perform resume activity exception

Thread [<1> main] (Suspended (exception RuntimeException))    
    ActivityThread.performResumeActivity(IBinder, boolean) line: 2120    
    ActivityThread.handleResumeActivity(IBinder, boolean, boolean) line: 2135    
    ActivityThread.handleLaunchActivity(ActivityThread$ActivityClientRecord, Intent) line: 1668    
    ActivityThread.access$1500(ActivityThread, ActivityThread$ActivityClientRecord, Intent) line: 117    
    ActivityThread$H.handleMessage(Message) line: 931    
    ActivityThread$H(Handler).dispatchMessage(Message) line: 99    
    Looper.loop() line: 123    
    ActivityThread.main(String[]) line: 3683    
    Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]    
    Method.invoke(Object, Object...) line: 507    
    ZygoteInit$MethodAndArgsCaller.run() line: 839    
    ZygoteInit.main(String[]) line: 597    
    NativeStart.main(String[]) line: not available [native method]    
Thread [<8> Binder Thread #2] (Running)    
Thread [<7> Binder Thread #1] (Running)    
Thread [<9> Binder Thread #3] (Running)

public class RadioService extends Service {
    
    private IBinder binder = new LocalBinder();
    
    public class LocalBinder extends Binder {
        public RadioService getService(){
            return RadioService.this;
        }
    }
        
    @Override
    public void onCreate() { super.onCreate();}
    
    @Override
    public void onStart(Intent intent, int startId) {}
    
    @Override
    public IBinder onBind(Intent intent) { return binder;}
    
    @Override
    public void onDestroy() { }
    
    void dummy(){}
    
}


public class Alarm extends Activity{
    private RadioService myRadioService;
    
    private ServiceConnection sConn = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName className, IBinder service) {
            myRadioService = ((RadioService.LocalBinder) service).getService();
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
            myRadioService = null;            
        }
        };

    @Override
    public void onResume() {    
        verbindeMitService();
    }
    
    private void verbindeMitService() {
        Intent intent = new Intent(getApplicationContext(), RadioService.class);
        bindService(intent, sConn, Context.BIND_AUTO_CREATE); // (2)
    }