Android Clipping to round corners of ViewGroup :- Rounded Corner Layout

RoundedRelativeLayout

 public class RoundedRelativeLayout extends RelativeLayout {

        private RectF rectF;
        private Path path = new Path();
        private float cornerRadius = 20;

        public RoundedRelativeLayout(Context context) {
            super(context);
        }

        public RoundedRelativeLayout(Context context, AttributeSet attrs) {
            super(context, attrs);
        }

        public RoundedRelativeLayout(Context context, AttributeSet attrs, int defStyleAttr) {
            super(context, attrs, defStyleAttr);
        }

        @Override
        protected void onSizeChanged(int w, int h, int oldw, int oldh) {
            super.onSizeChanged(w, h, oldw, oldh);
            rectF = new RectF(0, 0, w, h);
            resetPath();
        }

        @Override
        public void draw(Canvas canvas) {
            int save = canvas.save();
            canvas.clipPath(path);
            super.draw(canvas);
            canvas.restoreToCount(save);
        }

        @Override
        protected void dispatchDraw(Canvas canvas) {
            int save = canvas.save();
            canvas.clipPath(path);
            super.dispatchDraw(canvas);
            canvas.restoreToCount(save);
        }

        private void resetPath() {
            path.reset();
            path.addRoundRect(rectF, cornerRadius, cornerRadius, Path.Direction.CW);
            path.close();
        }
    }