Description of Change

This adds support for using the Uno.Extensions.Hosting's abstractions for the IApplicationBuilder which wraps IHostBuilder. This gives Prism an easy way to get the Window to set the Shell on and makes it easier for developers to customize services that get registered as this uses the same sort of hooks to ensure that both the IHost and Prism use a single container meaning all services registered with IServiceCollection are available with Prism's IContainerProvider and all services registered with Prism's IContainerRegistry will be available from the IHost's IServiceProvider.

Bugs Fixed

• n/a

API Changes

List all API changes here (or just put None), example:

Added:

• IHost PrismApplicationBase.Host;
• IRegionManager PrismApplicationBase.RegionManager
• void PrismApplicationBase.ConfigureApp(IApplicationBuilder builder);
• void PrismApplicationBase.ConfigureHost(IHostBuilder builder);
• void PrismApplicationBase.ConfigureServices(IServiceCollection services);

Changed:

• public void PrismApplicationBase.Initialize()=> protected void PrismApplicationBase.Initialize(IApplicationBuilder builder);

Removed:

• protected void InitializeShell(UIElement shell)
  • The purpose of this method was to create the Window and set the Content with the Shell. We now get the Window from the IApplicationBuilder and can easily set the Content and activate the Window as part of the initialization.

PR Checklist

• Has tests (if omitted, state reason in description)
• Rebased on top of master at time of PR
• Changes adhere to coding standard