Xcode Using textField shouldChangeCharactersInRange: crashes app

Question

I'm trying to implement an autocomplete funktion under a textfield, using a script i found here:

http://www.raywenderlich.com/336/how-to-auto-complete-with-custom-values

But it runs the script as it should, and then the app crashes without giving me a reson (just exc_bad_access in the TUAppDelegate)

No i have a few other keyboard methos, so don't know if they conflict.

The textfield is declared like this:

mytextfield_textfield = [[UITextField alloc] initWithFrame:CGRectMake(60, 57, 145, 20)];
mytextfield_textfield.borderStyle = UITextBorderStyleNone;
mytextfield_textfield.font =  [UIFont fontWithName:@"NeoSans" size:14];
mytextfield_textfield.placeholder = @"Enter something";
mytextfield_textfield.text = @"";
mytextfield_textfield.secureTextEntry = NO;
mytextfield_textfield.autocapitalizationType = UITextAutocapitalizationTypeNone;
mytextfield_textfield.autocorrectionType = UITextAutocorrectionTypeNo;
mytextfield_textfield.keyboardType = UIKeyboardTypeDefault;
mytextfield_textfield.returnKeyType = UIReturnKeyDone;
mytextfield_textfield.clearButtonMode = UITextFieldViewModeWhileEditing;
mytextfield_textfield.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;    
mytextfield_textfield.delegate = self;
[self.view addSubview:mytextfield_textfield];

And then the autocompleteview underneath as a scrollview instead of tableview (another reason for that). But it isn't used right now.

Then i have these methods already:

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    UITouch * touch = [touches anyObject];
    if(touch.phase == UITouchPhaseBegan) {
        [mytextfield_textfield resignFirstResponder];
    }

    [mytextfield_textfield resignFirstResponder];
    myTableView.userInteractionEnabled = YES;
}

- (void)textFieldDidBeginEditing:(UITextField *)textField {
    myTableView.userInteractionEnabled = NO;
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    [mytextfield_textfield resignFirstResponder];
    myTableView.userInteractionEnabled = YES;
    [self performSelector:@selector(AddAction:) withObject:nil] ;
    return YES; 
}

And now i implement the autocomplete:

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    autocompleteView.hidden = NO;
    NSString *substring = [NSString stringWithString:textField.text];
    substring = [substring stringByReplacingCharactersInRange:range withString:string];
    [self searchAutocompleteEntriesWithSubstring:substring];
    myTableView.userInteractionEnabled = YES;
    NSLog(@"ok") ;
    return NO;
}

- (void)searchAutocompleteEntriesWithSubstring:(NSString *)substring {
    NSDictionary *dictionary = [[NSDictionary alloc] init ];
    NSString *path = [[NSBundle mainBundle] bundlePath] ;
    NSString *dictionary_path = [path stringByAppendingPathComponent:@"categorieslist2.plist"] ;
    dictionary = [NSDictionary dictionaryWithContentsOfFile:dictionary_path] ;

    for(id key in dictionary) {
        NSLog(@"%@",key) ;
    }
    [dictionary release] ;
}

It output's the keys and returns the OK from the NSlog, but then it crashes. Any idea why?

I'm just doing the NSLog only, because i'm trying to figure out why it isnt working

paste the content of dictionary that you read from main bundle. — Alex Terente
– Alex Terente, Commented Oct 9, 2012 at 5:13

Rajneesh071 · Accepted Answer · 2012-10-09 05:17:55Z

1

change

   - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {

return YES;
}

edited Oct 9, 2012 at 5:17

Rajneesh071

31.1k15 gold badges63 silver badges74 bronze badges

answered Oct 9, 2012 at 5:10

Venk

5,9559 gold badges43 silver badges54 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

Dan Mikkelsen Over a year ago

Oh yeah, i have set that :o) I tried both in dispair, and accidently copy pasted the one that says no :-)

Dan Mikkelsen · Accepted Answer · 2012-10-09 21:52:18Z

0

For reason i have no idea of, the [dictionary release] was the culprit. Anybody can explain why? The same thing gave me a crash in another section of the app where i also released a dictionary read from a plist. commenting it out solved everything, even though i don't use the dictionary after the for loop

answered Oct 9, 2012 at 21:52

Dan Mikkelsen

2864 silver badges13 bronze badges

Collectives™ on Stack Overflow

Xcode Using textField shouldChangeCharactersInRange: crashes app

2 Answers 2

1 Comment

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

2 Answers 2

1 Comment

Comments

Your Answer

Sign up or log in

Post as a guest

Related