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POGps exif data not saved when using WriteImageToSavedPhotosAlbum
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copied!<p>basically I am using the example code from <a href="http://docs.xamarin.com/ios/recipes/Media/Video_and_Photos/Save_Photo_to_Album_with_Metadata" rel="nofollow">http://docs.xamarin.com/ios/recipes/Media/Video_and_Photos/Save_Photo_to_Album_with_Metadata</a></p> <p>when I would take a photo and check the files exif data (either through <a href="http://exifdata.com/" rel="nofollow">http://exifdata.com/</a> or Exif-Wizard on the Device), I noticed the exif data did not contain GPS information, so I manually collect the location information, format it, and add it to a dictionary and include that in the meta dictionaries as seen below.</p> <pre><code>btnCamera.Clicked += delegate { TweetStation.Camera.TakePicture (this, (obj) => { var photo = obj.ValueForKey (new NSString ("UIImagePickerControllerOriginalImage")) as UIImage; var meta = obj.ValueForKey (new NSString ("UIImagePickerControllerMediaMetadata")) as NSMutableDictionary; var gpsDict = new NSMutableDictionary (); ... gpsDict.SetValueForKey (NSObject.FromObject (GpsLong), new NSString ("GPSLongitude")); gpsDict.SetValueForKey (NSObject.FromObject (GpsLongRef), new NSString ("GPSLongitudeRef")); gpsDict.SetValueForKey (NSObject.FromObject (GpsLat), new NSString ("GPSLatitude")); gpsDict.SetValueForKey (NSObject.FromObject (GpsLatRef), new NSString ("GPSLatitudeRef")); gpsDict.SetValueForKey (NSObject.FromObject (DateTime.UtcNow.ToString ("HH:MM:ss.ff")), new NSString ("GPSTimeStamp")); meta.SetValueForKey (gpsDict, new NSString ("{GPS}")); Console.WriteLine (meta.Description); ALAssetsLibrary library = new ALAssetsLibrary (); library.WriteImageToSavedPhotosAlbum (photo.CGImage, meta, (assetUrl, error) => { if (error != null) { Console.WriteLine ("error: "+ error.ToString ()); } ): </code></pre> <p>Problem is, this doesn't seem to work, <code>if (error != null) {Console.WriteLine (error.ToString ());}</code> doesn't print any problems and in the <code>Console.WriteLine (meta.Description);</code> the output is as follows </p> <pre><code>{ DPIHeight = 72; DPIWidth = 72; Orientation = 6; "{Exif}" = { ApertureValue = "2.970853654340484"; BrightnessValue = "1.87496238139573"; ColorSpace = 1; DateTimeDigitized = "2012:08:02 17:12:42"; DateTimeOriginal = "2012:08:02 17:12:42"; ExposureMode = 0; ExposureProgram = 2; ExposureTime = "0.06666666666666667"; FNumber = "2.8"; Flash = 24; FocalLength = "3.85"; ISOSpeedRatings = ( 160 ); MeteringMode = 5; PixelXDimension = 2592; PixelYDimension = 1936; SceneType = 1; SensingMethod = 2; Sharpness = 2; ShutterSpeedValue = "3.911199862602335"; SubjectArea = ( 1295, 967, 699, 696 ); WhiteBalance = 0; }; "{GPS}" = { GPSLatitude = "30.35974270979283"; GPSLatitudeRef = N; GPSLongitude = "91.13930279830274"; GPSLongitudeRef = W; GPSTimeStamp = "22:08:44.66"; }; "{TIFF}" = { DateTime = "2012:08:02 17:12:42"; Make = Apple; Model = "iPhone 4"; Software = "5.0.1"; XResolution = 72; YResolution = 72; }; } </code></pre> <p>showing the gps data.</p> <p>So, I am curious as to what I am doing wrong, I am very new to monotouch (mac as well) so you'll forgive the general WTF'ery please.</p>

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