Unreal

ViveportIAPurchaseDemo.h

#include "Components/ActorComponent.h"
#include "ViveportType.h"
#include "ViveportIAPurchaseType.h"

#include "ViveportIAPurchaseDemo.generated.h"

UCLASS(ClassGroup = (Viveport), meta = (BlueprintSpawnableComponent))
class VIVEPORTSDK_API UViveportIAPurchaseDemo : public UActorComponent
{
    GENERATED_BODY()

public:
    // Called when the game starts
    void BeginPlay() override;

    void EndPlay(const EEndPlayReason::Type EndPlayReason) override;

    /** The APP ID and Key for IAP testing*/
    FString VIVEPORT_ID = "app_test_id";
    FString API_KEY = "app_test_key";

private:
    /** Callback objects */
    class MyViveportApiStatus : public ViveportApiStatus
    {
    protected:
        UViveportIAPurchaseDemo* mDemo;
    public:
        void SetDemoPtr(UViveportIAPurchaseDemo* p) { mDemo = p; }
    };

    class MyViveportIAPurchaseListener : public IAPurchaseListener
    {
    protected:
        UViveportIAPurchaseDemo* mDemo;
    public:
        void SetDemoPtr(UViveportIAPurchaseDemo* p) { mDemo = p; }
    };

    class MyInitCallback : public MyViveportApiStatus
    {
    public:
        void OnSuccess(
        ) override;
        void OnFailure(
            int nErrorCode
        ) override;
    };

    MyInitCallback myInitCallback;

    class MyShutdownCallback : public MyViveportApiStatus
    {
    public:
        void OnSuccess(
        ) override;
        void OnFailure(
            int nErrorCode
        ) override;
    };

    MyShutdownCallback myShutdownCallback;

    class MyIsReadyCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnSuccess(
            const FString& pchCurrencyName
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyIsReadyCallback myIsReadyCallback;

    class MyGetBalanceCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnBalanceSuccess(
            const FString& pchBalance
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyGetBalanceCallback myGetBalanceCallback;

    class MyRequestCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnRequestSuccess(
            const FString& pchPurchaseId
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyRequestCallback myRequestCallback;

    class MyPurchaseCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnPurchaseSuccess(
            const FString& pchPurchaseId
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyPurchaseCallback myPurchaseCallback;

    class MyQueryCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnQuerySuccess(
            const FQueryResponse& response
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyQueryCallback myQueryCallback;

public:
    ViveportApiStatus* GetInitCallback() { return &myInitCallback; }
    ViveportApiStatus* GetShutdownCallback() { return &myShutdownCallback; }
    IAPurchaseListener* GetIsReadyCallback() { return &myIsReadyCallback; }
    IAPurchaseListener* GetBalanceCallback() { return &myGetBalanceCallback; }
    IAPurchaseListener* GetRequestCallback() { return &myRequestCallback; }
    IAPurchaseListener* GetPurchaseCallback() { return &myPurchaseCallback; }
    IAPurchaseListener* GetQueryCallback() { return &myQueryCallback; }
};

ViveportIAPurchaseDemo.cpp

#include "ViveportSDKPrivatePCH.h"
#include "ViveportIAPurchaseDemo.h"
#include "ViveportApi.h"
#include "ViveportIAPurchase.h"

void UViveportIAPurchaseDemo::BeginPlay()
{
    Super::BeginPlay();

    myInitCallback.SetDemoPtr(this);
    myShutdownCallback.SetDemoPtr(this);
    myIsReadyCallback.SetDemoPtr(this);
    myGetBalanceCallback.SetDemoPtr(this);
    myRequestCallback.SetDemoPtr(this);
    myPurchaseCallback.SetDemoPtr(this);
    myQueryCallback.SetDemoPtr(this);

    // Call ViveportApi::Init()
    UViveportApi::Init(&myInitCallback, VIVEPORT_ID);
}

void UViveportIAPurchaseDemo::EndPlay(const EEndPlayReason::Type EndPlayReason)
{
    Super::EndPlay(EndPlayReason);

    // Call ViveportApi::Shutdown()
    UViveportApi::Shutdown(&myShutdownCallback);
}

/***************************************************************
*                    MyInitCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyInitCallback::OnSuccess()
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyInitCallback] Init success."));
    FString fstring("Init success.");
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    UViveportIAPurchase::IsReady(mDemo->GetIsReadyCallback(), mDemo->API_KEY);
}

void UViveportIAPurchaseDemo::MyInitCallback::OnFailure(int nErrorCode)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyInitCallback] Init failure.
           Error = %d"), nErrorCode);
    FString fstring = FString::Printf(TEXT("Init failure. Error = %d"), nErrorCode);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyShutdownCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyShutdownCallback::OnSuccess()
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyShutdownCallback] Shutdown success."));
    FString fstring("Shutdown success.");
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

void UViveportIAPurchaseDemo::MyShutdownCallback::OnFailure(int nErrorCode)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPurchaseDemo][MyShutdownCallback] Shutdown
           failure. Error = %d"), nErrorCode);
    FString fstring = FString::Printf(TEXT("Shutdown failure. error=%d"), nErrorCode);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyIsReadyCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyIsReadyCallback::OnSuccess(const FString& pchCurrencyName)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyIsReadyCallback] IsReady success.
           Currency name = %s"), *pchCurrencyName);
    FString fstring = FString::Printf(TEXT("Is ready success, currency name = %s"), *pchCurrencyName);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    // Get balance
    UViveportIAPurchase::GetBalance(mDemo->GetBalanceCallback());
}

void UViveportIAPurchaseDemo::MyIsReadyCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPurchaseDemo][MyIsReadyCallback] IsReady failure.
           Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("IsReady failure. Code = %d, message = %s"), nCode,
                                      *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyGetBalanceCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyGetBalanceCallback::OnBalanceSuccess(const FString& pchBalance)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyGetBalanceCallback] GetBalance
           success. Balance = %s"), *pchBalance);
    FString fstring = FString::Printf(TEXT("GetBalance success. Balance = %s"), *pchBalance);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    int32 balance = FCString::Atoi(*pchBalance);
    if (balance > 0)
    {
        // You can choose one of the below Request APIs you need.
        // 1. Request purchase (if you don't need to keep the item name by Query API)
        UViveportIAPurchase::Request(mDemo->GetRequestCallback(), "1");

        // 2. Request purchase (if you need to keep the item name by Query API)
        // UViveportIAPurchase::Request(mDemo->GetRequestCallback(), "1", "Knife");
    }
}

void UViveportIAPurchaseDemo::MyGetBalanceCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPurchaseDemo][MyGetBalanceCallback] GetBalance
           failure. Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("GetBalance failure. code = %d, message = %s"), nCode,
                                           *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyRequestCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyRequestCallback::OnRequestSuccess(const FString& pchPurchaseId)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyRequestCallback] Request success.
           Purchase id = %s"), *pchPurchaseId);
    FString fstring = FString::Printf(TEXT("Request success. Purchase id = %s"), *pchPurchaseId);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    // Query purchase
    UViveportIAPurchase::Purchase(mDemo->GetPurchaseCallback(), pchPurchaseId);
    //UViveportIAPurchase::Query(mDemo->GetQueryCallback(), pchPurchaseId);
}

void UViveportIAPurchaseDemo::MyRequestCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPurchaseDemo][MyRequestCallback] Request failure.
           Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("Request failure. code = %d, message = %s"), nCode,
                                           *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyPurchaseCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyPurchaseCallback::OnPurchaseSuccess(const FString& pchPurchaseId)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyPurchaseCallback] Purchase success.
           Purchase id = %s"), *pchPurchaseId);
    FString fstring = FString::Printf(TEXT("Purchase success. Purchase id = %s"), *pchPurchaseId);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    // Query purchase
    // You can choose one of the below Query APIs you need.
    // 1. Query (if you only need to query specific purchase id and know the purchase status)
    UViveportIAPurchase::Query(mDemo->GetQueryCallback(), pchPurchaseId);

    // 2. Query (if you only need to query specific purchase id and know the purchase status)
    //    And you can refer the detailed sample in ViveportIAPQueryPurchaseListDemo.h and
    //    ViveportIAPQueryPurchaseListDemo.cpp.
    // UViveportIAPurchase::Query(mDemo->GetQueryCallback());
}

void UViveportIAPurchaseDemo::MyPurchaseCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPurchaseDemo][MyPurchaseCallback] Purchase failure.
           Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("Purchase failure. Code = %d, message = %s"), nCode,
                                      *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyQueryCallback
***************************************************************/

void UViveportIAPurchaseDemo::MyQueryCallback::OnQuerySuccess(const FQueryResponse& response)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPurchaseDemo][MyQueryCallback] Query success.
           Purchase id = %s"), *(response.purchase_id));
    FString fstring = FString::Printf(TEXT("Query success. Purchase id = %s"),
                                      *(response.purchase_id));
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

void UViveportIAPurchaseDemo::MyQueryCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPurchaseDemo][MyQueryCallback] Query failure.
                                     Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("Query failure. Code = %d, message = %s"), nCode,
                                           *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

ViveportIAPSubscriptionDemo.h

#include "Components/ActorComponent.h"
#include "ViveportType.h"
#include "ViveportIAPurchaseType.h"

#include "ViveportIAPSubscriptionDemo.generated.h"

UCLASS(ClassGroup = (Viveport), meta = (BlueprintSpawnableComponent))
class VIVEPORTSDK_API UViveportIAPSubscriptionDemo : public UActorComponent
{
    GENERATED_BODY()

public:
    // Called when the game starts
    void BeginPlay() override;

    void EndPlay(const EEndPlayReason::Type EndPlayReason) override;

    /** The VIVEPORT_ID and API_KEY for IAP testing*/
    FString VIVEPORT_ID = "app_test_id";
    FString API_KEY = "app_test_key";

    /** The Plan ID of Subscription*/
    FString PLAN_ID = "PlanID";

private:
    /** Callback objects */
    class MyViveportApiStatus : public ViveportApiStatus
    {
    protected:
        UViveportIAPSubscriptionDemo* mDemo;
    public:
        void SetDemoPtr(UViveportIAPSubscriptionDemo* p) { mDemo = p; }
    };

    class MyViveportIAPurchaseListener : public IAPurchaseListener
    {
    protected:
        UViveportIAPSubscriptionDemo* mDemo;
    public:
        void SetDemoPtr(UViveportIAPSubscriptionDemo* p) { mDemo = p; }
    };

    class MyInitCallback : public MyViveportApiStatus
    {
    public:
        void OnSuccess(
        ) override;
        void OnFailure(
            int nErrorCode
        ) override;
    };

    MyInitCallback myInitCallback;

    class MyShutdownCallback : public MyViveportApiStatus
    {
    public:
        void OnSuccess(
        ) override;
        void OnFailure(
            int nErrorCode
        ) override;
    };

    MyShutdownCallback myShutdownCallback;

    class MyIsReadyCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnSuccess(
            const FString& pchCurrencyName
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyIsReadyCallback myIsReadyCallback;

    class MyGetBalanceCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnBalanceSuccess(
            const FString& pchBalance
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyGetBalanceCallback myGetBalanceCallback;

    class MyRequestSubscriptionPlanIDCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnRequestSubscriptionWithPlanIDSuccess(
            const FString& pchSubscriptionId
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyRequestSubscriptionPlanIDCallback myRequestSubscriptionPlanIDCallback;

    class MySubscribeCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnSubscribeSuccess(
            const FString& pchSubscriptionId
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MySubscribeCallback mySubscribeCallback;

    class MyQuerySubscriptionCallback : public MyViveportIAPurchaseListener
    {
    public:
        void OnQuerySubscriptionSuccess(
            const TArray& subscriptionlist
        ) override;
        void OnFailure(
            int nCode,
            const FString& pchMessage
        ) override;
    };

    MyQuerySubscriptionCallback myQuerySubscriptionCallback;

public:
    ViveportApiStatus* GetInitCallback() { return &myInitCallback; }
    ViveportApiStatus* GetShutdownCallback() { return &myShutdownCallback; }
    IAPurchaseListener* GetIsReadyCallback() { return &myIsReadyCallback; }
    IAPurchaseListener* GetBalanceCallback() { return &myGetBalanceCallback; }
    IAPurchaseListener* GetRequestSubscriptionPlanIDCallback()
    { return &myRequestSubscriptionPlanIDCallback; }
    IAPurchaseListener* GetSubscribeCallback() { return &mySubscribeCallback; }
    IAPurchaseListener* GetQuerySubscriptionCallback() { return &myQuerySubscriptionCallback; }
};

ViveportIAPSubscriptionDemo.cpp

#include "ViveportSDKPrivatePCH.h"
#include "ViveportIAPSubscriptionDemo.h"
#include "ViveportApi.h"
#include "ViveportIAPurchase.h"

void UViveportIAPSubscriptionDemo::BeginPlay()
{
    Super::BeginPlay();

    myInitCallback.SetDemoPtr(this);
    myShutdownCallback.SetDemoPtr(this);
    myIsReadyCallback.SetDemoPtr(this);
    myGetBalanceCallback.SetDemoPtr(this);
    myRequestSubscriptionPlanIDCallback.SetDemoPtr(this);
    mySubscribeCallback.SetDemoPtr(this);
    myQuerySubscriptionCallback.SetDemoPtr(this);

    // Call ViveportApi::Init()
    UViveportApi::Init(&myInitCallback, VIVEPORT_ID);
}

void UViveportIAPSubscriptionDemo::EndPlay(const EEndPlayReason::Type EndPlayReason)
{
    Super::EndPlay(EndPlayReason);

    // Call ViveportApi::Shutdown()
    UViveportApi::Shutdown(&myShutdownCallback);
}

/***************************************************************
*                    MyInitCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MyInitCallback::OnSuccess()
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyInitCallback] Init success."));
    FString fstring("Init success.");
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    UViveportIAPurchase::IsReady(mDemo->GetIsReadyCallback(), mDemo->API_KEY);
}

void UViveportIAPSubscriptionDemo::MyInitCallback::OnFailure(int nErrorCode)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyInitCallback] Init failure.
                                   Error = %d"), nErrorCode);
    FString fstring = FString::Printf(TEXT("Init failure. Error = %d"), nErrorCode);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyShutdownCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MyShutdownCallback::OnSuccess()
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyShutdownCallback]
                                   Shutdown success."));
    FString fstring("Shutdown success.");
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

void UViveportIAPSubscriptionDemo::MyShutdownCallback::OnFailure(int nErrorCode)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPSubscriptionDemo][MyShutdownCallback]
                                     Shutdown failure. Error = %d"), nErrorCode);
    FString fstring = FString::Printf(TEXT("Shutdown failure. error=%d"), nErrorCode);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyIsReadyCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MyIsReadyCallback::OnSuccess(const FString& pchCurrencyName)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyIsReadyCallback] IsReady
                                    success. Currency name = %s"), *pchCurrencyName);
    FString fstring = FString::Printf(TEXT("Is ready success, currency name = %s"), *pchCurrencyName);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    // Get balance
    UViveportIAPurchase::GetBalance(mDemo->GetBalanceCallback());
}

void UViveportIAPSubscriptionDemo::MyIsReadyCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPSubscriptionDemo][MyIsReadyCallback]
                                     IsReady failure. Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("IsReady failure. Code = %d, message = %s"),
                                            nCode, *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyGetBalanceCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MyGetBalanceCallback::OnBalanceSuccess(const FString& pchBalance)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyGetBalanceCallback] GetBalance
                                   success. Balance = %s"), *pchBalance);
    FString fstring = FString::Printf(TEXT("GetBalance success. Balance = %s"), *pchBalance);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    int32 balance = FCString::Atoi(*pchBalance);
    if (balance > 0)
    {
        // Request subscription
        UViveportIAPurchase::RequestSubscriptionWithPlanID(
        mDemo->GetRequestSubscriptionPlanIDCallback(), mDemo->PLAN_ID);
    }
}

void UViveportIAPSubscriptionDemo::MyGetBalanceCallback::OnFailure(int nCode, const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPSubscriptionDemo][MyGetBalanceCallback] GetBalance
                                     failure. Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("GetBalance failure. code = %d, message = %s"), nCode,
                                      *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyRequestSubscriptionPlanIDCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MyRequestSubscriptionPlanIDCallback::
     OnRequestSubscriptionWithPlanIDSuccess(const FString& pchSubscriptionId)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyRequestSubscriptionPlanIDCallback]
                                   Request subscription success. Subscription id = %s"),
                                   *pchSubscriptionId);
    FString fstring = FString::Printf(TEXT("Request subscription success. Subscription id = %s"),
                                            *pchSubscriptionId);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    // Subscribe the item
    UViveportIAPurchase::Subscribe(mDemo->GetSubscribeCallback(), pchSubscriptionId);
    //UViveportIAPurchase::QuerySubscription(mDemo->GetQuerySubscriptionCallback(),
                                             pchSubscriptionId);
}

void UViveportIAPSubscriptionDemo::MyRequestSubscriptionPlanIDCallback::OnFailure(int nCode,
                                   const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPSubscriptionDemo]
    [MyRequestSubscriptionPlanIDCallback] Request subscription failure. Code = %d, message = %s")
    , nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("Request subscription failure. Code = %d, message = %s"),
                                            nCode, *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MySubscribeCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MySubscribeCallback::OnSubscribeSuccess(
                                   const FString& pchSubscriptionId)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MySubscribeCallback] Subscribe
                                   success. Subscription id = %s"), *pchSubscriptionId);
    FString fstring = FString::Printf(TEXT("Subscribe success. Subscription id = %s"),
                                           *pchSubscriptionId);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);

    // Query subscription
    UViveportIAPurchase::QuerySubscription(mDemo->GetQuerySubscriptionCallback(), pchSubscriptionId);
}

void UViveportIAPSubscriptionDemo::MySubscribeCallback::OnFailure(int nCode,
                                                                  const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPSubscriptionDemo][MySubscribeCallback] Subscribe
                                     failure. Code = %d, message = %s"), nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("Subscribe failure. Code = %d, message = %s"),
                                            nCode, *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

/***************************************************************
*                    MyQuerySubscriptionCallback
***************************************************************/

void UViveportIAPSubscriptionDemo::MyQuerySubscriptionCallback::OnQuerySubscriptionSuccess
                                  (const TArray& subscriptionlist)
{
    UE_LOG(ViveportSDK, Log, TEXT("[UViveportIAPSubscriptionDemo][MyQuerySubscriptionCallback]
                                   Query subscription success."));
    FString fstring = FString::Printf(TEXT("Query subscription success."));
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}

void UViveportIAPSubscriptionDemo::MyQuerySubscriptionCallback::OnFailure(int nCode,
                                   const FString& pchMessage)
{
    UE_LOG(ViveportSDK, Error, TEXT("[UViveportIAPSubscriptionDemo][MyQuerySubscriptionCallback]
                                     Query subscription failure. Code = %d, message = %s"),
                                     nCode, *pchMessage);
    FString fstring = FString::Printf(TEXT("Query subscription failure. Code = %d, message = %s"),
                                            nCode, *pchMessage);
    GEngine->AddOnScreenDebugMessage(-1, 15.0f, FColor::White, fstring);
}