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PORestore button for iOS non-consumable in-app purchase
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copied!<p>Apple have unfortunately rejected my app for not having a restore button. I wanted to have a seamless experience for the user but there are some problems. </p> <pre><code>- (void)purchaseProUpgrade { [[SKPaymentQueue defaultQueue] addTransactionObserver:self]; // User is prompted for iTunes username and password here (1) [[SKPaymentQueue defaultQueue] restoreCompletedTransactions]; } // Then this delegate Function Will be fired - (void) paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue { if( queue.transactions.count == 0 ) { [self setUpgradeProductId]; // User is prompted for iTunes username and password here (2) SKPayment *payment = [SKPayment paymentWithProductIdentifier:kInAppPurchaseProUpgradeProductId]; [[SKPaymentQueue defaultQueue] addPayment:payment]; }else { [[NSNotificationCenter defaultCenter] postNotificationName:kInAppPurchaseManagerTransactionSucceededNotification object:self userInfo:NULL]; } } </code></pre> <p>Is the above a good solution? The logic would be:</p> <ol> <li>User presses button to remove in-app purchase.</li> <li>Check if the user has already made a purchase (user has to enter username and password)</li> <li>If user has already made a purchase, restore</li> <li>If user has not already made a purchase,prompt for payment (user has to enter password again).</li> </ol> <p>The problems with this approach are: 1. An additional server call 2. User has to enter details twice.</p> <p>Has anyone actually implemented a Restore button that they can demonstrate? </p>

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