Android system programming requires the software and hardware knowledge necessary to work on system-level programming. Therefore, the Developers must employ different techniques to analyze the various components within the devices of their choice. Despite all the difficulties, there is usually an extensive learning curve to acquiring the relevant information in this field.
A separate group of people is developing the layers underneath the Android framework. They are frequently called Android system developers. In contrast with Android developers of apps, Android system developers use C/C++ as a programming language and assembly language to create device drivers and system services.
Moreover, the potential for Android System development remains more uncertain than the Android development of apps. The development tools and environment used for Android application development are easy to understand.
Requirements of Android System Programming
To build Android System Development, we can utilize an Android NDK to create Android systems-wide or native apps. Many people consider Android Open Source Project (AOSP) Android system development. However, Android system development involves developing native app drivers, services, or other applications for devices running a particular hardware platform. It is closer to the hardware and the operating system, whereas Android application development is more general and hardware-independent.
Due to the OS’s dependency on its hardware and OS, it is harder to teach Android system programming than Android applications. Given the number of books available, this is clear. It is easier to begin introducing Android application development by providing specific examples. Moreover, People reading books on application programming can follow the guidelines and test the apps using the most available Android devices.
However, many Android systems programming books cover general ideas. If authors want to provide examples, they must be able to relate them to specific devices and an Android version. It makes it difficult for the reader to follow precisely the same process.
About The Author of Android System Programming Pdf
Roger Ye has worked in embedded programming for over ten years. He is a pioneer in the system programming of portable devices, home gateways, and telecommunication systems for various firms, including Motorola, Emerson, and Intersil.
Besides, In the past, he worked as an engineer manager in charge of a team of Android engineers developing mobile security apps for Intel Security. With a wealth of experience and knowledge in embedded devices and mobile device design. He published a book entitled Embedded Programming with Android, Addison-Wesley, in 2015.
About the Book Android System Programming Pdf
The author uses the virtual platform to illustrate how they work on the Android platform to broaden the discussion scope and overcome the problem of specific hardware platforms.
He utilizes an emulator that simulates hardware to demonstrate how to understand embedded system programming with the Android emulator.
Android is changing at a high-speed rate. When this was published, Embedded Programming with Android, there were also running Android 5 (Lollipop). Android 6 (Marshmallow) was in the process of being released with preview versions. At that time, Android 7 devices were being sold on the market, and the next version of Android 8 was released with preview versions.
This book will discuss what we call Android system programming methods. We will employ two projects (x86emu and x86vbox) to impart a fundamental understanding of Android programming in the system. The book is split into two parts.
First Section of the
The initial part of Android System Programming Pdf focuses on how to customize, expand and port the Android system. We will utilize the Android emulator as physical hardware to show how you can customize and extend the capabilities of an Android system. In addition, learn how to incorporate the ARM translator (Houdini) into the Intel emulator based on x86 and how to include Wi-Fi support into the Android emulator.
Second Section of the Book
In the second section of this guide, we’ll discover how to patch or update an unreleased system with the help of recovery. In this chapter, we will present an overview of healing first. Following that, we will look at how to create recovery for the x86vbox device.
Therefore, With the help of recovery for x86vbox devices, we will show the process of flashing an update pack to alter the system’s image. We will use examples like the Gapps and the Xposed groups to show how to change the Android system image using third-party recovery software.
Chapters of the Book
Chapter 1: Introduction to Android System Programming covers the system’s Android programming basics. It also describes the purpose of this book.
Chapter 2: Setting up the development environment gives information on the development environment to support AOSP programming. Once we have established our development environments, we’ll make the Android emulator for testing our configuration. Apart from the environment configuration, we will also discuss how to build the source mirror of your code of AOSP by using GitHub for you to change between various formats easily.
Chapter 3: Introducing Kernel, HAL, and Virtual Hardware cover an introduction to the Linux kernel, Hardware Abstraction Layer, and virtual hardware. The chapter looks at the various layers of the Android system software stack related to porting. We also look deeply into the inner workings of virtual hardware we will utilize throughout the book.
Chapter 4: Customizing The Android Emulator covers the creation of a brand new device called x86emu. We’ll learn how to modify and expand this device over the following few chapters.
Chapter 5: Enabling the ARM Translation and the introduction of Native Bridge explores a new feature introduced in Android 5 Native Bridge. Since we built an x86-based system, x86emu must incorporate the ARM translator (Houdini) into the device to ensure that all native applications running on an ARM will work on it.
Chapter 6: Troubleshooting the boot-Up Process Using a Customized RAM Disk introduces a sophisticated ability to debug problems during the boot-up phase. The well-known Android-x86 project uses the ram disk in a specific way to initiate the boot-up Process. It assists in troubleshooting the device driver and problems with the initial Process very quickly.
Chapter 7: Enabling Wi-Fi in the Android Emulator presents details on enabling Wi-Fi in the Android emulator. The Android emulator can only support the emulator for a 3G connectivity for data; however, numerous applications are aware of data and Wi-Fi connections. This section shows how to enable Wi-Fi within Android’s Android emulator.
Chapter 8: Designing Your Device with VirtualBox examines the best way to port Android to VirtualBox by introducing a new device called x86vbox. The x86emu device will show how to modify an existing application. The x86vbox shows the Process of porting Android to a brand new hardware platform.
Chapter 9: Booting up x86vbox with PXE/NFS will explain how to boot Android on VirtualBox with PXE/NFS. Because VirtualBox is general-purpose physical hardware that is virtual, the initial issue we face is that we require a boot loader that can start the system. We’ll use the PXE/NFS boot option to address this problem. It is a sophisticated debugging capability that you can use in your projects.
To discuss a more advanced case about the PXE/NFS setup using an external DHCP/TFTP server running in the host-only network environment.
Chapter 10: Enabling Graphics The chapter covers the Android graphics system. We discuss how to use the Android graphics architecture and how you enable this on your x86vbox device.
Chapter 11: Enabling VirtualBox-Specific Hardware Interfaces explains the steps to incorporate the device drivers within VirtualBox Guest Additions in Android. Android system.
Chapter 12: Introducing Recovery is a brief introduction to the concept of recovery. Learn how to modify and adapt recovery to a different hardware platform by developing an x86vbox-specific recovery device.
Chapter 13: Designing OTA Packages The chapter covers the scripting language used for recovery. Edify. Learn how to create as well as test OTA updates.
Chapter 14: Customizing and Debugging Recovery Expand upon the principles we’ve learned regarding recovering an OTA package. We will modify the recovery and updater to work with the x86vbox device. Third-party OTA software that comes from Gapps and Xposed with our custom recovery.
About the Readers of the Book
You must have a basic understanding of embedded operating systems and the programming language C/C++to read this book.
Before we discuss the people who should be reading this book, we need to think about who are the individuals who usually work on Android systems programming daily. There is a chance to be many. In this case, this book offer some general categories. For starters, many engineers from Google are working with the Android system, as Android is an app developed by Google. Google generally collaborates with silicon manufacturers to make Android for various hardware platforms.
It is common for engineers working at silicon chip companies, including Qualcomm, MTK, or Intel, to allow Android for their platform. They create HAL layer components or device drivers that would enable hardware platforms. The hardware platforms are generally known as reference platforms. They are offered to OEM/ODM to develop the actual products. Additionally, the engineers of OEM/ODM firms typically modify the reference platform’s hardware and software to include distinctive characteristics in their offerings. These engineers comprise the main groups that work on systems-level programming. Therefore, if you’re working in one of these areas, you might want to check out this book.
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The system-level knowledge for Android app developers will help you solve complex issues. Therefore, if you’re developing projects that include new hardware features, you might want to expand your knowledge to the level of the system.
Furthermore, it is also beneficial for teachers of Android systems programming, also known as embedded programming. There’s a lot of source code included in this book that enables us to create the lesson plan of your choice.