example how round corners for any view

RoundViewConres.kt

fun View.setRoundedCornersRes(@DimenRes resId: Int) {
    setRoundedCorners(resources.getDimension(resId))
}

fun View.setRoundedCorners(@Px radius: Int) {
    setRoundedCorners(radius.toFloat())
}

fun View.setRoundedCorners(@Px radius: Float) {
    clipToOutline = true
    outlineProvider = object : ViewOutlineProvider() {
        override fun getOutline(view: View, outline: Outline) {
            val rect = Rect(0, 0, view.width, view.height)
            outline.setRoundRect(rect, radius)
        }
    }
}

fun View.setRoundedCornersTopRes(@DimenRes resId: Int) {
    setRoundedCornersTop(resources.getDimension(resId))
}

fun View.setRoundedCornersTop(@Px radius: Float) {
    clipToOutline = true
    outlineProvider = object : ViewOutlineProvider() {
        override fun getOutline(view: View, outline: Outline) {
            val rect = Rect(0, 0, view.width, (view.height + radius).toInt())
            outline.setRoundRect(rect, radius)
        }
    }
}

fun View.setClipCircle() {
    clipToOutline = true
    outlineProvider = object : ViewOutlineProvider() {
        override fun getOutline(view: View, outline: Outline) {
            val rect = Rect(0, 0, view.width, view.height)
            outline.setRoundRect(rect, view.width.toFloat() / 2)
        }
    }
}