In this tutorial you'll learn how to create a Twitter widget that updates every 30 seconds.
Styling the ActionBar – Part 3
Mark Allisons 3rd post about styling the ActionBar. You should check out the past posts if you haven't already.
Test Automation - 10 Lessons Learned
In this post Dominik Dary gives you 10 (sometimes painful) lessons learned, when doing Test Automation.
Chris Banes has released PhotoView, a simple ImageView that support zooming, both by Multi-touch gestures and double-tap.
Disk LRU Cache
Disk LRU Cache, written by Jake Wharton, is a cache that uses a certain amount of space on a filesystem.
Jalousie, a library providing expandable layouts and views for Android.
Second blog post by Tayler Ling about UI/UX tips for designing Android apps.
Droid Style is a little blog dedicated how little design details are done in the Android world.
Travel Booking and Planning
The Verge app. Nice designed and worth a look.