Question

What could possibly be the error in this ??

int flag11 = 1;


if (([self.textField1.text length]>0) &&  
    ([self.textField4.text length]>0) && 
    ([self.textField3.text length]>0) && 
   (([self.textField2.text length]>0) || (flag11)))
    {
               NSLog(@"Please display me");

               // Some statements //
    }

Here, first three conditions are TRUE. And the last one should obviously be TRUE because of flag11 being 1.

It breaks out with error Current language: auto; currently objective-c
(gdb) and Program received error: SIGABRT and does not enter inside IF statement as expected.

---

Note: If I remove flag11, and I have just those four conditions, it works! What I want to know is why does it report an error when flag11 is added to the code.

Answer 1

That’s weird. I made a sample project with 4 textfields and a button hooked up to an action which does your check, and NSLog’s the results and it seemed to work fine. Here’s the code if you want to see:

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController <UITextFieldDelegate> {

  IBOutlet UITextField * textField1;
  IBOutlet UITextField * textField2;
  IBOutlet UITextField * textField3;
  IBOutlet UITextField * textField4;

}

@property (nonatomic, retain) IBOutlet UITextField * textField1;
@property (nonatomic, retain) IBOutlet UITextField * textField2;
@property (nonatomic, retain) IBOutlet UITextField * textField3;
@property (nonatomic, retain) IBOutlet UITextField * textField4;

- (IBAction)buttonPress;

@end

#import "ViewController.h"

@implementation ViewController

@synthesize textField1;
@synthesize textField2;
@synthesize textField3;
@synthesize textField4;

- (void)dealloc; {
  [super dealloc];
}

- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField; {
  return YES;
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField; {
  if(textField == textField1){
    [textField1 resignFirstResponder];
  }
  else if(textField == textField2){
    [textField2 resignFirstResponder];
  }
  else if(textField == textField3){
    [textField3 resignFirstResponder];
  }
  else{
    [textField4 resignFirstResponder];
  }
  return YES;
}

- (IBAction)buttonPress; {

  int flag11 = 1;

  if (([self.textField1.text length]>0) &&  
      ([self.textField4.text length]>0) && 
      ([self.textField3.text length]>0) && 
      (([self.textField2.text length]>0) || (flag11)))
  {
    NSLog(@"Please display me");

    // Some statements //
  }
  else{
    NSLog(@"Nothing");
  }
}

@end

One thing I got stuck on was that you put textField2 being the one that does not require any text. (lol) I guess the only thing to make sure is that the 4 textfields are hooked up to the right IBOutlet, and that the file’s owner is the delegate for each one as well. Hope that helps!