SelectableChipView.kt

class SelectableChipView
@JvmOverloads constructor(
    context: Context,
    attributeSet: AttributeSet? = null,
    defStyleAttr: Int = 0
) : AppCompatTextView(context, attributeSet, defStyleAttr) {

    init {
        clipToOutline = true
        outlineProvider = object : ViewOutlineProvider() {
            override fun getOutline(view: View, outline: Outline) {
                outline.setRoundRect(0, 0, view.width, view.height, 20f)
            }
        }
        // here we are just adding round rect or "chip" shape to our view 
    }

    fun bind(isSelected: Boolean) {
        setBackgroundColor(if (isSelected) Color.BLACK else Color.LTGRAY)
        setTextColor(if (isSelected) Color.WHITE else Color.BLACK)
        // here we are changing a colors depending on isSelectedFlag
    }
}