tree 17a5b6443943f2d5aa04016c575f7fb09ffb6caa
parent 31178b8237ccb6af666df60ef60c116c8afdf316
author Sunny Goyal <sunnygoyal@google.com> 1423784081 -0800
committer Adam Cohen <adamcohen@google.com> 1424819905 +0000

Reducing memory usage of wallpaper picker

> Loading preview bitmap only once, instead of loading it twice at BitmapRegionTileSource and BitmapSource
> Maintaing a weak-set of reusable bitmaps and reusing them for decoding bitmaps
> Loading images on a HandlerThread (instead of AsyncTask) and removing any non-started task before submitting a new task
> Loading inbuild images (from resources) on HandlerThread instead of UIThread
> Freeing up unbound GL textures before binding a new texture.

Bug: 18382606
Change-Id: Ic4ca630dd113ded65d2853eb0d291c9e5823637e
(cherry picked from commit 283c2261bd4440f4108a564cea0f5fc499781213)