ElevationUtils.java

package com.worldline.evasdk.view.utils;

import android.support.v4.view.ViewCompat;
import android.view.MotionEvent;
import android.view.View;

/**
 * Created by a557114 on 07/05/2015.
 */
public class ElevationUtils {

    public static void addTouchElevation(final View itemView) {
        final int elevationDefault = (int) ViewCompat.getElevation(itemView);
        if (elevationDefault > 0) {
            final int elevationSelected = elevationDefault * 2;

            itemView.setOnTouchListener(new View.OnTouchListener() {
                @Override
                public boolean onTouch(View v, MotionEvent event) {
                    if (event != null) {
                        if (event.getAction() == MotionEvent.ACTION_DOWN || event.getAction() == MotionEvent.ACTION_MOVE) {
                            ViewCompat.setElevation(itemView, elevationSelected);
                        } else {
                            if (ViewCompat.getElevation(itemView) != elevationDefault) {
                                ViewCompat.setElevation(itemView, elevationDefault);
                            }
                        }

                    }

                    return false;
                }
            });
        }
    }
}