harmony 鸿蒙System Ability Manager

2022-08-09
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System Ability Manager

Introduction

The System Ability Manager (SAMGR) subsystem provides APIs for starting, registering, and querying system abilities, and querying distributed system abilities.

System Architecture

The figure below shows the SAMGR architecture.

Figure 1 SAMGR architecture

The SAMGR subsystem consists of the following modules:

safwk

The safwk module defines how to implement system abilities in OpenHarmony and provides APIs to start and register system abilities.

samgr

The samgr module provides APIs to start, register, and query OpenHarmony system abilities.

safwk_lite

The safwk_lite module implements the lightweight foundation process, which provides an empty process for running basic abilities.

samgr_lite

The samgr_lite module provides APIs for registering and discovering abilities of the mini system.

Directory Structure

/foundation/systemabilitymgr
├── safwk                       # System ability framework
├── samgr                       # System ability manager
├── safwk_lite                  # Lightweight foundation process
├── samgr_lite                  # Lightweight system ability manager