diff --git a/apps/app/ui-tests-app/app.ts b/apps/app/ui-tests-app/app.ts
index 4a01afd03..a1f0e311b 100644
--- a/apps/app/ui-tests-app/app.ts
+++ b/apps/app/ui-tests-app/app.ts
@@ -79,5 +79,5 @@ application.on(application.uncaughtErrorEvent, function (args: application.Appli
     }
 });
 
-application.cssFile = "ui-tests-app/app.css";
+application.setCssFileName("ui-tests-app/app.css");
 application.start({ moduleName: "ui-tests-app/mainPage" });
\ No newline at end of file
diff --git a/apps/app/ui-tests-app/tab-view/tab-view-icon.ts b/apps/app/ui-tests-app/tab-view/tab-view-icon.ts
index ea606a49b..970e62309 100644
--- a/apps/app/ui-tests-app/tab-view/tab-view-icon.ts
+++ b/apps/app/ui-tests-app/tab-view/tab-view-icon.ts
@@ -7,7 +7,7 @@ let iconModes = ["automatic", "alwaysOriginal", "alwaysTemplate", undefined];
 export function onChangeRenderingMode(args: EventData){
     let button = (<Button>args.object);
     let tabView = button.page.getViewById<TabView>("tab-view");
-    tabView.iosIconRenderingMode = iconModes[(iconModes.indexOf(tabView.iosIconRenderingMode) + 1) % iconModes.length];
+    tabView.iosIconRenderingMode = <"automatic" | "alwaysOriginal" | "alwaysTemplate">iconModes[(iconModes.indexOf(tabView.iosIconRenderingMode) + 1) % iconModes.length];
     for(let i = 0, length = tabView.items.length; i < length; i++){
         (<Button>tabView.items[i].view).text = "" + tabView.iosIconRenderingMode; 
     }
diff --git a/tns-core-modules/application/application.d.ts b/tns-core-modules/application/application.d.ts
index 0063f025b..1b4dda94c 100644
--- a/tns-core-modules/application/application.d.ts
+++ b/tns-core-modules/application/application.d.ts
@@ -255,7 +255,7 @@ declare module "application" {
     /**
      * This event is raised when an uncaught error occurs while the application is running.
      */
-    export function on(event: "uncaughtError", callback: (args: ApplicationEventData) => void, thisArg?: any);
+    export function on(event: "uncaughtError", callback: (args: UnhandledErrorEventData) => void, thisArg?: any);
 
     /**
      * This event is raised the orientation of the current device has changed.