UIImagePickerController Delegate Methods

imagePickerControllerDelegate

#pragma mark -
#pragma mark UIImagePickerController Delegate Methods

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    // dismiss the picker
    if (self.popover)
    {
        [self.popover dismissPopoverAnimated:YES];
        self.popover = nil;
    } else
    {
        [picker dismissViewControllerAnimated:YES completion:nil];
    }
    
    // get the edited image from the picker
    UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];
    
    // if we didn't get an edited image back, check for an original image
    if (!image) image = [info objectForKey:UIImagePickerControllerOriginalImage];
    
    // if we still don't have an image, check for what was in the crop rectangle
    if (!image) image = [info objectForKey:UIImagePickerControllerCropRect];
    
// if the user took a picture, save it to their photo roll
    if (picker.sourceType == UIImagePickerControllerSourceTypeCamera)
    {
        ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
        
        [library writeImageToSavedPhotosAlbum:[image CGImage] orientation:(ALAssetOrientation)[image imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
            if (error)
            {
                NSLog(@"Error saving the picture: %@", error);
            }
        }];
    }

    // resize the image before sending it back
    image = [image 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":image}];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
    [picker dismissViewControllerAnimated:YES completion:nil];
}