ts-basic-components-toggle.md

# Toggle

The **\<Toggle>** component provides a clickable element in the check box, button, or switch type.

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


## Required Permissions

None


## Child Components

This component can contain child components only when **ToggleType** is set to **Button**.


## APIs

Toggle(options: { type: ToggleType, isOn?: boolean })

- Parameters
  | Name| Type| Mandatory| Description|
  | -------- | -------- | -------- | -------- |
  | type | ToggleType | Yes| Type of the toggle.|
  | isOn | boolean | No| Whether the toggle is turned on. The value **true** means that the toggle is turned on, and **false** means the opposite.<br/>Default value: **false** |


- ToggleType enums
  | Name| Description|
  | -------- | -------- |
  | Checkbox | Check box type.<br>> **NOTE**<br>> The default value of the universal attribute [padding](ts-universal-attributes-size.md) is as follows:<br>{<br> top: 14 vp,<br> right: 6 vp,<br> bottom: 14 vp,<br> left: 6 vp<br> } |
  | Button   | Button type. The set string, if any, will be displayed inside the button.      |
  | Switch   | Switch type.<br>> **NOTE**<br>> The default value of the universal attribute [padding](ts-universal-attributes-size.md) is as follows:<br>{<br> top: 12 vp,<br> right: 12 vp,<br> bottom: 12 vp,<br> left: 12 vp<br> } |


## Attributes

| Name| Parameter| Default Value| Description|
| -------- | -------- | -------- | -------- |
| selectedColor | [ResourceColor](ts-types.md#resourcecolor) | - | Background color of the component when it is turned on.|
| switchPointColor | [ResourceColor](ts-types.md#resourcecolor) | - | Color of the circular slider when the component is of the **Switch** type.<br>> **NOTE**<br>> This attribute is valid only when **type** is set to **ToggleType.Switch**.|


## Events

| Name| Description|
| -------- | -------- |
| onChange(callback: (isOn: boolean) =&gt; void) | Triggered when the toggle status changes.|


## Example

```ts
// xxx.ets
@Entry
@Component
struct ToggleExample {

  build() {
    Column({ space: 10 }) {
      Text('type: Switch').fontSize(12).fontColor(0xcccccc).width('90%')
      Flex({ justifyContent: FlexAlign.SpaceEvenly, alignItems: ItemAlign.Center }) {
        Toggle({ type: ToggleType.Switch, isOn: false })
          .selectedColor(0xed6f21)
          .switchPointColor(0xe5ffffff)
          .onChange((isOn: boolean) => {
            console.info('Component status:' + isOn)
          })

        Toggle({ type: ToggleType.Switch, isOn: true })
          .selectedColor(0x39a2db)
          .switchPointColor(0xe5ffffff)
          .onChange((isOn: boolean) => {
            console.info('Component status:' + isOn)
          })
      }

      Text('type: Checkbox').fontSize(12).fontColor(0xcccccc).width('90%')
      Flex({ justifyContent: FlexAlign.SpaceEvenly, alignItems: ItemAlign.Center }) {
        Toggle({ type: ToggleType.Checkbox, isOn: false })
          .size({ width: 28, height: 28 })
          .selectedColor(0xed6f21)
          .onChange((isOn: boolean) => {
            console.info('Component status:' + isOn)
          })

        Toggle({ type: ToggleType.Checkbox, isOn: true })
          .size({ width: 28, height: 28 })
          .selectedColor(0x39a2db)
          .onChange((isOn: boolean) => {
            console.info('Component status:' + isOn)
          })
      }

      Text('type: Button').fontSize(12).fontColor(0xcccccc).width('90%')
      Flex({ justifyContent: FlexAlign.SpaceEvenly, alignItems: ItemAlign.Center }) {
        Toggle({ type: ToggleType.Button, isOn: false }) {
          Text('status button').padding({ left: 12, right: 12 })
        }
        .selectedColor(0xed6f21)
        .onChange((isOn: boolean) => {
          console.info('Component status:' + isOn)
        })

        Toggle({ type: ToggleType.Button, isOn: true }) {
          Text('status button').padding({ left: 12, right: 12 })
        }
        .selectedColor(0x39a2db)
        .onChange((isOn: boolean) => {
          console.info('Component status:' + isOn)
        })
      }
    }.width('100%').padding(24)
  }
}
```

![en-us_image_0000001211898522](figures/en-us_image_0000001211898522.gif)