A Xamarin.Forms Client application to receive notifications from the Scorpius GE
This a example of an App that implements the Firebase Cloud Messaging (FCM). Which can be used with the ScorpiusGE to receive notification inbound from the FIWARE ecosystem (i.e., ORION subscriptions)
However this can also be used with any other Firebase Server, or with the Firebase Console.
To run the application use JetBrains Rider or VS 2022.
Xamarin.Forms is a cross-platform framework that allows the creation of mobile applications for both Android and iOS. However, in this example only the Android Application is implemented. It's fairly easy to implement the rest of the application for iOS, however to test on iOS you need a real device (FCM doesn't work with the simulator).
As such you should run only the Android configuration.
Note: that you should replace the google-services.json file in order for the app to work.
The google-services.json should be generated for the same Firebase project that you use in the Scorpius GE.
Note: you may also need to change the package name in the AndroidManifest to match the package name in your google-services.json.
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The app allows the user to register to any topic and receive notification, that will pop up as a system app notification.
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A list of registered topics are showed in the application screen.
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The user can also unregister all of the topics.
Note: The list of topics is only keeped in runtime, you should unregister everything before leaving the application, if you don't want to receive more notifications.
MIT License
Copyright (c) 2022 J. Fernandes
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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