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提交 d752283d 编写于 作者: W wusongqing
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updated docs 

Signed-off-by: Nwusongqing <wusongqing@huawei.com>
上级 0e6761e7
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Showing with 78 addition and 72 deletion
en/application-dev/reference/apis/js-apis-window.md
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...@@ -2,6 +2,8 @@ ...@@ -2,6 +2,8 @@
> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE** > ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
> The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version. > The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
>
> The APIs of API version 9 is of the Canary version and are for trial use only. The API call may be unstable.
## Modules to Import ## Modules to Import
...@@ -15,7 +17,7 @@ Enumerates the window types. ...@@ -15,7 +17,7 @@ Enumerates the window types.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
| Name | Default Value| Description | | Name | Default Value | Description |
| ----------------- | ------ | ------------------ | | ----------------- | ------ | ------------------ |
| TYPE_APP | 0 | Application subwindow. | | TYPE_APP | 0 | Application subwindow. |
| TYPE_SYSTEM_ALERT | 1 | System alert window.| | TYPE_SYSTEM_ALERT | 1 | System alert window.|
...@@ -26,7 +28,7 @@ Enumerates the types of the area where the window cannot be displayed. ...@@ -26,7 +28,7 @@ Enumerates the types of the area where the window cannot be displayed.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
| Name | Default Value| Description | | Name | Default Value | Description |
| ----------- | ------ | ------------------ | | ----------- | ------ | ------------------ |
| TYPE_SYSTEM | 0 | Default area of the system.| | TYPE_SYSTEM | 0 | Default area of the system.|
| TYPE_CUTOUT | 1 | Notch. | | TYPE_CUTOUT | 1 | Notch. |
...@@ -39,7 +41,7 @@ This is a system API and cannot be called by third-party applications. ...@@ -39,7 +41,7 @@ This is a system API and cannot be called by third-party applications.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
| Name | Default Value| Description | | Name | Default Value | Description |
| ---------- | ------ | ----------------------------- | | ---------- | ------ | ----------------------------- |
| UNDEFINED | 1 | The window mode is not defined by the application. | | UNDEFINED | 1 | The window mode is not defined by the application. |
| FULLSCREEN | 2 | The application is displayed in full screen. | | FULLSCREEN | 2 | The application is displayed in full screen. |
...@@ -62,7 +64,7 @@ Describes the properties of the status bar and navigation bar. ...@@ -62,7 +64,7 @@ Describes the properties of the status bar and navigation bar.
| isNavigationBarLightIcon<sup>7+</sup> | boolean | No | No | Whether any icon on the navigation bar is highlighted. | | isNavigationBarLightIcon<sup>7+</sup> | boolean | No | No | Whether any icon on the navigation bar is highlighted. |
| navigationBarContentColor<sup>8+</sup> | string | No | Yes | Color of the text on the navigation bar. | | navigationBarContentColor<sup>8+</sup> | string | No | Yes | Color of the text on the navigation bar. |
## SystemBarRegionTint<sup>8+</sup><a name="systembartegiontint"></a> ## SystemBarRegionTint <sup>8+</sup><a name="systembartegiontint"></a>
Describes the callback for a single system bar. Describes the callback for a single system bar.
...@@ -78,7 +80,7 @@ This is a system API and cannot be called by third-party applications. ...@@ -78,7 +80,7 @@ This is a system API and cannot be called by third-party applications.
| backgroundColor | string | Yes | Yes | Background color of the system bar. The value is a hexadecimal RGB or aRGB color value, for example, **\#00FF00** or **\#FF00FF00**.| | backgroundColor | string | Yes | Yes | Background color of the system bar. The value is a hexadecimal RGB or aRGB color value, for example, **\#00FF00** or **\#FF00FF00**.|
| contentColor | string | Yes | Yes | Color of the text on the system bar. | | contentColor | string | Yes | Yes | Color of the text on the system bar. |
## SystemBarTintState<sup>8+</sup><a name="systembartintstate"></a> ## SystemBarTintState <sup>8+</sup><a name="systembartintstate"></a>
Describes the callback for the current system bar. Describes the callback for the current system bar.
...@@ -155,7 +157,7 @@ Describes the color gamut mode. ...@@ -155,7 +157,7 @@ Describes the color gamut mode.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
| Name | Default Value| Description | | Name | Default Value | Description |
| ---------- | ------ | -------------- | | ---------- | ------ | -------------- |
| DEFAULT | 0 | Default color gamut mode.| | DEFAULT | 0 | Default color gamut mode.|
| WIDE_GAMUT | 1 | Wide color gamut mode. | | WIDE_GAMUT | 1 | Wide color gamut mode. |
...@@ -233,18 +235,20 @@ This API is discarded since API version 8. You are advised to use [window.create ...@@ -233,18 +235,20 @@ This API is discarded since API version 8. You are advised to use [window.create
create(ctx: Context, id: string, type: WindowType, callback: AsyncCallback&lt;Window&gt;): void create(ctx: Context, id: string, type: WindowType, callback: AsyncCallback&lt;Window&gt;): void
Creates a system window when the context is [ServiceExtensionContext](js-apis-service-extension-context.md). This API uses an asynchronous callback to return the result. Creates a subwindow when the context is [Context](js-apis-Context.md). This API uses an asynchronous callback to return the result.
Creates a system window when the context is [ServiceExtAbilityContext](js-apis-serviceExtAbilityContext.md), starting from API version 9. This API uses an asynchronous callback to return the result.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Parameters - Parameters
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | ----------------------------------------------- | ---- | ---------------------- | | -------- | -------------------------------------- | ---- | ------------------------------------------------------------ |
| ctx | [Context](js-apis-service-extension-context.md) | Yes | Current application context. | | ctx | Context | Yes | Current application context.<br>For the definition of **Context** of API version 8, see [Context](js-apis-Context.md).<br>For the definition of **Context** of API version 9, see [Context](js-apis-serviceExtAbilityContext.md).|
| id | string | Yes | Window ID. | | id | string | Yes | Window ID. |
| type | [WindowType](#windowtype) | Yes | Window type. | | type | [WindowType](#windowtype) | Yes | Window type. |
| callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the system window created.| | callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the window created. |
- Example - Example
...@@ -265,23 +269,25 @@ Creates a system window when the context is [ServiceExtensionContext](js-apis-se ...@@ -265,23 +269,25 @@ Creates a system window when the context is [ServiceExtensionContext](js-apis-se
create(ctx: Context, id: string, type: WindowType): Promise&lt;Window&gt; create(ctx: Context, id: string, type: WindowType): Promise&lt;Window&gt;
Creates a system window when the context is [ServiceExtensionContext](js-apis-service-extension-context.md). This API uses a promise to return the result. Creates a subwindow when the context is [Context](js-apis-Context.md). This API uses a promise to return the result.
Creates a system window when the context is [ServiceExtAbilityContext](js-apis-serviceExtAbilityContext.md), starting from API version 9. This API uses a promise to return the result.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Parameters - Parameters
| Name| Type | Mandatory| Description | | Name| Type | Mandatory| Description |
| ------ | ----------------------------------------------- | ---- | -------------------- | | ------ | ------------------------- | ---- | ------------------------------------------------------------ |
| ctx | [Context](js-apis-service-extension-context.md) | Yes | Current application context.| | ctx | Context | Yes | Current application context.<br>For the definition of **Context** of API version 8, see [Context](js-apis-Context.md).<br>For the definition of **Context** of API version 9, see [Context](js-apis-serviceExtAbilityContext.md).|
| id | string | Yes | Window ID. | | id | string | Yes | Window ID. |
| type | [WindowType](#windowtype) | Yes | Window type. | | type | [WindowType](#windowtype) | Yes | Window type. |
- Return value - Return value
| Type | Description | | Type | Description |
| -------------------------------- | ----------------------------------------------- | | -------------------------------- | ----------------------------------------------- |
| Promise&lt;[Window](#window)&gt; | Promise used to return the system window created.| | Promise&lt;[Window](#window)&gt; | Promise used to return the window created.|
- Example - Example
...@@ -425,7 +431,7 @@ Obtains the top window of the current application. This API uses an asynchronous ...@@ -425,7 +431,7 @@ Obtains the top window of the current application. This API uses an asynchronous
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | -------------------------------------- | ---- | ------------------------------------------------------------ | | -------- | -------------------------------------- | ---- | ------------------------------------------------------------ |
| ctx | Context | Yes | Current application context.For the definition of **Context** of API version 8, see [Context](js-apis-Context.md). For the definition of **Context** of API version 9, see [Context](js-apis-ability-context.md). | | ctx | Context | Yes | Current application context.<br>For the definition of **Context** of API version 8, see [Context](js-apis-Context.md).<br>For the definition of **Context** of API version 9, see [Context](js-apis-ability-context.md).|
| callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the top window obtained. | | callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the top window obtained. |
- Example - Example
...@@ -454,7 +460,7 @@ Obtains the top window of the current application. This API uses a promise to re ...@@ -454,7 +460,7 @@ Obtains the top window of the current application. This API uses a promise to re
| Name| Type | Mandatory| Description | | Name| Type | Mandatory| Description |
| ------ | ------- | ---- | ------------------------------------------------------------ | | ------ | ------- | ---- | ------------------------------------------------------------ |
| ctx | Context | Yes | Current application context.For the definition of **Context** of API version 8, see [Context](js-apis-Context.md). For the definition of **Context** of API version 9, see [Context](js-apis-ability-context.md). | | ctx | Context | Yes | Current application context.<br>For the definition of **Context** of API version 8, see [Context](js-apis-Context.md).<br>For the definition of **Context** of API version 9, see [Context](js-apis-ability-context.md).|
- Return value - Return value
...@@ -913,7 +919,7 @@ Obtains the properties of this window. This API uses a promise to return the res ...@@ -913,7 +919,7 @@ Obtains the properties of this window. This API uses a promise to return the res
- Example - Example
``` ```js
let promise = windowClass.getProperties(); let promise = windowClass.getProperties();
promise.then((data)=> { promise.then((data)=> {
console.info('Succeeded in obtaining the window properties. Data: ' + JSON.stringify(data)) console.info('Succeeded in obtaining the window properties. Data: ' + JSON.stringify(data))
...@@ -934,7 +940,7 @@ Obtains the area where this window cannot be displayed, for example, the system ...@@ -934,7 +940,7 @@ Obtains the area where this window cannot be displayed, for example, the system
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | -------------------------------------------- | ---- | ------------------------------------------------------------ | | -------- | -------------------------------------------- | ---- | ------------------------------------------------------------ |
| type | [AvoidAreaType](#avoidareatype) | Yes | Type of the area. **TYPE_SYSTEM** indicates the default area of the system. **TYPE_CUTOUT** indicates the notch. | | type | [AvoidAreaType](#avoidareatype) | Yes | Type of the area. **TYPE_SYSTEM** indicates the default area of the system. **TYPE_CUTOUT** indicates the notch.|
| callback | AsyncCallback&lt;[AvoidArea](#avoidarea)&gt; | Yes | Callback used to return the area. | | callback | AsyncCallback&lt;[AvoidArea](#avoidarea)&gt; | Yes | Callback used to return the area. |
- Example - Example
...@@ -962,7 +968,7 @@ Obtains the area where this window cannot be displayed, for example, the system ...@@ -962,7 +968,7 @@ Obtains the area where this window cannot be displayed, for example, the system
| Name| Type | Mandatory| Description | | Name| Type | Mandatory| Description |
| ------ | ------------------------------- | ---- | ------------------------------------------------------------ | | ------ | ------------------------------- | ---- | ------------------------------------------------------------ |
| type | [AvoidAreaType](#avoidareatype) | Yes | Type of the area. **TYPE_SYSTEM** indicates the default area of the system. **TYPE_CUTOUT** indicates the notch. | | type | [AvoidAreaType](#avoidareatype) | Yes | Type of the area. **TYPE_SYSTEM** indicates the default area of the system. **TYPE_CUTOUT** indicates the notch.|
- Return value - Return value
...@@ -1251,7 +1257,7 @@ Loads content to this window. This API uses an asynchronous callback to return t ...@@ -1251,7 +1257,7 @@ Loads content to this window. This API uses an asynchronous callback to return t
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | ------------------------- | ---- | -------------------- | | -------- | ------------------------- | ---- | -------------------- |
| path | string | Yes | Path of the page from which the content will be loaded. | | path | string | Yes | Path of the page from which the content will be loaded.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the execution result. | | callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the execution result. |
- Example - Example
...@@ -1278,7 +1284,7 @@ Loads content to this window. This API uses a promise to return the result. ...@@ -1278,7 +1284,7 @@ Loads content to this window. This API uses a promise to return the result.
| Name| Type | Mandatory| Description | | Name| Type | Mandatory| Description |
| ------ | ------ | ---- | -------------------- | | ------ | ------ | ---- | -------------------- |
| path | string | Yes | Path of the page from which the content will be loaded. | | path | string | Yes | Path of the page from which the content will be loaded.|
- Return value - Return value
...@@ -1452,10 +1458,10 @@ This API is defined but not implemented in OpenHarmony 3.1 Release. It will be a ...@@ -1452,10 +1458,10 @@ This API is defined but not implemented in OpenHarmony 3.1 Release. It will be a
- Parameters - Parameters
| Name | Type | Mandatory| Description | | Name | Type | Mandatory| Description |
| -------- | --------------------------------------- | ---- | ------------------------------------------------------------ | | -------- | ------------------ | ---- | ------------------------------------------------------------ |
| type | string | Yes | Listening type.<br>Set it to **keyboardHeightChange**, which indicates listening for keyboard height changes.| | type | string | Yes | Listening type.<br>Set it to **keyboardHeightChange**, which indicates listening for keyboard height changes.|
| callback | Callback&lt;number&gt; | Yes | Callback used to return the information. | | callback | Callbacknumber&gt; | Yes | Callback used to return the information. |
- Example - Example
...@@ -1532,7 +1538,7 @@ Checks whether this window supports the wide color gamut mode. This API uses a p ...@@ -1532,7 +1538,7 @@ Checks whether this window supports the wide color gamut mode. This API uses a p
- Example - Example
```js ```
let promise = windowClass.isSupportWideGamut(); let promise = windowClass.isSupportWideGamut();
promise.then((data)=> { promise.then((data)=> {
console.info('Succeeded in checking whether the window support WideGamut. Data: ' + JSON.stringify(data)) console.info('Succeeded in checking whether the window support WideGamut. Data: ' + JSON.stringify(data))
...@@ -2166,12 +2172,12 @@ Describes the lifecycle of a window stage. ...@@ -2166,12 +2172,12 @@ Describes the lifecycle of a window stage.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
| Name | Default Value | Description | | Name | Default Value | Description |
| ---------- | ------------- | ---------------------------------------------- | | ---------- | ------ | -------- |
| FOREGROUND | 1 | The window stage is running in the foreground. | | FOREGROUND | 1 | The window stage is running in the foreground.|
| ACTIVE | 2 | The window stage gains focus. | | ACTIVE | 2 | The window stage gains focus.|
| INACTIVE | 3 | The window stage loses focus. | | INACTIVE | 3 | The window stage loses focus.|
| BACKGROUND | 4 | The window stage is running in the background. | | BACKGROUND | 4 | The window stage is running in the background.|
## WindowStage<sup>9+</sup> ## WindowStage<sup>9+</sup>
...@@ -2187,9 +2193,9 @@ Obtains the main window of this window stage. This API uses a promise to return ...@@ -2187,9 +2193,9 @@ Obtains the main window of this window stage. This API uses a promise to return
- Return value - Return value
| Type | Description | | Type | Description |
| -------------------------------- | --------------------------------------- | | -------------------------------- | ---------------------------------------------------------- |
| Promise&lt;[Window](#window)&gt; | Promise used to return the main window. | | Promise&lt;[Window](#window)&gt; | Promise used to return the main window.|
- Example - Example
...@@ -2219,9 +2225,9 @@ Obtains the main window of this window stage. This API uses an asynchronous call ...@@ -2219,9 +2225,9 @@ Obtains the main window of this window stage. This API uses an asynchronous call
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name | Type | Mandatory| Description |
| -------- | -------------------------------------- | --------- | ---------------------------------------- | | -------- | -------------------------------------- | ---- | --------------------------------------- |
| callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the main window. | | callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the main window.|
- Example - Example
...@@ -2251,14 +2257,14 @@ Creates a subwindow for this window stage. This API uses a promise to return the ...@@ -2251,14 +2257,14 @@ Creates a subwindow for this window stage. This API uses a promise to return the
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name| Type | Mandatory| Description |
| ---- | ------ | --------- | ---------------------- | | ------ | ------ | ---- | -------------- |
| name | String | Yes | Name of the subwindow. | | name | String | Yes | Name of the subwindow.|
- Return value - Return value
| Type | Description | | Type | Description |
| -------------------------------- | --------------------------------------------- | | -------------------------------- | ------------------------------------------------- |
| Promise&lt;[Window](#window)&gt; | Promise used to return the subwindow created. | | Promise&lt;[Window](#window)&gt; | Promise used to return the subwindow created.|
- Example - Example
```ts ```ts
...@@ -2287,10 +2293,10 @@ Creates a subwindow for this window stage. This API uses an asynchronous callbac ...@@ -2287,10 +2293,10 @@ Creates a subwindow for this window stage. This API uses an asynchronous callbac
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name | Type | Mandatory| Description |
| -------- | -------------------------------------- | --------- | ---------------------------------------------- | | -------- | -------------------------------------- | ---- | ------------------------------ |
| name | String | Yes | Name of the subwindow. | | name | String | Yes | Name of the subwindow. |
| callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the subwindow created. | | callback | AsyncCallback&lt;[Window](#window)&gt; | Yes | Callback used to return the subwindow created.|
- Example - Example
...@@ -2321,9 +2327,9 @@ Obtains all the subwindows of this window stage. This API uses a promise to retu ...@@ -2321,9 +2327,9 @@ Obtains all the subwindows of this window stage. This API uses a promise to retu
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Return value - Return value
| Type | Description | | Type | Description |
| --------------------------------------------- | ------------------------------------------ | | --------------------------------------------- | ------------------------------------------------------------ |
| Promise&lt;Array&lt;[Window](#window)&gt;&gt; | Promise used to return all the subwindows. | | Promise&lt;Array&lt;[Window](#window)&gt;&gt; | Promise used to return all the subwindows.|
- Example - Example
...@@ -2352,9 +2358,9 @@ Obtains all the subwindows of this window stage. This API uses an asynchronous c ...@@ -2352,9 +2358,9 @@ Obtains all the subwindows of this window stage. This API uses an asynchronous c
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name | Type | Mandatory| Description |
| -------- | --------------------------------------------------- | --------- | ------------------------------------------- | | -------- | --------------------------------------------------- | ---- | ------------------------------------------- |
| callback | AsyncCallback&lt;Array&lt;[Window](#window)&gt;&gt; | Yes | Callback used to return all the subwindows. | | callback | AsyncCallback&lt;Array&lt;[Window](#window)&gt;&gt; | Yes | Callback used to return all the subwindows.|
- Example - Example
...@@ -2385,10 +2391,10 @@ Loads content to this window stage. This API uses an asynchronous callback to re ...@@ -2385,10 +2391,10 @@ Loads content to this window stage. This API uses an asynchronous callback to re
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name | Type | Mandatory| Description |
| -------- | ------------------------- | --------- | ------------------------------------------------------- | | -------- | ------------------------- | ---- | -------------------- |
| path | string | Yes | Path of the page from which the content will be loaded. | | path | string | Yes | Path of the page from which the content will be loaded.|
| callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the execution result. | | callback | AsyncCallback&lt;void&gt; | Yes | Callback used to return the execution result. |
- Example - Example
...@@ -2415,10 +2421,10 @@ Enables listening for window stage lifecycle changes. ...@@ -2415,10 +2421,10 @@ Enables listening for window stage lifecycle changes.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name | Type | Mandatory| Description |
| -------- | ------------------------------------------------------------ | --------- | ------------------------------------------------------------ | | -------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
| type | string | Yes | Listening type.<br>Set it to **windowStageEvent**, which indicates listening for window stage lifecycle changes. | | type | string | Yes | Listening type.<br>Set it to **windowStageEvent**, which indicates listening for window stage lifecycle changes.|
| callback | Callback&lt;[WindowStageEventType](#windowstageeventtype9)&gt; | Yes | Callback used to return the information. | | callback | Callback&lt;[WindowStageEventType](#windowstageeventtype9)&gt; | Yes | Callback used to return the information. |
- Example - Example
...@@ -2443,10 +2449,10 @@ Disables listening for window stage lifecycle changes. ...@@ -2443,10 +2449,10 @@ Disables listening for window stage lifecycle changes.
**System capability**: SystemCapability.WindowManager.WindowManager.Core **System capability**: SystemCapability.WindowManager.WindowManager.Core
- Parameters - Parameters
| Name | Type | Mandatory | Description | | Name | Type | Mandatory| Description |
| -------- | ------------------------------------------------------------ | --------- | ------------------------------------------------------------ | | -------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
| type | string | Yes | Listening type.<br>Set it to **windowStageEvent**, which indicates listening for window stage lifecycle changes. | | type | string | Yes | Listening type.<br>Set it to **windowStageEvent**, which indicates listening for window stage lifecycle changes.|
| callback | Callback&lt;[WindowStageEventType](#windowstageeventtype9)&gt; | No | Callback used to return the information. | | callback | Callback&lt;[WindowStageEventType](#windowstageeventtype9)&gt; | No | Callback used to return the information. |
- Example - Example
```ts ```ts
......
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