Unable to reach external API when ran as APK

[wodin]

This might help:

Development build works great but Preview build won't make requests

Hi @alfx Are you by any chance using HTTP to talk to your API server instead of HTTPS? These days that sort of thing is denied by default unless you configure the app to allow clear text traffic. For Android you can do it using Build Properties. There’s an “usesCleartextTraffic” option: See also the example of how to use Build Properties in app.json further up the page. In iOS this sort of thing needs to be configured in Info.plist. In a managed Expo app you don’t have direct access to Inf…

@skoopa

running the app in the web client and noticed CORS errors when connecting to my API

Because a native app is not a web browser, CORS is not really a problem there as far as I know, so this might be a red herring. I think it’s more likely an issue with lack of SSL on the server.