You can use your smartphone (android/iphone) to control electrical equipment inside your home. See how.
Building an autonomous robot using a rover platform and advanced electronics is not an easy job. Kevin asked me to build a robot that would follow its user. A companion, very much like a robo-dog. See the project log here.
Create a dynamic (no XML) listview with header with all the bells and whistles. Learn how to use the item position to change its background and content for a complex result.
Learn to connect a bluetooth module to an ATMega micro controller via the UART serial interface and even further, discover it using a bluetooth enabled Android phone. The 9600bps serial link established, can than be used to exchange data: read sensors or control the robot.
A tutorial on how to build a custom adapter for an Android Listview control, and how to catch the onClick event correctly.
Includes source code.
Learn to create a tab control on Android, without the XML layout. Add an image to the tab control in a few easy steps.