diff --git a/apps/app/ui-tests-app/page/page-status-bar-css.ts b/apps/app/ui-tests-app/page/page-status-bar-css.ts
index 6cafc2a69..06792906c 100644
--- a/apps/app/ui-tests-app/page/page-status-bar-css.ts
+++ b/apps/app/ui-tests-app/page/page-status-bar-css.ts
@@ -10,7 +10,7 @@ export function applyTap(args) {
 
     let css = "#test-element { " + args.object.tag + " }";
     page.css = css;
- }
+}
 
 export function applyTapOnStyledActionBar(args) {
     let page = <page.Page>(<view.View>args.object).page;
@@ -18,8 +18,7 @@ export function applyTapOnStyledActionBar(args) {
     reset(page);
 
     page.actionBar.backgroundColor = new color.Color("#5DFC0A");
-    var css = "#test-element { " + args.object.tag + " }";
-    page.css = css;
+    page.css = "#test-element { " + args.object.tag + " }";
 }
 
 export function applyTapWithHiddenActionBar(args) {
@@ -28,8 +27,7 @@ export function applyTapWithHiddenActionBar(args) {
     reset(page);
 
     page.actionBarHidden = true;
-    var css = "#test-element { " + args.object.tag + " }";
-    page.css = css;
+    page.css = "#test-element { " + args.object.tag + " }";
 }
 
 export function applyTapWithSpan(args) {
@@ -38,8 +36,7 @@ export function applyTapWithSpan(args) {
     reset(page);
 
     page.backgroundSpanUnderStatusBar = true;
-    var css = "#test-element { " + args.object.tag + " }";
-    page.css = css;
+    page.css = "#test-element { " + args.object.tag + " }";
 }
 
 export function applyTapOnStyledActionBarAndSpan(args) {
@@ -49,8 +46,7 @@ export function applyTapOnStyledActionBarAndSpan(args) {
 
     page.backgroundSpanUnderStatusBar = true;
     page.actionBar.backgroundColor = new color.Color("#E0115F");
-    var css = "#test-element { " + args.object.tag + " }";
-    page.css = css;
+    page.css = "#test-element { " + args.object.tag + " }";
 }
 
 export function applyTapWithActionBarHiddenAndSpan(args) {
@@ -59,9 +55,8 @@ export function applyTapWithActionBarHiddenAndSpan(args) {
     reset(page);
 
     page.backgroundSpanUnderStatusBar = true;
-    page.actionBarHidden = true;;
-    var css = "#test-element { " + args.object.tag + " }";
-    page.css = css;
+    page.actionBarHidden = true;
+    page.css = "#test-element { " + args.object.tag + " }";
 }
 
 function reset(page: page.Page) {
diff --git a/tns-core-modules/file-system/file-name-resolver.ts b/tns-core-modules/file-system/file-name-resolver.ts
index 05ee0b5ad..a169a473c 100644
--- a/tns-core-modules/file-system/file-name-resolver.ts
+++ b/tns-core-modules/file-system/file-name-resolver.ts
@@ -142,9 +142,6 @@ export class FileNameResolver implements definition.FileNameResolver {
         var candidates = this.getFileCandidatesFromFolder(path, ext);
         result = _findFileMatch(path, ext, candidates, this._context);
 
-        if (trace.enabled) {
-            trace.write("Resolved file name for \"" + path + ext + "\" result: " + (result ? result : "no match found"), trace.categories.Navigation);
-        }
         return result;
     }
 
@@ -179,9 +176,6 @@ export function _findFileMatch(path: string, ext: string, candidates: Array<stri
     var bestValue = -1
     var result: string = null;
 
-    if (trace.enabled) {
-        trace.write("Candidates for " + path + ext + ": " + candidates.join(", "), trace.categories.Navigation);
-    }
     for (var i = 0; i < candidates.length; i++) {
         var filePath = candidates[i];
         var qualifiersStr: string = filePath.substr(path.length, filePath.length - path.length - ext.length);
diff --git a/tns-core-modules/ui/action-bar/action-bar.ios.ts b/tns-core-modules/ui/action-bar/action-bar.ios.ts
index cd425fab3..ed053454a 100644
--- a/tns-core-modules/ui/action-bar/action-bar.ios.ts
+++ b/tns-core-modules/ui/action-bar/action-bar.ios.ts
@@ -30,7 +30,7 @@ export class NavigationButton extends ActionItem {
 
 export class ActionBar extends common.ActionBar {
 
-     get ios(): UIView {
+    get ios(): UIView {
 
         if (!(this.page && this.page.parent)) {
             return;
@@ -41,9 +41,9 @@ export class ActionBar extends common.ActionBar {
             return viewController.navigationController.navigationBar;
         }
         return null;
-     }
+    }
 
-     public update() {
+    public update() {
         // Page should be attached to frame to update the action bar.
         if (!(this.page && this.page.parent)) {
             return;
@@ -51,7 +51,7 @@ export class ActionBar extends common.ActionBar {
 
         var viewController = (<UIViewController>this.page.ios);
         var navigationItem: UINavigationItem = viewController.navigationItem;
-        var navController = frameModule.topmost().ios.controller; 
+        var navController = frameModule.topmost().ios.controller;
         var navigationBar = navController ? <UINavigationBar>navController.navigationBar : null;
         var previousController: UIViewController;
 
@@ -229,7 +229,7 @@ export class ActionBar extends common.ActionBar {
 
         this.actionItems.getItems().forEach((actionItem) => {
             if (actionItem.actionView) {
-                view.View.measureChild(this, actionItem.actionView, 
+                view.View.measureChild(this, actionItem.actionView,
                     utils.layout.makeMeasureSpec(width, utils.layout.AT_MOST),
                     utils.layout.makeMeasureSpec(navBarHeight, utils.layout.AT_MOST));
             }
diff --git a/tns-core-modules/ui/frame/frame-common.ts b/tns-core-modules/ui/frame/frame-common.ts
index 351fadc36..2dbf461a6 100644
--- a/tns-core-modules/ui/frame/frame-common.ts
+++ b/tns-core-modules/ui/frame/frame-common.ts
@@ -1,9 +1,9 @@
 import * as definition from "ui/frame";
-import {View, CustomLayoutView} from "ui/core/view";
-import {Page} from "ui/page";
-import {isString, isFunction, isDefined} from "utils/types";
+import { View, CustomLayoutView } from "ui/core/view";
+import { Page } from "ui/page";
+import { isString, isFunction, isDefined } from "utils/types";
 import * as trace from "trace";
-import {resolveFileName} from "file-system/file-name-resolver";
+import { resolveFileName } from "file-system/file-name-resolver";
 import * as fs from "file-system";
 import * as builderModule from "ui/builder";
 import * as platform from "platform";
@@ -222,7 +222,7 @@ export class Frame extends CustomLayoutView implements definition.Frame {
     //     if (!this._currentEntry){
     //         return;
     //     }
-        
+
     //     let currentPage = this._currentEntry.resolvedPage;
     //     let currentNavigationEntry = this._currentEntry.entry; 
     //     if (currentPage["isBiOrientational"] && currentNavigationEntry.moduleName) {
@@ -321,7 +321,7 @@ export class Frame extends CustomLayoutView implements definition.Frame {
         return !backstackHidden;
     }
 
-    public _updateActionBar(page?: Page) {
+    public _updateActionBar(page?: Page, disableNavBarAnimation?: boolean) {
         //trace.write("calling _updateActionBar on Frame", trace.categories.Navigation);
     }
 
@@ -408,7 +408,7 @@ export class Frame extends CustomLayoutView implements definition.Frame {
         if (this._currentEntry) {
             return this._currentEntry.entry;
         }
-        
+
         return null;
     }
 
diff --git a/tns-core-modules/ui/frame/frame.d.ts b/tns-core-modules/ui/frame/frame.d.ts
index e56f776ff..cb61bf29e 100644
--- a/tns-core-modules/ui/frame/frame.d.ts
+++ b/tns-core-modules/ui/frame/frame.d.ts
@@ -104,7 +104,7 @@ declare module "ui/frame" {
         navigationQueueIsEmpty(): boolean;
         navigationBarHeight: number;
         _processNavigationQueue(page: pages.Page);
-        _updateActionBar(page?: pages.Page);
+        _updateActionBar(page?: pages.Page, disableNavBarAnimation?: boolean);
         _getNavBarVisible(page: pages.Page): boolean;
         //@endprivate
 
diff --git a/tns-core-modules/ui/frame/frame.ios.ts b/tns-core-modules/ui/frame/frame.ios.ts
index b1475b6ed..67130d72c 100644
--- a/tns-core-modules/ui/frame/frame.ios.ts
+++ b/tns-core-modules/ui/frame/frame.ios.ts
@@ -1,10 +1,10 @@
 import frameCommon = require("./frame-common");
 import definition = require("ui/frame");
 import trace = require("trace");
-import {Page} from "ui/page";
-import {NavigationBarVisibility, AnimationCurve} from "ui/enums";
+import { Page } from "ui/page";
+import { NavigationBarVisibility, AnimationCurve } from "ui/enums";
 import utils = require("utils/utils");
-import {View} from "ui/core/view";
+import { View } from "ui/core/view";
 import uiUtils = require("ui/utils");
 import * as types from "utils/types";
 import application = require("application");
@@ -109,10 +109,10 @@ export class Frame extends frameCommon.Frame {
         backstackEntry[NAV_DEPTH] = navDepth;
         viewController[ENTRY] = backstackEntry;
 
-        this._updateActionBar(backstackEntry.resolvedPage);
-
         // First navigation.
         if (!this._currentEntry) {
+            // Update action-bar with disabled animations before the initial navigation.
+            this._updateActionBar(backstackEntry.resolvedPage, true);
             this._ios.controller.pushViewControllerAnimated(viewController, animated);
             if (trace.enabled) {
                 trace.write(`${this}.pushViewControllerAnimated(${viewController}, ${animated}); depth = ${navDepth}`, trace.categories.Navigation);
@@ -189,16 +189,23 @@ export class Frame extends frameCommon.Frame {
         }
     }
 
-    public _updateActionBar(page?: Page): void {
+    public _updateActionBar(page?: Page, disableNavBarAnimation: boolean = false): void {
         super._updateActionBar(page);
 
         page = page || this.currentPage;
         let newValue = this._getNavBarVisible(page);
 
-        var disableNavBarAnimation = this._ios._disableNavBarAnimation;
-        this._ios._disableNavBarAnimation = true;
+        let disableNavBarAnimationCache = this._ios._disableNavBarAnimation;
+
+        if (disableNavBarAnimation) {
+            this._ios._disableNavBarAnimation = true;
+        }
+
         this._ios.showNavigationBar = newValue;
-        this._ios._disableNavBarAnimation = disableNavBarAnimation;
+
+        if (disableNavBarAnimation) {
+            this._ios._disableNavBarAnimation = disableNavBarAnimationCache;
+        }
 
         if (this._ios.controller.navigationBar) {
             this._ios.controller.navigationBar.userInteractionEnabled = this.navigationQueueIsEmpty();
@@ -260,7 +267,7 @@ export class Frame extends frameCommon.Frame {
     }
 
     public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void {
-         View.adjustChildLayoutParams(this.currentPage, widthMeasureSpec, heightMeasureSpec);
+        View.adjustChildLayoutParams(this.currentPage, widthMeasureSpec, heightMeasureSpec);
 
         let width = utils.layout.getMeasureSpecSize(widthMeasureSpec);
         let widthMode = utils.layout.getMeasureSpecMode(widthMeasureSpec);
@@ -693,7 +700,6 @@ class iOSFrame implements definition.iOSFrame {
         this._frame = frame;
         this._controller = UINavigationControllerImpl.initWithOwner(new WeakRef(frame));
         this._controller.automaticallyAdjustsScrollViewInsets = false;
-        //this.showNavigationBar = false;
         this._navBarVisibility = NavigationBarVisibility.auto;
     }
 
diff --git a/tns-core-modules/ui/page/page-common.ts b/tns-core-modules/ui/page/page-common.ts
index 51261584b..8d8f10811 100644
--- a/tns-core-modules/ui/page/page-common.ts
+++ b/tns-core-modules/ui/page/page-common.ts
@@ -10,7 +10,7 @@ import * as frameModule from "ui/frame";
 import proxy = require("ui/core/proxy");
 import keyframeAnimation = require("ui/animation/keyframe-animation");
 import types = require("utils/types");
-import {Color} from "color";
+import { Color } from "color";
 
 let fs: typeof fileSystemModule;
 function ensureFS() {
@@ -47,7 +47,8 @@ const actionBarHiddenProperty = new Property("actionBarHidden", "Page", new prox
 function onActionBarHiddenPropertyChanged(data: PropertyChangeData) {
     const page = <Page>data.object;
     if (page.isLoaded) {
-        page._updateActionBar(data.newValue);
+        // Update with disabled animation when setting visibility
+        page._updateActionBar(true);
     }
 }
 
@@ -101,7 +102,7 @@ export class Page extends ContentView implements dts.Page {
         this._applyCss();
 
         if (this.actionBarHidden !== undefined) {
-            this._updateActionBar(this.actionBarHidden);
+            this._updateActionBar();
         }
 
         this._updateStatusBar();
@@ -148,7 +149,7 @@ export class Page extends ContentView implements dts.Page {
         this._setValue(Page.iosSwipeBackNavigationEnabledProperty, value);
     }
 
-    public _updateActionBar(hidden: boolean) {
+    public _updateActionBar(disableNavBarAnimation?: boolean) {
         //
     }
 
diff --git a/tns-core-modules/ui/page/page.android.ts b/tns-core-modules/ui/page/page.android.ts
index 9f6e9736b..f0cb5910e 100644
--- a/tns-core-modules/ui/page/page.android.ts
+++ b/tns-core-modules/ui/page/page.android.ts
@@ -187,7 +187,7 @@ export class Page extends pageCommon.Page {
         super._hideNativeModalView(parent);
     }
 
-    public _updateActionBar(hidden: boolean) {
+    public _updateActionBar() {
         this.actionBar.update();
     }
 
diff --git a/tns-core-modules/ui/page/page.ios.ts b/tns-core-modules/ui/page/page.ios.ts
index f60da7583..b384ea325 100644
--- a/tns-core-modules/ui/page/page.ios.ts
+++ b/tns-core-modules/ui/page/page.ios.ts
@@ -145,9 +145,7 @@ class UIViewControllerImpl extends UIViewController {
         this.shown = false;
         let page = this._owner.get();
         if (trace.enabled) {
-            if (trace.enabled) {
-                trace.write(page + " viewWillAppear", trace.categories.Navigation);
-            }
+            trace.write(page + " viewWillAppear", trace.categories.Navigation);
         }
         if (!page) {
             return;
@@ -349,7 +347,7 @@ export class Page extends pageCommon.Page {
         if (this._enableLoadedEvents) {
             super.onLoaded();
         }
-        this._updateActionBar(false);
+        this._updateActionBar();
     }
 
     public onUnloaded() {
@@ -433,10 +431,10 @@ export class Page extends pageCommon.Page {
         super._hideNativeModalView(parent);
     }
 
-    public _updateActionBar(hidden: boolean) {
+    public _updateActionBar(disableNavBarAnimation: boolean = false) {
         const frame = this.frame;
         if (frame) {
-            frame._updateActionBar(this);
+            frame._updateActionBar(this, disableNavBarAnimation);
         }
     }
 
@@ -449,7 +447,7 @@ export class Page extends pageCommon.Page {
         if (this.frame && value) {
             let navigationController = frame.ios.controller;
             let navigationBar = navigationController.navigationBar;
-            
+
             navigationBar.barStyle = value === "dark" ? 1 : 0;
         }
     }
@@ -554,7 +552,7 @@ export class Page extends pageCommon.Page {
 
 export class PageStyler implements style.Styler {
     // statusBarStyle
-     private static setStatusBarStyleProperty(v: View, newValue: any) {
+    private static setStatusBarStyleProperty(v: View, newValue: any) {
         let page = <Page>v;
         page._updateStatusBarStyle(newValue);
     }
@@ -570,11 +568,11 @@ export class PageStyler implements style.Styler {
     }
 
     public static registerHandlers() {
-       style.registerHandler(style.statusBarStyleProperty, new style.StylePropertyChangedHandler(
+        style.registerHandler(style.statusBarStyleProperty, new style.StylePropertyChangedHandler(
             PageStyler.setStatusBarStyleProperty,
             PageStyler.resetStatusBarStyleProperty,
             PageStyler.getStatusBarStyleProperty), "Page");
     }
 }
 
-PageStyler.registerHandlers();
\ No newline at end of file
+PageStyler.registerHandlers();