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Android System Programming

Android System Programming

By : Roger Ye, Liu
3.7 (3)
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Android System Programming

Android System Programming

3.7 (3)
By: Roger Ye, Liu

Overview of this book

Android system programming involves both hardware and software knowledge to work on system level programming. The developers need to use various techniques to debug the different components in the target devices. With all the challenges, you usually have a deep learning curve to master relevant knowledge in this area. This book will not only give you the key knowledge you need to understand Android system programming, but will also prepare you as you get hands-on with projects and gain debugging skills that you can use in your future projects. You will start by exploring the basic setup of AOSP, and building and testing an emulator image. In the first project, you will learn how to customize and extend the Android emulator. Then you’ll move on to the real challenge—building your own Android system on VirtualBox. You’ll see how to debug the init process, resolve the bootloader issue, and enable various hardware interfaces. When you have a complete system, you will learn how to patch and upgrade it through recovery. Throughout the book, you will get to know useful tips on how to integrate and reuse existing open source projects such as LineageOS (CyanogenMod), Android-x86, Xposed, and GApps in your own system.
Table of Contents (15 chapters)
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Creating OTA Packages

In the last chapter, we analyzed the internals of recovery and learnt how it works. As we saw, one of the major functionalities of recovery is to support OTA update. In this chapter, we will look at the OTA package and study the process of the OTA package update. We will cover the following topics:

  • We will look at what is inside an OTA package. We will study the internals of updater and updater-script.
  • We will learn the process about how to build an OTA package.
  • Finally, we need to improve recovery to remove the dependencies from the Android system.

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