Which version of Xcode and iOS? Is it in a Simulator, on the device or both?
> On Nov 17, 2020, at 6:12 PM, Laurent Daudelin via Cocoa-dev
> <cocoa-dev@lists.apple.com> wrote:
>
> Anybody knows why, all of a sudden, when the keyboard will appear when
> editing a UITextField or a UITextView, the entire screen seems to freeze? The
> app in the debugger still to be still running but the interface seems frozen.
> Trying to rotate doesn’t do anything. There are no errors displayed in the
> console. I had text fields and text views that were working as usual, I made
> some changes here and there and now, I can’t remember what I could have done
> that is causing this problem. It looks like the runloop is not working. I
> have one case of textfield in a tableview controller that is presented
> modally like this:
>
> self.loginController = [APP_DELEGATE.currentStoryboard
> instantiateViewControllerWithIdentifier:@"LoginTableViewController"];
> self.loginController.nameTextField.text = lastAccountUsed;
> self.loginController.modalPresentationStyle =
> UIModalPresentationFormSheet;
> [self presentViewController:self.loginController animated:YES
> completion:nil];
>
> From the login view controller:
>
>
> - (void)viewWillAppear:(BOOL)animated
> {
> [super viewWillAppear:animated];
> self.nameTextField.enabled = YES;
> self.nameTextField.text = @"";
> self.passwordTextField.enabled = YES;
> self.passwordTextField.text = @"";
> self.loginButton.enabled = NO;
> }
>
> - (void)viewDidAppear:(BOOL)animated
> {
> [super viewDidAppear:animated];
> [self.nameTextField becomeFirstResponder];
> }
>
> This has worked for a long time and now, when the same code is executed, the
> interface just freezes. I have another case of a view controller that is
> presented as a popover and contains a UITextView. As soon as my code tries to
> set the text view as first responder, the keyboard appears, the text
> insertion point shows but does not blink.
>
> I really don’t know what I did :/
>
> Anybody has any idea?
>
> -Laurent.
> --
> Laurent Daudelin
> laur...@nemesys-soft.com <mailto:laur...@nemesys-soft.com>
> Skype: LaurentDaudelin
> Logiciels Némésys Software
> http://www.nemesys-soft.com/ <http://www.nemesys-soft.com/>
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