iphone-common-codes-ccteam源代码 CCSound.m
//
// CCSound.m
// CCFC
//
// Created by xichen on 12-1-3.
// Copyright 2012 ccteam. All rights reserved.
//
#import "CCSound.h"
#import <MediaPlayer/MediaPlayer.h>
@implementation CCSound
// add a volume changed observer event
// the selector will be only called when the ipod player is playing and the current application is active
+ (void)addVolumeChangeObserver:(id)observer sel:(SEL)sel
{
MPMusicPlayerController *musicPlayer = [MPMusicPlayerController iPodMusicPlayer];
[musicPlayer beginGeneratingPlaybackNotifications];
[[NSNotificationCenter defaultCenter] addObserver:observer
selector:sel
name:MPMusicPlayerControllerVolumeDidChangeNotification
object:musicPlayer];
}
@end
可能有更新:
googlecode链接地址:http://code.google.com/p/iphone-common-codes-ccteam/source/browse/trunk/CCFC/files/CCSound.m
github地址: https://github.com/cxsjabc/iphone-common-codes-ccteam/tree/master/CCFC/files/CCSound.m