@deboxsoft/react-native-elements
Version:
React Native Elements & UI Toolkit
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Markdown
id: version-1.0.0-beta2-button_group
title: ButtonGroup
original_id: button_group
### [Snack Demo](https://snack.expo.io/BJZpMm3ob)

### Using strings
```js
constructor () {
super()
this.state = {
selectedIndex: 2
}
this.updateIndex = this.updateIndex.bind(this)
}
updateIndex (selectedIndex) {
this.setState({selectedIndex})
}
render () {
const buttons = ['Hello', 'World', 'Buttons']
const { selectedIndex } = this.state
return (
<ButtonGroup
onPress={this.updateIndex}
selectedIndex={selectedIndex}
buttons={buttons}
containerStyle={{height: 100}}
/>
)
}
```
### Using components
```js
constructor () {
super()
this.state = {
selectedIndex: 2
}
this.updateIndex = this.updateIndex.bind(this)
}
updateIndex (selectedIndex) {
this.setState({selectedIndex})
}
const component1 = () => <Text>Hello</Text>
const component2 = () => <Text>World</Text>
const component3 = () => <Text>ButtonGroup</Text>
render () {
const buttons = [{ element: component1 }, { element: component2 }, { element: component3 }]
const { selectedIndex } = this.state
return (
<ButtonGroup
onPress={this.updateIndex}
selectedIndex={selectedIndex}
buttons={buttons}
containerStyle={{height: 100}} />
)
}
```
### Props
> This component inherits [all native TouchableHighlight and TouchableOpacity props that come with React Native TouchableHighlight or TouchableOpacity elements](https://facebook.github.io/react-native/docs/touchablehighlight.html), along with the following:
* [`buttonStyle`](#buttonstyle)
* [`buttons`](#buttons)
* [`component`](#component)
* [`containerBorderRadius`](#containerborderradius)
* [`containerStyle`](#containerstyle)
* [`disableSelected`](#disableselected)
* [`innerBorderStyle`](#innerborderstyle)
* [`onPress`](#onpress)
* [`selectMultiple`](#selectmultiple)
* [`selectedButtonStyle`](#selectedbuttonstyle)
* [`selectedIndex`](#selectedindex)
* [`selectedIndexes`](#selectedindexes)
* [`selectedTextStyle`](#selectedtextstyle)
* [`textStyle`](#textstyle)
* [`underlayColor`](#underlaycolor)
# Reference
### `buttonStyle`
specify styling for button (optional)
| Type | Default |
| :------------: | :---------------: |
| object (style) | inherited styling |
### `buttons`
array of buttons for component (required), if returning a component, must be an object with { element: componentName }
| Type | Default |
| :---: | :-----: |
| array | none |
### `component`
Choose other button component such as TouchableOpacity (optional)
| Type | Default |
| :--------------------: | :----------------: |
| React Native Component | TouchableHighlight |
### `containerBorderRadius`
Set's the border radius for the first and last button in the button group
| Type | Default |
| :----: | :-----: |
| number | 3 |
### `containerStyle`
specify styling for main button container (optional)
| Type | Default |
| :------------: | :---------------: |
| object (style) | inherited styling |
### `disableSelected`
disables the currently selected button if true
| Type | Default |
| :-----: | :-----: |
| boolean | false |
### `innerBorderStyle`
update the styling of the interior border of the list of buttons (optional)
| Type | Default |
| :---------------------: | :---------------: |
| object { width, color } | inherited styling |
### `onPress`
method to update Button Group Index (required)
| Type | Default |
| :------: | :-----: |
| function | none |
### `selectMultiple`
allows the user to select multiple buttons
| Type | Default |
| :-----: | :-----: |
| boolean | false |
### `selectedButtonStyle`
specify styling for selected button (optional)
| Type | Default |
| :------------: | :---------------: |
| object (style) | inherited styling |
### `selectedIndex`
current selected index of array of buttons (required)
| Type | Default |
| :----: | :-----: |
| number | none |
### `selectedIndexes`
current selected indexes from the array of buttons
| Type | Default |
| :------------: | :-----: |
| array (number) | [] |
### `selectedTextStyle`
specify specific styling for text in the selected state (optional)
| Type | Default |
| :------------: | :---------------: |
| object (style) | inherited styling |
### `textStyle`
specify specific styling for text (optional)
| Type | Default |
| :------------: | :---------------: |
| object (style) | inherited styling |
### `underlayColor`
specify underlayColor for TouchableHighlight (optional)
| Type | Default |
| :----: | :-----: |
| string | white |