATION_SERVICE); 
     
    Button button1=(Button) findViewById(R.id.button1);//獲取"顯示通知"按鈕 
    //為"顯示通知"按鈕添加單擊事件監(jiān)聽器 
    button1.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View arg0) { 
        Notification notify=new Notification();//創(chuàng)建一個(gè)Notification對象 
        notify.icon=R.drawable.in; 
        notify.tickerText="顯示第一個(gè)通知"; 
        notify.when=System.currentTimeMillis();//設(shè)置發(fā)送時(shí)間(設(shè)置為當(dāng)前時(shí)間) 
        notify.defaults=Notification.DEFAULT_ALL;//設(shè)置默認(rèn)聲音、默認(rèn)震動和默認(rèn)閃光燈 
        notify.setLatestEventInfo(MainActivity.this, "無題", "每天進(jìn)步一點(diǎn)點(diǎn)", null);//設(shè)置事件信息 
        notificationManager.notify(NOTIFYID_1,notify);//通過通知管理器發(fā)送通知 
         
        //添加第二個(gè)通知 
        Notification notify1=new Notification(R.drawable.music,"顯示第二個(gè)通知",System.currentTimeMillis()); 
        notify1.flags=Notification.FLAG_AUTO_CANCEL;//打開應(yīng)用程序后圖標(biāo)消失 
        Intent intent=new Intent(MainActivity.this,ContentActivity.class);//設(shè)置為跳轉(zhuǎn)頁面準(zhǔn)備的Intent 
        //針對意圖的包裝對象,在下面就是通知被點(diǎn)擊時(shí)激活的組件對象(上下文,請求碼,意圖對象,標(biāo)識符) 
        PendingIntent pendingIntent=PendingIntent.getActivity(MainActivity.this, 0, intent, 0); 
        //設(shè)置通知的內(nèi)容  (上下文對象,標(biāo)題, 內(nèi)容, 指定通知被點(diǎn)擊的時(shí)候跳轉(zhuǎn)到哪里,激活哪個(gè)組件) 
        notify1.setLatestEventInfo(MainActivity.this, "通知", "查看詳細(xì)內(nèi)容", pendingIntent); 
        notificationManager.notify(NOTIFYID_2,notify);//通過通知管理器發(fā)送通知 
      } 
    }); 
     
    Button button2=(Button) findViewById(R.id.button2);//獲取"刪除通知"按鈕 
    //為"顯示通知"按鈕添加單擊事件監(jiān)聽器 
    button2.setOnClickListener(new OnClickListener() { 
 
 
      @Override 
      public void onClick(View arg0) { 
        notificationManager.cancel(NOTIFYID_1);//清除ID號為常量NOTIFYID_1的通知 
        notificationManager.cancelAll();//清除全部通知 
      }   
    }); 
  }  
}