Removed Permission Handling from Video Detector, Added PermissionHandler.java class

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

@@ -112,11 +112,6 @@ public class VideoDetector extends Detector {
         // Check States
         if (isDetecting)
             return;
-        // Return On Request Permissions
-        if (!hasPermissions()) {
-            getPermissions();
-            return;
-        }
         // Configure Image Analysis
         imageAnalysis = setupImageAnalysis();
         // Open CV startup check
@@ -145,11 +140,6 @@ public class VideoDetector extends Detector {
         if (isRecording){
             return;
         }
-        // Return On Request Permissions
-        if (!hasPermissions()) {
-            getPermissions();
-            return;
-        }
 
         videoCapture = setupVideoCapture();
 
@@ -324,7 +314,6 @@ public class VideoDetector extends Detector {
         return display.getRotation();
     }
 
-
     /** Start delay until Violation Report is allowed */
     private void startViolationTimer(float setupTime) {
         new CountDownTimer((long) (START_DELAY), 100) {
@@ -338,16 +327,6 @@ public class VideoDetector extends Detector {
         }.start();
     }
 
-    /** Permission handling */
-    private boolean hasPermissions() {
-        return ContextCompat.checkSelfPermission(context, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED &&
-                ContextCompat.checkSelfPermission(context, Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
-    }
-    private void getPermissions() {
-        if (!hasPermissions())
-            ActivityCompat.requestPermissions((Activity) context, new String[]{android.Manifest.permission.CAMERA, Manifest.permission.RECORD_AUDIO}, PERMISSION_REQUEST_CODE);
-    }
-
     public void setOutputDir(File outputDir) {
         this.outputDir = outputDir;
     }

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

@@ -30,39 +30,50 @@ public class MainActivity extends AppCompatActivity {
         PreviewView previewView = findViewById(R.id.previewView);
 
 
-        VideoDetector vd = new VideoDetector(this);
-        //vd.setPreviewView(previewView);
-        vd.debugProcessing(inputImageView, outputImageView);
-        vd.setOnDetectionListener(new Detector.OnDetectionListener() {
-            @Override
-            public void onDetection(@NonNull DetectionReport detectionReport) {
-                Log.d("onDetection", detectionReport.toString());
-            }
-        });
-        vd.startDetection();
-
-
-        AudioRecorder audioRecorder = new AudioRecorder(this);
-
-
-
-        ToggleButton toggleButton = findViewById(R.id.toggleButton);
-        toggleButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                if (toggleButton.isChecked())
-                {
-                    //vd.startDetection();
-                    //vd.stopDetection();
-                    vd.startRecording();
-                    audioRecorder.startRecording();
+        PermissionHandler permissionHandler = new PermissionHandler(this);
+
+
+        permissionHandler.getPermissions();
+
+        if (permissionHandler.hasPermissions()) {
+            AudioRecorder audioRecorder = new AudioRecorder(this);
+            VideoDetector vd = new VideoDetector(this);
+            //vd.setPreviewView(previewView);
+            vd.debugProcessing(inputImageView, outputImageView);
+            vd.setOnDetectionListener(new Detector.OnDetectionListener() {
+                @Override
+                public void onDetection(@NonNull DetectionReport detectionReport) {
+                    Log.d("onDetection", detectionReport.toString());
                 }
-                else {
-                    //vd.stopDetection();
-                    vd.stopRecording();
-                    audioRecorder.stopRecording();
+            });
+            vd.startDetection();
+
+            ToggleButton toggleButton = findViewById(R.id.toggleButton);
+            toggleButton.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    if (toggleButton.isChecked())
+                    {
+                        //vd.startDetection();
+                        //vd.stopDetection();
+                        vd.startRecording();
+                        audioRecorder.startRecording();
+                    }
+                    else {
+                        //vd.stopDetection();
+                        vd.stopRecording();
+                        audioRecorder.stopRecording();
+                    }
                 }
-            }
-        });
+            });
+
+
+
+
+
+
+
+        }
+
     }
 }

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

@@ -0,0 +1,35 @@
+package com.example.ueberwachungssystem;
+
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.pm.PackageManager;
+
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+
+public class PermissionHandler {
+    private final Context context;
+    private static final int PERMISSION_REQUEST_CODE = 23409;
+    private static final String[] permissions = new String[]{
+            android.Manifest.permission.CAMERA,
+            android.Manifest.permission.RECORD_AUDIO
+    };
+
+    public PermissionHandler(Context context) {
+        this.context = context;
+    }
+
+    public boolean hasPermissions() {
+        boolean permissionState = true;
+        for (String permission: permissions) {
+            permissionState = permissionState && ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED;
+        }
+        return permissionState;
+    }
+
+    public void getPermissions() {
+        if (!hasPermissions())
+            ActivityCompat.requestPermissions((Activity) context, permissions, PERMISSION_REQUEST_CODE);
+    }
+}