在iphone app中添加音量控制条
1. 添加MediaPlayer.framework
2. #import <MediaPlayer/MPVolumeView.h>
3. 代码
MPVolumeView *volumeView = [[[MPVolumeView alloc] initWithFrame:CGRectMake(18, 380, 284, 23)] autorelease]; volumeView.center = CGPointMake(160,380); [volumeView sizeToFit]; [self.view addSubview:volumeView];