title: Overlap an imageview on top of another imageview to make animation
body: <p>I'm developing an android application. I want to create animation with <code>imageviews</code>. Currently, I have 20-25 images to make some actions with those images.</p>
  
  <p>I want to overlap one image on top of another image without any user interaction.</p>
  
  <p>So please help me asap.</p>
  
  <p>Hey, I tried this:
  <a href="http://developer.android.com/reference/android/graphics/drawable/AnimationDrawable.html" rel="nofollow noreferrer">http://developer.android.com/reference/android/graphics/drawable/AnimationDrawable.html</a></p>
  
  <p>With this, my application crashes...</p>