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This project was bootstrapped with Create React Native App.

Below you'll find information about performing common tasks. The most recent version of this guide is available here.

Runs your app in development mode.

Open it in the Expo app on your phone to view it. It will reload if you save edits to your files, and you will see build errors and logs in the terminal.

Sometimes you may need to reset or clear the React Native packager's cache. To do so, you can pass the --reset-cache flag to the start script:

npm start -- --reset-cache
# or
yarn start -- --reset-cache

If you're unable to load your app on your phone due to a network timeout or a refused connection, a good first step is to verify that your phone and computer are on the same network and that they can reach each other. Create React Native App needs access to ports 19000 and 19001 so ensure that your network and firewall settings allow access from your device to your computer on both of these ports.

Try opening a web browser on your phone and opening the URL that the packager script prints, replacing exp:// with http://. So, for example, if underneath the QR code in your terminal you see:

exp://192.168.0.1:19000

Try opening Safari or Chrome on your phone and loading

http://192.168.0.1:19000

and

http://192.168.0.1:19001

If this works, but you're still unable to load your app by scanning the QR code, please open an issue on the Create React Native App repository with details about these steps and any other error messages you may have received.

If you're not able to load the http URL in your phone's web browser, try using the tethering/mobile hotspot feature on your phone (beware of data usage, though), connecting your computer to that WiFi network, and restarting the packager.

#References https://reactnavigation.org/docs Johann Schuster => how to build react native application https://facebook.github.io https://medium.com/@yoniweisbrod/interacting-with-apis-using-react-native-fetch-9733f28566bb https://medium.com/dailyjs/11-mistakes-ive-made-during-react-native-redux-app-development-8544e2be9a9 https://medium.com/@mosesesan/tutorial-react-native-redux-boilerplate-4899f5c4f431