eduardomps/HomeController.cs

## _Layout.cshtml
<!--src/Project/Views/Shared/_Layout.cshtml-->
@inject IHtmlLocalizer<SharedResource> Localizer //yes, it also works at the Shared views!
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"]</title>
    <!-- snip -->
</head>
<body>
    <div class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
        <!-- snip -->
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">@Localizer["Home"]</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">@Localizer["About"]</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">@Localizer["Contact"]</a></li>
                </ul>
                @await Html.PartialAsync("_LoginPartial")
            </div>
        </div>
    </div>

    <!--snip-->
</body>
</html>

## _ViewImports.cshtml
// src/Projects/Views/_ViewImports.cshtml
//add these two to your ViewImports
@using Project.Resources
@using Microsoft.AspNetCore.Mvc.Localization;

## HomeController.cs
// src/Project/Controllers/HomeController.cs
// using the HomeController as an example
// you don't need it if you only want to localize strings in your views

public IStringLocalizer<SharedResource> _localizer;

// here comes the magic: the DI will inject your localizer
// created by the factory you set up at Startup.ConfigureServices()
public HomeController(IStringLocalizer<SharedResource> localizer)
{
    _localizer = localizer;
}

public IActionResult About()
{
    // actually using your localizer
    // it expects a localized string for the key 'Your application description page.'
    // in the current culture of you SharedResource.<culture>.resx
    // otherwise it will output the key itself
    ViewData["Message"] = _localizer["Your application description page."];

    return View();
}

## Index.cshtml
<!--src/Project/Views/Home/Index.cshtml-->
@inject IHtmlLocalizer<SharedResource> Localizer
@{
    //add the injection above and then you can use your localizations anywhere on the page
    ViewData["Title"] = Localizer["Home Page"];
}

<!-- snip -->

<div class="col-md-3">
  <h2>@Localizer["Run & Deploy"]</h2>
  <ul>
      <li><a href="http://go.microsoft.com/fwlink/?LinkID=517851">@Localizer["Run your app"]</a></li>
      <li><a href="http://go.microsoft.com/fwlink/?LinkID=517853">Run tools such as EF migrations and more</a></li>
      <li><a href="http://go.microsoft.com/fwlink/?LinkID=398609">Publish to Microsoft Azure Web Apps</a></li>
  </ul>
</div>

<!-- snip -->

## SharedResource.cs
// src/Project/Resources/SharedResource.cs
namespace Project.Resources
{
    //This is a dummy class only, but currently it is required
    //It also must be named like your .resx files
    //in this case, they would be at Project/Resources/SharedResource.xx-YY.resx
    public class SharedResource
    {

    }
}

## Startup.cs
// src/Project/Startup.cs
// snipping to the relevant methods
// you shouldn't have to change anything else at Startup

public void ConfigureServices(IServiceCollection services)
{
    //add all you want here

    //...

    //adding the view/localization services
    //IMPORTANT: do NOT add 'options.ResourcesPath = 'Resources'
    //           otherwise it will try to load Project.Resources.Resources.SharedResources
    //           instead of the correct Project.Resources.SharedResources
    services.AddLocalization();
    services.AddMvc().AddViewLocalization();

    //also important, use this to create your app's IStringLocalizerFactory
    services.AddSingleton<IStringLocalizerFactory, ResourceManagerStringLocalizerFactory>();
}

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
{

    //etc etc


    //your list of supported cultures
    CultureInfo[] supportedCultures = new[]
      {
          new CultureInfo("en"),
          new CultureInfo("es"),
          new CultureInfo("pt-BR"),
          //add more here
      };

    //setting the options to localize by the HTTP request
    app.UseRequestLocalization(new RequestLocalizationOptions
    {
        // define your default culture
        DefaultRequestCulture = new RequestCulture("pt-BR"),
        // Formatting numbers, dates, etc.
        SupportedCultures = supportedCultures,
        // UI strings that we have localized.
        SupportedUICultures = supportedCultures
    });
}
	<!--src/Project/Views/Shared/_Layout.cshtml-->
	@inject IHtmlLocalizer<SharedResource> Localizer //yes, it also works at the Shared views!
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>@ViewData["Title"]</title>
	<!-- snip -->
	</head>
	<body>
	<div class="navbar navbar-inverse navbar-fixed-top">
	<div class="container">
	<!-- snip -->
	<div class="navbar-collapse collapse">
	<ul class="nav navbar-nav">
	<li><a asp-area="" asp-controller="Home" asp-action="Index">@Localizer["Home"]</a></li>
	<li><a asp-area="" asp-controller="Home" asp-action="About">@Localizer["About"]</a></li>
	<li><a asp-area="" asp-controller="Home" asp-action="Contact">@Localizer["Contact"]</a></li>
	</ul>
	@await Html.PartialAsync("_LoginPartial")
	</div>
	</div>
	</div>

	<!--snip-->
	</body>
	</html>
	// src/Projects/Views/_ViewImports.cshtml
	//add these two to your ViewImports
	@using Project.Resources
	@using Microsoft.AspNetCore.Mvc.Localization;
	// src/Project/Controllers/HomeController.cs
	// using the HomeController as an example
	// you don't need it if you only want to localize strings in your views

	public IStringLocalizer<SharedResource> _localizer;

	// here comes the magic: the DI will inject your localizer
	// created by the factory you set up at Startup.ConfigureServices()
	public HomeController(IStringLocalizer<SharedResource> localizer)
	{
	_localizer = localizer;
	}

	public IActionResult About()
	{
	// actually using your localizer
	// it expects a localized string for the key 'Your application description page.'
	// in the current culture of you SharedResource.<culture>.resx
	// otherwise it will output the key itself
	ViewData["Message"] = _localizer["Your application description page."];

	return View();
	}
	<!--src/Project/Views/Home/Index.cshtml-->
	@inject IHtmlLocalizer<SharedResource> Localizer
	@{
	//add the injection above and then you can use your localizations anywhere on the page
	ViewData["Title"] = Localizer["Home Page"];
	}

	<!-- snip -->

	<div class="col-md-3">
	<h2>@Localizer["Run & Deploy"]</h2>
	<ul>
	<li><a href="http://go.microsoft.com/fwlink/?LinkID=517851">@Localizer["Run your app"]</a></li>
	<li><a href="http://go.microsoft.com/fwlink/?LinkID=517853">Run tools such as EF migrations and more</a></li>
	<li><a href="http://go.microsoft.com/fwlink/?LinkID=398609">Publish to Microsoft Azure Web Apps</a></li>
	</ul>
	</div>

	<!-- snip -->
	// src/Project/Resources/SharedResource.cs
	namespace Project.Resources
	{
	//This is a dummy class only, but currently it is required
	//It also must be named like your .resx files
	//in this case, they would be at Project/Resources/SharedResource.xx-YY.resx
	public class SharedResource
	{

	}
	}
	// src/Project/Startup.cs
	// snipping to the relevant methods
	// you shouldn't have to change anything else at Startup

	public void ConfigureServices(IServiceCollection services)
	{
	//add all you want here

	//...

	//adding the view/localization services
	//IMPORTANT: do NOT add 'options.ResourcesPath = 'Resources'
	// otherwise it will try to load Project.Resources.Resources.SharedResources
	// instead of the correct Project.Resources.SharedResources
	services.AddLocalization();
	services.AddMvc().AddViewLocalization();

	//also important, use this to create your app's IStringLocalizerFactory
	services.AddSingleton<IStringLocalizerFactory, ResourceManagerStringLocalizerFactory>();
	}

	public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
	{

	//etc etc


	//your list of supported cultures
	CultureInfo[] supportedCultures = new[]
	{
	new CultureInfo("en"),
	new CultureInfo("es"),
	new CultureInfo("pt-BR"),
	//add more here
	};

	//setting the options to localize by the HTTP request
	app.UseRequestLocalization(new RequestLocalizationOptions
	{
	// define your default culture
	DefaultRequestCulture = new RequestCulture("pt-BR"),
	// Formatting numbers, dates, etc.
	SupportedCultures = supportedCultures,
	// UI strings that we have localized.
	SupportedUICultures = supportedCultures
	});
	}