feat: support embedded applications

Author: edusperoni

packages/angular/src/lib/application.ts

@@ -213,10 +213,10 @@ export function runNativeScriptAngularApp<T, K>(options: AppRunOptions<T, K>) {
       if (NativeScriptDebug.isLogEnabled()) {
         NativeScriptDebug.bootstrapLog(`Setting RootView to ${ref}`);
       }
-      if (launchEventDone) {
-        Application.resetRootView({
-          create: () => ref,
-        });
+      if (options.embedded) {
+        Application.run({ create: () => ref });
+      } else if (launchEventDone) {
+        Application.resetRootView({ create: () => ref });
       } else {
         targetRootView = ref;
       }
@@ -227,10 +227,10 @@ export function runNativeScriptAngularApp<T, K>(options: AppRunOptions<T, K>) {
     if (NativeScriptDebug.isLogEnabled()) {
       NativeScriptDebug.bootstrapLog(`Setting RootView to ${newRoot}`);
     }
-    if (launchEventDone) {
-      Application.resetRootView({
-        create: () => newRoot,
-      });
+    if (options.embedded) {
+      Application.run({ create: () => newRoot });
+    } else if (launchEventDone) {
+      Application.resetRootView({ create: () => newRoot });
     } else {
       targetRootView = newRoot;
     }
@@ -393,7 +393,9 @@ export function runNativeScriptAngularApp<T, K>(options: AppRunOptions<T, K>) {
     oldAddEventListener = global.NativeScriptGlobals.events.addEventListener;
     global.NativeScriptGlobals.events.addEventListener = global.NativeScriptGlobals.events[Zone.__symbol__('addEventListener')];
   }
-  Application.on(Application.launchEvent, launchCallback);
+  if (!options.embedded) {
+    Application.on(Application.launchEvent, launchCallback);
+  }
   Application.on(Application.exitEvent, exitCallback);
   if (oldAddEventListener) {
     global.NativeScriptGlobals.events.addEventListener = oldAddEventListener;
@@ -431,5 +433,9 @@ export function runNativeScriptAngularApp<T, K>(options: AppRunOptions<T, K>) {
     return;
   }
 
-  Application.run();
+  if (options.embedded) {
+    bootstrapRoot('applaunch');
+  } else {
+    Application.run();
+  }
 }