public override void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height)
{
// "onSurfaceTextureAvailable" is called, which means that CameraCaptureSession is not created.
// We need to configure transform for TextureView and crate CameraCaptureSession.
outerInstance.configureTransform(width, height);
outerInstance.createPreviewSession();
}
