CameraPreview.kt

@Composable
fun CameraPreview( … ) {

    …

    fun rebindCameraProvider() {
        val cameraSelector = CameraSelector.Builder()
            .requireLensFacing(CameraSelector.LENS_FACING_FRONT)
            .build()
        
        cameraProvider?.bindToLifecycle(
            localLifecycleOwner,
            cameraSelector,
            previewUseCase
        )
    }

    … 
}