《30天精通iPhone手机编程》源码第一部分

// // Day20ViewController.h // Day20 // // Created by Ying Lu // Copyright《iPhone SDK 三十天入门到精通》. All rights reserved. // E-Mail iossdk@126.com // #import <UIKit/UIKit.h> #import <Foundation/Foundation.h> #import <AVFoundation/AVFoundation.h> @interface Day20ViewController : UIViewController { IBOutlet UISlider *guitarVolumeControl; IBOutlet UISlider *beatsVolumeControl; AVAudioPlayer *guitarPlayer; AVAudioPlayer *beatsPlayer; IBOutlet UISwitch *includeGuitar; IBOutlet UISwitch *includeBeats; } @property (nonatomic, retain) UISlider *guitarVolumeControl; @property (nonatomic, retain) UISlider *beatsVolumeControl; @property (nonatomic, retain) AVAudioPlayer *guitarPlayer; @property (nonatomic, retain) AVAudioPlayer *beatsPlayer; @property (nonatomic, retain) UISwitch *includeGuitar; @property (nonatomic, retain) UISwitch *includeBeats; -(IBAction)guitarVolumeChange; -(IBAction)beatsVolumeChange; -(IBAction)guitarSwitch; -(IBAction)beatsSwitch; @end