如何判断一个Android服务是否在前台运行? [英] How to determine if an Android Service is running in the foreground?

问题描述

我认为有一项服务在前台运行，如何检查我的实现是否有效?

I have a service which I believe to have running in the foreground, How do I check if my implementation is working?

推荐答案

private boolean isServiceRunning(String serviceName){
    boolean serviceRunning = false;
    ActivityManager am = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE);
    List<ActivityManager.RunningServiceInfo> l = am.getRunningServices(50);
    Iterator<ActivityManager.RunningServiceInfo> i = l.iterator();
    while (i.hasNext()) {
        ActivityManager.RunningServiceInfo runningServiceInfo = i
                .next();

        if(runningServiceInfo.service.getClassName().equals(serviceName)){
            serviceRunning = true;

            if(runningServiceInfo.foreground)
            {
                //service run in foreground
            }
        }
    }
    return serviceRunning;
}

如果您想知道您的服务是否在前台运行，只需打开其他一些胖应用程序，然后检查服务是否仍在运行或仅检查标志 service.foreground.

If you want to know if your service is running in foreground just open some others fat applications and then check if service is still running or just check flag service.foreground.

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