Atomic Service (atomic service)
It is a future-oriented service provision method provided by HarmonyOS. It has an independent entrance (users can directly trigger it by clicking), installation-free (no explicit installation is required, it can be used after being installed in the background of the system program framework), and can A form of user application that provides one or more convenient services to users.
The atomic service is developed based on the HarmonyOS API and supports running on 1+8+N devices for users to use conveniently in suitable scenarios and devices.
Feature Ability (meta service)
Represents an Ability with an interface for interacting with the user.
Service widget (service card)
The important information of the user's application is displayed on the desktop in the form of a service card, and the user can use the card through shortcut gestures to achieve direct service and reduce level jumps.
As a lightweight bearer of services, cards need to be easy to use and visible, intelligently optional, and multi-terminal variable. Each atomic service needs to be configured with at least one service card, and each application that needs to be installed in the traditional way can optionally configure a service card.