react-native-infinite-wheel-picker

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The React Native Infinite Wheel Picker package offers a highly customizable, versatile, and seamless wheel picker component, enhancing the user experience with smooth scrolling and intuitive selection. It's dynamic design allows for endless scrolling, providing a natural and interactive interface for selecting values.

The library is compatible with both Android and iOS platforms, offering a versatile solution to elevate your app's user interface with ease.

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Quick Access

Installation | Usage and Examples | Properties | Example Code | License

Getting Started

Here's how to get started with react-native-infinite-wheel-picker in your React Native project:

Installation

Install the package

npm install react-native-infinite-wheel-picker

Using Yarn:

yarn add react-native-infinite-wheel-picker

Usage

import React from 'react';
import { StyleSheet, View } from 'react-native';
import { WheelPicker } from 'react-native-infinite-wheel-picker';

const App: React.FC = () => {
  const initialData = [1, 2, 3, 4, 5, 6, 7, 8];
  const [selectedIndex, setSelectedIndex] = React.useState(3);

  return (
    <View style={styles.container}>
      <WheelPicker
        initialSelectedIndex={3}
        data={initialData}
        restElements={2}
        elementHeight={30}
        onChangeValue={(index, value) => {
          console.log(value);
          setSelectedIndex(index);
        }}
        selectedIndex={selectedIndex}
        containerStyle={styles.containerStyle}
        selectedLayoutStyle={styles.selectedLayoutStyle}
        elementTextStyle={styles.elementTextStyle}
      />
    </View>
  );
};

export default App;

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    backgroundColor: '#fff',
    alignItems: 'center',
  },
  selectedLayoutStyle: {
    backgroundColor: '#00000026',
    borderRadius: 2,
  },
  containerStyle: { 
    backgroundColor: '#0000001a', 
    width: 150 
  },
  elementTextStyle: { 
    fontSize: 18 
  },
});

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For, a simple scroll use infiniteScroll={false} that disable infinite scrolling of the items.

<WheelPicker
  initialSelectedIndex={3}
  data={initialData}
  restElements={2}
  elementHeight={30}
  onChangeValue={value => {
    console.log(value);
  }}
  infiniteScroll={false}
  selectedIndex={selectedIndex}
  containerStyle={styles.containerStyle}
  selectedLayoutStyle={styles.selectedLayoutStyle}
  elementTextStyle={styles.elementTextStyle}
/>;

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Properties

Props	Default	Type	Description
data	-	Array<string> or Array<number>	An array of strings or numbers representing the items to be displayed. eg [1, 2, 3, 4, 5, 6, 7, 8]
onChangeValue	-	function	A callback function invoked when the selected item changes, receiving the new value
selectedIndex	-	number	The item that should be selected in the picker
initialSelectedIndex	0	number or string	The item that should be pre-selected in the picker
infiniteScroll	true	boolean	A boolean that enables or disables infinite scrolling of the items
restElements	2	number	The number of items to show above and below the selected item in the picker
loopCount	100	number	The number of times data array is repeated in picker
decelerationRate	'fast'	'normal', 'fast', 'number	Determines how quickly the scroll decelerates after the user lifts their finger in the picker
elementHeight	40	number	The height of each item in the picker, in pixels
elementTextStyle	-	StyleProp<TextStyle>	Style applied to the text of each item in the picker
elementContainerStyle	-	StyleProp<ViewStyle>	Style applied to the container of each item in the picker
selectedLayoutStyle	-	StyleProp<ViewStyle>	Style applied to the container of the selected item
containerStyle	-	StyleProp<ViewStyle>	Style applied to the container of the wheel picker
containerProps	-	ViewProps	Props applied to the container of the wheel picker
flatListProps	-	FlatListProps	Props applied to the flatlist of the wheel picker

Know more about ViewProps, ViewStyle, FlatListProps, TextStyle, decelerationRate

Note: In case of a manual prop change, make sure to reload the application to see the changes in the component.

WheelPickerRef Methods

scrollToIndex()

scrollToIndex(index: number): void

scrollToIndex function that scroll to particular index.

Example

A full working example project is here Example

yarn
yarn example ios   // For ios
yarn example android   // For Android

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Bugs / Feature requests / Feedbacks

For bugs, feature requests, and discussion please use GitHub Issues, GitHub New Feature, GitHub Feedback

🤝 How to Contribute

We'd love to have you improve this library or fix a problem 💪 Check out our Contributing Guide for ideas on contributing.

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License

• MIT License