Right overall picture, wrong implementation details in the first paragraph. A “First Responder” in a NibFile is an Object … No, actually, First Responder is nil. Connecting a UI control (e.g., button) to First Responder in a nib is equivalent to [control setTarget:nil] in code. The reason for the First Responder fake-object in the nib … Read more
The return key doesn’t do anything special in a text field by default. You need to explicitly change the first responder: – (BOOL)textFieldShouldReturn:(UITextField *)theTextField { if (theTextField == self.textPassword) { [theTextField resignFirstResponder]; } else if (theTextField == self.textUsername) { [self.textPassword becomeFirstResponder]; } return YES; }
It turned out that the text field was nil when I was trying to send it first responder. Sending becomeFirstResponder later in the life cycle worked.
I noticed this issue too. What seems to happen is the call to becomeFirstResponder is done when the searchController is still ‘loading’. If you comment out becomeFirstResponder you notice that there is no difference. So we need a way to call becomeFirstResponder after the searchController is ‘done’ loading. When I looked at various delegate methods … Read more
The File Owner is an instantiated, runtime object that owns the contents of your nib and its outlets/actions when the nib is loaded. It can be an instance of any class you like – take a look at the identity tab of the tool palette. File Owner is the main link between your application code … Read more
Swift UI 3 As of Xcode 13, you can use the focused modifier to make a view become first responder. Swift UI 1/2 It doesn’t seem to be possible at the moment, but you can implement something similar yourself. You can create a custom text field and add a value to make it become first … Read more
This has been classified as “works as intended” by Apple engineers. I filed a bug for this a while back. Their reasoning is that the user is often going to be entering data in a modal form so they are trying to be “helpful” and keep the keyboard visible where ordinarily various transitions within the … Read more
If your ultimate aim is just to resign the first responder, this should work: [self.view endEditing:YES]