Unbinding callback from Call screen when view is destroyed

vector/src/main/java/im/vector/app/features/call/VectorCallActivity.kt

@@ -241,6 +241,7 @@ class VectorCallActivity :
         detachRenderersIfNeeded()
         turnScreenOffAndKeyguardOn()
         removeOnPictureInPictureModeChangedListener(pictureInPictureModeChangedInfoConsumer)
+        screenCaptureServiceConnection.unbind()
         super.onDestroy()
     }
 

vector/src/main/java/im/vector/app/features/call/webrtc/ScreenCaptureServiceConnection.kt

@@ -47,6 +47,10 @@ class ScreenCaptureServiceConnection @Inject constructor(
         }
     }
 
+    fun unbind() {
+        callback = null
+    }
+
     fun stopScreenCapturing() {
         screenCaptureAndroidService?.stopService()
     }