title: How to maintain the aspect ratio of the image if imageview first stretch to fill parent
body: <p>I want to stretch the image to fill width and adjust the height according to width and maintain the aspect ratio. I want it should cover entire width (fillparent) and height of imageview should adjust like in way so that aspect ratio is maintained.</p>
  
  <p>I tried fit_xy but not working in my case. Please help me</p>