harmony 鸿蒙@system.prompt (Prompt)

2022-08-09
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@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.