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Android System Programming

You're reading from   Android System Programming Porting, customizing, and debugging Android HAL

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781787125360
Length 470 pages
Edition 1st Edition
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Authors (2):
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Roger Ye Roger Ye
Author Profile Icon Roger Ye
Roger Ye
Shen Liu Shen Liu
Author Profile Icon Shen Liu
Shen Liu
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Table of Contents (15) Chapters Close

Preface 1. Introduction to Android System Programming FREE CHAPTER 2. Setting Up the Development Environment 3. Discovering Kernel, HAL, and Virtual Hardware 4. Customizing the Android Emulator 5. Enabling the ARM Translator and Introducing Native Bridge 6. Debugging the Boot Up Process Using a Customized ramdisk 7. Enabling Wi-Fi on the Android Emulator 8. Creating Your Own Device on VirtualBox 9. Booting Up x86vbox Using PXE/NFS 10. Enabling Graphics 11. Enabling VirtualBox-Specific Hardware Interfaces 12. Introducing Recovery 13. Creating OTA Packages 14. Customizing and Debugging Recovery

Extending recovery and the updater

After we have set up the debug environment for both recovery and the updater, we will extend both in this chapter to achieve the following goals:

  • Customized update package: We will create a single system image that can be used for a standard Android boot and a two stages boot.
  • Creating partitions: We introduced how to install x86vbox images to hard disk using NFS in Chapter 9, Booting Up x86vbox Using PXE/NFS. We will use recovery as a method to install x86vbox images in this chapter. To install x86vbox images on a blank hard disk, we need to add an option to allow the users to create partitions on the hard disk.
  • VBox shared folder: In order to access the x86vbox update images conveniently, we will enhance recovery to be able to use the VirtualBox shared folder to store update packages. Since the VirtualBox shared folder can be accessed from both the host and the device, the developers...
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