Run the script after installing all the dependencies and making necessary changes to build your custom moodle app. The script installs ionic-cordova platforms (iOS and Android) and uses them to release builds.
The following commands shows examples:
# builds android application (requires Android Studio)
$ ./moodleapp_v392.sh "appname" android
# builds ios application (requires XCode/MacOS)
$ ./moodleapp_v392.sh "appname" ios
# builds both android and ios application (requires XCode/MacOS)
$ ./moodleapp_v392.sh "appname"After the builds are released you may follow necessary steps in order to generate .apk or upload your iOS build to Apple App developer account using XCode as shown here: https://ionicframework.com/docs/v1/guide/publishing.html