Resolved issue #263

ui/page/page-common.ts

@@ -9,14 +9,32 @@ import bindable = require("ui/core/bindable");
 import dependencyObservable = require("ui/core/dependency-observable");
 import enums = require("ui/enums");
 import frameCommon = require("ui/frame/frame-common");
+import proxy = require("ui/core/proxy");
 
 var OPTIONS_MENU = "optionsMenu";
 
+var navigationBarHiddenProperty = new dependencyObservable.Property(
+    "navigationBarHidden",
+    "Page",
+    new proxy.PropertyMetadata(false, dependencyObservable.PropertyMetadataSettings.AffectsLayout)
+    );
+
+function onNavigationBarHiddenPropertyChanged(data: dependencyObservable.PropertyChangeData) {
+    console.log("onNavigationBarHiddenPropertyChanged("+data.newValue+")");
+    var page = <Page>data.object;
+    if (page.isLoaded) {
+        page._updateNavigationBar(data.newValue);
+    }
+}
+
+(<proxy.PropertyMetadata>navigationBarHiddenProperty.metadata).onSetNativeValue = onNavigationBarHiddenPropertyChanged;
+
 export module knownCollections {
     export var optionsMenu = "optionsMenu";
 }
 
 export class Page extends contentView.ContentView implements dts.Page, view.AddArrayFromBuilder {
+    public static navigationBarHiddenProperty = navigationBarHiddenProperty;
     public static navigatingToEvent = "navigatingTo";
     public static navigatedToEvent = "navigatedTo";
     public static navigatingFromEvent = "navigatingFrom";
@@ -36,9 +54,24 @@ export class Page extends contentView.ContentView implements dts.Page, view.AddA
 
     public onLoaded() {
         this._applyCss();
+        this._updateNavigationBar(this.navigationBarHidden);
         super.onLoaded();
     }
 
+    get navigationBarHidden(): boolean {
+        console.log("page-common get navigationBarHidden: " + this._getValue(Page.navigationBarHiddenProperty));
+        return this._getValue(Page.navigationBarHiddenProperty);
+    }
+
+    set navigationBarHidden(value: boolean) {
+        console.log("page-common set navigationBarHidden: " + value);
+        this._setValue(Page.navigationBarHiddenProperty, value);
+    }
+
+    public _updateNavigationBar(hidden: boolean) {
+        console.log("page-common._updateNavigationBar("+hidden+")");
+    }
+
     get navigationContext(): any {
         return this._navigationContext;
     }
@@ -204,6 +237,7 @@ export class Page extends contentView.ContentView implements dts.Page, view.AddA
             this.optionsMenu.setItems(value);
         }
     }
+
 }
 
 export class OptionsMenu implements dts.OptionsMenu {

ui/page/page.android.ts

@@ -89,4 +89,27 @@ export class Page extends pageCommon.Page {
         this._isAddedToNativeVisualTree = false;
         this._onDetached(true);
     }
+
+    public _updateNavigationBar(hidden: boolean) {
+        if (!this.frame || !this.frame.android) {
+            return;
+        }
+
+        var actionBar = this.frame.android.actionBar;
+
+        if (!actionBar) {
+            return;
+        }
+
+        if (hidden) {
+            if (actionBar.isShowing()) {
+                actionBar.hide();
+            }
+        }
+        else {
+            if (!actionBar.isShowing()) {
+                actionBar.show();
+            }
+        }
+    }
 }

ui/page/page.d.ts

@@ -46,6 +46,11 @@ declare module "ui/page" {
      * Represents a logical unit for navigation (inside Frame).
      */
     export class Page extends contentView.ContentView implements view.AddArrayFromBuilder {
+        /**
+         * Dependency property used to hide the Navigation Bar in iOS and the Action Bar in Android.
+         */
+        public static navigationBarHiddenProperty: dependencyObservable.Property;
+
         /**
          * String value used when hooking to shownModally event.
          */
@@ -73,6 +78,11 @@ declare module "ui/page" {
 
         constructor(options?: Options)
 
+        /**
+         * Used to hide the Navigation Bar in iOS and the Action Bar in Android.
+         */
+        navigationBarHidden: boolean;
+
         /**
          * A valid css string which will be applied for all nested UI components (based on css rules).
          */

ui/page/page.ios.ts

@@ -175,6 +175,13 @@ export class Page extends pageCommon.Page {
         (<any>this)._isModal = false;
         (<any>this)._UIModalPresentationFormSheet = false;
     }
+
+    public _updateNavigationBar(hidden: boolean) {
+        if (this.ios.navigationController.navigationBarHidden !== hidden) {
+            this.ios.navigationController.navigationBarHidden = hidden;
+            this.requestLayout();
+        }
+    }
 }
 
 class TapBarItemHandlerImpl extends NSObject {

ui/tab-view/tab-view.android.ts

@@ -6,6 +6,7 @@ import trace = require("trace");
 import imageSource = require("image-source");
 import types = require("utils/types");
 import app = require("application");
+import page = require("ui/page");
 
 var VIEWS_STATES = "_viewStates";
 var RESOURCE_PREFIX = "res://";
@@ -345,6 +346,11 @@ export class TabView extends common.TabView {
     }
 
     public _addTabs(newItems: Array<definition.TabViewItem>) {
+        var parentPage = <page.Page>view.getAncestor(this, "Page");
+        if (parentPage && parentPage.navigationBarHidden) {
+            return;
+        }
+
         trace.write("TabView._addTabs(" + newItems + ");", common.traceCategory);
         super._addTabs(newItems);
 
@@ -364,6 +370,7 @@ export class TabView extends common.TabView {
         actionBar.setNavigationMode(android.app.ActionBar.NAVIGATION_MODE_TABS);
 
         this._originalActionBarIsShowing = actionBar.isShowing();
+
         actionBar.show();
 
         // TODO: Where will be the support for more ActionBar settings like Title, Navigation buttons, etc.?
@@ -416,6 +423,11 @@ export class TabView extends common.TabView {
     }
 
     public _removeTabs(oldItems: Array<definition.TabViewItem>) {
+        var parentPage = <page.Page>view.getAncestor(this, "Page");
+        if (parentPage && parentPage.navigationBarHidden) {
+            return;
+        }
+
         trace.write("TabView._removeTabs(" + oldItems + ");", common.traceCategory);
         super._removeTabs(oldItems);
 
@@ -469,13 +481,10 @@ export class TabView extends common.TabView {
 
         // Select the respective tab in the ActionBar.
         var actionBar = this._getActionBar();
-        if (actionBar) {
-            var actionBarSelectedIndex = actionBar.getSelectedNavigationIndex();
-            if (actionBarSelectedIndex !== index) {
+        if (actionBar && index < actionBar.getNavigationItemCount() && index !== actionBar.getSelectedNavigationIndex()) {
             trace.write("TabView actionBar.setSelectedNavigationItem("+index+")", common.traceCategory);
             actionBar.setSelectedNavigationItem(index);
         }
-        }
 
         // Select the respective page in the ViewPager
         var viewPagerSelectedIndex = this._android.getCurrentItem();