GrayService.java
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package com.metroapp;
import android.app.Notification;
import android.app.Service;
import android.content.Intent;
import android.os.Build;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.util.Log;
/**
* Created by xiniu on 2016/5/11.
*/
public class GrayService extends Service {
private final static int GRAY_SERVICE_ID = 1001;
@Override
public void onCreate() {
super.onCreate();
Log.e("oncreate", "oncreat");
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.e("onStartCommand", "onStartCommand");
if (Build.VERSION.SDK_INT < 18) {
startForeground(GRAY_SERVICE_ID, new Notification());//API < 18 ，此方法能有效隐藏Notification上的图标
} else {
Intent innerIntent = new Intent(this, GrayInnerService.class);
startService(innerIntent);
startForeground(GRAY_SERVICE_ID, new Notification());
}
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
Log.e("onDestroy", "onDestroy");
Intent localIntent = new Intent();
localIntent.setClass(this, GrayService.class); //销毁时重新启动Service
this.startService(localIntent);
}
/**
* 给 API >= 18 的平台上用的灰色保活手段
*/
public static class GrayInnerService extends Service {
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
startForeground(GRAY_SERVICE_ID, new Notification());
stopForeground(true);
stopSelf();
return super.onStartCommand(intent, flags, startId);
}
}
}