Book Name : Professional Android Application Development
Author : Reto Meier
Wiley Publishing Inc.
Now is an exciting time for mobile developers. Mobile phones have never been more popular, and powerful smartphones are now a regular choice for consumers. Stylish and versatile phones packing hardware features like GPS, accelerometers, and touch screens are an enticing platform upon which to create innovative mobile applications.
I hope that is helpful
May the knowledge be with you