protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
// set up the image loader
imageLoader = ImageLoader.Instance;
options = new DisplayImageOptions.Builder()
.CacheInMemory(true)
.Build();
// to display a preview
imageView = FindViewById <PhotoView>(Resource.Id.imageView);
// create the Thumbor instance pointing to the Thumbor server
thumbor = Thumbor.Create("http://thumbor.thumborize.me/");
// give us an image to start off with
GetImage(Resource.Id.resize, GetString(Resource.String.resize));
}