When making any iOS application project (Xcode 7.something, on 10.11.5, base
SDK = iOS 9) that uses a UITextField control, I can't get the "return" button
to work.
I've tried attaching an IBAction by Ctrl-dragging from the control to the
.swift file for the view controller, naming the action, and selecting "Action"
(instead of "outlet"), and it creates the action method as below:
@IBAction func textFieldDoneEditing(sender: UITextField) {
print("textFileDoneEditing:")
sender.resignFirstResponder()
}
I've verified that the connection is valid. Not only does the dot-in-a-circle
show up to the left of the func, I can see that it's connected in the
connections inspector pane. When I run (simulator or actual device) no output
is logged to the console when the return key on the on-screen keyboard is
tapped (clicked, in the case of the simulator.)
I also tried setting my view controller to implement UITextFieldDelegate
class ViewController : UIViewController , UITextFieldDelegate
{
...
func textFieldDidEndEditing(textField: UITextField) {
print("textFieldDidEndEditing:")
self.resignFirstResponder()
}
then went back to IB and the connections inspector pane. I then selected both
of my UITextFields and made sure the delegate was connected to the proxy for
the view controller (at the top of the "view controller" IB representation, to
the left of the "File's Owner" and "Exit" proxies).
In neither case, does this work on either the simulator or device. Only once I
tap on the other UITextField (set to have a numeric keypad) do both methods
print to the console, by which time it's too late; the other text field already
has the focus (first responder status.)
I don't know if this is an iOS bug, or an ID10T error (stupidity on my part).
Please help!!
BTW, I also have two outlets to the UITextFields in question, one named
"nameField" and one named "numberField". The first has the "default" keyboard,
and the 2nd has the "numpad" keyboard; it's the first one that has the
non-responsive "return" button (since a numpad keyboard doesn't have a "return"
button - a sad oversight, IMHO)
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