Browse Library
Sign In Start Free Trial
Close icon Search icon
Account
Browse Library Sign In Start Free Trial

Add to playlist

Create a Playlist

Modal Close icon
You need to login to use this feature.
  • Book Overview & Buying Learning Embedded Android N Programming
  • Table Of Contents Toc
Learning Embedded Android N Programming

Learning Embedded Android N Programming

By : Morgillo
2.8 (5)
Buy this Book
close
close
Learning Embedded Android N Programming

Learning Embedded Android N Programming

2.8 (5)
By: Morgillo
Buy this Book

Overview of this book

Take a deep dive into the Android build system and its customization with Learning Embedded Android Programming, written to help you master the steep learning curve of working with embedded Android. Start by exploring the basics of Android OS, discover Google’s “repo” system, and discover how to retrieve AOSP source code. You'll then find out to set up the build environment and the first AOSP system. Next, learn how to customize the boot sequence with a new animation, and use an Android “kitchen” to “cook” your custom ROM. By the end of the book, you'll be able to build customized Android open source projects by developing your own set of features.
Table of Contents (10 chapters)
close
close
close
Preface
Icon
Preface
Icon
What this book covers
Icon
What you need for this book
Icon
Who this book is for
Icon
Conventions
Icon
Reader feedback
Icon
Customer support
Lock Free Chapter
1
1. Understanding the Architecture
Icon
1. Understanding the Architecture
Icon
An overview of the Android system
Icon
Android compatibility
Icon
Beyond Java
Icon
From Dalvik to ART runtime
Icon
Meeting the Compatibility Test Suite
Icon
Diving deeper with CTS Verifier
Icon
Summary
2
2. Obtaining the Source Code – Structure and Philosophy
Icon
2. Obtaining the Source Code – Structure and Philosophy
Icon
The Android philosophy
Icon
Setting up the environment
Icon
Installing the required tools
Icon
Getting ready
Icon
A look inside AOSP
Icon
Summary
3
3. Set up and Build – the Emulator Way
Icon
3. Set up and Build – the Emulator Way
Icon
Preparing the host system
Icon
The Android build system
Icon
Creating a custom device
Icon
From zero to the screenlock
Icon
Summary
4
4. Moving to Real-World Hardware
Icon
4. Moving to Real-World Hardware
Icon
Debugging tools
Icon
Choosing our hardware
Icon
Compiling Android for a real-world device
Icon
Bootloader mode
Icon
Flashing Android images
Icon
Summary
5
5. Customizing Kernel and Boot Sequence
chevron up
Icon
5. Customizing Kernel and Boot Sequence
Icon
An overview of the Linux kernel
Icon
Setting up the toolchain
Icon
Preparing the host system
Icon
Configuring the kernel
Icon
Compiling the kernel
Icon
Working with non-Google devices
Icon
Driver management
Icon
Altering the CPU frequency
Icon
Customizing the boot image
Icon
Android boot sequence
Icon
Summary
6
6. "Cooking" Your First ROM
Icon
6. "Cooking" Your First ROM
Icon
History of custom ROMs
Icon
An overview of Android recovery
Icon
Device permissions
Icon
Chef toolkit
Icon
Cooking our first ROM
Icon
Flashing our custom ROM
Icon
Summary
7
7. Tailoring Your Personal Android System
Icon
7. Tailoring Your Personal Android System
Icon
Receiving over the air updates – OTA
Icon
Creating over the air updates
Icon
Advanced ROM customization
Icon
Hacking the Android framework
Icon
Enhancing the system performance
Icon
Advanced Linux kernel modding
Icon
Looking forward
Icon
Summary
8
8. Beyond the Smartphone
Icon
8. Beyond the Smartphone
Icon
Meeting Arduino
Icon
Exploring the possibilities of the Internet of Things
Icon
Domotics
Icon
Can a green droid entertain you?
Icon
Summary
9
Index
Icon
Index

Customizing the boot image

So far, you learned how to obtain the kernel source code, how to set up the system, how to configure the kernel, and how to create your first custom kernel image. The next step is about equipping your device with your new kernel. To achieve this, we are going to analyze the internal structure of the boot.img file used by every Android device.

Creating the boot image

A custom ROM comes with four .img files, necessary to create a working Android system. Two of them (system.img and data.img) are compressed images of a Linux compatible filesystem.

The remaining two files (boot.img and recovery.img) don't contain a standard filesystem. Instead, they are custom image files, specific to Android. These images contain a 2KB header sector, the kernel core, compressed with gzip, a ramdisk, and an optional second stated loader.

Android provides further info about the internal structure of the image file in the boot.img.h file contained in the mkbootimg package in the AOSP source...

CONTINUE READING
83
Tech Concepts
36
Programming languages
73
Tech Tools
Icon Unlimited access to the largest independent learning library in tech of over 8,000 expert-authored tech books and videos.
Icon Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.
Icon 50+ new titles added per month and exclusive early access to books as they are being written.
Learning Embedded Android N Programming
End of Chapter 5
Next Chapter
notes
bookmark Notes and Bookmarks search Search in title playlist Add to playlist download Download options
font-size Font size

Change the font size

margin-width Margin width

Change margin width

day-mode Day/Sepia/Night Modes

Change background colour

Close icon Search
Country selected
Close icon Your notes and bookmarks

Confirmation

Modal Close icon
claim successful
Order Page Read Now

Buy this book with your credits?

Modal Close icon
Are you sure you want to buy this book with one of your credits?
Close
YES, BUY

Submit Your Feedback

Modal Close icon
Modal Close icon
Modal Close icon