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PrismApplication.cs
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PrismApplication.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Prism.Navigation;
using Microsoft.Practices.Unity;
using Prism.Mvvm;
using Prism.Unity.Navigation;
using Prism.Common;
using Xamarin.Forms;
using Prism.Unity.Extensions;
using Prism.Logging;
using Prism.Events;
using Prism.Services;
using DependencyService = Prism.Services.DependencyService;
namespace Prism.Unity
{
public abstract class PrismApplication : PrismApplicationBase
{
public IUnityContainer Container { get; protected set; }
public override void Initialize()
{
Logger = CreateLogger();
Container = CreateContainer();
ConfigureContainer();
NavigationService = CreateNavigationService();
RegisterTypes();
OnInitialized();
}
protected override void ConfigureViewModelLocator()
{
ViewModelLocationProvider.SetDefaultViewModelFactory((view, type) =>
{
ParameterOverrides overrides = null;
var page = view as Page;
if (page != null)
{
var navService = Container.Resolve<UnityPageNavigationService>();
((IPageAware)navService).Page = page;
overrides = new ParameterOverrides
{
{ "navigationService", navService }
};
}
return Container.Resolve(type, overrides);
});
}
protected virtual IUnityContainer CreateContainer()
{
return new UnityContainer();
}
protected override INavigationService CreateNavigationService()
{
return Container.Resolve<UnityPageNavigationService>();
}
protected virtual void ConfigureContainer()
{
Container.AddNewExtension<DependencyServiceExtension>();
Container.RegisterInstance<ILoggerFacade>(Logger);
Container.RegisterType<IEventAggregator, EventAggregator>(new ContainerControlledLifetimeManager());
Container.RegisterType<IDependencyService, DependencyService>(new ContainerControlledLifetimeManager());
Container.RegisterType<IPageDialogService, PageDialogService>(new ContainerControlledLifetimeManager());
}
}
}