array of images in document directory - ios

Question

I have select multiple images from iPhone through ELC controller. The images are stored in array now I want to store this array of images in document directory so please help me someone..
- (void)elcImagePickerController:(ELCImagePickerController *)picker didFinishPickingMediaWithInfo:(NSArray *)info
{
if ([self respondsToSelector:#selector(dismissViewControllerAnimated:completion:)]){
[self dismissViewControllerAnimated:YES completion:nil];
} else {
[self dismissModalViewControllerAnimated:YES];
}
for (UIView *v in [_scrollView subviews]) {
[v removeFromSuperview];
}
CGRect workingFrame = _scrollView.frame;
workingFrame.origin.x = 0;
NSMutableArray *images = [NSMutableArray arrayWithCapacity:[info count]];
for(NSDictionary *dict in info) {
UIImage *image = [dict objectForKey:UIImagePickerControllerOriginalImage];
[images addObject:image];
UIImageView *imageview = [[UIImageView alloc] initWithImage:image];
[imageview setContentMode:UIViewContentModeScaleAspectFit];
imageview.frame = workingFrame;
[_scrollView addSubview:imageview];
[imageview release];
workingFrame.origin.x = workingFrame.origin.x + workingFrame.size.width;
}
self.chosenImages = images;
NSLog(#"values=%#",_chosenImages);
[_scrollView setPagingEnabled:YES];
[_scrollView setContentSize:CGSizeMake(workingFrame.origin.x, workingFrame.size.height)];
}

Answer 1

For each of the images in the images array, write to the file file one by one.
NSString *aDocumentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSInteger anIndex = 0;
for (UIImage *anImage in images) {
NSString *anImageName = [NSString stringWithFormat:#"%d.png", anIndex++];
NSString *anImagePath = [NSString stringWithFormat:#"%#/%#", aDocumentsDirectory, anImageName];
NSData *anImageData = UIImagePNGRepresentation(anImage);
[anImageData writeToFile:anImagePath atomically:YES];
}
2.. When you extract the Original Image, save image to file right there.
NSString *aDocumentsDirectory = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSInteger anIndex = 0;
for(NSDictionary *dict in info) {
UIImage *image = [dict objectForKey:UIImagePickerControllerOriginalImage];
[images addObject:image];
UIImageView *imageview = [[UIImageView alloc] initWithImage:image];
[imageview setContentMode:UIViewContentModeScaleAspectFit];
imageview.frame = workingFrame;
[_scrollView addSubview:imageview];
[imageview release];
workingFrame.origin.x = workingFrame.origin.x + workingFrame.size.width;
// Save Image
NSString *anImageName = [NSString stringWithFormat:#"%d.png", anIndex++];
NSString *anImagePath = [NSString stringWithFormat:#"%#/%#", aDocumentsDirectory, anImageName];
NSData *anImageData = UIImagePNGRepresentation(image);
[anImageData writeToFile:anImagePath atomically:YES];
}