Android顶栏定时推送消息

<!-- 安卓推送服务 -->
<service android:name=".MessageService"
android:enabled="true"
android:exported="true"
android:label="PushService"
android:launchMode="singleInstance"
android:persistent="true"
android:process=":push" >
<intent-filter>
<action android:name="com.xxxx.action.MY_SERVICE" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</service>
<receiver
android:name="com.tt.xxxxx.download.GTAlarmReceiver"
android:permission="com.android.launcher.permission.INSTALL_SHORTCUT"
android:enabled="true"
android:exported="true"
>
<intent-filter>
<action android:name="com.android.launcher.action.INSTALL_SHORTCUT" />
</intent-filter>
</receiver>
<!--end add-->

/******************************** 类 *************************************/
package com.ttad.yxcb;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.widget.Toast;
import java.text.SimpleDateFormat;
import com.tt.yingxiongchibis.download.GTDownloaderActivity;
public class MessageService extends Service {
//获取消息线程
private MessageThread messageThread = null;
//点击查看
private Intent messageIntent = null;
private PendingIntent messagePendingIntent = null;
//通知栏消息
private int messageNotificationID = 1000;
private Notification messageNotification = null;
private NotificationManager messageNotificatioManager = null;
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
//初始化
messageNotification = new Notification();
messageNotification.icon = R.drawable.app_icon_ucs;
messageNotification.tickerText = "알림";
messageNotification.defaults = Notification.DEFAULT_SOUND;
messageNotificatioManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
//点击跳转的activity
messageIntent = new Intent(this, GTDownloaderActivity.class);
messagePendingIntent = PendingIntent.getActivity(this,0,messageIntent,0);
//开启线程
messageThread = new MessageThread();
messageThread.isRunning = true;
messageThread.start();
//Toast.makeText(MessageService.this, "", Toast.LENGTH_LONG).show();
super.onCreate();
}
/**
* 从服务器端获取消息
*
*/
class MessageThread extends Thread{
//运行状态，下一步骤有大用
public boolean isRunning = true;
public void run() {
while(isRunning){
try {
//休息10分钟
Thread.sleep(1000);
//获取服务器消息
String serverMessage = getServerMessage();
if(serverMessage!=null&&!"".equals(serverMessage)){
//更新通知栏
messageNotification.setLatestEventInfo(MessageService.this,"알림",serverMessage,messagePendingIntent);
messageNotificatioManager.notify(messageNotificationID, messageNotification);
//每次通知完，通知ID递增一下，避免消息覆盖掉
messageNotificationID++;
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
@Override
public void onDestroy() {
// System.exit(0);
//或者，二选一，推荐使用System.exit(0)，这样进程退出的更干净
messageThread.isRunning = false;
//super.onDestroy();
}
/**
* 这里以此方法为服务器Demo，仅作示例
* @return 返回服务器要推送的消息，否则如果为空的话，不推送
*/
public String getServerMessage(){
SimpleDateFormat sdf=new SimpleDateFormat("HHmmss");
String date=sdf.format(new java.util.Date());
String in = date;
if(date.equals("195500"))
{
String str = "잠시후 전쟁터 시작됩니다. 준비해주세요.";
return str;
}
else if(date.equals("212500"))
{
String str = "잠시후 보스전 시작됩니다. 준비해주세요.";
return str;
}
else
{
return "";
}
}
}

//推送
Intent intent = new Intent();
// 设置Action属性
intent.setAction("com.ttad.yxcb.action.MY_SERVICE");
// 启动该Service
startService(intent);
// startService(new Intent(ExTextActivity.this, MessageService.class));