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

User · Answer

I created a UIImageView category for this, based on some of the answers above.

Header File:

@interface UIImageView (SaveImage) <UIActionSheetDelegate>
- (void)addHoldToSave;
@end

Implementation

@implementation UIImageView (SaveImage)
- (void)addHoldToSave{
    UILongPressGestureRecognizer* longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];
    longPress.minimumPressDuration = 1.0f;
    [self addGestureRecognizer:longPress];
}

-  (void)handleLongPress:(UILongPressGestureRecognizer*)sender {
    if (sender.state == UIGestureRecognizerStateEnded) {

        UIActionSheet* _attachmentMenuSheet = [[UIActionSheet alloc] initWithTitle:nil
                                                                          delegate:self
                                                                 cancelButtonTitle:@"Cancel"
                                                            destructiveButtonTitle:nil
                                                                 otherButtonTitles:@"Save Image", nil];
        [_attachmentMenuSheet showInView:[[UIView alloc] initWithFrame:self.frame]];
    }
    else if (sender.state == UIGestureRecognizerStateBegan){
        //Do nothing
    }
}
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
    if  (buttonIndex == 0) {
        UIImageWriteToSavedPhotosAlbum(self.image, nil,nil, nil);
    }
}


@end

Now simply call this function on your imageview:

[self.imageView addHoldToSave];

Optionally you can alter the minimumPressDuration parameter.

User · Answer

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 lt  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

User · Answer

In Swift          Save it to the camera roll   saved photo album        UIImageWriteToSavedPhotosAlbum self myUIImageView image  nil  nil  nil  or      UIImageWriteToSavedPhotosAlbum self myUIImageView image  self   image didFinishSavingWithError contextInfo    nil       func image image  UIImage   didFinishSavingWithError error  NSError   contextInfo  AnyObject                 if  error    nil                       Something wrong happened                else                      Everything is alright

User · Answer

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 UIImage is done saving  otherwise you can pass in nil   See the official documentation for UIImageWriteToSavedPhotosAlbum

User · Answer

For Swift 5 0 I used this code to copy images to photo albums my application had created  When I want to copy images files I call  quot startSavingPhotoAlbume   quot  function  First I get UIImage from App folder then save it to photo albums  Because it is irrelevant I dont show how to read image from App folder  var saveToPhotoAlbumCounter   0    func startSavingPhotoAlbume        saveToPhotoAlbumCounter   0     saveToPhotoAlbume      func saveToPhotoAlbume          let image   loadImageFile fileName  imagefileList saveToPhotoAlbumCounter   folderName  folderName      UIImageWriteToSavedPhotosAlbum image   self   selector image   didFinishSavingWithError contextInfo     nil      objc func image   image  UIImage  didFinishSavingWithError error  NSError   contextInfo  UnsafeRawPointer        if  error    nil            print  quot ptoto albume savin error for   imageFileList saveToPhotoAlbumCounter   quot         else                    if saveToPhotoAlbumCounter  lt  imageFileList count - 1               saveToPhotoAlbumCounter    1             saveToPhotoAlbume             else               print  quot saveToPhotoAlbume is finished with   saveToPhotoAlbumCounter  files quot

User · Answer

Just pass the images from an array to it like so  - void  saveMePlease      Loop through the array here for  int i 0 i lt  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

User · Answer

You can use this  dispatch async dispatch get global queue DISPATCH QUEUE PRIORITY DEFAULT  0         UIImageWriteToSavedPhotosAlbum img image  nil  nil  nil

User · Answer

For Swift 5 0 I used this code to copy images to photo albums my application had created  When I want to copy images files I call  quot startSavingPhotoAlbume   quot  function  First I get UIImage from App folder then save it to photo albums  Because it is irrelevant I dont show how to read image from App folder  var saveToPhotoAlbumCounter   0    func startSavingPhotoAlbume        saveToPhotoAlbumCounter   0     saveToPhotoAlbume      func saveToPhotoAlbume          let image   loadImageFile fileName  imagefileList saveToPhotoAlbumCounter   folderName  folderName      UIImageWriteToSavedPhotosAlbum image   self   selector image   didFinishSavingWithError contextInfo     nil      objc func image   image  UIImage  didFinishSavingWithError error  NSError   contextInfo  UnsafeRawPointer        if  error    nil            print  quot ptoto albume savin error for   imageFileList saveToPhotoAlbumCounter   quot         else                    if saveToPhotoAlbumCounter  lt  imageFileList count - 1               saveToPhotoAlbumCounter    1             saveToPhotoAlbume             else               print  quot saveToPhotoAlbume is finished with   saveToPhotoAlbumCounter  files quot

User · Answer

homeDirectoryPath   NSHomeDirectory    unexpandedPath    homeDirectoryPath stringByAppendingString    Pictures      folderPath    NSString pathWithComponents  NSArray arrayWithObjects  NSString stringWithString  unexpandedPath stringByExpandingTildeInPath    nil     unexpandedImagePath    folderPath stringByAppendingString    image png     imagePath    NSString pathWithComponents  NSArray arrayWithObjects  NSString stringWithString  unexpandedImagePath stringByExpandingTildeInPath    nil     if     NSFileManager defaultManager  fileExistsAtPath folderPath isDirectory NULL           NSFileManager defaultManager  createDirectoryAtPath folderPath attributes nil

User · Answer

homeDirectoryPath   NSHomeDirectory    unexpandedPath    homeDirectoryPath stringByAppendingString    Pictures      folderPath    NSString pathWithComponents  NSArray arrayWithObjects  NSString stringWithString  unexpandedPath stringByExpandingTildeInPath    nil     unexpandedImagePath    folderPath stringByAppendingString    image png     imagePath    NSString pathWithComponents  NSArray arrayWithObjects  NSString stringWithString  unexpandedImagePath stringByExpandingTildeInPath    nil     if     NSFileManager defaultManager  fileExistsAtPath folderPath isDirectory NULL           NSFileManager defaultManager  createDirectoryAtPath folderPath attributes nil

User · Answer

Swift 4  func writeImage image  UIImage        UIImageWriteToSavedPhotosAlbum image  self   selector self finishWriteImage   nil      objc private func finishWriteImage   image  UIImage  didFinishSavingWithError error  NSError   contextInfo  UnsafeRawPointer        if  error    nil               Something wrong happened          print  error occurred    String describing  error           else              Everything is alright          print  saved success

User · Answer

In Swift 2 2  UIImageWriteToSavedPhotosAlbum image  UIImage    completionTarget  AnyObject     completionSelector  Selector    contextInfo  UnsafeMutablePointer lt Void gt     If you do not want to be notified when the image is done saving then you may pass nil in the completionTarget  completionSelector and contextInfo parameters   Example   UIImageWriteToSavedPhotosAlbum image  self   selector self imageSaved   didFinishSavingWithError contextInfo     nil   func imageSaved image  UIImage   didFinishSavingWithError error  NSError   contextInfo  AnyObject             if  error    nil                   Something wrong happened            else                  Everything is alright                    The important thing to note here is that your method that observes the image saving should have these 3 parameters else you will run into NSInvocation errors    Hope it helps

User · Answer

One thing to remember  If you use a callback  make sure that your selector conforms to the following form   -  void  image   UIImage    image didFinishSavingWithError   NSError    error contextInfo   void    contextInfo    Otherwise  you ll crash with an error such as the following    NSInvocation setArgument atIndex    index  2  out of bounds  -1  1

User · Answer

Below function would work  You can copy from here and paste there     - void savePhotoToAlbum  UIImage  imageToSave        CGImageRef imageRef   imageToSave CGImage      NSDictionary  metadata    NSDictionary new      you can add     ALAssetsLibrary  library     ALAssetsLibrary alloc  init         library writeImageToSavedPhotosAlbum imageRef metadata metadata completionBlock   NSURL  assetURL NSError  error           if error                NSLog   Image save eror

User · Answer

When saving an array of photos  don t use a for loop  do the following  - void saveToAlbum      self performSelectorInBackground  selector startSavingToAlbum  withObject nil     - void startSavingToAlbum     currentSavingIndex   0     UIImage  img   arrayOfPhoto currentSavingIndex    get your image    UIImageWriteToSavedPhotosAlbum img  self   selector image didFinishSavingWithError contextInfo    nil     -  void image   UIImage    image didFinishSavingWithError   NSError    error contextInfo   void    contextInfo    can also handle error message as well    currentSavingIndex        if  currentSavingIndex  gt   arrayOfPhoto count           return    notify the user it s done          else             UIImage  img   arrayOfPhoto currentSavingIndex          UIImageWriteToSavedPhotosAlbum img  self   selector image didFinishSavingWithError contextInfo    nil

User · Answer

I created a UIImageView category for this, based on some of the answers above.

Header File:

@interface UIImageView (SaveImage) <UIActionSheetDelegate>
- (void)addHoldToSave;
@end

Implementation

@implementation UIImageView (SaveImage)
- (void)addHoldToSave{
    UILongPressGestureRecognizer* longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];
    longPress.minimumPressDuration = 1.0f;
    [self addGestureRecognizer:longPress];
}

-  (void)handleLongPress:(UILongPressGestureRecognizer*)sender {
    if (sender.state == UIGestureRecognizerStateEnded) {

        UIActionSheet* _attachmentMenuSheet = [[UIActionSheet alloc] initWithTitle:nil
                                                                          delegate:self
                                                                 cancelButtonTitle:@"Cancel"
                                                            destructiveButtonTitle:nil
                                                                 otherButtonTitles:@"Save Image", nil];
        [_attachmentMenuSheet showInView:[[UIView alloc] initWithFrame:self.frame]];
    }
    else if (sender.state == UIGestureRecognizerStateBegan){
        //Do nothing
    }
}
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
    if  (buttonIndex == 0) {
        UIImageWriteToSavedPhotosAlbum(self.image, nil,nil, nil);
    }
}


@end

Now simply call this function on your imageview:

[self.imageView addHoldToSave];

Optionally you can alter the minimumPressDuration parameter.

User · Answer

In Swift          Save it to the camera roll   saved photo album        UIImageWriteToSavedPhotosAlbum self myUIImageView image  nil  nil  nil  or      UIImageWriteToSavedPhotosAlbum self myUIImageView image  self   image didFinishSavingWithError contextInfo    nil       func image image  UIImage   didFinishSavingWithError error  NSError   contextInfo  AnyObject                 if  error    nil                       Something wrong happened                else                      Everything is alright

User · Answer

Deprecated in iOS 9 0   There s much more fast then UIImageWriteToSavedPhotosAlbum way to do it using iOS 4 0  AssetsLibrary 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

User · Answer

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 UIImage is done saving  otherwise you can pass in nil   See the official documentation for UIImageWriteToSavedPhotosAlbum

User · Answer

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 UIImage is done saving  otherwise you can pass in nil   See the official documentation for UIImageWriteToSavedPhotosAlbum

User · Answer

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 lt  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

User · Answer

Deprecated in iOS 9 0   There s much more fast then UIImageWriteToSavedPhotosAlbum way to do it using iOS 4 0  AssetsLibrary 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

User · Answer

When saving an array of photos  don t use a for loop  do the following  - void saveToAlbum      self performSelectorInBackground  selector startSavingToAlbum  withObject nil     - void startSavingToAlbum     currentSavingIndex   0     UIImage  img   arrayOfPhoto currentSavingIndex    get your image    UIImageWriteToSavedPhotosAlbum img  self   selector image didFinishSavingWithError contextInfo    nil     -  void image   UIImage    image didFinishSavingWithError   NSError    error contextInfo   void    contextInfo    can also handle error message as well    currentSavingIndex        if  currentSavingIndex  gt   arrayOfPhoto count           return    notify the user it s done          else             UIImage  img   arrayOfPhoto currentSavingIndex          UIImageWriteToSavedPhotosAlbum img  self   selector image didFinishSavingWithError contextInfo    nil

User · Answer

You can use this  dispatch async dispatch get global queue DISPATCH QUEUE PRIORITY DEFAULT  0         UIImageWriteToSavedPhotosAlbum img image  nil  nil  nil

User · Answer

The simplest way is   UIImageWriteToSavedPhotosAlbum myUIImage  nil  nil  nil     For Swift  you can refer to Saving to the iOS photo library using swift

User · Answer

Just pass the images from an array to it like so  - void  saveMePlease      Loop through the array here for  int i 0 i lt  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

User · Answer

Swift 4  func writeImage image  UIImage        UIImageWriteToSavedPhotosAlbum image  self   selector self finishWriteImage   nil      objc private func finishWriteImage   image  UIImage  didFinishSavingWithError error  NSError   contextInfo  UnsafeRawPointer        if  error    nil               Something wrong happened          print  error occurred    String describing  error           else              Everything is alright          print  saved success

User · Answer

One thing to remember  If you use a callback  make sure that your selector conforms to the following form   -  void  image   UIImage    image didFinishSavingWithError   NSError    error contextInfo   void    contextInfo    Otherwise  you ll crash with an error such as the following    NSInvocation setArgument atIndex    index  2  out of bounds  -1  1

User · Answer

Below function would work  You can copy from here and paste there     - void savePhotoToAlbum  UIImage  imageToSave        CGImageRef imageRef   imageToSave CGImage      NSDictionary  metadata    NSDictionary new      you can add     ALAssetsLibrary  library     ALAssetsLibrary alloc  init         library writeImageToSavedPhotosAlbum imageRef metadata metadata completionBlock   NSURL  assetURL NSError  error           if error                NSLog   Image save eror

User · Answer

The simplest way is   UIImageWriteToSavedPhotosAlbum myUIImage  nil  nil  nil     For Swift  you can refer to Saving to the iOS photo library using swift

User · Answer

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 UIImage is done saving  otherwise you can pass in nil   See the official documentation for UIImageWriteToSavedPhotosAlbum

User · Answer

In Swift 2 2  UIImageWriteToSavedPhotosAlbum image  UIImage    completionTarget  AnyObject     completionSelector  Selector    contextInfo  UnsafeMutablePointer lt Void gt     If you do not want to be notified when the image is done saving then you may pass nil in the completionTarget  completionSelector and contextInfo parameters   Example   UIImageWriteToSavedPhotosAlbum image  self   selector self imageSaved   didFinishSavingWithError contextInfo     nil   func imageSaved image  UIImage   didFinishSavingWithError error  NSError   contextInfo  AnyObject             if  error    nil                   Something wrong happened            else                  Everything is alright                    The important thing to note here is that your method that observes the image saving should have these 3 parameters else you will run into NSInvocation errors    Hope it helps

[ios] How to save picture to iPhone photo library?

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