harmony 鸿蒙@ohos.application.WindowExtensionAbility (WindowExtensionAbility)

  • 2022-08-09
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@ohos.application.WindowExtensionAbility (WindowExtensionAbility)

WindowExtensionAbility inherits from ExtensionAbility. The content in a WindowExtensionAbility object can be displayed as an ability component in other application windows.

NOTE

The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.

The APIs provided by this module are system APIs.

The APIs of this module can be used only in the stage model.

Modules to Import

import WindowExtensionAbility from '@ohos.application.WindowExtensionAbility';

Attributes

System capability: SystemCapability.WindowManager.WindowManager.Core

Name Type Readable Writable Description
context WindowExtensionContext Yes No Context of an Extension ability.

WindowExtensionAbility.onConnect

onConnect(want: Want): void

Called when this Window Extension ability is connected to an ability for the first time.

System capability: SystemCapability.WindowManager.WindowManager.Core

Parameters

Name Type Mandatory Description
want Want Yes Information related to this Window Extension ability, including the ability name and bundle name.

Example

import WindowExtensionAbility from '@ohos.application.WindowExtensionAbility';
import Want from '@ohos.app.ability.Want';

export default class MyWindowExtensionAbility extends WindowExtensionAbility {
  onConnect(want: Want) {
    console.info('WindowExtAbility onConnect, abilityName: ${want.abilityName}');
  }
}

WindowExtensionAbility.onDisconnect

onDisconnect(want: Want): void

Called when this Window Extension ability is disconnected from all connected abilities.

System capability: SystemCapability.WindowManager.WindowManager.Core

Parameters

Name Type Mandatory Description
want Want Yes Information related to this Window Extension ability, including the ability name and bundle name.

Example

import WindowExtensionAbility from '@ohos.application.WindowExtensionAbility';
import Want from '@ohos.app.ability.Want';

export default class MyWindowExtensionAbility extends WindowExtensionAbility {
  onDisconnect(want: Want) {
    console.info('WindowExtAbility onDisconnect, abilityName: ${want.abilityName}');
  }
}

WindowExtensionAbility.onWindowReady

onWindowReady(window: window.Window): void

Called when a window is ready.

System capability: SystemCapability.WindowManager.WindowManager.Core

Parameters

Name Type Mandatory Description
window window.Window Yes Current Window instance.

Example

import WindowExtensionAbility from '@ohos.application.WindowExtensionAbility';
import window from '@ohos.window';

export default class MyWindowExtensionAbility extends WindowExtensionAbility {
  onWindowReady(window: window.Window) {
    window.loadContent('WindowExtAbility/pages/index1').then(() => {
      window.getProperties().then((pro: window.WindowProperties) => {
        console.log('WindowExtension pro: ${JSON.stringify(pro)}');
      });
      window.show();
    });
  }
}

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