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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

View More author details

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

Testing Wi-Fi on an emulator

We have now prepared all the images that we need for the testing process. The prebuilt test images for this chapter can be downloaded from the following URL:

https://sourceforge.net/projects/android-system-programming/files/android-7/ch07/ch07.zip/download

Booting an Android emulator using initrd.img

We can execute the following command to boot the system using initrd.img first:

$ cd $OUT 
$ emulator @a25x86 -ranchu -verbose -show-kernel -system ./system-qcow2.img -ramdisk ./initrd.img -initdata ./userdata-qcow2.img -kernel ./kernel -qemu -netdev user,id=mynet1,net=10.0.2.0/24,dhcpstart=10.0.2.50 -device virtio-net,netdev=mynet1

In the preceding command, we use QCOW2-format images for both system and user data, since they are much smaller...

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Authors (1)

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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