Xcode:检查电子邮件是否已发送或取消

Question

我想用电子邮件注册login，为此我必须检查用户是否单击了"发送"或"取消。有没有可能检查一下？因为如果用户不发送，我不希望他出现在我的应用程序中。关于

Answer 1

如果使用默认MFMailComposeViewController，请尝试在中检查"(MFMailComposeResult)result"

// Then implement the delegate method
- (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error {
    [self dismissModalViewControllerAnimated:YES];
}


enum MFMailComposeResult {
   MFMailComposeResultCancelled,
   MFMailComposeResultSaved,
   MFMailComposeResultSent,
   MFMailComposeResultFailed
};
typedef enum MFMailComposeResult MFMailComposeResult;