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應用程序如何檢查的狀態在應用程序內購買，看看是否已被購買或不？檢測的In App Purchase的狀態
我想這樣做在viewWillAppear中，並根據他們是否購買或不設置的圖標在應用內購買。
這可以通過蘋果庫來完成嗎？
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回答
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This是一個偉大的教程，告訴您在應用內購買的建立，包括如何做到這一點的示例代碼中的所有步驟。希望有助於！
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