title: Add image programmatically
body: <p>I have several images in my mipmap folder and I want to add them to the screen at a specific location and then move them.  Here is the code I thought should work:</p>
  
  <pre><code>ImageView item = new ImageView(this);
  item.setImageResource(R.mipmap.ball);
  </code></pre>
  
  <p>Where ball is a valid png file.  Why doesn't this code show the image?  </p>