Fixed Bug in VideoDetector

app/src/main/java/com/example/ueberwachungssystem/Detection/VideoDetector.java

     /** Stops the Recording */
     @SuppressLint("RestrictedApi")
     public void stopRecording(){
+        if(!isRecording)
+            return;
+
         videoCapture.stopRecording();
         cameraProvider.unbind(videoCapture);
         isRecording = false;

app/src/main/java/com/example/ueberwachungssystem/MainActivity.java

             @Override
             public void onDetection(@NonNull DetectionReport detectionReport) {
                 Log.d("onDetection", detectionReport.toString());
-                if (detectionReport.detectionState)
-                    vd.startRecording();
-                else
-                    vd.stopRecording();
             }
         });
         vd.startDetection();
                 if (toggleButton.isChecked())
                 {
                     //vd.startDetection();
-                    vd.stopDetection();
+                    //vd.stopDetection();
                     //vd.startRecording();
-                    audioRecorder.startRecording();
+                    //audioRecorder.startRecording();
                 }
                 else {
                     //vd.stopDetection();
                     vd.stopRecording();
-                    audioRecorder.stopRecording();
+                    //audioRecorder.stopRecording();
                 }
             }
         });