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69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/*
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Copyright (C) 2009-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the WOLF3D iOS v2.1 GPL Source Code.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdbool.h>
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/*
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===============================================
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Expose a C interface to the In App Purchase functionality.
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This interface only supports non-consumable products, such as one-time purchases of extra levels
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or expansion packs. It uses NSUserDefaults internally to keep track of purchases the user has
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made. This is Apple's recommended method, and it means that purchases will automatically be
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backed up with the app in iTunes, should the user choose to do so. Each product is a boolean
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value stored in NSUserDefaults, with a key equal to the product ID string specified in iTunes
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connect. This is the same string that needs to passed to InAppPurchaseStartPurchase and similar
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functions.
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Usage:
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InAppPurchaseInit needs to be called during app launch to complete any transactions that
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were not finished last time.
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Call InAppPurchaseStartPurchase with the product ID string from iTunes connect to begin the
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purchase process. This will launch Apple's interface for logging in with an Apple ID and
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comfirming the purchase.
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Call InAppPurchaseHasPurchased to see if the user has purchased a specific product. The string
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parameter is the same product ID used in iTunes Connect and InAppPurchaseStartPurchase.
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===============================================
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*/
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void InAppPurchaseInit( void );
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void InAppPurchaseShutdown( void );
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void InAppPurchaseStartPurchase( const char * productIdentifier );
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typedef enum {
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IAP_SUCCESS,
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IAP_FAILURE
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} InAppPurchaseResult;
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typedef void (*InAppPurchaseCallbackPtr)( InAppPurchaseResult result );
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void InAppPurchaseSetCallback( InAppPurchaseCallbackPtr function );
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bool InAppPurchaseIsInProgress( void );
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bool InAppPurchaseHasPurchased( const char * productIdentifier );
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