使用Notification发送消息通知

demo代码：

MainActivity.java

package com.example.notificationdemo;import android.os.Build;import android.os.Bundle;import android.annotation.SuppressLint;import android.annotation.TargetApi;import android.app.Activity;import android.app.Notification;import android.app.Notification.Builder;import android.app.NotificationManager;import android.app.PendingIntent;import android.content.Context;import android.content.Intent;import android.view.View;import android.view.View.OnClickListener;public class MainActivity extends Activity implements OnClickListener {NotificationManager manager;//通知控制类int notification_ID = 0;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);findViewById(R.id.btn_send).setOnClickListener(this);findViewById(R.id.btn_cancle).setOnClickListener(this);}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubswitch (v.getId()) {case R.id.btn_send:sendNotification();break;case R.id.btn_cancle:manager.cancel(notification_ID);break;}}/** * 构造notification并发送到通知栏 */private void sendNotification(){Intent intent = new Intent(this,MainActivity.class);PendingIntent pintent = PendingIntent.getActivity(this, 0, intent, 0);Builder builder = new Notification.Builder(this);builder.setSmallIcon(R.drawable.ic_launcher);//设置图标builder.setTicker("hello");//手机状态栏的提示；builder.setWhen(System.currentTimeMillis());//设置时间builder.setContentTitle("通知栏通知");//设置标题builder.setContentText("我来自NotificationDemo");//设置通知内容builder.setContentIntent(pintent);//点击后的意图builder.setDefaults(Notification.DEFAULT_SOUND);//设置提示声音（不要忘记权限设置）builder.setDefaults(Notification.DEFAULT_LIGHTS);//设置指示灯（不要忘记权限设置）//builder.setDefaults(Notification.DEFAULT_VIBRATE);//设置震动（不要忘记权限设置）builder.setDefaults(Notification.DEFAULT_ALL);//设置震动//Notification notification = builder.build();//4.1以上Notification notification = builder.getNotification();//4.1以下manager.notify(notification_ID, notification);}}

AndroidManifest.xml

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

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