UIResponder's Touch Handling

gistfile1.m

#pragma mark -
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    
    messageLabel.text = @"Touches Began";
    [self updateLabelsFromTouches:touches]; 
    
}
- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { 
    messageLabel.text = @"Drag Detected";
    [self updateLabelsFromTouches:touches];
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { 
    
    messageLabel.text = @"Touches Ended.";
    [self updateLabelsFromTouches:touches];
    
}
- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event{ 
    
    messageLabel.text = @"Touches Cancelled";
    [self updateLabelsFromTouches:touches];
    
}

- (void)updateLabelsFromTouches:(NSSet *)touches { 
    
    NSUInteger numTaps = [[touches anyObject] tapCount]; 
    NSString *tapsMessage = [[NSString alloc] initWithFormat:@"%d taps detected", numTaps]; 
    tapsLabel.text = tapsMessage;
    [tapsMessage release];
    
    NSUInteger numTouches = [touches count];
    NSString *touchMsg = [[NSString alloc] initWithFormat: @"%d touches detected", numTouches]; 
    touchesLabel.text = touchMsg;
    [touchMsg release];
}