react-native-circular-picker (WIP)

Apple Card circular picker component in react native.

Installation

1. Install react-native-svg

expo install react-native-svg

2. Install react-native-circular-picker

yarn add react-native-circular-picker

Usage

import { useState } from 'react';
import CircularPicker from 'react-native-circular-picker';

export default () => {
  const [price, setPrice] = useState(0);
  const handleChange = (v) => setPrice((v * 20).toFixed(0));

  return (
    <CicularPicker
      size={400}
      steps={[15, 40, 70, 100]}
      gradients={{
        0: ['rgb(255, 97, 99)', 'rgb(247, 129, 119)'],
        15: ['rgb(255, 204, 0)', 'rgb(255, 214, 10)'],
        40: ['rgb(52, 199, 89)', 'rgb(48, 209, 88)'],
        70: ['rgb(0, 122, 255)', 'rgb(10, 132, 255)'],
      }}
      onChange={handleChange}
    >
      <>
        <Text style={{ textAlign: 'center', fontSize: 24, marginBottom: 8 }}>{price} $</Text>
        <Text style={{ textAlign: 'center' }}>Available balance 2000 $</Text>
      </>
    </CircularPicker>
  );
}

Props

Name	Default	type	description
size (required)	-	number	size of the component
strokeWidth	45	number
defaultPos	0	number
steps	[]	[number]
gradients	{ 0: ['rgb(255, 204, 0)', 'rgb(255, 214, 10)'] }	object
backgroundColor	'rgb(231, 231, 231)'	string
stepColor	'rgba(0, 0, 0, 0.2)'	string
borderColor	'rgb(255, 255, 255)'	string
onChange	(val) => undefined	function	value in percent

Steps

You can defines clickable steps on the circle. steps are defined by an array of position (0 - 100).

Gradients

You can define gradients according the position of the cursor on the circle. Gradients are defined by an object, the key is the starting percentage and the value is an array of colors.

{
  0:  ['rgb(255, 97, 99)', 'rgb(247, 129, 119)'],
  15: ['rgb(255, 204, 0)', 'rgb(255, 214, 10)'],
  40: ['rgb(52, 199, 89)', 'rgb(48, 209, 88)'],
  70: ['rgb(0, 122, 255)', 'rgb(10, 132, 255)'],
}

@TODO

• Animation with React Animated when you click on steps
• Improve end bounding area

Author

Florian Guyonnet

License

MIT