UIImagePickerController相机不保存照片库中的照片

Question

Has anyone ever had this problem before? I'm using the UIImagePickerController Camera to take photos with my application, and I noticed the photos are not being stored in the photo library after being taken. I've tried it both on iOS5 with the iPhone4 and iOS6 with the iPhone5 and same result. Here is how I'm setting it up:

UIImagePickerController *imagePickerController = [[UIImagePickerController alloc] init];
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
{
    imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
}

imagePickerController.delegate = self;
[self.navigationController presentModalViewController:imagePickerController animated:YES];
[imagePickerController release];

Seems as though the UIImagePickerController should implicitly save a photo that's taken to the users photo library? Any help would be appreciated thanks.

Answer 1

Try following code.

-(IBAction)useCamera
{
 if ([UIImagePickerController isSourceTypeAvailable:
      UIImagePickerControllerSourceTypeCamera])
 {
  UIImagePickerController *imagePicker =
  [[UIImagePickerController alloc] init];
  imagePicker.delegate = self;
  imagePicker.sourceType =
  UIImagePickerControllerSourceTypeCamera;
  imagePicker.mediaTypes = [NSArray arrayWithObjects:
                            (NSString *) kUTTypeImage,
                            nil];
  imagePicker.allowsEditing = NO;
  [self presentViewController:imagePicker animated:YES completion:nil];
  newMedia = YES;
 }
}

#pragma mark- camera picker delegate methods

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
 NSString *mediaType = [info
                        objectForKey:UIImagePickerControllerMediaType];

 [self dismissViewControllerAnimated:YES completion:nil];

 if ([mediaType isEqualToString:(NSString *)kUTTypeImage]) {
  UIImage *image = [info
                    objectForKey:UIImagePickerControllerOriginalImage];

  [imageView setAutoresizingMask:(UIViewAutoresizingFlexibleHeight|UIViewAutoresizingFlexibleWidth)];
  imageView.image = image;
  if (newMedia)
   UIImageWriteToSavedPhotosAlbum(image,
                                  self,
                                  @selector(image:finishedSavingWithError:contextInfo:),
                                  nil);
 }
 else if ([mediaType isEqualToString:(NSString *)kUTTypeMovie])
 {
  // Code here to support video if enabled
 }
}

-(void)image:(UIImage *)image
finishedSavingWithError:(NSError *)error
 contextInfo:(void *)contextInfo
{
 if (error) {
  UIAlertView *alert = [[UIAlertView alloc]
                        initWithTitle: @"Save failed"
                        message: @"Failed to save image"\
                        delegate: nil
                        cancelButtonTitle:@"OK"
                        otherButtonTitles:nil];
  [alert show];
 }
}

Pick photo from camera and store it to ImageView and call save method to save it to camera roll. May this will help

Answer 2

Have you implemented the methods of UIImagePickerControllerDelegate methods?

The most important method is the didFinishPickingMediaWithInfo which is called when the user has finished taking or selecting an image.

link : http://www.techotopia.com/index.php/An_Example_iOS_4_iPad_Camera_and_UIImagePickerController_Application_%28Xcode_4%29