Android AOSP

Introduction to Android

• History

• Market share

• Android “fragmentation”

• Android vs Linux

• Android for the industry (pros and cons)

Using AOSP

• What is AOSP ?

• Licensing

• The “repo” tool

• Downloading the sources *

• Compiling an AOSP image (for the emulator) *

• Describing source content

• Customizing / defining a target

• Adding BusyBox *

• Updating the boot animation *

• Adding an application to the AOSP build *

• Using a real board (fastboot)

The Android kernel

• History and introduction

• Linux kernel cross-compilation

• Linux kernel “androidism”

• Compiling the kernel for Android with GKI (Generic Kernel Image) *

• Using a real board (BSP)

Android architecture

• Android layers

• The Android framework

• Native libraries

• HAL (Hardware Abstraction Layer)

• The Linux kernel

• Binder

• System server

• Booting Android

• Android graphic system

• Focus on Treble / HIDL *

• Focus on Android Auto Automotive OS (AAOS) *

• Testing the Vehicle HAL *

Development

• Android SDK

• ADB *

• User space development with the NDK (C/C++) *

• Remote debugging *

• JNI (Java Native Interface with C/C++) *

• Example of hardware device access (Java → kernel) *

Security

• UID/GID

• Capabilities

• Permissions

• Verity (dm-verity)

• Secure boot (AVB)

• Encryption (dm-crypt)

• SELinux *

• Seccomp

• OTA

Certification

• CDD (Compatibility Definition Document)

• CTS (Compatibility Test Suite)

• VTS (Vendor Test Suite)