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Bill

Fields:

double ItemsPrice

double HST

double Tip

double TotalPrice

Constructor:

Bill$($List selectedDishes$)$

Methods:

None $($all properties are read$-$only$)$

Dish

Fields:

string Name

double Price

string Description

string Image

Constructor:

Dish$($string name, double price, string description, string image$)$

Methods:

None $($fields are directly set by the constructor$)$

OrderManager

Fields:

static OrderManager $\_$instance

List $\_$selectedDishes

Constructor:

private OrderManager$()$

Methods:

public static OrderManager Instance

public void Add$($Dish dish$)$

public void Remove$($Dish dish$)$

public List GetSelectedDishes$()$

OrderPage

Fields:

ListView DishesListView

Constructor:

public OrderPage$()$

Methods:

private void LoadDishes$()$

private async void OnDishSelected$($object sender$,$ ItemTappedEventArgs e$)$

private async void OnViewOrderClicked$($object sender$,$ EventArgs e$)$

SummaryPage

Fields:

Bill Bill

Constructor:

public SummaryPage$()$

Methods:

None $($binding context is set in the constructor$)$

ViewOrderPage

Fields:

ListView OrderListView

Constructor:

public ViewOrderPage$()$

Methods:

private void OnRemoveDish$($object sender$,$ ItemTappedEventArgs e$)$

private async void OnAddMoreItemsClicked$($object sender$,$ EventArgs e$)$

private async void OnCheckOutClicked$($object sender$,$ EventArgs e$)$

App

Fields:

None

Constructor:

public App$()$

Methods:

None $($initializes the application and sets the MainPage$)$

AppShell

Fields:

None

Constructor:

public AppShell$()$

Methods:

None $($sets up the application shell$)$

MainPage

Fields:

None

Constructor:

public MainPage$()$

Methods:

private async void OnStartOrderClicked$($object sender$,$ EventArgs e$)$

Relationships

OrderPage $-$ uses OrderManager to add dishes to the order.

ViewOrderPage $-$ uses OrderManager to remove dishes from the order and shows the list of selected dishes.

SummaryPage $-$ creates a Bill object using the selected dishes from OrderManager and displays the summary.

MainPage $-$ navigates to OrderPage when the "Start your order" button is clicked.

AppShell $-$ sets up the navigation for the application.

App $-$ initializes the application and sets AppShell as the main page.