react-native-ui-stepper

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react-native-ui-stepper

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A react-native implementation of the iOS UIStepper

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# react-native-ui-stepper

[![npm version](https://img.shields.io/npm/v/react-native-ui-stepper.svg)](https://www.npmjs.com/package/react-native-ui-stepper)
[![npm version](https://img.shields.io/npm/dt/react-native-ui-stepper.svg)](https://img.shields.io/npm/dt/react-native-ui-stepper.svg)

![Examples](https://i.imgur.com/D7OdHoh.png "Examples")

A react-native component which mirrors the functionality of [UIStepper](https://developer.apple.com/reference/uikit/uistepper) from iOS.

> A stepper control provides a user interface for incrementing or decrementing a value. A stepper displays two buttons, one with a minus (“–”) symbol and one with a plus (“+”) symbol.

**You can now configure your react-native-ui-stepper to be vertical**

## Installation

`npm i react-native-ui-stepper`

## Usage

```javascript
import UIStepper from 'react-native-ui-stepper';
...
setValue = (value) => {
  // do something with value
}
render() {
  return (
      <UIStepper
        onValueChange={(value) => { this.setValue(value) }}
      />
  )
}
```

You can now use custom images, from your local file system or from the Internet. See [Props](#props) for more details.

## Demo

![Demo example](http://g.recordit.co/ipvGlYfRpa.gif "Demo example")

## Props

| Name                    | Type             | Description                                                                                                                                                                         | Default                           |
| ----------------------- | ---------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------- |
| `initialValue`          | Number           | Start value                                                                                                                                                                         | 0                                 |
| `value`                 | Number           | Forcibly override the value                                                                                                                                                         | 0                                 |
| `minimumValue`          | Number           | Minimum value                                                                                                                                                                       | 0                                 |
| `maximumValue`          | Number           | Maximum value                                                                                                                                                                       | 100                               |
| `steps`                 | Number           | Increment value                                                                                                                                                                     | 1                                 |
| `displayValue`          | Boolean          | Displays the stepper value between the increment and decrement button                                                                                                               | false                             |
| `incrementImage`        | String or Number | Override the default increment image                                                                                                                                                | require('./assets/increment.png') |
| `decrementImage`        | String or Number | Override the default decrement image                                                                                                                                                | require('./assets/decrement.png') |
| `wraps`                 | Boolean          | When set to true, incrementing beyond the `maximumValue` will set the value to `minimumValue` and vice versa                                                                        | false                             |
| `tintColor`             | String           | Changes the color of all the non-transparent pixels to the tintColor.                                                                                                               | #0076FF                           |
| `overrideTintColor`     | Boolean          | When using an external image, set whether you want the tintColor to be applied to non-transparent pixels.                                                                           | false                             |
| `backgroundColor`       | String           | Background color                                                                                                                                                                    | transparent                       |
| `vertical`              | Boolean          | Display a vertical UI Stepper. You **must** specify a height and a width.                                                                                                           | false                             |
| `displayDecrementFirst` | Boolean          | Display the decrement button above the increment button, only works when `vertical` is `true`                                                                                       | false                             |
| `width`                 | Number           | Width                                                                                                                                                                               | 94                                |
| `height`                | Number           | Height                                                                                                                                                                              | 29                                |
| `textColor`             | String           | The desired text colour which will be used when `displayValue` is set to `true`                                                                                                     | #0076FF                           |
| `fontFamily`            | String           | The font family used on the value displayed when `displayValue` is set to `true`                                                                                                    | System                            |
| `fontSize`              | Number           | The font size used on the value displayed when `displayValue` is set to `true`                                                                                                      | 15                                |
| `borderColor`           | String           | Color used for the border                                                                                                                                                           | #0076FF                           |
| `borderWidth`           | Number           | Width of the border                                                                                                                                                                 | 1                                 |
| `borderRadius`          | Number           | Radius of the border                                                                                                                                                                | 4                                 |
| `onValueChange`         | Function         | Executed when the value changes. The value is passed as a parameter                                                                                                                 | null                              |
| `onIncrement`           | Function         | Executed when the User clicks the increment (+) button. The value is passed as a parameter                                                                                          | null                              |
| `onDecrement`           | Function         | Executed when the User clicks the decrement (+) button. The value is passed as a parameter                                                                                          | null                              |
| `onMinimumReached`      | Function         | Executed when the `minimumValue` is reached. The value is passed as a parameter                                                                                                     | null                              |
| `onMaximumReached`      | Function         | Executed when the `maximumValue` is reached. The value is passed as a parameter                                                                                                     | null                              |
| `innerRef`              | Function         | A reference to the rendered UIStepper. You can use this to gain access to class-based methods. `increment()`, `decrement()`, `resetValue()` and `setValue()` are most commonly used | null                              |

## Contributing

There are no requirements for contributing to the react-native-ui-stepper package. You can [browse](https://github.com/hannigand/react-native-ui-stepper/issues/) or raise issues that you are would like to contribute to.

1. Fork the repository on Github
2. Clone the project
3. Commit changes to your forked branch
4. Push your changes to your branch
5. Submit a Pull Request so that it can be merged into react-native-ui-stepper

## Run Example

```
$ git clone https://github.com/hannigand/react-native-ui-stepper.git
$ cd example
$ yarn # or npm install
$ react-native run-ios
```

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