ViewComponent.kt

interface ViewComponent {
    fun draw()
}

class TextView : ViewComponent {
    override fun draw() {
        // Draw text view on screen
    }
}

class ImageView : ViewComponent {
    override fun draw() {
        // Draw image view on screen
    }
}

class LinearLayout : ViewComponent {
    private val viewComponents = mutableListOf<ViewComponent>()

    fun addView(view: ViewComponent) {
        viewComponents.add(view)
    }

    fun removeView(view: ViewComponent) {
        viewComponents.remove(view)
    }

    override fun draw() {
        for (view in viewComponents) {
            view.draw()
        }
    }
}

val linearLayout = LinearLayout()
val textView = TextView()
val imageView = ImageView()

linearLayout.addView(textView)
linearLayout.addView(imageView)
linearLayout.draw()