harmony 鸿蒙@system.prompt (Prompt)

  • 2022-08-09
  • 浏览 (839)

@system.prompt (Prompt)

The PromptAction module provides APIs for creating and showing toasts, dialog boxes, and action menus.

NOTE

  • The APIs of this module are deprecated since API version 8. You are advised to use @ohos.promptAction instead.

  • The initial APIs of this module are supported since API version 3. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

import prompt from '@system.prompt';

prompt.showToast

showToast(options: ShowToastOptions): void

Shows the toast.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name Type Mandatory Description
options ShowToastOptions Yes Options for showing the toast.

Example

import prompt from '@system.prompt';
class A{
  showToast() {
    prompt.showToast({
      message: 'Message Info',
      duration: 2000
    });
  }
}
export default new A()

prompt.showDialog

showDialog(options: ShowDialogOptions): void

Shows the dialog box.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name Type Mandatory Description
options ShowDialogOptions Yes Options for showing the dialog box.

Example

import prompt from '@system.prompt';
class B{
  showDialog() {
    prompt.showDialog({
      title: 'Title Info',
      message: 'Message Info',
      buttons: [
        {
          text: 'button',
          color: '#666666'
        },
      ],
      success: (data)=> {
        console.log('dialog success callback, click button : ' + data.index);
      },
      cancel: ()=> {
        console.log('dialog cancel callback');
      },
    });
  }
}
export default new B()

prompt.showActionMenu6+

showActionMenu(options: ShowActionMenuOptions): void

Shows the action menu.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name Type Mandatory Description
options ShowActionMenuOptions Yes Options for showing the action menu.

Example

import prompt from '@system.prompt';
class C{
  showActionMenu() {
    prompt.showActionMenu({
      title: 'Title Info',
      buttons: [
        {
          text: 'item1',
          color: '#666666'
        },
        {
          text: 'item2',
          color: '#000000'
        },
      ],
      success: (tapIndex)=> {
        console.log('dialog success callback, click button : ' + data.tapIndex);
      },
      fail: (errMsg)=> {
        console.log('dialog fail callback' + errMsg);
      },
    });
  }
}
export default new C()

ShowToastOptions

Describes the options for showing the toast.

System capability: SystemCapability.ArkUI.ArkUI.Full

Name Type Mandatory Description
message string Yes Text to display.
duration number No Duration that the toast will remain on the screen. The default value is 1500 ms. The recommended value range is 1500 ms to 10000 ms. If a value less than 1500 ms is set, the default value is used.
bottom5+ string|number No Distance between the toast border and the bottom of the screen.

Button

Defines the prompt information of a button.

System capability: SystemCapability.ArkUI.ArkUI.Full

Name Type Mandatory Description
text string Yes Text displayed on the button.
color string Yes Color of the button.

ShowDialogSuccessResponse

Defines the dialog box response result.

System capability: SystemCapability.ArkUI.ArkUI.Full

Name Type Mandatory Description
index number Yes Data index.

ShowDialogOptions

Describes the options for showing the dialog box.

System capability: SystemCapability.ArkUI.ArkUI.Full

Name Type Mandatory Description
title string No Title of the text to display.
message string No Text body.
buttons [Button, Button?, Button?] No Array of buttons in the dialog box. The array structure is {text:‘button’, color: ‘#666666’}. One to six buttons are supported. If there are more than six buttons, extra buttons will not be displayed.
success (data: ShowDialogSuccessResponse) => void No Callback upon success.
cancel (data: string, code: string) => void No Callback upon failure.
complete (data: string) => void No Called when the API call is complete.

ShowActionMenuOptions6+

Describes the options for showing the action menu.

System capability: SystemCapability.ArkUI.ArkUI.Full

Name Type Mandatory Description
title string No Title of the text to display.
buttons [Button, Button?, Button?, Button?, Button?, Button?] Yes Array of buttons in the dialog box. The array structure is {text:‘button’, color: ‘#666666’}. One to six buttons are supported.
success (tapIndex: number, errMsg: string) => void No Invoked when a dialog box is displayed.
fail (errMsg: string) => void No Callback upon failure.
complete (data: string) => void No Invoked when a dialog box is closed.

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