How do I set up Firebase Cloud Messaging for Pushwoosh in MvvmCross

Step 1: Set Up Firebase Cloud Messaging

1. Create a Firebase Project:
- Go to the Firebase Console and create a new project.
- Follow the wizard to set up your project.

2. Enable Firebase Cloud Messaging:
- Navigate to the Firebase Console and select your project.
- Go to Project settings > Cloud Messaging.
- Copy the Sender ID and Server key (API key) for later use.

3. Add Firebase to Your Android Project:
- Open your Android project in Android Studio.
- Go to Tools > Firebase > Cloud Messaging and follow the setup wizard.
- This will add the necessary Firebase dependencies to your `build.gradle` files.

Step 2: Integrate Pushwoosh SDK

1. Add Pushwoosh SDK Dependency:
- In your `build.gradle` file, add the Pushwoosh SDK dependency. Replace `+` with the current version of the Pushwoosh Android SDK.

2. Add Pushwoosh Metadata to AndroidManifest.xml:
- Open your `AndroidManifest.xml` file and add the following metadata inside the `` tag:

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3. Initialize Pushwoosh:
- Add initialization code to your app's startup logic to register for push notifications.

Step 3: Configure Pushwoosh with Firebase

1. Configure Android Platform in Pushwoosh:
- Go to your Pushwoosh project and navigate to Configure Platforms.
- Click Configure for Android.
- Upload the Firebase private key JSON file (generated from Firebase project settings).
- Enter your Firebase credentials (Sender ID and API key).

2. Set Up FirebaseMessagingService:
- In your `AndroidManifest.xml`, add a service that extends `FirebaseMessagingService` to handle incoming messages:

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Step 4: Handle Notifications with MvvmCross

1. Handle Notifications When App is Running:
- In your `MyFirebaseMessagingService`, override `onMessageReceived` to handle notifications when the app is in the foreground.
- Use MvvmCross navigation to handle the notification data.

2. Handle Notifications When App is Not Running:
- When the app is not running, clicking a notification will launch the app.
- Use a similar approach as described in the Stack Overflow question[6] to handle this scenario:
- Save notification data to app preferences when the app starts from a notification.
- Check for saved notification data in your main activity and navigate accordingly.

Step 5: Test Your Setup

1. Build and Run Your App:
- Build and run your app on a device or emulator.
- Ensure the app registers successfully with Pushwoosh and FCM.

2. Send a Test Notification:
- Use the Pushwoosh Control Panel or Firebase Console to send a test notification.
- Verify that the notification is received and handled correctly by your app.

By following these steps, you should be able to integrate Firebase Cloud Messaging with Pushwoosh in your MvvmCross Android application.