harmony 鸿蒙LocationButton

2023-10-30
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LocationButton

The <LocationButton> security component allows you to obtain temporary precise location permission from the user by their touching the button, eliminating the need for a permission request dialog box.

NOTE

This component is supported since API version 10. Updates will be marked with a superscript to indicate their earliest API version.

Child Components

Not supported

APIs

LocationButton

LocationButton()

Creates a Location button with an icon, text, and background.

LocationButton

LocationButton(option:{icon?: LocationIconStyle, text?: LocationDescription, buttonType?: ButtonType})

Creates a Location button that contains the specified elements.

Parameters

Name	Type	Mandatory	Description
icon	LocationIconStyle	No	Icon style of the Location button. If this parameter is not specified, no icon is contained. Either icon or text, or both, must be set.
text	LocationDescription	No	Text on the Location button. If this parameter is not specified, no text is contained. Either icon or text, or both, must be set.
buttonType	ButtonType	No	Background style of the Location button. If this parameter is not specified, there is no background.

LocationIconStyle

Name	Description
FULL_FILLED	Filled style icon.
LINES	Line style icon.

LocationDescription

Name	Description
CURRENT_LOCATION	The text on the Location button is Current location.
ADD_LOCATION	The text on the Location button is Add location.
SELECT_LOCATION	The text on the Location button is Select location.
SHARE_LOCATION	The text on the Location button is Share location.
SEND_LOCATION	The text on the Location button is Send location.
LOCATING	The text on the Location button is Locate.
LOCATION	The text on the Location button is Location.
SEND_CURRENT_LOCATION	The text on the Location button is Send current location.
RELOCATION	The text on the Location button is Relocate.
PUNCH_IN	The text on the Location button is Punch in.
CURRENT_POSITION	The text on the Location button is Current position.

LocationButtonOnClickResult

Name	Description
SUCCESS	The Location button is touched successfully.
TEMPORARY_AUTHORIZATION_FAILED	Temporary authorization fails after the Location button is touched.

Attributes

This component can only inherit the universal attributes of security components

Events

Only the following events are supported.

Name	Description
onClick(event: (event: ClickEvent), result: LocationButtonOnClickResult) => void)	Triggered when the component is touched. result: authorization result. event: For details, see ClickEvent.

Example

// xxx.ets
@Entry
@Component
struct Index {
  build() {
    Row() {
      Column({space:10}) {
        // Create a default Location button with an icon, text, and background.
        LocationButton().onClick((event: ClickEvent, result: LocationButtonOnClickResult)=>{
          console.info("result " + result)
        })
        // Whether an element is contained depends on whether the parameter corresponding to the element is specified.
        LocationButton({icon:LocationIconStyle.LINES})
        // Create a Location button with only an icon and background.
        LocationButton({icon:LocationIconStyle.LINES, buttonType:ButtonType.Capsule})
        // Create a Location button with an icon, text, and background.
        LocationButton({icon:LocationIconStyle.LINES, text:LocationDescription.CURRENT_LOCATION, buttonType:ButtonType.Capsule})
      }.width('100%')
    }.height('100%')
  }
}

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