Create Transition animation for android app

I would like code for a transition animation of an Icon. I would like a similar animation like on this link [login to view URL] whereby the icon morphs(transforms) into the next icon. In the example the Burger changes into a Back arrow. I have a Love icon that I need a transition animation into a smiley face icon for an android app. I need code to animate the transition so that I can integrate in an app I have attached the images in different resolutions. Need ASAP First step to provide animated GIF of the animation, once approved. Then we can proceed to code