GetPathToImage Xamarin's implementation

GetPathToImage.cs

protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
    if ((requestCode == PickImageId) && (resultCode == Result.Ok) && (data != null))
    {
        Uri uri = data.Data;
        _imageView.SetImageURI(uri);

        string path = GetPathToImage(uri);
        Toast.MakeText(this, path, ToastLength.Long);
    }
}


private string GetPathToImage(Uri uri)
{
    string path = null;
    // The projection contains the columns we want to return in our query.
    string[] projection = new[] { Android.Provider.MediaStore.Images.Media.InterfaceConsts.Data };
    using (ICursor cursor = ManagedQuery(uri, projection, null, null, null))
    {
        if (cursor != null)
        {
            int columnIndex = cursor.GetColumnIndexOrThrow(Android.Provider.MediaStore.Images.Media.InterfaceConsts.Data);
            cursor.MoveToFirst();
            path = cursor.GetString(columnIndex);
        }
    }
    return path;
}