コード例 #1
0
        public SensusMasterDetailPage()
        {
            _masterPage = new SensusMasterPage();

            _masterPage.MasterPageItemsListView.ItemSelected += (sender, e) =>
            {
                try
                {
                    SensusDetailPageItem selectedDetailPageItem = e.SelectedItem as SensusDetailPageItem;

                    if (selectedDetailPageItem != null)
                    {
                        if (selectedDetailPageItem.TargetType == null)
                        {
                            selectedDetailPageItem.Action?.Invoke();
                        }
                        else
                        {
                            Detail      = new NavigationPage((Page)Activator.CreateInstance(selectedDetailPageItem.TargetType));
                            IsPresented = false;
                        }

                        _masterPage.MasterPageItemsListView.SelectedItem = null;
                    }
                }
                catch (Exception ex)
                {
                    SensusException.Report("Exception while handling master-detail menu selection:  " + ex.Message, ex);
                }
            };

            Master = _masterPage;

            // the SensusServiceHelper is not yet loaded when this page is constructed. as a result, we cannot assign the
            // ProtocolsPage to the Detail property. instead, just assign a blank content page and show the user the master
            // detail list. by the time the user selects from the list, the service helper will be available and the protocols
            // page will be ready to go.
            Detail = new NavigationPage(new ContentPage
            {
                Content = new Label
                {
                    Text                    = "Welcome to Sensus." + Environment.NewLine + "Please select from the menu above.",
                    FontSize                = 30,
                    HorizontalOptions       = LayoutOptions.CenterAndExpand,
                    VerticalOptions         = LayoutOptions.CenterAndExpand,
                    VerticalTextAlignment   = TextAlignment.Center,
                    HorizontalTextAlignment = TextAlignment.Center
                }
            });

            IsPresented = true;
        }
コード例 #2
0
        public SensusMasterDetailPage()
        {
            _masterPage = new SensusMasterPage();
            _masterPage.MasterPageItemsListView.ItemSelected += OnItemSelected;

            Master = _masterPage;

            // the SensusServiceHelper is not yet loaded when this page is constructed. as a result, we cannot assign the
            // ProtocolsPage to the Detail property. instead, just assign a blank content page and show the user the master
            // detail list. by the time the user selects from the list, the service helper will be available and the protocols
            // page will be ready to go.
            Detail      = new NavigationPage(new ContentPage());
            IsPresented = true;
        }