Restore button for iOS non-consumable in-app purchase

Question

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.

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Answer 1

Apple rejects application with In App Purchase, that does not have a restore purchase button. In the app view, add a restore button. Then in the In App Purchase helper class, add the following method:

- (void)restoreCompletedTransactions {
    [[SKPaymentQueue defaultQueue] restoreCompletedTransactions]; 
}

Now call this method from the button click action and it will restore the previous purchase.