Android开发 -- 状态栏通知Notification、NotificationManager详解

package com.yfz; 
import android.app.Activity; 
import android.app.Notification; 
import android.app.NotificationManager; 
import android.app.PendingIntent; 
import android.content.Intent; 
import android.net.Uri; 
import android.os.Bundle; 
import android.provider.MediaStore.Audio; 
import android.util.Log; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 
import android.widget.RemoteViews; 
import android.widget.SeekBar; 
import android.widget.TextView; 
/** 
 * Notification 
 * @author Administrator 
 * 
 */ 
public class Lesson_10 extends Activity { 
  
 //BaseNotification 
 private Button bt01; 
  
 //UpdateBaseNotification 
 private Button bt02; 
  
 //ClearBaseNotification 
 private Button bt03; 
  
 //MediaNotification 
 private Button bt04; 
  
 //ClearMediaNotification 
 private Button bt05; 
  
 //ClearALL 
 private Button bt06; 
  
 //CustomNotification 
 private Button bt07; 
  
 //通知管理器 
 private NotificationManager nm; 
  
 //通知显示内容 
 private PendingIntent pd; 
  
 @Override 
  public void onCreate(Bundle savedInstanceState) { 
   super.onCreate(savedInstanceState); 
   /*加载页面*/ 
   setContentView(R.layout.lesson10); 
    
   init(); 
 } 
  
 private void init() { 
  bt01 = (Button)findViewById(R.id.le10bt01); 
  bt02 = (Button)findViewById(R.id.le10bt02); 
  bt03 = (Button)findViewById(R.id.le10bt03); 
  bt04 = (Button)findViewById(R.id.le10bt04); 
  bt05 = (Button)findViewById(R.id.le10bt05); 
  bt06 = (Button)findViewById(R.id.le10bt06); 
  bt07 = (Button)findViewById(R.id.le10bt07); 
   
  bt01.setOnClickListener(onclick); 
  bt02.setOnClickListener(onclick); 
  bt03.setOnClickListener(onclick); 
  bt04.setOnClickListener(onclick); 
  bt05.setOnClickListener(onclick); 
  bt06.setOnClickListener(onclick);  
  bt07.setOnClickListener(onclick); 
   
  nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); 
   
  Intent intent = new Intent(this,Lesson_10.class); 
   
  pd = PendingIntent.getActivity(Lesson_10.this, 0, intent, 0); 
 } 
  
 OnClickListener onclick = new OnClickListener() { 
   
  //BASE Notification ID 
  private int Notification_ID_BASE = 110; 
   
  private Notification baseNF; 
   
  //Notification ID 
  private int Notification_ID_MEDIA = 119; 
   
  private Notification mediaNF; 
   
  @Override 
  public void onClick(View v) { 
   switch(v.getId()) { 
    case R.id.le10bt01: 
     //新建状态栏通知 
     baseNF = new Notification(); 
      
     //设置通知在状态栏显示的图标 
     baseNF.icon = R.drawable.icon; 
      
     //通知时在状态栏显示的内容 
     baseNF.tickerText = "You clicked BaseNF!"; 
      
     //通知的默认参数 DEFAULT_SOUND, DEFAULT_VIBRATE, DEFAULT_LIGHTS. 
     //如果要全部采用默认值, 用 DEFAULT_ALL. 
     //此处采用默认声音 
     baseNF.defaults |= Notification.DEFAULT_SOUND; 
     baseNF.defaults |= Notification.DEFAULT_VIBRATE; 
     baseNF.defaults |= Notification.DEFAULT_LIGHTS; 
      
     //让声音、振动无限循环，直到用户响应 
     baseNF.flags |= Notification.FLAG_INSISTENT; 
      
     //通知被点击后，自动消失 
     baseNF.flags |= Notification.FLAG_AUTO_CANCEL; 
      
     //点击'Clear'时，不清楚该通知(QQ的通知无法清除，就是用的这个) 
     baseNF.flags |= Notification.FLAG_NO_CLEAR; 
      
      
     //第二个参数 ：下拉状态栏时显示的消息标题 expanded message title 
     //第三个参数：下拉状态栏时显示的消息内容 expanded message text 
     //第四个参数：点击该通知时执行页面跳转 
     baseNF.setLatestEventInfo(Lesson_10.this, "Title01", "Content01", pd); 
      
     //发出状态栏通知 
     //The first parameter is the unique ID for the Notification 
     // and the second is the Notification object. 
     nm.notify(Notification_ID_BASE, baseNF); 
      
     break; 
      
    case R.id.le10bt02: 
     //更新通知 
     //比如状态栏提示有一条新短信，还没来得及查看，又来一条新短信的提示。 
     //此时采用更新原来通知的方式比较。 
     //(再重新发一个通知也可以，但是这样会造成通知的混乱，而且显示多个通知给用户，对用户也不友好) 
     baseNF.setLatestEventInfo(Lesson_10.this, "Title02", "Content02", pd); 
     nm.notify(Notification_ID_BASE, baseNF); 
     break; 
      
    case R.id.le10bt03: 
      
     //清除 baseNF 
     nm.cancel(Notification_ID_BASE); 
     break; 
      
    case R.id.le10bt04: 
     mediaNF = new Notification(); 
     mediaNF.icon = R.drawable.icon; 
     mediaNF.tickerText = "You clicked MediaNF!"; 
      
     //自定义声音 
     mediaNF.sound = Uri.withAppendedPath(Audio.Media.INTERNAL_CONTENT_URI, "6"); 
      
     //通知时发出的振动 
     //第一个参数: 振动前等待的时间 
     //第二个参数： 第一次振动的时长、以此类推 
     long[] vir = {0,100,200,300}; 
     mediaNF.vibrate = vir; 
      
     mediaNF.setLatestEventInfo(Lesson_10.this, "Title03", "Content03", pd); 
      
     nm.notify(Notification_ID_MEDIA, mediaNF); 
     break; 
      
    case R.id.le10bt05: 
     //清除 mediaNF 
     nm.cancel(Notification_ID_MEDIA); 
     break; 
      
    case R.id.le10bt06: 
     nm.cancelAll(); 
     break; 
      
    case R.id.le10bt07: 
     //自定义下拉视图，比如下载软件时，显示的进度条。 
     Notification notification = new Notification(); 
      
     notification.icon = R.drawable.icon; 
     notification.tickerText = "Custom!"; 
      
     RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.custom); 
     contentView.setImageViewResource(R.id.image, R.drawable.icon); 
     contentView.setTextViewText(R.id.text, "Hello, this message is in a custom expanded view"); 
     notification.contentView = contentView; 
      
     //使用自定义下拉视图时，不需要再调用setLatestEventInfo()方法 
     //但是必须定义 contentIntent 
     notification.contentIntent = pd; 
      
     nm.notify(3, notification); 
     break; 
   } 
  } 
 }; 
  
  
} 

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout 
 xmlns:android="http://schemas.android.com/apk/res/android" 
 android:layout_width="fill_parent" 
 android:layout_height="fill_parent" 
 android:orientation="vertical"> 
 <Button 
  android:id="@+id/le10bt01" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="BaseNotification" 
 /> 
 <Button 
  android:id="@+id/le10bt02" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="UpdateBaseNotification" 
 /> 
 <Button 
  android:id="@+id/le10bt03" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="ClearBaseNotification" 
 /> 
 <Button 
  android:id="@+id/le10bt04" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="MediaNotification" 
 /> 
 <Button 
  android:id="@+id/le10bt05" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="ClearMediaNotification" 
 /> 
 <Button 
  android:id="@+id/le10bt06" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="ClearALL" 
 /> 
 <Button 
  android:id="@+id/le10bt07" 
  android:layout_width="fill_parent" 
  android:layout_height="wrap_content" 
  android:text="CustomNotification" 
 /> 
</LinearLayout> 

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    android:orientation="horizontal" 
    android:layout_width="fill_parent" 
    android:layout_height="fill_parent" 
    android:padding="3dp" 
    > 
 <ImageView android:id="@+id/image" 
    android:layout_width="wrap_content" 
    android:layout_height="fill_parent" 
    android:layout_marginRight="10dp" 
    /> 
 <TextView android:id="@+id/text" 
    android:layout_width="wrap_content" 
    android:layout_height="fill_parent" 
    android:textColor="#000" 
    /> 
</LinearLayout>