控制器1:
#import "ViewController.h"
#import <AssetsLibrary/AssetsLibrary.h>//资产库框架
#import <MobileCoreServices/MobileCoreServices.h>//移动核心服务框架
//设置委托协议
@interface ViewController ()<UIImagePickerControllerDelegate,
UINavigationControllerDelegate>
//拍照
- (IBAction)takePhoto:(UIButton *)sender;
//拍摄视频
- (IBAction)shootVideo:(UIButton *)sender;
//选取照片
- (IBAction)selectPhotos:(UIButton *)sender;
//图像选择控制器
@property(nonatomic,strong)UIImagePickerController *picker;
@end
@implementation Vi