服务状态的工具类

public class ServiceStateUtils {    public static boolean getServiceState(Activity activity, String ServiceName) {        boolean flag = false;        ActivityManager am = (ActivityManager) activity.getSystemService(Context.ACTIVITY_SERVICE);        List<ActivityManager.RunningServiceInfo> services = am.getRunningServices(100);        for (ActivityManager.RunningServiceInfo service : services) {            String className = service.service.getClassName();            if (ServiceName.equals(className)) {                return true;            }        }        return false;    }}