iOS - save image in jpg format
image, ios, objective-c
Solution
Following is piece of code for save .jpg image
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES);
NSString *docs = [paths objectAtIndex:0];
NSString* path = [docs stringByAppendingFormat:@"/image1.jpg"];
NSData* imageData = [NSData dataWithData:UIImageJPEGRepresentation(imageView.image, 80)];
NSError *writeError = nil;
[imageData writeToFile:path options:NSDataWritingAtomic error:&writeError];
Problem
My question is what format the image is saved, if is dat or jpg. This is the code that i used: ``` NSString * urlImage = .....; NSString * _folderPath = .....; NSString * imageName = [[urlImage componentsSeparatedByString:@"/"] lastObject]; NSString * jpegPath = [NSString stringWithFormat:@"%@%@",_folderPath,imageName]; if (![[NSFileManager defaultManager] fileExistsAtPath:jpegPath]) { NSURL *url = [NSURL URLWithString:urlImage]; //Download image UIImage *image = [[UIImage alloc] initWithData:[NSData dataWithContentsOfURL:url]]; //Save image NSData *data = [NSData dataWithData:UIImageJPEGRepresentation(image, 1.0f)];//1.0f = 100% quality [data writeToFile:jpegPath atomically:YES]; } ```