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MFMailComposeViewController 在 ipod 3.0 上工作吗?
如果 iPod touch(我假设你指的是)在 Mail 应用程序中配置了至少一个帐户,那么是的,它应该能够呈现MFMailComposeViewControllerUI。但是,即使在 iPhone 上,您也不能依赖这种情况,因此[MFMailComposeViewController canSendMail]在显示实例之前应始终检查是否返回 YES。
MFMailComposeViewController
[MFMailComposeViewController canSendMail]