Part 2

Testing the sample

This sample project has a basic page for login and a navigation system. We can now view this on our mobile device, in a browser, or in an emulator. In the last section we ran expo start and should now see a screen like the following:

On the left hand side we see a list of our devices. Towards the middle of the sidebar, we see buttons that let us run the app on our Android device/emulator, iOS device/emulator, and in the browser.

One of the quickest ways to test your app on a mobile device is by using the QR code at the bottom. Start by downloading the Expo App onto your phone.

Expo App for Android https://play.google.com/store/apps/details?id=host.exp.exponent

Expo App for iOS https://apps.apple.com/us/app/expo-client/id982107779

In the app

Once you have the app open, click on the button Scan QR Code on Android or the + in the navbar on iOS. Scan the QR code, and VIOLA! Your app is now loading on your phone! When we open the app we should see the following:

Continue to Part 3 ->