SquareLayout makes sure that the view appears to be a square at all times no matter what it's attributes and children are.

SquareLayout.kt

import android.content.Context
import android.util.AttributeSet
import android.widget.FrameLayout

class SquareLayout : FrameLayout {
    constructor(context: Context) : super(context)

    constructor(context: Context, attrs: AttributeSet) : super(context, attrs)

    constructor(context: Context, attrs: AttributeSet, defStyle: Int) : super(context, attrs, defStyle)

    public override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
        super.onMeasure(widthMeasureSpec, widthMeasureSpec)
    }
}