The @unionavatars/iframe project only works with web technologies (at least at the time of the writing). So for this to work we are using a web view that embeds a web applications that includes the iframe which the web application will interact.
Host the web application and include it in the webview source to try it.
run yarn start:web this will print a screen like this one
Replace the variable webAppUri inside the file App.tsx and set the "Network" ip address, being http://192.168.3.6:5173 the one in the example
And now start the react native expo application with yarn start:expo
Use the QR Code to start developing the React Native application