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Mar 25, 2013 Pattern 1: 100% Firebase-powered apps. Many Firebase-powered apps consist of only client code, and don’t need anything other than Firebase and a way to distribute your app to work. They’re ideal if: You’re developing a brand new application, or rewriting an existing one from scratch. The Road to React with Firebase is your personal journey to master advanced React for business web applications in JavaScript whereas Firebase is used to replace everything that you would want from a backend application. Firebase enables you to connect your React application to a database, to authenticated users with your application with a. 4,667 Adding Firebase to your iOS App in the first step before start using Firebase products such as Authentication, Database, Cloud Functions etc. In this Firebase iOS tutorial, I will be walking you through how to connect Firebase to your iOS app using Swift Language with STEP by STEP instructions. Create an Xcode Project Create. Jul 15, 2016 Android Firebase Tutorial. So without wasting time lets start our Android Firebase Tutorial. We will start from creating a new project. From this tutorial you will see screenshots of OS X. ? Thanks to you guys, I managed to get MacbookAir with your support. I have an iOS App that uses the Firebase Realtime Database that I would like to create for Mac OS X. Does Firebase still support Mac OS X in the latest update as the Firebase console only shows the option to Add Firebase to an iOS, Android or web app. Firebase is a complex platform for web and mobile development. The initial success grabbed everybody’s attention and led to the acquirement by Google in 2014. The growing popularity of this tool makes Firebase one of the leaders in the industry.
Push notifications deliver information from a backend system to a mobile application. Software for musicians macos. Apple, Google, and other platforms each have their own Push Notification Service (PNS). Azure Notification Hubs enable you to centralize notifications across platforms so your backend application can communicate with a single hub, which takes care of distributing the notifications to each platform-specific PNS.
![Firebase for macos application download Firebase for macos application download](/uploads/1/2/6/5/126524027/207485655.png)
Integrate Azure Notification Hubs into mobile apps by following these steps:
- Set up Push Notification Services and Azure Notification Hub.
- Understand how to use templates and tags.
- Create a cross-platform Xamarin.Forms application.
- Configure the native Android project for push notifications.
- Configure the native iOS project for push notifications.
- Test notifications using the Azure Notification Hub.
- Create a backend application to send notifications.
Note
If you don't have an Azure subscription, create a free account before you begin.
Set up Push Notification Services and Azure Notification Hub
Integrating Azure Notification Hubs with a Xamarin.Forms mobile app is similar to integrating Azure Notification Hubs with a Xamarin native application. Set up a Firebase Cloud Messaging (FCM) application by following the Firebase console steps in Push notifications to Xamarin.Android using Azure Notification Hubs. Complete the following steps using the Xamarin.Android tutorial:
- Define an Android package name such as
com.xamarin.notifysample
, which is used in the sample. - Download
google-services.json
from the Firebase console. You'll add this file to your Android application in a future step. - Create an Azure Notification Hub instance and give it a name. This article and sample use
xdocsnotificationhub
as the hub name. - Copy the FCM Server Key and save it as the API Key under Google (GCM/FCM) in your Azure Notification Hub.
The following screenshot shows the Google platform configuration in the Azure Notification Hub:
You will need a macOS machine to complete the setup for iOS devices. Set up Apple Push Notification Services (APNS) by following the initial steps in Push notifications to Xamarin.iOS using Azure Notification Hubs. Complete the following steps using the Xamarin.iOS tutorial:
- Define an iOS bundle identifier. This article and sample use
com.xamarin.notifysample
as the bundle identifier. - Create a Certificate Signing Request (CSR) file and use it to generate a push notification certificate.
- Upload the push notification certificate under Apple (APNS) in your Azure Notification Hub.
The following screenshot shows the Apple platform configuration in the Azure Notification Hub:
![2017 2017](/uploads/1/2/6/5/126524027/557192175.png)
Register templates and tags with the Azure Notification Hub
Azure Notification Hub requires mobile applications to register with the hub, define templates and subscribe to tags. Registration links a platform-specific PNS handle to an identifier in the Azure Notification Hub. To learn more about registrations, see Registration Management.
Templates allow devices to specify parameterized message templates. Incoming messages can be customized per device, per tag. To learn more about templates, see Templates.
Tags can be used to subscribe to message categories such as news, sports, and weather. For simplicity, the sample application defines a default template with a single parameter called
messageParam
and a single tag called default
. In more complex systems, user-specific tags can be used to message a user across devices for personalized notifications. To learn more about tags, see Routing and tag expressions.To successfully receive messages, each native application must perform these steps:
- Obtain a PNS Handle or token from the platform PNS.
- Register the PNS Handle with Azure Notification Hub.
- Specify a template that contains the same parameters as outgoing messages.
- Subscribe to the tag targeted by outgoing messages.
These steps are described in further detail for each platform in the Configure the Android application for notifications and Configure iOS for notifications sections.
Xamarin.Forms application functionality
The sample Xamarin.Forms application displays a list of push notification messages. This is achieved with the
AddMessage
method, which adds the specified push notification message to the UI. This method also prevents duplicate messages from being added to the UI, and runs on the main thread so it can be called from any thread. The following code shows the AddMessage
method:The sample application contains a
AppConstants.cs
file, which defines properties used by the platform projects. This file needs to be customized with values from your Azure Notification Hub. The following code shows the AppConstants.cs
file:Customize the following values in
AppConstants
to connect the sample application to your Azure Notification Hub:NotificationHubName
: Use the name of the Azure Notification Hub you created in your Azure portal.ListenConnectionString
: This value is found in the Azure Notification Hub under Access Policies.
The following screenshot shows where these values are located in the Azure portal:
Configure the Android application for notifications
Complete the following steps to configure the Android application to receive and process notifications:
- Configure the Android Package name to match the package name in the Firebase console.
- Install the following NuGet packages to interact with Google Play, Firebase and Azure Notification Hubs:
Xamarin.GooglePlayServices.Base
Xamarin.Firebase.Messaging
Xamarin.Azure.NotificationHubs.Android
- Copy the
google-services.json
file that you downloaded during FCM setup to the project and set the Build Action toGoogleServicesJson
. - Configure
AndroidManifest.xml
to communicate with Firebase. - Override
FirebaseMessagingService
to handle messages. - Add incoming notifications to Xamarin.Forms UI.
Firebase For Macos Application Online
Note
The
GoogleServicesJson
build action is part of the Xamarin.GooglePlayServices.Base
NuGet package. Visual Studio 2019 sets the available Build Actions during startup. If you do not see GoogleServicesJson
as a Build Action, restart Visual Studio 2019 after installing the NuGet packages.Configure Android manifest
The
receiver
elements within the application
element allow the app to communicate with Firebase. The uses-permission
elements allow the app to handle messages and register with Azure Notification Hub. The complete AndroidManifest.xml
should look similar to the example below:Override FirebaseMessagingService
to handle messages
To register with Firebase and handle messages, subclass the
FirebaseMessagingService
class. The sample application defines a FirebaseService
class that subclasses the FirebaseMessagingService
. This class is tagged with an IntentFilter
attribute, which includes the com.google.firebase.MESSAGING_EVENT
filter. This filter allows Android to pass incoming messages to this class for handling:When the application is started, the Firebase SDK will automatically request a unique token identifier from the Firebase server. Upon successful request, the
OnNewToken
method will be called on the FirebaseService
class. The sample project overrides this method and registers the token with Azure Notification Hubs:The
SendRegistrationToServer
method registers the device with the Azure Notification Hub and subscribes to tags with a template. The sample application defines a single tag called default
and a template with a single parameter called messageParam
in the AppConstants.cs
file. For more information about registration, tags, and templates, see Register templates and tags with the Azure Notification Hub.When a message is received, the
OnMessageReceived
method will be called on the FirebaseService
class:Incoming messages are converted to a local notification with the
SendLocalNotification
method. This method creates a new Intent
and places the message content into the Intent
as a string
Extra
. When the user taps the local notification, whether the app is in the foreground or the background, the MainActivity
is launched and has access to the message contents through the Intent
object.The local notification and
Intent
example requires the user to take the action of tapping on the notification. This is desirable when the user should take action before the application state changes. However, you may want to access the message data without requiring a user action in some cases. The previous example also sends the message directly to the current MainPage
instance with the SendMessageToMainPage
method. In production, if you implement both methods for a single message type, the MainPage
object will get duplicate messages if the user taps the notification.Note
The Android application will only receive push notifications if it is running in either the background or foreground. To receive push notifications when the main
Activity
is not running, you must implement a service, which is beyond the scope of this sample. For more information, see Creating Android ServicesAdd incoming notifications to the Xamarin.Forms UI
The
MainActivity
class needs to obtain permission to handle notifications and manage incoming message data. The following code shows the complete MainActivity
implementation:The
Activity
attribute sets the application LaunchMode
to SingleTop
. This launch mode tells the Android OS to only allow a single instance of this activity. With this launch mode, incoming Intent
data is routed to the OnNewIntent
method, which extracts message data and sends it to the MainPage
instance through the AddMessage
method. If your application uses a different launch mode, it must handle Intent
data differently.The
OnCreate
method uses a helper method called IsPlayServiceAvailable
to ensure the device supports Google Play Service. Emulators or devices that do not support Google Play Service cannot receive push notifications from Firebase.Configure iOS for notifications
Firebase For Macos Application Download
The process for configuring the iOS application to receive notifications is:
- Configure the Bundle Identifier in the
Info.plist
file to match the value used in the provisioning profile. - Add the Enable Push Notifications option to the
Entitlements.plist
file. - Add the
Xamarin.Azure.NotificationHubs.iOS
NuGet package to your project. - Register for notifications with APNS.
- Register the application with Azure Notification Hub and subscribe to tags.
- Add APNS notifications to Xamarin.Forms UI.
Firebase Mac
The following screenshot shows the Enable Push Notifications option selected in the
Entitlements.plist
file within Visual Studio:Register for notifications with APNS
The
FinishedLaunching
method in the AppDelegate.cs
file must be overridden to register for remote notifications. Registration differs depending on the iOS version being used on the device. The iOS project in the sample application overrides the FinishedLaunching
method to call RegisterForRemoteNotifications
as shown in the following example:Register with Azure Notification Hub and subscribe to tags
When the device has successfully registered for remote notifications during the
FinishedLaunching
method, iOS will call the RegisteredForRemoteNotifications
method. This method should be overridden to perform the following actions:- Instantiate the
SBNotificationHub
. - Unregister any existing registrations.
- Register the device with your notification hub.
- Subscribe to specific tags with a template.
For more information about registration of the device, templates, and tags, see Register templates and tags with the Azure Notification Hub. The following code demonstrates registration of the device and templates:
Note
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Registering for remote notifications can fail in situations such as no network connection. You can choose to override the
FailedToRegisterForRemoveNotifications
method to handle registration failure.Add APNS notifications to Xamarin.Forms UI
When a device receives a remote notification, iOS calls the
ReceivedRemoteNotification
method. Incoming message JSON is converted into an NSDictionary
object, and the ProcessNotification
method extracts values from the dictionary and sends them to the Xamarin.Forms MainPage
instance. The ReceivedRemoteNotifications
method is overridden to call ProcessNotification
as shown in the following code:Firebase For Macos Application Free
Test notifications in the Azure portal
Azure Notification Hubs enable you to check that your application can receive test messages. The Test Send section in the notification hub allows you to choose the target platform and send a message. Setting the Send to Tag expression to
default
will send messages to applications that have registered a template for the default
tag. Clicking the Send button generates a report that includes the number of devices reached with the message. The following screenshot shows an Android notification test in the Azure portal:Testing tips
Firebase For Macos Applications
- When testing that an application can receive push notifications, you must use a physical device. Android and iOS virtual devices may not be configured correctly to receive push notifications.
- The sample Android application registers its token and templates once when the Firebase token is issued. During testing you may need to request a new token and re-register with the Azure Notification Hub. The best way to force this is to clean your project, delete the
bin
andobj
folders and uninstall the application from the device before rebuilding and deploying. - Many parts of the push notification flow are executed asynchronously. This may result in breakpoints not being hit or being hit in an unexpected order. Use device or debug logging to trace execution without interrupting application flow. Filter the Android device log using the
DebugTag
specified inConstants
. - When debugging is stopped in Visual Studio, the app is force closed. Any message receivers or other services launched as part of the debugging process will be closed and will not respond to message events.
Create a notification dispatcher
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Azure Notification Hubs enable your backend application to dispatch notifications to devices across platforms. The sample demonstrates notification dispatch with a console application. The application includes the
DispatcherConstants.cs
file, which defines the following properties:Download the file. Double-click the downloaded file to create a disk image on your desktop. Epson scan software for mac os catalina. Description:This file contains the Epson Easy Photo Print software v2.80.00.Epson Easy Photo Print allows you to easily layout and print digital images on various kinds of paper.Installation instructions:. Open the disk image.
You must configure the
DispatcherConstants.cs
file to match your Azure Notification Hub configuration. The value of the SubscriptionTags
property should match the values used in the client apps. The NotificationHubName
property is the name of your Azure Notification Hub instance. The FullAccessConnectionString
property is the access key found in your notification hub Access Policies. The following screenshot shows the location of the NotificationHubName
and FullAccessConnectionString
properties in the Azure portal:The console application loops through each
SubscriptionTags
value and sends notifications to subscribers using an instance of the NotificationHubClient
class. The following code shows the console application Program
class:When the sample console application is run, the spacebar can be pressed to send messages. Devices running the client applications should receive numbered notifications, provided they are properly configured.
Related links
- Push Notification Templates.
- Device Registration Management.
- Routing and Tag Expressions.
- Xamarin.Android Azure Notification Hubs Tutorial.
- Xamarin.iOS Azure Notification Hubs Tutorial.