追加するViewに View.generateViewId() 等でIDの設定と、ConstraintLayout.LayoutParams を設定する。 val subBinding = ViewSubBinding.inflate(layoutInflater) subBinding.root.id = View.generateViewId() subBinding.root.layoutParams = ConstraintLayout.LayoutParams( ConstraintLayout.LayoutParams.WRAP_CONTENT, ConstraintLayout.…