Beispiel #1
0
        protected override void OnDisappearing()
        {
            UploadingViewModel viewModel = (UploadingViewModel)BindingContext;

            if (viewModel.StopUploadCommand.CanExecute(null))
            {
                viewModel.StopUploadCommand.Execute(null);
            }

            base.OnDisappearing();
        }
Beispiel #2
0
        public UploadingPage()
        {
            Title          = ApplicationResource.PageUploadingTitle;
            BindingContext = new UploadingViewModel(Navigation);

            animationView = new AnimationView();
            animationView.SetBinding(AnimationView.IsPlayingProperty, new Binding("ShowAnimation"));
            animationView.SetBinding(AnimationView.IsVisibleProperty, new Binding("ShowAnimation"));
            animationView.SetBinding(AnimationView.AnimationProperty, new Binding("Animation"));
            animationView.SetBinding(AnimationView.LoopProperty, new Binding("ShouldLoopAnimation"));
            animationView.AutoPlay      = true;
            animationView.HeightRequest = animationView.WidthRequest = 200;
            animationView.Play();

            var heroImage = new Image();

            heroImage.HeightRequest = heroImage.WidthRequest = 200;
            heroImage.SetBinding(Image.SourceProperty, new Binding("HeroImage"));
            heroImage.SizeChanged += HeroImage_SizeChanged;

            var titleLabel = new Label()
            {
                WidthRequest            = 300,
                FontAttributes          = FontAttributes.Bold,
                TextColor               = Color.Black,
                HorizontalOptions       = LayoutOptions.Center,
                HorizontalTextAlignment = TextAlignment.Center
            };

            titleLabel.SetBinding(Label.TextProperty, new Binding("StatusTitle"));

            var messageLabel = new Label()
            {
                WidthRequest            = 300,
                TextColor               = Color.SlateGray,
                HorizontalOptions       = LayoutOptions.Center,
                HorizontalTextAlignment = TextAlignment.Center
            };

            messageLabel.SetBinding(Label.TextProperty, new Binding("StatusMessage"));

            var startButton = new Button()
            {
                HorizontalOptions = LayoutOptions.CenterAndExpand,
                FontAttributes    = FontAttributes.Bold,
                WidthRequest      = 180,
                HeightRequest     = 40,
                CornerRadius      = 20
            };

            startButton.SetBinding(Button.TextProperty, new Binding("UploadButtonText"));
            startButton.SetBinding(Button.TextColorProperty, new Binding("UploadButtonTextColor"));
            startButton.SetBinding(Button.BackgroundColorProperty, new Binding("UploadButtonColor"));
            startButton.SetBinding(Button.CommandProperty, new Binding("StartUploadCommand"));
            startButton.SetBinding(Button.IsEnabledProperty, new Binding("UploadButtonEnabled"));
            startButton.SetBinding(Button.IsVisibleProperty, new Binding("UploadEnabled"));

            AbsoluteLayout.SetLayoutBounds(startButton, new Rectangle(.5, 1, 180, 40));
            AbsoluteLayout.SetLayoutFlags(startButton, AbsoluteLayoutFlags.PositionProportional);

            uploadingLayout        = new RelativeLayout();
            uploadingLayout.Margin = new Thickness(40);

            uploadingLayout.Children.Add(animationView,
                                         Constraint.RelativeToParent((parent) =>
            {
                return((parent.Width * .5) - (heroImage.Width / 2));
            }),
                                         Constraint.RelativeToParent((parent) =>
            {
                return(parent.Height * .3 - (heroImage.Height / 2));
            })
                                         );
            uploadingLayout.Children.Add(heroImage,
                                         Constraint.RelativeToParent((parent) =>
            {
                return((parent.Width * .5) - (heroImage.Width / 2));
            }),
                                         Constraint.RelativeToParent((parent) =>
            {
                return(parent.Height * .3 - (heroImage.Height / 2));
            })
                                         );

            uploadingLayout.Children.Add(startButton,
                                         Constraint.RelativeToParent((parent) =>
            {
                return((parent.Width * .5) - (startButton.Width / 2));
            }),
                                         Constraint.RelativeToParent((parent) =>
            {
                return((parent.Height * .9) - startButton.Height);
            })
                                         );
            uploadingLayout.Children.Add(messageLabel,
                                         Constraint.RelativeToParent((parent) =>
            {
                return((parent.Width * .5) - (messageLabel.Width / 2));
            }),
                                         Constraint.RelativeToView(startButton, (parent, sibling) =>
            {
                return(startButton.Y - messageLabel.Height - 40);
            })
                                         );
            uploadingLayout.Children.Add(titleLabel,
                                         Constraint.RelativeToParent((parent) =>
            {
                return((parent.Width * .5) - (titleLabel.Width / 2));
            }),
                                         Constraint.RelativeToView(messageLabel, (parent, sibling) =>
            {
                return(messageLabel.Y - titleLabel.Height - 10);
            })
                                         );

            Content = uploadingLayout;
        }