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https://github.com/react-native-segmented-control/segmented-control

React Native SegmentedControl library
https://github.com/react-native-segmented-control/segmented-control

hacktoberfest react-native segmented-control

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React Native SegmentedControl library

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README

        

# `@react-native-segmented-control/segmented-control`

![Supports iOS and Android and Web][support-badge]![Github Action Badge][gha-badge] ![npm][npm-badge] [![Lean Core Extracted][lean-core-badge]][lean-core-issue]

React Native SegmentedControl library. Use SegmentedControl to render a UISegmentedControl iOS.

For Android and Web, it has a js implementation that mocks iOS 13 style of UISegmentedControl.

| iOS | Android | Web |
| ----------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------- |
| | | |

## Supported React Native Version

| react-native-segmented-control | react-native |
| ------------------------------ | ------------ |
| v2.2.0 | >= 0.62 |
| <= v2.2.0 | >= 0.57 |

This module is NOT supported in the Expo Go app on iOS, because it requires custom native code. You need to use a custom development client or eject into bare workflow in order to use this module on iOS.

## Getting started

Install the library using your package manager:

pnpm:

```
pnpm install --save @react-native-segmented-control/segmented-control
```

yarn:

```
yarn add @react-native-segmented-control/segmented-control
```

npm:

```
npm install --save @react-native-segmented-control/segmented-control
```

## Link

### React Native 0.60+

The package is [automatically linked](https://github.com/react-native-community/cli/blob/master/docs/autolinking.md) when building the app. All you need to do is:

```sh
npx pod-install
```

For android, no linking is needed, as the module is implemented in js.

For React Native version 0.59 or older
### React Native <= 0.59

run `react-native link @react-native-segmented-control/segmented-control`

or you can follow the instructions to [manually link this package](https://facebook.github.io/react-native/docs/linking-libraries-ios#manual-linking).

## Upgrading to React Native _0.60+_

New React Native comes with `autolinking` feature, which automatically links Native Modules in your project. In order to get it to work, make sure you unlink `Segmented Control` first:

`react-native unlink @react-native-segmented-control/segmented-control`

## Migrating from the core `react-native` module

This module was created when the segmentedControlIos was split out from the core of React Native. To migrate to this module you need to follow the installation instructions above and then change you imports from:

```javascript
import {SegmentedControlIOS} from 'react-native';
```

to:

```javascript
import SegmentedControl from '@react-native-segmented-control/segmented-control';
```

## Usage

Start by importing the library:

Use `SegmentedControl` to render a UISegmentedControl iOS.

#### Programmatically changing selected index

The selected index can be changed on the fly by assigning the
selectedIndex prop to a state variable, then changing that variable.
Note that the state variable would need to be updated as the user
selects a value and changes the index, as shown in the example below.

```javascript
import SegmentedControl from '@react-native-segmented-control/segmented-control';

return (
{
this.setState({selectedIndex: event.nativeEvent.selectedSegmentIndex});
}}
/>
);
```

---

# Reference

## Props

Inherits [View Props](view.md#props).

### `enabled`

If false the user won't be able to interact with the control. Default value is true.

| Type | Required |
| ---- | -------- |
| bool | No |

---

### `momentary`

If true, then selecting a segment won't persist visually. The `onValueChange` callback will still work as expected.

| Type | Required | Platform |
| ---- | -------- | -------- |
| bool | No | iOS |

---

### `onChange`

Callback that is called when the user taps a segment; passes the event as an argument

| Type | Required |
| -------- | -------- |
| function | No |

---

### `onValueChange`

Callback that is called when the user taps a segment; passes the segment's value as an argument

| Type | Required |
| -------- | -------- |
| function | No |

---

### `selectedIndex`

The index in `props.values` of the segment to be (pre)selected.

| Type | Required |
| ------ | -------- |
| number | No |

---

### `tintColor`

Accent color of the control.

| Type | Required |
| ------ | -------- |
| string | No |

---

### `backgroundColor`

Background color color of the control. (iOS 13+ only)

| Type | Required | Supported Version |
| ------ | -------- | ----------------- |
| string | No | iOS 13+ |

---

### `values`

The labels for the control's segment buttons, in order.

| Type | Required |
| ------- | -------- |
| (string | number | Image)[] | No |

### `appearance`

(iOS 13+ only)
Overrides the control's appearance irrespective of the OS theme

| Type | Required | Platform |
| --------------- | -------- | ----------------- |
| 'dark', 'light' | No | iOS, Android, Web |

### `fontStyle`

(iOS 13+ only)
| Type | Required | Platform |
| ------ | -------- | -------- |
| object | No | iOS, Android, Web |

An object container

- `color`: color of segment text
- `fontSize`: font-size of segment text
- `fontFamily`: font-family of segment text
- `fontWeight`: font-weight of segment text

### `activeFontStyle`

(iOS 13+ only)
| Type | Required | Platform |
| ------ | -------- | -------- |
| object | No | iOS, Android, Web |

- `color`: overrides color of selected segment text
- `fontSize`: overrides font-size of selected segment text
- `fontFamily`: overrides font-family of selected segment text
- `fontWeight`: overrides font-weight of selected segment text

### `tabStyle`

(Android and Web only) Styles the clickable surface which is responsible to change tabs
| Type | Required | Platform |
| ------ | -------- | -------- |
| object | No | Android, Web |

Extends [ViewStyles](https://reactnative.dev/docs/view-style-props)

### `sliderStyle`

(Android and Web only) Styles the slider component (Animated.View)
| Type | Required | Platform |
| ------ | -------- | -------- |
| object | No | Android, Web |

Extends [ViewStyles](https://reactnative.dev/docs/view-style-props)

## Tips and Tricks

### How can I increase the height of the tab ?

For android and IOS, simply pass `prop.style`:

```json
{
"height": number
}
```

For react-native-web, additionally pass :

```json
{
"paddingVertical": number,
or
"height": number
}
```

### Adding padding makes text disappear on Android

If padding amount exceeds the fixed height of the container, it will shrink the text. So either increase the height or reduce your padding.

## Maintainers

- [M.Haris Baig](https://github.com/harisbaig100)
- [Naturalclar](https://github.com/Naturalclar)

## Contributing

Please see the [`contributing guide`](/CONTRIBUTING.md).

## License

The library is released under the MIT licence. For more information see [`LICENSE`](/LICENSE).

[gha-badge]: https://github.com/react-native-segmented-control/segmented-control/workflows/Build/badge.svg
[npm-badge]: https://img.shields.io/npm/v/@react-native-segmented-control/segmented-control.svg?style=flat-square
[lean-core-badge]: https://img.shields.io/badge/Lean%20Core-Extracted-brightgreen.svg?style=flat-square
[lean-core-issue]: https://github.com/facebook/react-native/issues/23313
[support-badge]: https://img.shields.io/badge/platforms-android%20|%20ios%20|%20web-lightgrey.svg?style=flat-square