Android8.0 行为变更之 Serivce

1.在我的MyBroadcastReceiver.java中:

        Intent service = new Intent(context, TimerService.class);
	// Android 8.0使用startForegroundService在前台启动新服务
	if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
	   context.startForegroundService(service);
        else
           context.startService(service);

2.在我的TimeService.java中:

    private static final String CHANNEL_ID = "11111";//渠道ID
    private static final String CHANNEL_NAME = "TimerForegroundServiceChannel";  //渠道名称
       
   //在android8.0以上版本,如果您的服务已启动(正在运行startService(Intent)),那么还应使该 
         //服务在前台运行,并在此状态下向用户提供持续显示的通知。
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {

            @SuppressLint("WrongConstant")
            NotificationChannel channel = new NotificationChannel(CHANNEL_ID, CHANNEL_NAME,
                    IMPORTANCE);//构造NotificationChannel对象
            NotificationManager manager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
            manager.createNotificationChannel(channel);//创建通知渠道
            //在之前创建的渠道上发送一个通知(用CHANNEL_ID与之前创建的渠道关联)
            Notification notification = new Notification.Builder(getApplicationContext(), CHANNEL_ID).build();
            startForeground(1, notification);//将服务置于前台状态
        }

这样就能正常使用服务了

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转载自blog.csdn.net/sytandxly/article/details/81101319