#import "ViewController.h"

@interface ViewController ()

@end


@implementation ViewController

@synthesize myButton;

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.

    self.myButton = [UIButton buttonWithType:UIButtonTypeCustom];
    self.myButton.frame = CGRectMake(10, 100, 200, 40);
    [self.myButton setBackgroundColor:[UIColor cyanColor]];
    [self.myButton addTarget:self action:@selector(changeColor) forControlEvents:UIControlEventTouchUpInside];



}

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

-(void)changeColor{

     float randomNum = ((float)rand() / RAND_MAX) * 25;


}

@end