Legacy components

This section contains documentation about components using the legacy component framework (Components v1) implemented by appmgr. The Fuchsia platform team is currently migrating legacy components to the modern component framework (Components v2).

Note: New component development should use the modern component framework. For more details, see the Components overview.

Architectural concepts

• sysmgr: The component responsible for hosting the sys realm.

Developing components

• Component manifests: Declaring legacy components.

Debugging and troubleshooting

• Hub: A portal for introspection of appmgr components.

Testing

• Test components: Implementing component tests with the legacy component framework.