Course Outline

Introduction to Android HAL

  • Overview of Android system architecture
  • Role of the HAL in Android
  • Evolution of HAL: From HIDL to AIDL
  • Setting up the development environment
  • Exploring AOSP for HAL components

AIDL for HAL Development

  • Introduction to AIDL and its syntax
  • Defining interfaces with AIDL
  • Implementing AIDL-based HALs
  • Binding services to system components
  • Testing and debugging AIDL interfaces

Migrating from HIDL to AIDL

  • Differences between HIDL and AIDL
  • Benefits of migrating to AIDL
  • Step-by-step migration process
  • Ensuring backward compatibility
  • Challenges and solutions

Advanced HAL Topics

  • Audio HAL: Transition to AIDL, support for Ultra HDR and wide-gamut
  • Camera HAL: Implementing new features in Android 14
  • Project Mainline: Modularity and updatable HALs
  • Exploring other HALs (Sensors, Bluetooth, etc.)

Security, Testing, and Best Practices

  • Android security measures for HAL
  • Validating and testing HAL interfaces
  • Best practices for HAL development
  • Debugging tools and techniques
  • Future trends in Android HAL development

Summary and Nest Steps

Requirements

  • C/C++ programming experience.
  • Java programming experience.
  • Knowledge of hardware and software architecture.

Audience

  • Linux system developers
  • Android system programmers
  • Developers who want to get into Android system programming
 21 Hours

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