我有一封信,我希望客户寄送我的电子邮件地址。 因此,我只想寄回我的反馈。 因此,我要把电子邮件锁定下来。 这是可能的吗? 我使用的是MFmailComposeViewController/code>。
For a basic app with nonconsumable in-app purchases, has anyone figured out best practices for using SKPaymentQueue s restoreCompletedTransactions? Observations I know it s recommended to always ...