ts-basic-components-textpicker.md 1.7 KB
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# TextPicker


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> **NOTE**<br>
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> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.


The **&lt;TextPicker&gt;** component allows users to select text from a list of options.


## Required Permissions

None


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## Child Components
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None


## APIs

TextPicker(value: {range: string[], selected?: number})

Creates a text picker based on the selection range specified by **range**.

- Parameter
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  | Name | Type | Mandatory | Default Value | Description |
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  | -------- | -------- | -------- | -------- | -------- |
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  | range | string[] | Yes | - | Data selection range of the picker. |
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  | selected | number | No | - | Index value of the selected item in the array. By default, the first element is selected. |
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## Attributes

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| Name | Type | Default Value | Description |
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| -------- | -------- | -------- | -------- |
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| defaultPickerItemHeight | Length | - | Default height of a Picker content item element. |
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## Events

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| Name | Description |
| -------- | -------- |
| onChange(callback: (value: string, index: number) =&gt; void) | Triggered when an item in the picker is selected.<br/>- **value**: text of the selected item.<br/>- **index**: index of the selected item. |
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## Example


```
@Entry
@Component
struct TextPickerExample {
  private select: number = 1
  private fruits: string[] = ['apple1', 'orange2', 'peach3', 'grape4']

  build() {
    Column() {
      TextPicker({range: this.fruits, selected: this.select})
        .onChange((value: string, index: number) => {
          console.info('Picker item changed, value: ' + value + ', index: ' + index)
        })
    }
  }
}
```

![en-us_image_0000001257058417](figures/en-us_image_0000001257058417.png)