How to make a pie chart in React Native?

Pie charts are a type of circular chart that are used to represent data as a proportion of the whole. They are often used to visualize data that is divided into categories or segments, such as the distribution of a budget or the market share of different products.

In a React Native application, a pie chart can be useful in several scenarios:

• Data visualization: Pie charts can be used to show data in a clear and easy-to-understand format. For example, you can use a pie chart to show the distribution of different types of expenses in a budgeting app.
• Comparison: Pie charts allow for easy comparison between different segments of data. For example, you can use a pie chart to compare the market share of different products in an e-commerce app.
• Trend Analysis: Pie charts can also be useful to show the trend analysis of a particular data over a period of time.
• Business Intelligence: Businesses can use pie charts to show data about their sales, customer demographics, or other key metrics. This can help them make informed decisions about marketing, product development, and other business strategies.
• Reporting: Pie charts can be used to represent data in a report, they are easy to read and interpret, which makes it a good option for reporting.

There are several ways to make a pie chart in React Native, but one popular library for creating charts is react-native-chart-kit. This library provides a set of customizable chart components that can be used to create a pie chart. Here is an example of how to create a simple pie chart using react-native-chart-kit:

1. First, install the library by running the command yarn add react-native-chart-kit or npm install react-native-chart-kit.

2. Import the library in your React Native component:

import { PieChart } from 'react-native-chart-kit';

3. Define the data for the chart. This data should be in the form of an array of objects, where each object represents a slice of the pie and has a value and a color property.

const data = [
  { value: 50, color: '#F00' },
  { value: 40, color: '#0F0' },
  { value: 10, color: '#00F' },
];

4. Use the PieChart component to render the chart, passing in the data and any other configuration options you want to use.

<PieChart
  data={data}
  width={300}
  height={220}
  accessor="value"
  backgroundColor="transparent"
  paddingLeft="15"
  absolute
/>

5. You can also add some additional properties to configure the chart like chartLabel, chartRadius and more, as per your requirement.

This is a simple example, you can customize it as per your requirement.

Please note that this is a 3rd party library and it might have some breaking changes or deprecation in the future.