https://api.exchangeratesapi.io/latest
Picker component from https://github.com/react-native-picker/picker
$ npm install @react-native-picker/picker --save
or
$ yarn add @react-native-picker/picker
Used Object.keys method to pick country currency code
Used Object.values method to pick country currency rate vs Euro
Check https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys