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Source code for the presentation

Installation steps

Set up Firebase Cloud Messaging

You must acquire the necessary credentials to use Google's FCM servers. See: Firebase Console New Project

Once the project in Firebase created you will be able to retrieve:

  • A google-services.json file
  • A Firebase Server Key

Deploy resources to Azure via ARM template

In the solution, you will find an Azure Resource Group deployment project: WebJobHealthNotifier.AzureResourceGroup

Update the parameter named notificationHubGcmApiKey with your Firebase Server Key and deploy.

Once the deployment successful your resource group will contain the following resources:

  • App Service plan
  • App Service
  • Notification Hub Namespace
  • Notification Hub
  • Storage account

Publish the API

In the solution, you will find the API project named: WebJobHealthNotifier.Api

From Visual Studio, publish it to the App Service previously created. It will also publish the WebJob WebJobHealthNotifier.WebJob at the same time.

Once published successfuly you'll see a message like the following in the Output:
Web App was published successfully

Android Application

1. Set API Uri

In ApplicationService.cs set ApiUri property using the Url of the Web App previously published.

2. Update google-services.json file

Update the google-services.json file using the one retrieved from your Firebase Console New Project.

3. Deploy

Deploy to an Emulator or a device.

Storage account

In the storage, create an Azure Queue named queue.

How to test

1. Android Application

Launch the application and select Log Token to register the device in Notification Hub.

Then select Feeds Subscription and subscribe to JobsFailing and or JobsSuccessful feeds.

2. Add messages to the storage queue

Via the Cloud Explorer in Visual Studio or your favorite explorer add messages to the queue:

  • Message with text: will simulate a successful job and send a notifcation to Notification Hub
  • Message with no text: will simulate a failing job and send a notifcation to Notification Hub

Useful Links

Azure Notification Hubs

Azure WebJobs SDK Extensions

Xamarin Android