selfieseg_android_13.kt

class MainActivity : AppCompatActivity() {
    
    ... 
  
    private lateinit var frameAnalyser : FrameAnalyser

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        ... 
    
        drawingOverlay = findViewById( R.id.camera_drawing_overlay )
        ...
        frameAnalyser = FrameAnalyser( drawingOverlay )  
        ...
    }

    private fun setupCameraProvider() {
        ...
    }

    private fun bindPreview(cameraProvider: ProcessCameraProvider) {
        ...
        // Attach the frameAnalyser here ...
        imageAnalysis.setAnalyzer( Executors.newSingleThreadExecutor() , frameAnalyser )
        cameraProvider.bindToLifecycle(
            (this as LifecycleOwner),
            cameraSelector,
            imageAnalysis,
            preview
        )
    }
}