 Android's management of
bitmap memory has evolved:</p>
<ul> 
  <li>
On Android Android 2.2 (API level 8) and lower, when garbage 
collection occurs, your app's threads get stopped. This causes a lag that
can degrade performance. 
<strong>Android 2.3 adds concurrent garbage collection, which means that
the memory is reclaimed soon after a bitmap is no longer referenced.</strong>
</li>

  <li>On Android 2.3.3 (API level 10) and lower, the backing pixel data for a
bitmap is stored in native memory. It is sepa