Ios 缺少日期的EXIF属性
我正在创建一个图像，其属性来自包装在NSData对象中的JPEG数据。我似乎在设置EXIF数据中的date属性时遇到问题Ios 缺少日期的EXIF属性,ios,core-image,Ios,Core Image,我正在创建一个图像，其属性来自包装在NSData对象中的JPEG数据。我似乎在设置EXIF数据中的date属性时遇到问题 NSString *dateString = [NSDateFormatter localizedStringFromDate:[NSDate date] dateStyle:NSDateFormatterMediumStyle timeStyle:NSDateFormatterMediumStyle]; [EXIFDictionary setValue:dateString
NSString *dateString = [NSDateFormatter localizedStringFromDate:[NSDate date] dateStyle:NSDateFormatterMediumStyle timeStyle:NSDateFormatterMediumStyle];
[EXIFDictionary setValue:dateString forKey:(NSString *)kCGImagePropertyExifDateTimeOriginal];
[EXIFDictionary setValue:dateString forKey:(NSString *)kCGImagePropertyExifDateTimeDigitized];
[EXIFDictionary setValue:@"My comment" forKey:(NSString *)kCGImagePropertyExifCameraOwnerName];
[metadata setObject:EXIFDictionary forKey:(NSString *)kCGImagePropertyExifDictionary];