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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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Tools
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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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Toc

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

Building and testing x86emu

Once we have the source code, we can start to build and test our x86emu device in this section.

Building x86emu

Before we start to build x86emu, let's have a quick look at the Android build system first. The major difference between the Android build system from other make-based build systems is that the Android build system doesn't rely on recursive Makefiles. Android Makefiles end in the extension .mk; the main Makefile for a particular source directory is named Android.mk. The build system imports all Android.mk from various folders to create one large Makefile to start the build, as we can see from the following code snippet:

$ make -j4 
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION...
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