TayfunCesur

bottomSheetBehavior.setBottomSheetCallback(object : BottomSheetBehavior.BottomSheetCallback() {
    override fun onSlide(p0: View, p1: Float) {
        val ra = radius - (radius * p1)
        (p0 as CurvedLayout).setCorner(ra)
    }

    override fun onStateChanged(p0: View, p1: Int) {

    }
})

TayfunCesur

fun setCorner(radius: Float) {
    mCurveStartPoint.set(0, radius.toInt())
    mCurveEndPoint.set(mWidth, radius.toInt())
    //Apply our new points to our path like above
    mPath.apply {
          
          //...
          invalidate()
    }
}

TayfunCesur

override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
    //...
    
    mPath.apply {
    //1.Step
    moveTo(
        mCurveStartPoint.x.toFloat(),
        mCurveStartPoint.y.toFloat()
    )
    //2.Step

TayfunCesur

override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
    super.onSizeChanged(w, h, oldw, oldh)
    mCurveStartPoint.set(0, radius)
    mCurveEndPoint.set(w, radius)

    mControlPoint1.set(
         mCurveStartPoint.x + radius,
         mCurveStartPoint.y - radius)
    
    mControlPoint2.set(