private StackLayout ObterConteudo() { AcharButton = new Button { Text = "achar catioro fofo", FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)), VerticalOptions = LayoutOptions.CenterAndExpand }; PostarButton = new Button { Text = "postar!", FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)), VerticalOptions = LayoutOptions.CenterAndExpand }; LegendaEntry = new Entry { Placeholder = "entre com uma legenda", FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)), VerticalOptions = LayoutOptions.CenterAndExpand }; FotoImage = new Image { WidthRequest = 100, HeightRequest = 100 }; PostarButton.IsEnabled = false; PostarButton.IsVisible = false; AcharButton.Clicked += async(sender, args) => { if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsPickPhotoSupported) { await DisplayAlert("No Camera", ":( No camera avaialble.", "OK"); return; } File = await CrossMedia.Current.PickPhotoAsync(new PickMediaOptions() { CompressionQuality = 50 }); if (File == null) { return; } PostarButton.IsEnabled = true; PostarButton.IsVisible = true; AcharButton.Text = "trocar catioro fofo"; FotoImage.Source = ImageSource.FromStream(ObterStream); }; PostarButton.Clicked += async(sender, args) => { PostModel post = new PostModel(Stream) { Legenda = LegendaEntry.Text, Usuario = PostViewModel.Usuario }; var postFinal = new PostModel(); postFinal = await PostRepository.SalvarPost(post); PostViewModel.InserirPost(postFinal); var expViewCode = new ExpViewCS(PostViewModel); MainPage.CurrentPage = MainPage.Children[0]; return; }; return(new StackLayout { Padding = new Thickness(0, 0, 0, 0), Orientation = StackOrientation.Vertical, Children = { AcharButton, PostarButton, FotoImage, LegendaEntry } }); }