MyAwesomeView.h

#import <UIKit/UIKit.h>

@interface MyAwesomeView : UIView 
{
    UILabel *textLabel;
    UIButton *button;
    
    NSUInteger counter;
}

- (IBAction)incrementCount:(id)sender;
@property (nonatomic, retain) IBOutlet UILabel *textLabel;
@end

MyAwesomeView.m

#import "MyAwesomeView.h"

@interface MyAwesomeView ()
- (void)updateDisplay;
@end

@implementation MyAwesomeView
@synthesize textLabel;

- (void)dealloc;
{
    [textLabel release], textLabel = nil;
    [button release], button = nil;
    [super dealloc];
}

- (void)awakeFromNib;
{
    [self updateDisplay];
}

- (IBAction)incrementCount:(id)sender;
{
    counter += 1;
    [self updateDisplay];
}

- (void)updateDisplay;
{
    [self.textLabel setText:[NSString stringWithFormat:@"%d", counter]];
}

@end