- (void)viewDidLoad
{
    ESTimePicker *timePicker = [[ESTimePicker alloc] initWithDelegate:self]; // Delegate is optional
    [timePicker setFrame:CGRectMake(10, 100, 300, 300)];
    [self.view addSubview:timePicker];
}

- (void)timePickerHoursChanged:(ESTimePicker *)timePicker toHours:(int)hours
{
    [hoursLabel setText:[NSString stringWithFormat:@"%i", hours]];
}

- (void)timePickerMinutesChanged:(ESTimePicker *)timePicker toMinutes:(int)minutes
{
    [minutesLabel setText:[NSString stringWithFormat:@"%i", minutes]];
}