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POHow to save photo with EXIF(GPS) AND orientation on iPhone?
 

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  1. POHow to save photo with EXIF(GPS) AND orientation on iPhone?
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    <p>I'm using <a href="http://developer.apple.com/library/ios/documentation/AssetsLibrary/Reference/ALAssetsLibrary_Class/Reference/Reference.html#//apple_ref/occ/instm/ALAssetsLibrary/writeImageToSavedPhotosAlbum:metadata:completionBlock:" rel="noreferrer">writeImageToSavedPhotosAlbum:metadata:completionBlock:</a> to save images to the camera roll (GPS data is in dictionary passed to metadata). However pictures are misoriented (as I flip the device while taking the pictures). </p> <p>There's another function writeImageToSavedPhotosAlbum:orientation:completionBlock: but I won't be able to pass EXIF data.</p> <p>According to the documentation, there's <a href="http://developer.apple.com/library/mac/documentation/GraphicsImaging/Reference/CGImageProperties_Reference/Reference/reference.html#//apple_ref/doc/c_ref/kCGImagePropertyOrientation" rel="noreferrer">kCGImagePropertyOrientation</a> property to set orientation manually but I'm having problems with detecting current orientation of the device while taking the picture and saving it.</p> <p>Has anyone achieved saving picture with EXIF data and proper orientation? Any help would be very appreciated.</p> <p>Here's my code:</p> <pre><code>- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { image = [info objectForKey:@"UIImagePickerControllerOriginalImage"]; [self dismissModalViewControllerAnimated:YES]; [imageView setImage:image]; if(sourceCamera) { //EXIF and GPS metadata dictionary (...) //saving image ALAssetsLibrary *al = [[ALAssetsLibrary alloc] init]; [al writeImageToSavedPhotosAlbum:[image CGImage] metadata:dict completionBlock:^(NSURL *assetURL, NSError *error) { if (error == nil) { NSLog(@"saved"); } else { NSLog(@"error"); } }]; [al release]; } } </code></pre> <p>Best wishes,</p> <p>a.</p>
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