当我试图发送邮件时，MFMailComposeViewController粉碎了。我正在使用UINavigationController和UITabBarController

Question

我使用UINavigationController和UITabBarController创建了一个应用程序。我尝试使用＆＃34; MFMailComposeViewController＆＃34;发送邮件。但得到ab错误，应用程序被粉碎。 我的代码：

• （IBAction）SendMail：（UIButton *）sender { if（[MFMailComposeViewController canSendMail]）{     MFMailComposeViewController * mailCont = [[MFMailComposeViewController alloc] init];     mailCont.mailComposeDelegate = self;

  [mailCont setSubject:@"yo!"];
  [mailCont setToRecipients:[NSArray arrayWithObject:@"joel@stackoverflow.com"]];
  [mailCont setMessageBody:@"Don't ever want to give you up" isHTML:NO];
  
  [self presentModalViewController:mailCont animated:YES];
  

  }

  （void）mailComposeController：（MFMailComposeViewController *）controller didFinishWithResult：（MFMailComposeResult）result error：（NSError *）error { [self dismissModalViewControllerAnimated：YES];

我做了导入：#import

导入并使用MFMailComposeViewControllerDelegate。

Answer 1

尝试

mailComposer.mailComposeDelegate = self;

而不是

mailComposer.delegate = self;