In #ViewController.m
#import <UIKit/UIKit.h>
#import <AVFoundation/AVFoundation.h>
(more...)
#import <UIKit/UIKit.h>
#import <AVFoundation/AVFoundation.h>
(more...)
MPMusicPlayerController *iPod = [MPMusicPlayerController iPodMusicPlayer];
float volumeLevel = iPod.volume;
NSLog(@"Volume: %f", volumeLevel);