Get the Last Photo

lastPhoto

// Link Against Assets Library
// #import <AssetsLibrary/AssetsLibrary.h>

ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
    
    // Enumerate just the photos and videos group by using ALAssetsGroupSavedPhotos.
    [library enumerateGroupsWithTypes:ALAssetsGroupSavedPhotos usingBlock:^(ALAssetsGroup *group, BOOL *stop)
    {        
        // Within the group enumeration block, filter to enumerate just photos.
        [group setAssetsFilter:[ALAssetsFilter allPhotos]];
        
        if (group)
        {
            if ([group numberOfAssets] > 0)
            {
                [group enumerateAssetsWithOptions:NSEnumerationReverse usingBlock:^(ALAsset *asset, NSUInteger index, BOOL *stop)
                 {
                     if (asset)
                     {
                         ALAssetRepresentation *representation = [asset defaultRepresentation];
                         ALAssetOrientation orientation = [representation orientation];
                         UIImage *latestPhoto = [UIImage imageWithCGImage:[representation fullResolutionImage] scale:[representation scale] orientation:(UIImageOrientation)orientation];
                         
                         // resize the photo
                         latestPhoto = [latestPhoto resizedImageWithContentMode:UIViewContentModeScaleAspectFill bounds:self.imagePickerView.frame.size interpolationQuality:kCGInterpolationHigh];
                         
                         // post a notification with the image
                         [[NSNotificationCenter defaultCenter] postNotificationName:@"User Chose Image For Image View Element" object:self.imagePickerView userInfo:@{@"image":latestPhoto}];
                         
                         *stop = YES;
                     }
                 }];
            } else
            {
                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"No Photos"
                                                                message:@"It appears you do not have any photos"
                                                               delegate:nil
                                                      cancelButtonTitle:@"Okay"
                                                      otherButtonTitles:nil, nil];
                [alert show];
            }
        }
    } failureBlock: ^(NSError *error) {
        // Typically you should handle an error more gracefully than this.
        NSLog(@"error: %@", error);
    }];