#import "ViewController.h"

#import "NSObject+HardShell.h"

@interface ViewController ()

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

UILabel *label = [[UILabel alloc] init];

label.center = self.view.center;

label.text = @"HardShell";

[label sizeToFit];

[self.view addSubview:label];

// unregonized selector crash

UIButton *button = [[UIButton alloc] init];

[button performSelector:@selector(noThisMethod:)];

[button performSelector:@selector(description)];

// KVO

[label addObserver:self forKeyPath:@"text" options:NSKeyValueObservingOptionNew context:nil];

[label addObserver:self forKeyPath:@"text" options:NSKeyValueObservingOptionNew context:nil];

[label removeObserver:self forKeyPath:@"textColor"];

//label.text = @"new text";

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}