@nghinv/react-native-color-wheel

React Native Color Wheel Library use reanimated 2

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Installation

yarn add @nghinv/react-native-color-wheel

or

npm install @nghinv/react-native-color-wheel

• peerDependencies

yarn add react-native-gesture-handler react-native-reanimated

Usage

import React, { useState } from 'react';
import { View, StyleSheet } from 'react-native';
import { useSharedValue } from 'react-native-reanimated';
import ColorWheel, { ColorAnimated } from '@nghinv/react-native-color-wheel';
import { colors, useHsv } from '@nghinv/react-native-animated';
import Slider from '@nghinv/react-native-slider';

function App() {
  const [color, setColor] = useState('#0000ff');
  const isGestureActive = useSharedValue(false);
  const hsv = useHsv({
    h: 0,
    s: 0,
    v: 100,
  });

  useEffect(() => {
    const hsvValue = colors.hex2Hsv('#0000ff');
    hsv.h.value = hsvValue.h;
    hsv.s.value = hsvValue.s;
    hsv.v.value = hsvValue.v;
  }, [hsv]);

  const onChange = (v: number) => {
    hsv.v.value = v;
  };

  return (
    <View style={styles.container}>
      <ColorAnimated
        hsv={hsv}
        isGestureActive={isGestureActive}
        style={styles.currentColor}
      />
      <ColorWheel
        hsv={hsv}
        isGestureActive={isGestureActive}
        size={260}
        // initialColor={color}
        onColorChange={(value) => {
          // setColor(value);
          hsv.value = hex2Hsv(value);
        }}
        onColorConfirm={(value) => {
          console.log('onColorConfirm', value);
        }}
      />
      <Slider
        width={240}
        style={{ marginTop: 32 }}
        value={hsv.v.value}
        onChange={onChange}
      />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    paddingHorizontal: 16,
  },
  currentColor: {
    width: 80,
    height: 40,
    borderRadius: 20,
    marginBottom: 24,
    borderWidth: 2,
    borderColor: 'white',
  },
});

export default App;

Property

Property	Type	Default	Description
initialColor	string	#ffffff
size	number	screen_width - 32
thumbSize	number	32
disabled	boolean	false
onColorChange	(color: string) => void	undefined
onColorConfirm	(color: string) => void	undefined
hsv	HsvAnimated	undefined
isGestureActive	Animated.SharedValue<boolean>	undefined

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Credits

• @Nghi-NV