CODEWITHSUNDEEP
iphoneobjective-ciosuiviewcontrolleruibutton
YDL
YDL

Reputation: 714

UIButton in second View Controller - Touch Up Inside not working (Touch Down does)

I have created a new project in XCode and used the new Storyboard-feature to create two different View Controllers.

The first View Controller is attached to the main files (ViewController.h, Viewcontroller.m). The second View Controller is attached to it's own set of .h/.m files (NewUserController.m/.h)

Now for the problem which I havent been able to find a solution for in the last hours;

I have added a button the second view controller and attached the button to an IBAction (verifyNumber). When I attach the 'Touched Up Inside' event the IBAction is never fired. However, when I attach the 'Touch Down' everything works fine..

Both View Controller's have got the 'user interaction enabled' selected and apart from the button the second view controller doesn't contain any other elements. Also, my manual performSegueWithIdentifier is working (switch from view1 to view2).

Can anyone spot where it has gone wrong?

The code:

ViewController.m

- (void)firstStartup {

    // Future use for getting userID

    // Switch to loginview
    [self performSegueWithIdentifier:@"segueLogin" sender:self];       

}

#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.

    // Fire firstStartup
    [self firstStartup];

}

NewUserController.h

#import <UIKit/UIKit.h>

@interface NewUserController : UIViewController
@property (weak, nonatomic) IBOutlet UITextField *inputNumber;

- (IBAction)backgroundTap;
//- (IBAction)verifyNumber;

- (IBAction)verifyNumber:(id)sender;

@end

NewUserController.m

#import "NewUserController.h"

@implementation NewUserController
@synthesize inputNumber;


// Collect User data & Start Request
- (IBAction)verifyNumber:(id)sender; {

    inputNumber.text = @"testing";

}

- (IBAction)backgroundTap {

    [inputNumber resignFirstResponder];    

}

UPDATE

Because of the response of NJones I have tested some more and deleted the gesturerecognizer I had present on the second view. After deleting this recognizer the UIButton works with all events (Touched Up Inside).

Does the recognizer somehow block any 'tap' events to overlaying objects (such as the UIButton)?

Upvotes: 1

Views: 3205

Answers (1)

NJones
NJones

Reputation: 27147

I have a few thoughts,

1) Why do you have:

    - (IBAction)backgroundTap;
    //- (IBAction)verifyNumber;

    - (IBAction)verifyNumber:(id)sender;

There is a difference between verifyNumber and verifyNumber:(id)sender and they can both exist at the same time, and both can be connected in the nib.

2) Are you using any UIGestureRecoginzers on the view at all?

3) Is this button a custom button or subclass of UIButton?

4) (I truly don't think this will help solve your problem it's just good practice, and I'm already typing :)) Using a view property to check if a method was called is inconclusive at best. Try putting a log statement in the IBAction method like So:

- (IBAction)verifyNumber:(id)sender; {
    NSLog(@"verifyNumber:");
    inputNumber.text = @"testing";
}

Upvotes: 3

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