MauiProgram.cs

using dotNET_NoWASTE.Data;
using dotNET_NoWASTE.ViewModels;
using dotNET_NoWASTE.Views;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Maui.Hosting;
using SQLite;

namespace dotNET_NoWASTE;

public static class MauiProgram
{
    public static MauiApp CreateMauiApp()
    {
        var builder = MauiApp.CreateBuilder();
        builder
            .UseMauiApp<App>()
            .ConfigureFonts(fonts =>
            {
                fonts.AddFont("Roboto-Medium.ttf", "Roboto-Medium");
                fonts.AddFont("Roboto-Black.ttf", "Roboto-Black");
            });

#if DEBUG
        builder.Logging.AddDebug();
#endif

        // Data
        string dbPath = Path.Combine(FileSystem.AppDataDirectory, "Nowastedatabase.db3");

        builder.Services.AddSingleton<FoodRepository>(s => ActivatorUtilities.CreateInstance<FoodRepository>(s, dbPath));

        // Services

        // Views
        builder.Services.AddTransient<LoginPageView>();
        builder.Services.AddTransient<SignUpPageView>();
        builder.Services.AddTransient<AddFoodPageView>();
        builder.Services.AddSingleton<FoodPageView>();
        builder.Services.AddSingleton<ContactPageView>();

        // ViewModels
        builder.Services.AddTransient<LoginPageViewModel>();
        builder.Services.AddTransient<SignUpPageViewModel>();
        builder.Services.AddTransient<AddFoodPageViewModel>();
        builder.Services.AddSingleton<FoodPageViewModel>();
        builder.Services.AddSingleton<ContactPageViewModel>();

        return builder.Build();
    }
}