title: Get image dimensions after it draws in screen
body: <p>I have an <code>ImageView</code> with <code>MathParent</code> height and width<br/>
  In my activity it loads a pic from resource to <code>ImageView</code>. How can i get width and height of the picture inside the <code>ImageView</code> AFTER it has been scaled.<br/>
  I have not set the <code>android:scaleType</code> in XML<br/>
  these dimensions i mean!<br/>
  <img src="https://i.stack.imgur.com/a4Jdb.jpg" alt="Screenshot"></p>