Unity Services provide a suite of tools and services that can help you manage, optimize, and monetize your game. This module will cover the essential Unity Services, how to integrate them into your project, and practical examples to get you started.

Key Concepts

  1. Unity Analytics: Track player behavior and game performance.
  2. Unity Ads: Monetize your game with advertisements.
  3. Unity Cloud Build: Automate the build process for multiple platforms.
  4. Unity Multiplayer: Implement multiplayer features in your game.
  5. Unity IAP (In-App Purchases): Integrate in-app purchases to monetize your game.
  6. Unity Collaborate: Collaborate with your team in real-time.

Unity Analytics

Setting Up Unity Analytics

  1. Enable Analytics:

    • Go to Window > General > Services.
    • Select your project and click on Analytics.
    • Click Enable to activate Unity Analytics for your project.
  2. Basic Analytics Code Example:

    using UnityEngine;
    using UnityEngine.Analytics;
    using System.Collections.Generic;
    
    public class AnalyticsExample : MonoBehaviour
    {
        void Start()
        {
            // Custom event example
            Analytics.CustomEvent("gameStart", new Dictionary<string, object>
            {
                { "level", 1 },
                { "difficulty", "normal" }
            });
        }
    }
    

Practical Exercise

Task: Create a script that tracks when a player completes a level.

Solution:

using UnityEngine;
using UnityEngine.Analytics;
using System.Collections.Generic;

public class LevelCompleteAnalytics : MonoBehaviour
{
    public void OnLevelComplete(int levelNumber)
    {
        Analytics.CustomEvent("levelComplete", new Dictionary<string, object>
        {
            { "level", levelNumber },
            { "time", Time.timeSinceLevelLoad }
        });
    }
}

Unity Ads

Setting Up Unity Ads

  1. Enable Ads:

    • Go to Window > General > Services.
    • Select your project and click on Ads.
    • Click Enable to activate Unity Ads for your project.
  2. Basic Ads Code Example:

    using UnityEngine;
    using UnityEngine.Advertisements;
    
    public class AdsExample : MonoBehaviour, IUnityAdsListener
    {
        private string gameId = "1234567"; // Replace with your actual game ID
        private string placementId = "rewardedVideo";
    
        void Start()
        {
            Advertisement.AddListener(this);
            Advertisement.Initialize(gameId, true);
        }
    
        public void ShowAd()
        {
            if (Advertisement.IsReady(placementId))
            {
                Advertisement.Show(placementId);
            }
        }
    
        public void OnUnityAdsReady(string placementId) { }
        public void OnUnityAdsDidError(string message) { }
        public void OnUnityAdsDidStart(string placementId) { }
        public void OnUnityAdsDidFinish(string placementId, ShowResult showResult) { }
    }
    

Practical Exercise

Task: Implement a button that shows a rewarded video ad when clicked.

Solution:

using UnityEngine;
using UnityEngine.Advertisements;
using UnityEngine.UI;

public class RewardedAdButton : MonoBehaviour, IUnityAdsListener
{
    public Button adButton;
    private string gameId = "1234567"; // Replace with your actual game ID
    private string placementId = "rewardedVideo";

    void Start()
    {
        adButton.interactable = Advertisement.IsReady(placementId);
        Advertisement.AddListener(this);
        Advertisement.Initialize(gameId, true);
    }

    public void ShowAd()
    {
        if (Advertisement.IsReady(placementId))
        {
            Advertisement.Show(placementId);
        }
    }

    public void OnUnityAdsReady(string placementId)
    {
        if (placementId == this.placementId)
        {
            adButton.interactable = true;
        }
    }

    public void OnUnityAdsDidError(string message) { }
    public void OnUnityAdsDidStart(string placementId) { }
    public void OnUnityAdsDidFinish(string placementId, ShowResult showResult) { }
}

Unity Cloud Build

Setting Up Unity Cloud Build

  1. Enable Cloud Build:

    • Go to Window > General > Services.
    • Select your project and click on Cloud Build.
    • Click Enable to activate Unity Cloud Build for your project.
  2. Basic Cloud Build Setup:

    • Follow the on-screen instructions to link your project to a source control repository (e.g., GitHub, Bitbucket).
    • Configure build targets for different platforms (e.g., iOS, Android).

Practical Exercise

Task: Set up a basic Cloud Build configuration for your project.

Solution:

  • Follow the steps in the Unity Cloud Build interface to link your repository and configure build targets.
  • Ensure that your project settings (e.g., player settings, build settings) are correctly configured for each platform.

Unity Multiplayer

Setting Up Unity Multiplayer

  1. Enable Multiplayer:

    • Go to Window > General > Services.
    • Select your project and click on Multiplayer.
    • Click Enable to activate Unity Multiplayer for your project.
  2. Basic Multiplayer Code Example:

    using UnityEngine;
    using UnityEngine.Networking;
    
    public class MultiplayerExample : NetworkBehaviour
    {
        void Start()
        {
            if (isLocalPlayer)
            {
                // Initialize player-specific settings
            }
        }
    
        [Command]
        void CmdSendMessage(string message)
        {
            RpcReceiveMessage(message);
        }
    
        [ClientRpc]
        void RpcReceiveMessage(string message)
        {
            Debug.Log("Received message: " + message);
        }
    }
    

Practical Exercise

Task: Create a simple multiplayer chat system.

Solution:

using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;

public class MultiplayerChat : NetworkBehaviour
{
    public InputField chatInput;
    public Text chatDisplay;

    void Start()
    {
        if (isLocalPlayer)
        {
            chatInput.gameObject.SetActive(true);
        }
    }

    public void OnSendMessage()
    {
        if (isLocalPlayer)
        {
            string message = chatInput.text;
            CmdSendMessage(message);
            chatInput.text = "";
        }
    }

    [Command]
    void CmdSendMessage(string message)
    {
        RpcReceiveMessage(message);
    }

    [ClientRpc]
    void RpcReceiveMessage(string message)
    {
        chatDisplay.text += message + "\n";
    }
}

Unity IAP (In-App Purchases)

Setting Up Unity IAP

  1. Enable IAP:

    • Go to Window > General > Services.
    • Select your project and click on In-App Purchasing.
    • Click Enable to activate Unity IAP for your project.
  2. Basic IAP Code Example:

    using UnityEngine;
    using UnityEngine.Purchasing;
    
    public class IAPExample : MonoBehaviour, IStoreListener
    {
        private IStoreController storeController;
        private IExtensionProvider extensionProvider;
    
        void Start()
        {
            var builder = ConfigurationBuilder.Instance(StandardPurchasingModule.Instance());
            builder.AddProduct("product_id", ProductType.Consumable);
            UnityPurchasing.Initialize(this, builder);
        }
    
        public void OnInitialized(IStoreController controller, IExtensionProvider extensions)
        {
            storeController = controller;
            extensionProvider = extensions;
        }
    
        public void OnInitializeFailed(InitializationFailureReason error) { }
    
        public void OnPurchaseFailed(Product product, PurchaseFailureReason failureReason) { }
    
        public PurchaseProcessingResult ProcessPurchase(PurchaseEventArgs args)
        {
            if (args.purchasedProduct.definition.id == "product_id")
            {
                Debug.Log("Purchase successful!");
            }
            return PurchaseProcessingResult.Complete;
        }
    
        public void BuyProduct()
        {
            if (storeController != null)
            {
                storeController.InitiatePurchase("product_id");
            }
        }
    }
    

Practical Exercise

Task: Implement a button that initiates an in-app purchase when clicked.

Solution:

using UnityEngine;
using UnityEngine.Purchasing;
using UnityEngine.UI;

public class IAPButton : MonoBehaviour, IStoreListener
{
    public Button purchaseButton;
    private IStoreController storeController;
    private IExtensionProvider extensionProvider;

    void Start()
    {
        var builder = ConfigurationBuilder.Instance(StandardPurchasingModule.Instance());
        builder.AddProduct("product_id", ProductType.Consumable);
        UnityPurchasing.Initialize(this, builder);

        purchaseButton.onClick.AddListener(BuyProduct);
    }

    public void OnInitialized(IStoreController controller, IExtensionProvider extensions)
    {
        storeController = controller;
        extensionProvider = extensions;
    }

    public void OnInitializeFailed(InitializationFailureReason error) { }

    public void OnPurchaseFailed(Product product, PurchaseFailureReason failureReason) { }

    public PurchaseProcessingResult ProcessPurchase(PurchaseEventArgs args)
    {
        if (args.purchasedProduct.definition.id == "product_id")
        {
            Debug.Log("Purchase successful!");
        }
        return PurchaseProcessingResult.Complete;
    }

    public void BuyProduct()
    {
        if (storeController != null)
        {
            storeController.InitiatePurchase("product_id");
        }
    }
}

Unity Collaborate

Setting Up Unity Collaborate

  1. Enable Collaborate:

    • Go to Window > General > Services.
    • Select your project and click on Collaborate.
    • Click Enable to activate Unity Collaborate for your project.
  2. Basic Collaborate Usage:

    • Use the Collaborate panel to commit changes, view history, and manage project versions.
    • Invite team members to collaborate on the project.

Practical Exercise

Task: Commit a change to the project and invite a team member.

Solution:

  • Make a change to your project (e.g., add a new GameObject).
  • Open the Collaborate panel and commit the change with a descriptive message.
  • Use the Collaborate panel to invite a team member by entering their email address.

Conclusion

In this module, you learned how to use various Unity Services to enhance your game development process. You now know how to:

  • Track player behavior and game performance with Unity Analytics.
  • Monetize your game with Unity Ads.
  • Automate the build process with Unity Cloud Build.
  • Implement multiplayer features with Unity Multiplayer.
  • Integrate in-app purchases with Unity IAP.
  • Collaborate with your team using Unity Collaborate.

These services can significantly improve your workflow and the overall quality of your game. In the next module, we will explore the final steps to publish your game and take it to the next level.

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