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iOS Build a Playlist Browser with Objective-C Working With Multiple View Controllers Recap of iOS Basics

Shaun Kelly
Shaun Kelly
5,648 Points
Posted by Shaun Kelly
Shaun Kelly
5,648 Points

My app crashes as soon as i press the button...

App crashes when i press the button and says in the log "unrecognized selector sent to instance"

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];



    [self.aButton setTitle:@"Press me!" forState:UIControlStateNormal];



}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
- (IBAction)buttonPressed {

    self.view.backgroundColor = [UIColor orangeColor];
}




@end
Chris Jackson
Chris Jackson
30,535 Points
Chris Jackson
Chris Jackson
30,535 Points

I'm having the same problem. My code is exactly the same. Has anyone found a solution?

3 Answers

Meek D
Meek D
3,457 Points
Meek D
Meek D
3,457 Points

You need to connect the function to the UIButton

Meek D
Meek D
3,457 Points

delete the button then redo it again

Alex Robertson
Alex Robertson
4,976 Points
Alex Robertson
Alex Robertson
4,976 Points

I am also getting this error. I'm pretty sure I followed the video exactly. What do you mean "connect the function to the UIButton"?