How to save picture to iPhone photo library?

Question

What do I need to do to save an image my program has generated (possibly from the camera, possibly not) to the system photo library on the iPhone?

Answer 1

You can use this function:

UIImageWriteToSavedPhotosAlbum(UIImage *image, id completionTarget, SEL completionSelector, void *contextInfo);

You only need completionTarget, completionSelector and contextInfo if you want to be notified when the image is done saving, otherwise you can pass in nil.

More info here

Answer 2

i used this method but in my case i have two individual images and smaller one is over the bigger image. and now the view i am looking on the screen of the iPhone, i want to save it as a single image.

this method takes only a single image object. suggest me how can i take a single image which is a mixture of multiple images.

relpy plz

Answer 3

need reply for how to save multiple images in a single images and save to photo library

Answer 4

Just pass the images from an array to it like so

-(void) saveMePlease {

//Loop through the array here
for (int i=0:i<[arrayOfPhotos count]:i++){
         NSString *file = [arrayOfPhotos objectAtIndex:i];
         NSString *path = [get the path of the image like you would in DOCS FOLDER or whatever];
         NSString *imagePath = [path stringByAppendingString:file];
         UIImage *image = [[[UIImage alloc] initWithContentsOfFile:imagePath]autorelease];

         //Now it will do this for each photo in the array
         UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);
        }
}

Sorry for typo's kinda just did this on the fly but you get the point

Answer 5

I m little late to this post... but user184859 did u get the solution?? i m havng same problem, want to a single image having multiple images.

Answer 6

my last answer will do it..

for each image you want to save, add it to a NSMutableArray

    //in the .h file put:

NSMutableArray *myPhotoArray;


///then in the .m

- (void) viewDidLoad {

 myPhotoArray = [[NSMutableArray alloc]init];



}

//However Your getting images

- (void) someOtherMethod { 

 UIImage *someImage = [your prefered method of using this];
[myPhotoArray addObject:someImage];

}

-(void) saveMePlease {

//Loop through the array here
for (int i=0:i<[myPhotoArray count]:i++){
         NSString *file = [myPhotoArray objectAtIndex:i];
         NSString *path = [get the path of the image like you would in DOCS FOLDER or whatever];
         NSString *imagePath = [path stringByAppendingString:file];
         UIImage *image = [[[UIImage alloc] initWithContentsOfFile:imagePath]autorelease];

         //Now it will do this for each photo in the array
         UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);
        }
}

Answer 7

There`s much more fast then UIImageWriteToSavedPhotosAlbum way to do it using iOS 4.0+ AVFoundation framework

    ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];

    [library writeImageToSavedPhotosAlbum:[image CGImage] orientation:(ALAssetOrientation)[image imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
    if (error) {
    // TODO: error handling
    } else {
    // TODO: success handling
    }
}];
[library release];