Framework](https://wiki.automotivelinux.org/agl-distro/app-framework).
- document of HomeScreen, see
- [HomeScreen](http://docs.automotivelinux.org/docs/apis_services/en/dev/reference/hmi-framework/3_1-HomeScreen-Guide.html).
+ [HomeScreen](./3_1-HomeScreen-Guide.html).
It is highly recommended to have a good understanding of these documents
and projects before using Window manager.