1# Widget Host 2 3### Introduction 4 5This sample shows how to create and use a widget in the FA model, including creating, displaying, converting, updating, and deleting a widget. 6 7### Usage 8 91. Start the demo app. The main ability is started, and **eTSFormLauncher** is displayed on the page. 10 112. If the corresponding widget provider app has been installed, for example, [FA model Widget](../FormAbility/README.md) or [stage model widget](../FormExtAbility/README.md), the widget will be displayed. 12 13<img src="screenshots/eTSFormLauncherExample.png" alt="eTSFormLauncherExample" style="zoom:50%;" /> 14 153. Touch **castTempForm** to convert a temporary widget to a normal one. 16 174. Touch **updateForm** to update the widget. 18 195. Touch **deleteForm** to delete the widget. 20 21### Constraints 22 231. This sample can only be run on standard-system devices. 242. This sample requires DevEco Studio 3.0 Beta4 (Build Version: 3.0.0.992, built on July 14, 2022) to compile and run. 25
