1e41f4b71Sopenharmony_ci# @ohos.arkui.uiExtension (uiExtension)(系统接口) 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci用于EmbeddedUIExtensionAbility(或UIExtensionAbility)中获取宿主应用的窗口信息或对应的EmbeddedComponent(或UIExtensionComponent)组件的信息。 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci> **说明** 6e41f4b71Sopenharmony_ci> 7e41f4b71Sopenharmony_ci> 从API Version 12开始支持。后续版本如有新增内容,则采用上角标单独标记该内容的起始版本。 8e41f4b71Sopenharmony_ci> 9e41f4b71Sopenharmony_ci> 本文仅介绍当前模块的系统接口,其他公开接口参见[@ohos.arkui.uiExtension (uiExtension)](js-apis-arkui-uiExtension.md) 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci## 导入模块 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci``` 14e41f4b71Sopenharmony_ciimport { uiExtension } from '@kit.ArkUI' 15e41f4b71Sopenharmony_ci``` 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci## WindowProxy 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci### hideNonSecureWindows 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_cihideNonSecureWindows(shouldHide: boolean): Promise\<void> 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci设置是否隐藏不安全窗口。 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci> **说明:** 26e41f4b71Sopenharmony_ci> 27e41f4b71Sopenharmony_ci> 不安全窗口是指可能遮挡EmbeddedComponent(或UIExtensionComponent)组件的窗口,如全局悬浮窗、宿主子窗口和宿主创建的Dialog窗口(不包括系统应用创建的上述类型窗口)。当EmbeddedComponent(或UIExtensionComponent)组件被用来显示敏感操作提示内容时,可以选择隐藏不安全窗口,保护敏感操作提示内容不会被遮挡。当EmbeddedComponent(或UIExtensionComponent)组件不显示或销毁时需要让不安全窗口重新显示。使用CreateModalUIExtension接口创建的UIExtensionComponent会默认隐藏不安全窗口,若要取消隐藏,需要申请ohos.permission.ALLOW_SHOW_NON_SECURE_WINDOWS权限,并调用本接口将shouldHide设为false。 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.ArkUI.ArkUI.Full 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci**系统接口**:此接口为系统接口,三方应用不支持调用。 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci**参数:** 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci| 参数名 | 类型 | 必填 | 说明 | 36e41f4b71Sopenharmony_ci| ----------- | ------------------------- | ---- | ---------- | 37e41f4b71Sopenharmony_ci| shouldHide | boolean | 是 | 指示是否隐藏不安全窗口,true表示隐藏,false表示不隐藏。 | 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci**返回值:** 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci| 类型 | 说明 | 42e41f4b71Sopenharmony_ci| ------------------- | ------------------------- | 43e41f4b71Sopenharmony_ci| Promise<void> | 无返回结果的Promise对象。 | 44e41f4b71Sopenharmony_ci 45e41f4b71Sopenharmony_ci**错误码:** 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci| 错误码ID | 错误信息 | 48e41f4b71Sopenharmony_ci| -------- | --------------------------------- | 49e41f4b71Sopenharmony_ci| 202 | Permission verification failed. A non-system application calls a system API. | 50e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: <br> 1. Mandatory parameters are left unspecified. <br> 2. Incorrect parameters types. <br> 3. Parameter verification failed. | 51e41f4b71Sopenharmony_ci| 1300002 | Abnormal state. Possible causes: <br> 1. Permission denied. Interface caller does not have permission "ohos.permission.ALLOW_SHOW_NON_SECURE_WINDOWS". <br> 2. The UIExtension window proxy is abnormal. | 52e41f4b71Sopenharmony_ci| 1300003 | This window manager service works abnormally. | 53e41f4b71Sopenharmony_ci 54e41f4b71Sopenharmony_ci**示例** 55e41f4b71Sopenharmony_ci 56e41f4b71Sopenharmony_ci```ts 57e41f4b71Sopenharmony_ci// ExtensionProvider.ts 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ciimport { UIExtensionAbility, UIExtensionContentSession, Want } from '@kit.AbilityKit'; 60e41f4b71Sopenharmony_ciimport { BusinessError } from '@kit.BasicServicesKit'; 61e41f4b71Sopenharmony_ci 62e41f4b71Sopenharmony_ciexport default class EntryAbility extends UIExtensionAbility { 63e41f4b71Sopenharmony_ci onSessionCreate(want: Want, session: UIExtensionContentSession) { 64e41f4b71Sopenharmony_ci const extensionHostWindow = session.getUIExtensionHostWindowProxy(); 65e41f4b71Sopenharmony_ci // 隐藏非安全窗口 66e41f4b71Sopenharmony_ci extensionHostWindow.hideNonSecureWindows(true).then(()=> { 67e41f4b71Sopenharmony_ci console.log(`Succeeded in hiding the non-secure windows.`); 68e41f4b71Sopenharmony_ci }).catch((err: BusinessError)=> { 69e41f4b71Sopenharmony_ci console.log(`Failed to hide the non-secure windows. Cause:${JSON.stringify(err)}`); 70e41f4b71Sopenharmony_ci }) 71e41f4b71Sopenharmony_ci } 72e41f4b71Sopenharmony_ci onSessionDestroy(session: UIExtensionContentSession) { 73e41f4b71Sopenharmony_ci const extensionHostWindow = session.getUIExtensionHostWindowProxy(); 74e41f4b71Sopenharmony_ci // 取消隐藏非安全窗口 75e41f4b71Sopenharmony_ci extensionHostWindow.hideNonSecureWindows(false).then(()=> { 76e41f4b71Sopenharmony_ci console.log(`Succeeded in showing the non-secure windows.`); 77e41f4b71Sopenharmony_ci }).catch((err: BusinessError)=> { 78e41f4b71Sopenharmony_ci console.log(`Failed to show the non-secure windows. Cause:${JSON.stringify(err)}`); 79e41f4b71Sopenharmony_ci }) 80e41f4b71Sopenharmony_ci } 81e41f4b71Sopenharmony_ci} 82e41f4b71Sopenharmony_ci``` 83e41f4b71Sopenharmony_ci 84e41f4b71Sopenharmony_ci### setWaterMarkFlag 85e41f4b71Sopenharmony_ci 86e41f4b71Sopenharmony_cisetWaterMarkFlag(enable: boolean): Promise<void> 87e41f4b71Sopenharmony_ci 88e41f4b71Sopenharmony_ci为当前窗口添加或删除安全水印标志,使用Promise异步回调。 89e41f4b71Sopenharmony_ci> **说明:** 90e41f4b71Sopenharmony_ci> 91e41f4b71Sopenharmony_ci> 添加安全水印标志后,窗口在前台时会将当前全屏幕覆盖水印。全屏、悬浮窗、分屏等场景下只要有添加了安全水印标志的窗口在前台,就会显示全屏水印。 92e41f4b71Sopenharmony_ci 93e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.ArkUI.ArkUI.Full 94e41f4b71Sopenharmony_ci 95e41f4b71Sopenharmony_ci**系统接口**:此接口为系统接口,三方应用不支持调用。 96e41f4b71Sopenharmony_ci 97e41f4b71Sopenharmony_ci**参数:** 98e41f4b71Sopenharmony_ci 99e41f4b71Sopenharmony_ci| 参数名 | 类型 | 必填 | 说明 | 100e41f4b71Sopenharmony_ci| ------ | ------- | --- | ------------------------------------------------ | 101e41f4b71Sopenharmony_ci| enable | boolean | 是 | 是否对窗口添加标志位。true表示添加,false表示删除。 | 102e41f4b71Sopenharmony_ci 103e41f4b71Sopenharmony_ci**返回值:** 104e41f4b71Sopenharmony_ci 105e41f4b71Sopenharmony_ci| 类型 | 说明 | 106e41f4b71Sopenharmony_ci| ------------------- | ------------------------- | 107e41f4b71Sopenharmony_ci| Promise<void> | 无返回结果的Promise对象。 | 108e41f4b71Sopenharmony_ci 109e41f4b71Sopenharmony_ci**错误码:** 110e41f4b71Sopenharmony_ci 111e41f4b71Sopenharmony_ci| 错误码ID | 错误信息 | 112e41f4b71Sopenharmony_ci| ------- | ---------------------------------------------- | 113e41f4b71Sopenharmony_ci| 1300002 | This window state is abnormal. | 114e41f4b71Sopenharmony_ci| 1300003 | This window manager service works abnormally. | 115e41f4b71Sopenharmony_ci| 1300008 | The operation is on invalid display. | 116e41f4b71Sopenharmony_ci 117e41f4b71Sopenharmony_ci**示例** 118e41f4b71Sopenharmony_ci 119e41f4b71Sopenharmony_ci```ts 120e41f4b71Sopenharmony_ci// ExtensionProvider.ts 121e41f4b71Sopenharmony_ciimport { UIExtensionAbility, UIExtensionContentSession, Want } from '@kit.AbilityKit'; 122e41f4b71Sopenharmony_ciimport { BusinessError } from '@kit.BasicServicesKit'; 123e41f4b71Sopenharmony_ci 124e41f4b71Sopenharmony_ciexport default class EntryAbility extends UIExtensionAbility { 125e41f4b71Sopenharmony_ci onSessionCreate(want: Want, session: UIExtensionContentSession) { 126e41f4b71Sopenharmony_ci const extensionHostWindow = session.getUIExtensionHostWindowProxy(); 127e41f4b71Sopenharmony_ci // 添加安全水印标志 128e41f4b71Sopenharmony_ci extensionHostWindow.setWaterMarkFlag(true).then(() => { 129e41f4b71Sopenharmony_ci console.log(`Succeeded in setting water mark flag of window.`); 130e41f4b71Sopenharmony_ci }).catch((err: BusinessError) => { 131e41f4b71Sopenharmony_ci console.log(`Failed to setting water mark flag of window. Cause:${JSON.stringify(err)}`); 132e41f4b71Sopenharmony_ci }) 133e41f4b71Sopenharmony_ci } 134e41f4b71Sopenharmony_ci onSessionDestroy(session: UIExtensionContentSession) { 135e41f4b71Sopenharmony_ci const extensionHostWindow = session.getUIExtensionHostWindowProxy(); 136e41f4b71Sopenharmony_ci // 删除安全水印标志 137e41f4b71Sopenharmony_ci extensionHostWindow.setWaterMarkFlag(false).then(() => { 138e41f4b71Sopenharmony_ci console.log(`Succeeded in deleting water mark flag of window.`); 139e41f4b71Sopenharmony_ci }).catch((err: BusinessError) => { 140e41f4b71Sopenharmony_ci console.log(`Failed to deleting water mark flag of window. Cause:${JSON.stringify(err)}`); 141e41f4b71Sopenharmony_ci }) 142e41f4b71Sopenharmony_ci } 143e41f4b71Sopenharmony_ci} 144e41f4b71Sopenharmony_ci``` 145