How to create an uuid in a react native application:
One package is available to create an uuid in ReactNative. This library is called react native uuid. As mentioned in the doc, it is a TypeScript implementation of RFC4122 standard A Universally Unique IDentifier (UUID) URN Namespace.
You can install it using npm:
npm install react-native-uuid
Import and use it:
import uuid from 'react-native-uuid'; uuid.v4();
Documentation for all methods are available here.