private async void FillData()
        {
            MobileServiceRepository repo = new MobileServiceRepository();
            List <string>           list = await repo.GetPosts();

            ArrayAdapter <string> adapter = new ArrayAdapter <string> (this, Resource.Layout.ListViewItem, list);

            listViewPosts.Adapter = adapter;
        }
        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            SetContentView(Resource.Layout.AddPost);

            buttonSend              = FindViewById <Button> (Resource.Id.buttonSend);
            editTextPost            = FindViewById <EditText> (Resource.Id.editTextPost);
            progressBar1            = FindViewById <ProgressBar> (Resource.Id.progressBar1);
            progressBar1.Visibility = ViewStates.Invisible;
            MobileServiceRepository repo = new MobileServiceRepository();

            buttonSend.Click += async delegate {
                await repo.AddPost(editTextPost.Text);

                progressBar1.Visibility = ViewStates.Visible;
                StartActivity(typeof(MainActivity));
            };
            // Create your application here
        }