我在我的应用程序中使用MFMailComposeViewController,邮件发送部分似乎没问题。 但是当我离开邮件应用程序时,事情就出错了:
- one toolbar (UIToolbar object) has disappeared.
- one pointer (UIImageView*) has become nil, without me doing anything for that to happen.
换句话说,虽然我不希望它改变,但调用环境已经改变。 哪里可能是我的错?
这是我的代码,万一有人可以看到错误:
- (void)mailComposeController:(MFMailComposeViewController*)controller
didFinishWithResult:(MFMailComposeResult)result
error:(NSError*)error
{
[controller dismissModalViewControllerAnimated:YES];
}
-(IBAction)sendAsEMail {
MFMailComposeViewController *mailComposeViewController=[[MFMailComposeViewController alloc] init];
mailComposeViewController.mailComposeDelegate=self;
[mailComposeViewController setSubject:@"Mail subject"];
[mailComposeViewController setMessageBody:@"This is for you !" isHTML:NO];
[mailComposeViewController addAttachmentData:
[NSData dataWithContentsOfFile:[[My_ViewController getDocDir] stringByAppendingPathComponent:
[pictureNames objectAtIndex:userItemSelected]]]
mimeType:@"image/png" fileName:@"Picture.png"];
if (mailComposeViewController) [self presentModalViewController:mailComposeViewController animated:YES];
[mailComposeViewController release];
}
感谢您提供任何相关信息。