First working version on iOS

exit

README.md

@@ -196,6 +196,7 @@ https://developer.android.com/studio/publish#unknown-sources
 
 
 ## Building a production version (signing etc).
+### Android
 [Signing the app](https://cordova.apache.org/docs/en/latest/guide/platforms/android/#signing-an-app)
 
 For NIBIO, a signing key was originally created sometime in 2021, but it has been lost. After contacting Google Play Developer Support, we received instructions for how to generate a new key (example code):
@@ -211,4 +212,9 @@ We then extracted the PEM to send to Google (example code)
 ``` bash
 keytool -export -rfc -alias upload -file upload_certificate.pem -keystore keystore.jks
 
-```
+```
\ No newline at end of file
+### iOS
+On iOS, do the regular `npm run build`, and then `cordova build ios`. You should then be ready to run the app in a simulator or a real device in XCode. Remember that in order to run it on a real device, you must sign it (see XCode screenshot below) with either your personal team account (for debug only) or a company account for distributing to App Store.
+
+![Signing an app in XCode](./document/images/ios_signing.png "Signing an app in XCode")
+