How to zoom-in and zoom-out image in React Native

In this React Native source code example, the source code below illustrate how to Zoom-in and zoom-out image in React Native.

You can copy and adopt this source code example to your React Native project without reinventing the wheel.

import React, {Component} from 'react';
import {StyleSheet, Text, View, Image,Dimensions} from 'react-native';
import ImageZoom from 'react-native-image-pan-zoom';/* You have to install this package*/

export default class App extends Component {

  render() {
    return (
      <View style={styles.container}>
      <ImageZoom cropWidth={Dimensions.get('window').width}
                      cropHeight={Dimensions.get('window').height}
                      imageWidth={200}
                      imageHeight={200}>
               <Image style={{width:200, height:200}}
                      source={require('./images/testImage.jpeg')}/>
           </ImageZoom>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
    backgroundColor: '#fff',
  },
});

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