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  • Book Overview & Buying Learning Embedded Android N Programming
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Learning Embedded Android N Programming

Learning Embedded Android N Programming

By : Morgillo
2.8 (5)
Buy this Book
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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)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Understanding the Architecture
1. Understanding the Architecture
An overview of the Android system
Android compatibility
Beyond Java
From Dalvik to ART runtime
Meeting the Compatibility Test Suite
Diving deeper with CTS Verifier
Summary
2
2. Obtaining the Source Code – Structure and Philosophy
2. Obtaining the Source Code – Structure and Philosophy
The Android philosophy
Setting up the environment
Installing the required tools
Getting ready
A look inside AOSP
Summary
3
3. Set up and Build – the Emulator Way
3. Set up and Build – the Emulator Way
Preparing the host system
The Android build system
Creating a custom device
From zero to the screenlock
Summary
4
4. Moving to Real-World Hardware
4. Moving to Real-World Hardware
Debugging tools
Choosing our hardware
Compiling Android for a real-world device
Bootloader mode
Flashing Android images
Summary
5
5. Customizing Kernel and Boot Sequence
5. Customizing Kernel and Boot Sequence
An overview of the Linux kernel
Setting up the toolchain
Preparing the host system
Configuring the kernel
Compiling the kernel
Working with non-Google devices
Driver management
Altering the CPU frequency
Customizing the boot image
Android boot sequence
Summary
6
6. "Cooking" Your First ROM
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6. "Cooking" Your First ROM
History of custom ROMs
An overview of Android recovery
Device permissions
Chef toolkit
Cooking our first ROM
Flashing our custom ROM
Summary
7
7. Tailoring Your Personal Android System
7. Tailoring Your Personal Android System
Receiving over the air updates – OTA
Creating over the air updates
Advanced ROM customization
Hacking the Android framework
Enhancing the system performance
Advanced Linux kernel modding
Looking forward
Summary
8
8. Beyond the Smartphone
8. Beyond the Smartphone
Meeting Arduino
Exploring the possibilities of the Internet of Things
Domotics
Can a green droid entertain you?
Summary
9
Index
Index

An overview of Android recovery

One of the most important parts of the whole Android architecture is the Recovery partition. A recovery partition is very common in embedded systems, and we saw an overview of it in previous chapters. As we know, the so-called Recovery is a minimal runtime system, completely decoupled from the main Android system and totally self-sufficient. Its main goal is to guarantee system integrity and provide the necessary tools to fix common minor issues and restore a properly working system.

With an Android vanilla Recovery, we can:

  • Update the Android system

  • Wipe the data partition and the cache partition

Wiping the data and cache partition is a common practice if we want to restore our device to the factory defaults, for instance, in order to have a clean system to start experimenting on something specific, or if we just want to sell it.

Diving into Android recovery

The Android Recovery system is completely standalone. This means that whatever might happen to the main...

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