This is probably a dumb question, but I can't find the answer in the docs. Did the "Done" button on the pop-up keyboard always cause the keyboard to disappear? I see a lot of code around the web like this:
- (BOOL)textFieldShouldReturn:(UITextField *)theTextField { [theTextField resignFirstResponder]; return YES; }
When I press the "Done" button, the keyboard pops down and the UITextField
resigns first responder.
I'm presuming that pressing the "Done" button didn't used to cause a UITextField
to resignFirstResponder
, but that behavior changed at some time.
I'm debugging on OS 3.0 - 3.1.3
Via Tap Gesture This is the quickest way to implement keyboard dismissal. Just set a Tap gesture on the main View and hook that gesture with a function which calls view. endEditing . Causes the view (or one of its embedded text fields) to resign the first responder status.
I made a small test project with just a UITextField and this code
#import <UIKit/UIKit.h> @interface TextFieldTestViewController : UIViewController <UITextFieldDelegate> { UITextField *textField; } @property (nonatomic, retain) IBOutlet UITextField *textField; @end #import "TextFieldTestViewController.h" @implementation TextFieldTestViewController @synthesize textField; - (void)viewDidLoad { [self.textField setDelegate:self]; [self.textField setReturnKeyType:UIReturnKeyDone]; [self.textField addTarget:self action:@selector(textFieldFinished:) forControlEvents:UIControlEventEditingDidEndOnExit]; [super viewDidLoad]; } - (IBAction)textFieldFinished:(id)sender { // [sender resignFirstResponder]; } - (void)dealloc { [super dealloc]; } @end
The text field is an unmodified UITextField
dragged onto the NIB, with the outlet connected.
After loading the app, clicking in the text field brings up the keyboard. Pressing the "Done" button makes the text field lose focus and animates out the keyboard. Note that the advice around the web is to always use [sender resignFirstResponder]
but this works without it.
In Xcode 5.1
Enable Done Button
Hide Keyboard when Done is pressed
Add this method to your ViewController
-(BOOL)textFieldShouldReturn:(UITextField *)textField { [textField resignFirstResponder]; return YES; }
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