<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:paddingBottom="@dimen/activity_vertical_margin"
  android:paddingLeft="@dimen/activity_horizontal_margin"
  android:paddingRight="@dimen/activity_horizontal_margin"
  android:paddingTop="@dimen/activity_vertical_margin"
  android:orientation="vertical"
  tools:context=".MainActivity" >
    <Button 
      android:id="@+id/btn_01"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text="3.0以前版本的notification，用新的吧"
      android:onClick="click"
      />
    <Button 
      android:id="@+id/btn_02"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text="大視圖文本通知"
      android:onClick="click"
      />
    <Button 
      android:id="@+id/btn_03"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text="大視圖圖片通知"
      android:onClick="click"
      />
    <Button 
      android:id="@+id/btn_04"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:text="進度條通知"
      android:onClick="click"
      />
</LinearLayout>

 package com.xin.day__notificationdemo;
  import java.util.Timer;
  import java.util.TimerTask;
  import android.app.Activity;
  import android.app.Notification;
  import android.app.NotificationManager;
  import android.app.PendingIntent;
 import android.content.Intent;
 import android.graphics.BitmapFactory;
 import android.os.Bundle;
 import android.support.v.app.NotificationCompat;
 import android.support.v.app.NotificationCompat.BigPictureStyle;
 import android.support.v.app.NotificationCompat.BigTextStyle;
 import android.support.v.app.NotificationCompat.Builder;
 import android.util.Log;
 import android.view.View;
 public class MainActivity extends Activity {
   //通知的唯一標識，在一個應用程序中不同的通知要區(qū)別開來
   private static final int NO = x;
   private static final int NO = x;
   private static final int NO = x;
   private static final int NO = x;
   //進度條要用
   private int progress = ;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.activity_main);
   }
   //click方法，和xml文件中的各個按鈕的onClick屬性的值要一致
   public void click(View view) {
     //創(chuàng)建NotificationManager
     final NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
     //用switch語句控制四個控件
     switch (view.getId()) {
     case R.id.btn_: {
       Notification notification = new Notification();
       notification.icon = R.drawable.ic_launcher;
       notification.tickerText = "有消息了。。。";
       Intent intent = new Intent(this, MainActivity.class);
       PendingIntent pendingIntent = PendingIntent.getActivity(this, ,
           intent, PendingIntent.FLAG_UPDATE_CURRENT);
       notification.setLatestEventInfo(this, ".以前的通知", "試試而已", pendingIntent);
       notification.when = System.currentTimeMillis();
       notification.defaults = Notification.DEFAULT_ALL;
       notification.flags = Notification.FLAG_AUTO_CANCEL;
       notification.number = ;
       notification.vibrate = new long[]{, };
       manager.notify(NO, notification);
     }
     break;
     case R.id.btn_:{
       //大視圖文本通知
       //創(chuàng)建消息構(gòu)造器,在擴展包
       NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
       //設置當有消息是的提示，圖標和提示文字
       builder.setSmallIcon(R.drawable.ic_launcher).setTicker("有新消息了");
       //需要樣式
       BigTextStyle style = new BigTextStyle();
       style.setBigContentTitle("上課通知");//通知的標題
       style.bigText("今天下午要在綜B上jsp");//通知的文本內(nèi)容
       //大視圖文本具體內(nèi)容
       style.setSummaryText("這是正常的課程安排，請各位同學按時上課");
       builder.setStyle(style);
       //顯示消息到達的時間，這里設置當前時間
       builder.setWhen(System.currentTimeMillis());
       //獲取一個通知對象
       Notification notification = builder.build();
       notification.flags = Notification.FLAG_AUTO_CANCEL;
       //發(fā)送(顯示)通知
       //notify()第一個參數(shù)id An identifier for this notification unique within your application
       //get?意思說，這個通知在你的應用程序中唯一的標識符
       manager.notify(NO, notification);
     }
     break;
     case R.id.btn_:{
       //大視圖圖片通知
       NotificationCompat.Builder builderPic = new Builder(this);
       builderPic.setSmallIcon(R.drawable.ic_launcher).setTicker("新浪體育提醒");
       //進行設置
       BigPictureStyle pictureStyle = new BigPictureStyle();
       pictureStyle.setBigContentTitle("新浪體育 快船VS騎士 ");
       pictureStyle.bigPicture(BitmapFactory.decodeResource(getResources(), R.drawable.ic_game));
       pictureStyle.setSummaryText(" 快船VS騎士 天王山之戰(zhàn)！??！");//不要在意文字
       //設置樣式
       builderPic.setStyle(pictureStyle);
       //設置顯示的時間
       builderPic.setWhen(System.currentTimeMillis());
       Notification notification = pictureStyle.build();
       notification.flags = Notification.FLAG_AUTO_CANCEL;
       //
       manager.notify(NO, notification);
     }
     break;
     case R.id.btn_:{
       //進度條通知
       final NotificationCompat.Builder builderProgress = new NotificationCompat.Builder(this);
       builderProgress.setSmallIcon(R.drawable.ic_launcher).setTicker("進度條通知");
       builderProgress.setProgress(, progress, false);
       final Notification notification = builderProgress.build();
       //發(fā)送一個通知
       manager.notify(NO, notification);
       //創(chuàng)建一個計時器
       Timer timer = new Timer();
       timer.schedule(new TimerTask(){
         @Override
         public void run() {
           Log.i("progress",progress+"");
           while(progress <= ){
             progress ++;
             try {
               Thread.sleep();
             } catch (InterruptedException e) {
               // TODO Auto-generated catch block
               e.printStackTrace();
             }
             //更新進度條
             builderProgress.setProgress(, progress, false);
             //再次通知
             manager.notify(NO, builderProgress.build());
           }
           //計時器退出
           this.cancel();
           //進度條退出
           manager.cancel(NO);
           return;//結(jié)束方法
         }
       }, );
     }
     break;
     default:
       break;
     }
   }
 }