Downloading and installing Facebook's SDK

We couldn't have a chapter on social networking without mentioning Facebook. Facebook has its own SDK that can be used with Unity.

1. Open up your web browser and visit: https://developers.facebook.com/docs/unity/:

2. Click on the Download the SDK button and wait for it to finish downloading. Once it is downloaded, unzip it and then open up the facebook-unity-sdk-7.10.1 folder. Then, open up the FacebookSDK folder and you'll see a single file, facebook-unity-sdk-7.10.1.unitypackage.

3. Double-click on the unitypackage file, and you should have a window pop up:

If this does not work, you can also go to Assets | Import Package | Custom Package and then find the folder that you unzipped the file to and open it that way.

4. Click on the Import button and wait for it to finish loading.

Now, in order to use the Facebook API, we will first need to have a Facebook App ID, so let's do that next.

5. Go back to your web browser and go to https://developers.facebook.com/:

6. From the...