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Java for Android, Second Edition by Budi Kurniawan

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Chapter 23

Introduction to Android

Android is the most popular mobile platform today and it comes with a comprehensive set of APIs that make it easy for developers to write, test and deploy apps. With these APIs you can easily show user interface (UI) components, play and record audio and video, create games and animation, store and retrieve data, search the Internet, and so on.

The software development kit (SDK) for Android application development is free and includes an emulator, a computer program that can be configured to mimic a hardware device. This means, you can develop, debug and test your applications without physical devices.

Overview

The Android operating system is a multi-user Linux system. Each application runs as a different ...

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