未验证 提交 17335be9 编写于 作者: O openharmony_ci 提交者: Gitee

!23869 【轻量级 PR】:update zh-cn/application-dev/application-models/uiability-launch-type.md.

Merge pull request !23869 from 葛亚芳/N/A
......@@ -20,7 +20,9 @@ singleton启动模式为单实例模式,也是默认情况下的启动模式
**图1** 单实例模式演示效果
![uiability-launch-type1](figures/uiability-launch-type1.gif)
> **说明**:应用的UIAbility实例已创建,该UIAbility配置为单实例模式,再次调用[`startAbility()`](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextstartability)方法启动该UIAbility实例。由于启动的还是原来的UIAbility实例,并未重新创建一个新的UIAbility实例,此时只会进入该UIAbility的[`onNewWant()`](../reference/apis/js-apis-app-ability-uiAbility.md#abilityonnewwant)回调,不会进入其[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)和[`onWindowStageCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityonwindowstagecreate)生命周期回调。
> **说明**:
>
> 应用的UIAbility实例已创建,该UIAbility配置为单实例模式,再次调用[`startAbility()`](../reference/apis/js-apis-inner-application-uiAbilityContext.md#uiabilitycontextstartability)方法启动该UIAbility实例。由于启动的还是原来的UIAbility实例,并未重新创建一个新的UIAbility实例,此时只会进入该UIAbility的[`onNewWant()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityonnewwant)回调,不会进入其[`onCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityoncreate)和[`onWindowStageCreate()`](../reference/apis/js-apis-app-ability-uiAbility.md#uiabilityonwindowstagecreate)生命周期回调。
如果需要使用singleton启动模式,在[module.json5配置文件](../quick-start/module-configuration-file.md)中的`launchType`字段配置为`singleton`即可。
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