Android ADT bundle now creates two projects: appcompat_v7 and your project. When you try to run your application on the emulator you may be seeing runtime exceptions. This tutorial will help you fix that issue.

Emulator setup with earlier version.

Mobile App Development Maze - Find your way : Part 1.

Mobile App Development Maze - Find your way : Part 2.

Mobile App Development Maze - Find your way : Part 3.