Book excerpt: A must-have collection of ready-to-use Android recipes! The popularity of Google Android devices is seemingly unstoppable and the Android 4 release offers, for the first time, a single OS solution for building both phone and tablet applications. With that exciting information in mind, veteran author Wei-Meng Lee presents you with 100 unique recipes that you can apply today in order to discover solutions to some of the most commonly encountered problems that exist in Android programming. Covering the scope of multiple Android releases up through Android 4, this reference features a task description, followed by the solution(s) available, and a standalone project file that illustrates the use of the recipe. Formatting each recipe to be standalone, Wei-Meng Lee allows you to jump into the relevant recipe to find a solution to specific challenges. Identifies and describes a programming task, provides a step-by-step solution, and presents a full-code solution ready for download Covers multiple Android releases Addresses such topics as user interfaces, telephony and messaging, networking, Google maps, location-based services, persisting data, leveraging hardware features, and more Android Application Development Cookbook is your solution to discovering...solutions!