Objective-C Learning Notes - Second practice using UISlider and UISwitch
#import <UIKit/UIKit.h> @interface ViewController : UIViewController @property (weak, nonatomic) IBOutlet UILabel *sliderLabel; @property (weak, nonatomic) IBOutlet UISlider *mySlider; @property (weak, nonatomic) IBOutlet UISwitch *leftSlider; @property (weak, nonatomic) IBOutlet UISwitch *rightSlider; - (IBAction)sliderChanged:(id)sender; - (IBAction)switchChanged:(id)sender; @end