DummyView.java

package com.avinash.uihelper;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.view.View;

import java.util.ArrayList;
import java.util.List;

public class DummyView extends View {
        private List<View> views = new ArrayList<>();
        private Drawable divider;
        private int dividerWidth;
        private int dividerHeight;

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

        public void setDivider(Drawable divider, int dividerWidth, int dividerHeight) {
            if (divider != null) {
                this.divider = divider;
                this.dividerWidth = dividerWidth;
                this.dividerHeight = dividerHeight;

                divider.setBounds(0, 0, dividerWidth, dividerHeight);
            }
        }

        /**
         * Add a view for the DummyView to draw.
         *
         * @param childView View to draw
         */
        public void addFakeView(View childView) {
            childView.layout(0, 0, getWidth(), childView.getMeasuredHeight());
            views.add(childView);
        }

        @Override
        protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
            super.onLayout(changed, left, top, right, bottom);
            final int len = views.size();
            for (int i = 0; i < len; i++) {
                View v = views.get(i);
                v.layout(left, top, left + v.getMeasuredWidth(), top + v.getMeasuredHeight());
            }
        }

        public void clearViews() {
            views.clear();
        }

        @Override
        public void dispatchDraw(Canvas canvas) {
            canvas.save();
            if (divider != null) {
                divider.setBounds(0, 0, dividerWidth, dividerHeight);
            }

            final int len = views.size();
            for (int i = 0; i < len; i++) {
                View v = views.get(i);

                canvas.save();
                canvas.clipRect(0, 0, getWidth(), v.getMeasuredHeight());
                v.draw(canvas);
                canvas.restore();

                if (divider != null) {
                    divider.draw(canvas);
                    canvas.translate(0, dividerHeight);
                }

                canvas.translate(0, v.getMeasuredHeight());
            }

            canvas.restore();
        }
    }