harmony 鸿蒙@ohos.prompt (Prompt)

2022-08-09
浏览 (933)

@ohos.prompt (Prompt)

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

NOTE

The APIs of this module are deprecated since API Version 9. You are advised to use @ohos.promptAction instead.

The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.

Modules to Import

import prompt from '@ohos.prompt'

prompt.showToast

showToast(options: ShowToastOptions): void

Shows a toast.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name	Type	Mandatory	Description
options	ShowToastOptions	Yes	Toast options.

Example

prompt.showToast({            
  message: 'Message Info',
    duration: 2000
});

en-us_image_0001

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 value range is 1500 ms to 10000 ms. If a value less than 1500 ms is set, the default value is used. If the value greater than 10000 ms is set, the upper limit 10000 ms is used.
bottom	string\|number	No	Distance between the toast border and the bottom of the screen. It does not have an upper limit. The default unit is vp.

prompt.showDialog

showDialog(options: ShowDialogOptions): Promise<ShowDialogSuccessResponse>

Shows a dialog box. This API uses a promise to return the result synchronously.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name	Type	Mandatory	Description
options	ShowDialogOptions	Yes	Dialog box options.

Return value

Type	Description
Promise<ShowDialogSuccessResponse>	Promise used to return the dialog box response result.

Example

prompt.showDialog({
  title: 'Title Info',
  message: 'Message Info',
  buttons: [
    {
      text: 'button1',
      color: '#000000'
    },
    {
      text: 'button2',
      color: '#000000'
    }
  ],
})
  .then(data => {
    console.info('showDialog success, click button: ' + data.index);
  })
  .catch(err => {
    console.info('showDialog error: ' + err);
  })

en-us_image_0002

prompt.showDialog

showDialog(options: ShowDialogOptions, callback: AsyncCallback<ShowDialogSuccessResponse>):void

Shows a dialog box. This API uses an asynchronous callback to return the result.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name	Type	Mandatory	Description
options	ShowDialogOptions	Yes	Dialog box options.
callback	AsyncCallback<ShowDialogSuccessResponse>	Yes	Callback used to return the dialog box response result.

Example

prompt.showDialog({
  title: 'showDialog Title Info',
  message: 'Message Info',
  buttons: [
    {
      text: 'button1',
      color: '#000000'
    },
    {
      text: 'button2',
      color: '#000000'
    }
  ]
}, (err, data) => {
  if (err) {
    console.info('showDialog err: ' + err);
    return;
  }
  console.info('showDialog success callback, click button: ' + data.index);
});

en-us_image_0004

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 dialog box.
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’}. Up to three buttons are supported. The first button is of the positiveButton type, the second is of the negativeButton type, and the third is of the neutralButton type.

ShowDialogSuccessResponse

Describes the dialog box response result.

System capability: SystemCapability.ArkUI.ArkUI.Full

Name	Type	Mandatory	Description
index	number	No	Index of the selected button in the buttons array.

prompt.showActionMenu

showActionMenu(options: ActionMenuOptions, callback: AsyncCallback<ActionMenuSuccessResponse>):void

Shows an action menu. This API uses a callback to return the result asynchronously.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name	Type	Mandatory	Description
options	ActionMenuOptions	Yes	Action menu options.
callback	AsyncCallback<ActionMenuSuccessResponse>	Yes	Callback used to return the action menu response result.

Example

prompt.showActionMenu({
  title: 'Title Info',
  buttons: [
    {
      text: 'item1',
      color: '#666666'
    },
    {
      text: 'item2',
      color: '#000000'
    },
  ]
}, (err, data) => {
  if (err) {
    console.info('showActionMenu err: ' + err);
    return;
  }
  console.info('showActionMenu success callback, click button: ' + data.index);
})

en-us_image_0005

prompt.showActionMenu

showActionMenu(options: ActionMenuOptions): Promise<ActionMenuSuccessResponse>

Shows an action menu. This API uses a promise to return the result synchronously.

System capability: SystemCapability.ArkUI.ArkUI.Full

Parameters

Name	Type	Mandatory	Description
options	ActionMenuOptions	Yes	Action menu options.

Return value

Type	Description
Promise<ActionMenuSuccessResponse>	Promise used to return the action menu response result.

Example

prompt.showActionMenu({
  title: 'showActionMenu Title Info',
  buttons: [
    {
      text: 'item1',
      color: '#666666'
    },
    {
      text: 'item2',
      color: '#000000'
    },
  ]
})
  .then(data => {
    console.info('showActionMenu success, click button: ' + data.index);
  })
  .catch(err => {
    console.info('showActionMenu error: ' + err);
  })

en-us_image_0006

ActionMenuOptions

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 menu item buttons. The array structure is {text:‘button’, color: ‘#666666’}. Up to six buttons are supported. If there are more than six buttons, extra buttons will not be displayed.