kCGImagePropertyExifDictionary 引用错误
使用 AVFoundation拍照
//获取图片 [outputImage captureStillImageAsynchronouslyFromConnection:videoConnection completionHandler:^(CMSampleBufferRef imageSampleBuffer, NSError *error) { CFDictionaryRef exifAttachments = CMGetAttachment(imageSampleBuffer, kCGImagePropertyExifDictionary, nil); if (exifAttachments) { } // 获取图片数据 NSData *imageData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageSampleBuffer]; UIImage *thePhoto = [[[UIImage alloc] initWithData:imageData] autorelease]; smallInfoImage.image = thePhoto; //保存图片到本地及数据库; [self writeImageToFile:thePhoto]; }];
错误:kCGImagePropertyExifDictionary", referenced from
修复方法:
添加库
- ImageIO.framework
-
#import <ImageIO/CGImageProperties.h>