1// step one install this module
2npm install react-native-dotenv
3
4// step two add this in your babel.config.js
5 plugins: [
6    'module:react-native-dotenv',
7    {
8      moduleName: '@dotenv',
9      safe: false,
10      allowUndefined: false
11    }
12  ]
13 
14 // step three add value whatever in your .env file
15 API_KEY = 434d3c04fc285d218d740e2a568387e4
16 
17 // step four use this method for call environment
18 import { API_KEY } from '@dotenv'

1{
2  "plugins": [
3    ["module:react-native-dotenv"]
4  ]
5}