Question

Why am I getting the above compilation error in all of my source files after creating editing this file:

#import <UIKit/UIKit.h>

@protocol FlipsideViewControllerDelegate;


@interface FlipsideViewController : UIViewController {
    id <FlipsideViewControllerDelegate> delegate;
    UITextField *textField;
}
@property (nonatomic, retain) IBOutlet UITextField *textField;


@property (nonatomic, assign) id <FlipsideViewControllerDelegate> delegate;
- (IBAction)done:(id)sender;
@end


@protocol FlipsideViewControllerDelegate
- (void)flipsideViewControllerDidFinish:(FlipsideViewController *)controller;
@end

-(IBAction) textChanged:(id) sender;

After editing my flipsidecontroller.h to look like this. I get the error in all of my other source files. Like this one:

    //  MainViewController.h
//  MVC
//
//  Created by Nick Martin on 3/31/11.
//  Copyright 2011 Nick. All rights reserved.
//

#import "FlipsideViewController.h"

@interface MainViewController : UIViewController <FlipsideViewControllerDelegate> {
    UILabel *label;
}

@property (nonatomic, retain) IBOutlet UILabel *label;

- (IBAction)showInfo:(id)sender;

@end

It is complaining about the interface declaration for each of my controllers???

Thanks in advance for the help!

Update – put the textChanged event into the interface

//  FlipsideViewController.h
//  MVC
//
//  Created by Nick Martin on 3/31/11.
//  Copyright 2011 Nick Martin. All rights reserved.
//

#import <UIKit/UIKit.h>


@protocol FlipsideViewControllerDelegate;


@interface FlipsideViewController : UIViewController {
    id <FlipsideViewControllerDelegate> delegate;
    UITextField *textField;
}
@property (nonatomic, retain) IBOutlet UITextField *textField;


@property (nonatomic, assign) id <FlipsideViewControllerDelegate> delegate;
- (IBAction)done:(id)sender;
@end

-(IBAction) textChanged:(id) sender;  //DOH!!! 

@protocol FlipsideViewControllerDelegate
- (void)flipsideViewControllerDidFinish:(FlipsideViewController *)controller;
@end

Answer 1

Your textChanged: method isn’t in an interface or protocol. Did you mean to include it in FlipsideViewController or FlipsideViewControllerDelegate?