Android User Interface Design details each step of the design and development process and contains extensive downloadable sample code, including complete finished apps.

While digging into the recently released Android 13 Developer Preview 2, Mishaal Rahman uncovered a custom user interface for Android that only appears when the operating system is installed on a PC.

The lack of enforced interface design prevents Android from providing a good user experience.

Google is introducing a bunch of new aesthetic changes with Android L. Here are some of our favorite new design tweaks.

Android 3.0—codenamed Honeycomb—introduces Android's new tablet user interface, which is expected to officially debut next month on Motorola's Xoom tablet.