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POSKPaymentQueue addTransactionObserver asking for App Store password on startup after in-app purchase
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  1. POSKPaymentQueue addTransactionObserver asking for App Store password on startup after in-app purchase
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    copied!<p>My app is using in-app purchases, and most of my users can purchase just fine without any problems. For these folks, my app downloads the content after the purchase succeeds and they are happy.</p> <p>However, for a growing number of my users, once they complete a successful in-app purchase they are being asked for their App Store password every time the app starts up after that. I believe this is happening on the call to:</p> <pre><code>[[SKPaymentQueue defaultQueue] addTransactionObserver:observer]; </code></pre> <p>which I am calling on startup in accordance with step 6 in Apple's in-app purchase guide:</p> <ul> <li>archived guide: <a href="https://web.archive.org/web/20130515222703/https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/StoreKitGuide/AddingaStoretoYourApplication/AddingaStoretoYourApplication.html" rel="nofollow noreferrer">https://web.archive.org/web/20130515222703/https://developer.apple.com/library/ios/documentation/NetworkingInternet/Conceptual/StoreKitGuide/AddingaStoretoYourApplication/AddingaStoretoYourApplication.html</a></li> <li>actual guide: <a href="https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/DeliverProduct.html#//apple_ref/doc/uid/TP40008267-CH5-SW4" rel="nofollow noreferrer">https://developer.apple.com/library/content/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/DeliverProduct.html#//apple_ref/doc/uid/TP40008267-CH5-SW4</a></li> </ul> <p>My guess is that, for some reason, Apple's in-app purchase servers aren't registering that the transaction finished successfully - even though I call</p> <pre><code>[[SKPaymentQueue defaultQueue] finishTransaction:transaction]; </code></pre> <p>when the transaction is completed and my content has been successfully downloaded.</p> <p>2 questions:</p> <ol> <li><p>Is anyone else seeing this?</p></li> <li><p>Does anyone have a suggested fix?</p></li> </ol> <p><strong>BOUNTY EDIT</strong>:</p> <p>Its a transaction which was made with a different Apple-ID. Thats why it cannot be finished unless you type in the right credentials into the dialog. The Question should be either: </p> <ol> <li>How can I prevent such dead transactions (transaction has not been finished, user has no network, meanwhile changes App-ID)?</li> <li>How can you prune the <code>SkPaymentQueue</code>? </li> </ol>
 

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