使用 Play 遊戲電腦版 SDK 強化遊戲

// Initialize the SDK as part of the startup sequence of your
// application.
auto promise = std::make_shared<std::promise<InitializeResult>>();
GooglePlayInitializeParams params;
// Replace with your game's package name.
params.package_name = "com.example.game";
GooglePlayInitialize(
  [promise] (InitializeResult result) {
    promise->set_value(std::move(result));
  }, params);

auto initialize_result = promise->get_future().get();
if (initialize_result.ok()) {
  // The SDK succeeded with initialization. Continue with the startup
  // sequence of the game.
  // ...

  // Retrieve the operating environment and device form factor.
  auto env = initialize_result.value().environment;
  auto form_factor = initialize_result.value().form_factor;
  // ...
} else if (
    initialize_result.code() ==
    InitializationError::kActionRequiredShutdownClientProcess) {
  // The SDK failed to initialize and has requested that your game
  // process exit as soon as possible.
  exit(1);
} else {
  // The SDK failed to initialize for an alternative reason. It is
  // still generally recommended that you exit the game process as
  // soon as possible, because it won't be possible to access any
  // APIs in the SDK. Critical operations such as verifying the user
  // owns a valid license to your game won't be possible.
  // ...
}

// SDK Clients
private BillingClient _billingClient;
private IntegrityClient _integrityClient;

// Stored product information
private string _offerToken;

private async void InitializeSDK()
{
    // The factory provides the necessary handler for initialization.
    var initializationHandler =
        PlayPcSdkFactory.InitializationHandler;
    var initializeParams = new GooglePlayInitializeParams {
        // Replace with your game's package name.
        PackageName = "com.example.game"
    };
    var result = await GooglePlayInitialization.InitializeAsync(
        initializationHandler, initializeParams);

    if (result.IsOk)
    {
        // Use the factory to get Unity-compatible instances of the
        // clients
        _billingClient = PlayPcSdkFactory.CreateBillingClient();
        _integrityClient = PlayPcSdkFactory.CreateIntegrityClient();

        // Retrieve the operating environment and device form factor.
        var env = result.Value.Environment;
        var form_factor = result.Value.FormFactor;

        // SDK is ready for use
    }
    else
    {
        // Handle specific, actionable errors
        if (result.Code ==
            InitializationError.ActionRequiredShutdownClientProcess)
        {
            Log("This game must be launched through the Google Play Games client. Exit all game processes immediately, GPG will relaunch the game safely.");
            Application.Quit();
        }
    }
}