package com.lixu.tongzhi;

 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.support.v4.app.NotificationCompat;

 import android.view.View;

 import android.view.View.OnClickListener;

 import android.widget.Button;

 import android.widget.RemoteViews;

 import android.widget.Toast;

 public class MainActivity extends Activity {

     private static final int ID = 1987;

     private static final int REQUEST_CODE = 123;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         Button btn1 = (Button) findViewById(R.id.fasong);

         Button btn2 = (Button) findViewById(R.id.qingchu);

         btn1.setOnClickListener(new OnClickListener() {

             @Override

             public void onClick(View v) {

                 send();

                 Toast.makeText(getApplicationContext(), "发送通知成功！", 0).show();

             }

         });

         btn2.setOnClickListener(new OnClickListener() {

             @Override

             public void onClick(View v) {

                 delete();

                 Toast.makeText(getApplicationContext(), "清除通知成功！", 0).show();

             }

         });

     }

     private void send() {

         // 获取通知管理器

         NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

         NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this);

         // 设置通知栏图片

         mBuilder.setSmallIcon(R.drawable.sdfdf);

         Notification notification = mBuilder.build();

         // RemoteViews中自定义Notification布局

         RemoteViews cv = new RemoteViews(getApplicationContext().getPackageName(), R.layout.list);

         // 设置下拉后通知栏图片

         cv.setImageViewResource(R.id.image, R.drawable.meimei);

         // 设置内容

         cv.setTextViewText(R.id.tv1, "我是小超人");

         cv.setTextViewText(R.id.tv2, "我是小超人，主人有什么事情要吩咐。");

         notification.contentView = cv;

         // 设置通知声音或者震动或闪光。

         notification.defaults = Notification.DEFAULT_SOUND | Notification.DEFAULT_VIBRATE;

         // 通知时间

         notification.when = System.currentTimeMillis();

         // 需要注意的是，作为选项，此处可以设置MainActivity的启动模式为singleTop，避免重复新建onCreate()。

         Intent intent = new Intent(getApplicationContext(), MainActivity.class);

         // 当用户点击通知栏的Notification时候，切换回MainActivity。

         PendingIntent pi = PendingIntent.getActivity(getApplicationContext(), REQUEST_CODE, intent,

                 PendingIntent.FLAG_UPDATE_CURRENT);

         notification.contentIntent = pi;

         // 通过特定id来发送这个通知

         manager.notify(ID, notification);

     }

     private void delete() {

         // 获取通知管理器

         NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

         manager.cancel(ID);

     }

 }

 <RelativeLayout 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" >

     <Button

         android:id="@+id/fasong"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_alignLeft="@+id/qingchu"

         android:layout_alignParentTop="true"

         android:layout_marginTop="56dp"

         android:text="发送通知" />

     <Button

         android:id="@+id/qingchu"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_below="@+id/fasong"

         android:layout_centerHorizontal="true"

         android:layout_marginTop="88dp"

         android:text="清除通知" />

 </RelativeLayout>

 <?xml version="1.0" encoding="utf-8"?>

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

     android:layout_width="match_parent"

     android:layout_height="match_parent" >

     <ImageView

         android:id="@+id/image"

         android:layout_width="50dp"

         android:layout_height="50dp"

         android:layout_alignParentLeft="true"

         android:layout_marginRight="10dp" />

     <TextView

         android:id="@+id/tv1"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_toRightOf="@id/image"

         android:background="#ff0000" />

     <TextView

         android:id="@+id/tv2"

         android:layout_width="wrap_content"

         android:layout_height="wrap_content"

         android:layout_below="@id/tv1"

         android:layout_toRightOf="@id/image"

         android:background="#00ff00" />

 </RelativeLayout>