title: How to implement instagram similar like effect in ios?
body: <p>I am developing a social app in which I want to implement like functionality similar to instagram, there are feeds with images similar to instagram when user double taps any image then it should show a heart icon with animation similar to instagram. I tried to do the same thing but unable to achieve the animation, can anybody tell me how can I do that.
  I am attaching the image of instagram like functionality.<br>
  <img src="https://i.stack.imgur.com/GxyVF.jpg" alt="enter image description here"></p>