title: how device gallery show large images?
body: <p>Whenever I try to show large size(1 MB) bitmap in imageview, system throw OutOfMemory exception.</p>
  
  <p>If I place 7-8 MB image, gallery can easily show that image.</p>
  
  <p>Just want to know How device default gallery is able to show large image in easy way?</p>
  
  <ol>
  <li>Which mechanism is used by device gallery?</li>
  </ol>