protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.list_startscreen);
deleteDirectoryContent(ArchitectView.GetCacheDirectoryAbsoluteFilePath(this));
var values = getListLabels();
this.ListAdapter = new ArrayAdapter <string> (this, Android.Resource.Layout.SimpleListItem1, Android.Resource.Id.Text1, values);
var buttonLaunchUrl = FindViewById <Button> (Resource.Id.buttonLaunchUrl);
buttonLaunchUrl.Click += (sender, e) => StartActivity(typeof(ARchitectUrlLauncherActivity));
}