工具类：校验某个服务是否还活着

    import java.util.List;                import android.app.ActivityManager;        import android.app.ActivityManager.RunningServiceInfo;        import android.content.Context;                public class ServiceUtils {                    /**            * 校验某个服务是否还活着             * serviceName :传进来的服务的名称            */            public static boolean isServiceRunning(Context context,String serviceName){                ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);                List<RunningServiceInfo> infos = am.getRunningServices(100);                for(RunningServiceInfo info : infos){                    String name = info.service.getClassName();                    if(name.equals(serviceName)){                        return true;                    }                }                return false;            }        }