harmony 鸿蒙Model Switching Overview
Model Switching Overview
Perform the following operations to switch a declarative paradigm-based application developed based on the FA model to the stage model.
- Project switch: Create an application project of the stage model.
- Configuration file switch: Switch config.json to app.json5 and module.json5.
- Component switch: Switch the PageAbility, ServiceAbility, and DataAbility components of the FA model to the UIAbility and ExtensionAbility components of the stage model. The figure below shows only the switching from PageAbility to UIAbility. The left part is the FA model, and app.ets is the PageAbility component. The right part is the stage model, and EntryAbility.ets is the UIAbility component.
- Widget switch: Switch the FormAbility component of the FA model to the FormExtensionAbility component of the stage model. In the figure below, Service Widget is FormAbility in the FA model and FormExtensionAbility in the stage model.
- API switch: Switch the APIs with the FAModelOnly tag used in the FA model to the recommended APIs in the stage model.
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