changed app to 1000 wallpapers by adding set wallpaper functionality
BUG fixed: disk cache can now delete files if cache size needs to be
reduced
Added rotating spinner as progress indicator while loading images
updated artwork for google play
- Added banner ad on image view
- added google analytics
Only use one ImageAdapter instance
- moved static classes of BitmapWorkerTask to own files
- reimplemented WeakReferenceDrawable as delegating drawable
changed package name to de.marcusschiesser.wallpapers
updated readme
Merge branch 'wallpapers'