React Native Chart Kit Contribution Example


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Published By: Admin, Published On: Jun 02, 2021, Category: React Native
React Native Chart Kit contribution Chart Example

Hi Guys,

Today, I will learn you how to use chart kit contribution chart in react native. we will show example of react native chart kit contribution chart.You can easily create contribution chart in react native. First i will import react-native-chart-kit and react-native-svg, after I will create chart kit contribution chart in react native.

Here, I will give you full example for simply display chart kit contribution chart using react native as bellow.

Step 1 - Create project

In the first step Run the following command for create project.

expo init ChartProject
Step 2 - Install Package

In the step,I will install yarn add react-native-chart-kit package.

yarn add react-native-chart-kit
After,I will install yarn add react-native-svg package.
yarn add react-native-svg
Step 3 - App.js

In this step, You will open App.js file and put the code.

import React, { Component } from "react";
import {View,StyleSheet,Text,Dimensions} from 'react-native';
import { Provider,Appbar} from 'react-native-paper';
import { ContributionGraph } from "react-native-chart-kit";
const MyWebtutsComponent = () => {
  
  const data = [
        { date: "2021-01-02", count: 7 },
        { date: "2021-01-03", count: 2 },
        { date: "2021-01-04", count: 3 },
        { date: "2021-01-05", count: 4 },
        { date: "2021-01-06", count: 5 },
        { date: "2021-01-30", count: 2 },
        { date: "2021-01-31", count: 3 },
        { date: "2021-12-25", count: 6 },
        { date: "2021-02-02", count: 4 },
        { date: "2021-12-05", count: 2 },
        { date: "2020-12-15", count: 5 }
    ];

  const _goBack = () => console.log('Went back');
  const _handleSearch = () => console.log('Searching');
  const _handleMore = () => console.log('Shown more');

  return (
    <Provider>
        <Appbar.Header style={styles.header}>
            <Appbar.BackAction onPress={_goBack} />
            <Appbar.Content title="My App" subtitle="Subtitle" />
            <Appbar.Action icon="magnify" onPress={_handleSearch} />
            <Appbar.Action icon="dots-vertical" onPress={_handleMore} />
        </Appbar.Header>
        <View style={styles.mainbox}>
            <Text style={styles.title}>Contribution Graph - MyWebtuts.com</Text>
            <ContributionGraph
                values={data}
                endDate={new Date("2021-05-01")}
                width={335} 
                height={220}
                chartConfig={{
                backgroundGradientFrom: "#e2e2e2",
                backgroundGradientTo: "#e2e2e2",
                decimalPlaces: 2, // optional, defaults to 2dp
                   color: (opacity = 1) => `rgba(0, 0, 0, ${opacity})`,
                   labelColor: (opacity = 1) => `rgba(0, 0, 0, ${opacity})`,
                }}
                style={{
                  marginVertical: 10,
                  borderRadius: 10
                }}
            />
        </View>
    </Provider>
  );
};
const styles = StyleSheet.create({
    title:{
        fontSize: 20,
        textAlign:'center',
    },
    mainbox:{
        textAlign:'center',
        margin: 10,
        justifyContent: 'space-between',
  },
});
export default MyWebtutsComponent;
Step 4 - Run project

In the last step run your project using bellow command.

expo start
Output

It will help you..

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