[英]MFMailComposeViewController didFinishWithResult not being called
[英]MFMailComposeViewController didFinishWithResult issue when the keyboard appears
我已經有了MFMailComposeViewController的標准實現。
我已經設置了正確的委托協議,並且在didFinishWithResult方法上發生了日志。
看到:
mailComposer = [[MFMailComposeViewController alloc] init];
[mailComposer setSubject:emailTitle];
[mailComposer setMessageBody:messageBody isHTML:YES];
mailComposer.mailComposeDelegate = self;
[[self getController] presentViewController:mailComposer animated:YES completion:NULL];
- (void) mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
NSLog(@"mail dismiss");
[[self getController] dismissViewControllerAnimated:YES completion:NULL];
}
這說明郵件編輯器正常運行,並且一切正常。 意思是,如果我按下“取消”按鈕,則didFinishWithResult方法將被調用,而mailComposer將會被關閉。
但是,如果我嘗試鍵入任何內容,例如TO:電子郵件地址或郵件編輯器本身中的任何其他內容, 則感覺鍵盤出現正在刪除我的視圖控制器的委托操作,因為“取消”和“發送”按鈕不會觸發任何操作 。
有什么想法嗎? 這讓我瘋狂 :/
干杯
編輯
這是getController的代碼:
- (UIViewController *) getController
{
Class vcc = [UIViewController class];
UIResponder *responder = self;
while ((responder = [responder nextResponder]))
if ([responder isKindOfClass: vcc])
return (UIViewController *)responder;
return nil;
}
當UITextField成為FirstResponder時,控制器將收到resignFirstResponder。
為什么使用方法“ getController”? 在提供MFMailComposeViewController的ViewController上創建屬性。
設置一個開關來捕獲來自郵件編寫器的結果,如下所示:
-(void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error {
switch (result) {
case MFMailComposeResultCancelled:
// User tapped cancel button
break;
case MFMailComposeResultSaved:
// User saved email
break;
case MFMailComposeResultSent:
// User sent email
break;
case MFMailComposeResultFailed:
break;
default:
break;
}
[self dismissViewControllerAnimated:YES completion:NULL];
}
我建議此實現:
- (void) presentMailViewController
if([MFMailComposeViewController canSendMail])
{
MFMailComposeViewController *mail = [MFMailComposeViewController new];
mail.mailComposeDelegate = self;
mail.navigationBar.tintColor = self.navigationController.navigationBar.tintColor;;
[self.navigationController presentViewController:mail animated:YES completion:nil];
}
}
- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
if(error)
{
//...
}
[self dismissViewControllerAnimated:YES completion:nil];
}
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