Installing Firebase

For Firebase, perform the steps:

1. Visit the Firebase console https://console.firebase.google.com:

2. Choose Add project in the console and fill the necessary information about the project. After the project is added, you will see the following screen:

3. The get started page helps you set up the project for different platforms. Let's choose the second option, which Add Firebase to your Android app:

4. Add the project package name and, for further security purposes, you can add the SHA-1 fingerprint, but that is optional. Now register the app:

5. Download the config file. The google-services.json file will have all the important configuration for the app and it in the app directory of your project structure.

Now, let's fire up Android Studio and create the project:

Make sure the package name is the as the one mentioned in the Firebase console.

Let's choose the targeted platforms that are both phone and Wear:

Now, add Empty Activity to the activity chooser:

Select Blank Wear Activity in...