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

Product type Paperback

Published in May 2017

Publisher Packt

ISBN-13 9781787125360

Length 470 pages

Edition 1st Edition

Languages

Java

Tools

Android

Concepts

Android Development

Authors (2):

Roger Ye

Shen Liu

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Table of Contents (15) Chapters

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

Debugging the Boot Up Process Using a Customized ramdisk

In the last chapter, we learnt to enable Houdini in the Android emulator using our own x86emu device. With that, we can move on to more challenging tasks in the next few chapters. Most device- or system-level customization will involve changes to the Android system start up sequence. In this chapter, we will analyze the Android system start up sequence and learn the knowledge related to the customization and debugging of the start up sequence. In this chapter, we will cover the following topics:

Android start up process analysis
Starting up process for the Android-x86
Creating a filesystem for the Android-x86 initrd.img

We will start with the analysis of a normal Android boot up process. After that, we will introduce the Android-x86 two-stage boot up. We will build a filesystem for the Android emulator that can work with Android-x86 initrd.img. This method...

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Authors (2)

Liu

Mike Liu studied Mathematics and Software Engineering at Nanjing University and Brandeis University, where he graduated with a Bachelor's degree and a Master's degree, respectively. He is a Sun Certified Java Programmer (SCJP), Microsoft Certified Solution Developer for Visual Studio 6.0, and Microsoft Certified Solution Developer for .NET. He has been working as a software engineer/architect on various platforms (DOS, Unix, and Windows) using C/C++, Java, VB/VB.NET, and C#. Mike started using C# for production development back in the year 2001 when C# was still in beta stage, and he is now working as a senior software engineer for an investment management firm in Boston, Massachusetts, US. Mike had his first book, MITT: Multi-user Integrated Table-processing Tool Under Unix, Beijing Hangtian University Press, published in 1993, and second book, Advanced C# Programming, Tsinghua University Press, published in 2003. The previous three versions of this book were published in 2008, 2010, and 2012.

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Roger Ye

Roger Ye is an embedded system programmer who has great interest in virtualization, Android, and cross-platform technologies. His professional experience includes working with major companies like Motorola, Emerson, Intel, and EPAM, where he held the position of Engineering Manager. At Motorola and Emerson, he worked on embedded system projects for mobile devices and telecommunication infrastructures. He is now an engineering manager at EPAM, working with a team to deliver digital solutions for diverse clients.

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