(Android has very rich functions in the SDK. This e-book attempts to introduce the SDK through comments and examples, so that you can develop the next generation of multimedia applications. The examples in this book not only show how to display and play multimedia, but also allow you to use the camera, microphone and video capture functions. The book is roughly composed of three parts: the first four chapters will manage drawings; The next four chapters manage audio; The next four chapters will cover video and the use of Web services to search and share multimedia.)