u011056389的专栏

实现步骤： 1.新建一个ViewController Class ，jic

@interface MainViewController () @property (strong,nonatomic)AVCaptureVideoPreviewLayer * preview; @end

http://laiguowei2004.blog.163.com/blog/static/36829000201262710191770/

@interface CapturePicViewController () @property(nonatomic,retain) UIImagePickerController *imgPickerCtl; @end @implementation CapturePicViewController @synthesize imgPickerCtl; - (id)initWithNibName