title: Android drag and return to previous activity like Facebook and Google Photos
body: <p>I have been finding a way to implement animation like Facebook and Google Photos. When in 2nd Activity, when dragging images the images follow and the 2nd Activity started to fade out and we see 1st Activity. Images of what I was trying to ask is here.
  <a href="https://i.stack.imgur.com/MtiEY.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/MtiEY.jpg" alt="enter image description here"></a></p>