iOS InApp Purchase - Sizuha/devdog GitHub Wiki

#import <StoreKit/StoreKit.h>

@interface XXXXX :  NSObject <SKPaymentTransactionObserver, KProductsRequestDelegate> {
}
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions;
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response

[[SKPaymentQueue defaultQueue] addTransactionObserver:self];

if ([SKPaymentQueue canMakePayments])
{
   ... // Display a store to the user.
}
else
{
   ... // Warn the user that purchases are disabled.
}

- (void)requestProductData
{
   SKProductsRequest *request= [[SKProductsRequest alloc] initWithProductIdentifiers: [NSSet setWithObject: @"com.testman.inappdemo.001"]];
   request.delegate = self;
   [request start];
}

- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response
{
    NSArray *myProduct = response.products;
    // populate UI
    [request autorelease];
}

SKPayment *payment = [SKPayment paymentWithProductIdentifier:@"com.testman.inappdemo.001"];
[[SKPaymentQueue defaultQueue] addPayment:payment];

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions
{
    for (SKPaymentTransaction *transaction in transactions)
    {
        switch (transaction.transactionState)
        {
            case SKPaymentTransactionStatePurchased:
                [self completeTransaction:transaction];
                break;
            case SKPaymentTransactionStateFailed:
                [self failedTransaction:transaction];
                break;
            case SKPaymentTransactionStateRestored:
                [self restoreTransaction:transaction];
            default:
                break;
        }
    }
}

- (void) completeTransaction: (SKPaymentTransaction *)transaction
{
// Your application should implement these two methods.
   //생략가능 [self recordTransaction: transaction];
   //생략가능 [self provideContent: transaction.payment.productIdentifier];
// Remove the transaction from the payment queue.
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}

- (void) restoreTransaction: (SKPaymentTransaction *)transaction
{
    //생략 가능[self recordTransaction: transaction];
    //생략가능 [self provideContent: transaction.originalTransaction.payment.productIdentifier];
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}

- (void) failedTransaction: (SKPaymentTransaction *)transaction
{
    if (transaction.error.code != SKErrorPaymentCancelled)
    {
        // Optionally, display an error here.
    }
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}

//
//  iOSPlugins.h
//
#ifndef Unity_iPhone_iOSPlugins_h
#define Unity_iPhone_iOSPlugins_h

#import <StoreKit/StoreKit.h>

@interface InappObserver : NSObject<SKPaymentTransactionObserver, SKPaymentTransactionObserver> {
}
#pragma mark Store Kit
-(void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions;
-(void)completeTransaction: (SKPaymentTransaction *)transaction;
-(void)failedTransaction: (SKPaymentTransaction *)transaction;
@end

#endif

//
//  iOSPlugins.m
//
#import <Foundation/Foundation.h>
#include "iOSPlugins.h"


InappObserver* g_inapp;

void initPlugins()
{
    g_inapp = [[InappObserver alloc] init];
    
    if ([SKPaymentQueue canMakePayments]) {
        [[SKPaymentQueue defaultQueue] addTransactionObserver: g_inapp];
    }
}

void purchase_ios(int product_id, const char* market_pid)
{
    NSLog(@"purchase_ios: %d, %s", product_id, market_pid);
    
    NSString* pid = [NSString stringWithUTF8String: market_pid];
    
    //-- 1.상품요청
    NSSet *set = [NSSet setWithObjects:pid, nil];
    SKProductsRequest *productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:set];
    productsRequest.delegate = g_inapp;
    [productsRequest start];
}

@implementation InappObserver

#pragma mark Store Kit

//-- 2.상품응답
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response {
    
    if ([response.products count] > 0) {
        SKProduct *product = [response.products objectAtIndex:0];
        NSLog(@"Title:%@", product.localizedTitle);
        NSLog(@"Description:%@", product.localizedDescription);
        NSLog(@"Price:%@", product.price);
        
        //-- 3.구매요청
        SKPayment *payment = [SKPayment paymentWithProduct:product];
        [[SKPaymentQueue defaultQueue] addPayment: payment];
    }
}

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions
{
    //-- 4.구매응답
    for (SKPaymentTransaction *transaction in transactions) {
        switch (transaction.transactionState) {
            // Call the appropriate custom method for the transaction state.
                
            case SKPaymentTransactionStateFailed:
                NSLog(@"購入失敗: %@, %@", transaction.transactionIdentifier, transaction.error);
                [self failedTransaction:transaction];
                break;
                
            case SKPaymentTransactionStatePurchased:
                NSLog(@"購入成功");
                [self completeTransaction:transaction];
                
                const char* product_id = [[transaction.payment productIdentifier] UTF8String];
                UnitySendMessage("ShopList", "storeBuyCallBack", product_id);
                break;
                
            case SKPaymentTransactionStateRestored:
                // リストア処理
                // NSLog(@"以前に購入した機能を復元");
                //[queue finishTransaction:transaction];
                // TODO: アイテム購入した処理（アップグレード版の機能制限解除処理等）
                break;
                
            default:
                // For debugging
                NSLog(@"Unexpected transaction state %@", @(transaction.transactionState));
                break;                
        }        
    }
}

- (void) completeTransaction: (SKPaymentTransaction *)transaction
{
    NSString *receiptStr = [transaction.transactionReceipt base64Encoding];
    NSLog(@"completeTransaction");
    NSLog(@"Trasaction Identifier : %@", transaction.transactionIdentifier);
    NSLog(@"Trasaction Date : %@", [transaction.transactionDate description]);
    
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
    
    //LOG(@"Trasaction transactionReceipt : %@", receiptStr);  
}

- (void) failedTransaction: (SKPaymentTransaction *)transaction
{
    NSLog(@"failedTransaction");
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
    
    const char* msg =  [[transaction.error localizedDescription] UTF8String];
    UnitySendMessage("ShopList", "storeFailCallBack", msg);
 }
@end