Allow launching UWP app from command line

support/hololens/ServoApp/App.cpp

@@ -31,7 +31,9 @@ App::App() {
 #endif
 }
 
-void App::OnLaunched(LaunchActivatedEventArgs const &e) {
+void App::createRootFrame(
+    bool prelaunchActivated,
+    winrt::Windows::Foundation::IInspectable const &args) {
   Frame rootFrame{nullptr};
   auto content = Window::Current().Content();
   if (content) {
@@ -43,26 +45,33 @@ void App::OnLaunched(LaunchActivatedEventArgs const &e) {
 
     rootFrame.NavigationFailed({this, &App::OnNavigationFailed});
 
-    if (e.PrelaunchActivated() == false) {
+    if (prelaunchActivated == false) {
       if (rootFrame.Content() == nullptr) {
-        rootFrame.Navigate(xaml_typename<ServoApp::BrowserPage>(),
-                           box_value(e.Arguments()));
+        rootFrame.Navigate(xaml_typename<ServoApp::BrowserPage>(), args);
       }
       Window::Current().Content(rootFrame);
       Window::Current().Activate();
     }
   } else {
-    if (e.PrelaunchActivated() == false) {
+    if (prelaunchActivated == false) {
       if (rootFrame.Content() == nullptr) {
-        rootFrame.Navigate(xaml_typename<ServoApp::BrowserPage>(),
-                           box_value(e.Arguments()));
+        rootFrame.Navigate(xaml_typename<ServoApp::BrowserPage>(), args);
       }
       Window::Current().Activate();
     }
   }
 }
 
+void App::OnLaunched(LaunchActivatedEventArgs const &e) {
+  this->createRootFrame(e.PrelaunchActivated(), box_value(e.Arguments()));
+}
+
 void App::OnActivated(IActivatedEventArgs const &args) {
+  if (args.Kind() == Windows::ApplicationModel::Activation::ActivationKind::
+                         CommandLineLaunch) {
+    return this->createRootFrame(false, nullptr);
+  }
+
   if (args.Kind() ==
       Windows::ApplicationModel::Activation::ActivationKind::Protocol) {
     auto protocolActivatedEventArgs{args.as<

support/hololens/ServoApp/App.h

@@ -9,6 +9,8 @@ namespace winrt::ServoApp::implementation {
 struct App : AppT<App> {
   App();
 
+  void createRootFrame(bool prelaunchActivated,
+                       winrt::Windows::Foundation::IInspectable const &args);
   void OnLaunched(
       Windows::ApplicationModel::Activation::LaunchActivatedEventArgs const &);
   void App::OnActivated(

support/hololens/ServoApp/Package.appxmanifest

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" IgnorableNamespaces="uap mp">
+<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10"  xmlns:uap5="http://schemas.microsoft.com/appx/manifest/uap/windows10/5" IgnorableNamespaces="uap mp uap5">
   <Identity Name="1d265729-8836-4bd3-9992-4cb111d1068b" Publisher="CN=Allizom" Version="1.0.0.0" />
   <mp:PhoneIdentity PhoneProductId="1d265729-8836-4bd3-9992-4cb111d1068b" PhonePublisherId="00000000-0000-0000-0000-000000000000" />
   <Properties>
@@ -32,6 +32,14 @@
             <uap:DisplayName>Firefox Reality URL</uap:DisplayName>
           </uap:Protocol>
         </uap:Extension>
+        <uap5:Extension
+          Category="windows.appExecutionAlias"
+          Executable="ServoApp.exe"
+          EntryPoint="ServoApp.App">
+          <uap5:AppExecutionAlias>
+            <uap5:ExecutionAlias Alias="Servo.exe" />
+          </uap5:AppExecutionAlias>
+        </uap5:Extension>
       </Extensions>
     </Application>
   </Applications>