diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6a32b87fa..2bdcb26be 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -225,8 +225,10 @@ git checkout release
 ```
 2. Create a PR to cut the release:
 ```
-git checkout -b release-version
-git push --set-upstream origin release-version
+export RELEASE_VERSION=version
+export BRANCH="release-${RELEASE_VERSION}"
+git checkout -b ${BRANCH}
+git push --set-upstream origin ${BRANCH}
 ```
 #### Merge master in release branch or cherry-pick commits. If the commits are in release branch **skip this step**.
 ```
@@ -266,9 +268,13 @@ git push
 git tag release-version
 git push --tags
 ```
-9. Merge PR into release branch.
+9. Create a pull request. Replace env variables ${RELEASE_VERSION} and ${BRANCH} with their values
+```
+curl -d '{"title": "release: cut the ${RELEASE_VERSION} release","body": "docs: update changelog","head": "${BRANCH}","base": "release"}' -X POST https://api.github.com/repos/NativeScript/NativeScript/pulls -H "Authorization: token ${GIT_TOKEN}"
+```
+10. Merge PR into release branch.
 
-10. If all checks has passed publish package.
+11. If all checks has passed publish package.
 
 ## Merge changes from release into master
 
@@ -283,8 +289,9 @@ git pull
 ```
 2. Create PR to merge changes back in master and preserve history:
 ```
-git checkout -b merge-release-in-master
-git push --set-upstream origin merge-release-in-master
+export MERGE_BRANCH='merge-release-in-master'
+git checkout -b ${MERGE_BRANCH}
+git push --set-upstream origin ${MERGE_BRANCH}
 git merge origin/master
 ```
 3. Resolve conflicts. Choose to keep the version of master branch. If it is needed to revert versions of modules, see at the bottom.
@@ -299,6 +306,11 @@ git commit
 git push
 ```
 
+6. Create pull request. Replace replace env ${MERGE_BRANCH} with its value
+```
+curl -d '{"title": "chore: merge release in master","body": "chore: merge release in master","head": "merge-release-in-master","base": "master"}' -X POST https://api.github.com/repos/NativeScript/NativeScript/pulls -H "Authorization: token ${GIT_TOKEN}"
+```
+
 **If needed, revert version of modules and platform declarations to take the one from master:**
 ```
 git checkout origin/master tns-platform-declarations/package.json tns-core-modules/package.json
diff --git a/apps/app/ui-tests-app/modal-view/modal-view.ts b/apps/app/ui-tests-app/modal-view/modal-view.ts
index dec7ab7ab..9b570d05f 100644
--- a/apps/app/ui-tests-app/modal-view/modal-view.ts
+++ b/apps/app/ui-tests-app/modal-view/modal-view.ts
@@ -1,46 +1,61 @@
 import { Page } from "tns-core-modules/ui/page";
 import { Label } from "tns-core-modules/ui/label";
 
+function createCloseCallback(label: Label, context?: string): (username: string, password: string) => void {
+    return function (username: string, password: string) {
+        let result = username + "/" + password;
+        result = context ? context + "/" + result : result;
+        console.log(result);
+        label.text = result;
+    }
+}
+
+function openModal(page: Page, label: Label, context: string) {
+    page.showModal("ui-tests-app/modal-view/login-page", {
+        context,
+        closeCallback: createCloseCallback(label, context),
+        fullscreen: false,
+    });
+}
+
 export function onTap(args) {
     const page = <Page>args.object.page;
     const label = page.getViewById<Label>("label");
     var fullscreen = (<any>args.object).text.indexOf("(full-screen)") !== -1;
-    page.showModal("ui-tests-app/modal-view/login-page", "context", function (username: string, password: string) {
-        console.log(username + "/" + password);
-        label.text = username + "/" + password;
-    }, fullscreen);
+
+    page.showModal("ui-tests-app/modal-view/login-page", {
+        context: "context",
+        closeCallback: createCloseCallback(label),
+        fullscreen
+    });
 }
 
 export function onTapStretched(args) {
     const page = <Page>args.object.page;
     const label = page.getViewById<Label>("label");
-    var fullscreen = false;
-    var stretched = true;
 
-    page.showModal("ui-tests-app/modal-view/login-page", "context", function (username: string, password: string) {
-        console.log(username + "/" + password);
-        label.text = username + "/" + password;
-    }, fullscreen, false, stretched);
-}
-
-function openModal(page: Page, label: Label, context: string) {
-    page.showModal("ui-tests-app/modal-view/login-page", context, function (username: string, password: string) {
-        const result = context + "/" + username + "/" + password;
-        console.log(result);
-        label.text = result;
-    }, false);
+    page.showModal("ui-tests-app/modal-view/login-page", {
+        context: "context",
+        closeCallback: createCloseCallback(label),
+        fullscreen: false,
+        animated: false,
+        stretched: true
+    });
 }
 
 export function onTapSecondModalInCB(args) {
     const page = <Page>args.object.page;
     const label = page.getViewById<Label>("label");
-    page.showModal("ui-tests-app/modal-view/login-page", "First", function (username: string, password: string) {
-        const result = "First/" + username + "/" + password;
-        console.log(result);
-        label.text = result;
+    page.showModal("ui-tests-app/modal-view/login-page", {
+        context: "First",
+        closeCallback: (username: string, password: string) => {
+            const result = "First/" + username + "/" + password;
+            console.log(result);
+            label.text = result;
 
-        // Open second modal in the close callback of the first one.
-        openModal(page, label, "Second");
+            // Open second modal in the close callback of the first one.
+            openModal(page, label, "Second");
+        }
     });
 }
 
diff --git a/tests/app/ui/page/page-tests-common.ts b/tests/app/ui/page/page-tests-common.ts
index 7275ca10f..8f9f2da17 100644
--- a/tests/app/ui/page/page-tests-common.ts
+++ b/tests/app/ui/page/page-tests-common.ts
@@ -1,4 +1,4 @@
-// >> article-require-page-module
+// >> article-require-page-module
 import { Page, ShownModallyData, NavigatedData } from "tns-core-modules/ui/page";
 // FrameModule is needed in order to have an option to navigate to the new page.
 import { topmost, NavigationEntry } from "tns-core-modules/ui/frame";
@@ -422,8 +422,7 @@ export function test_WhenPageIsNavigatedToFrameCurrentPageIsNowTheSameAsThePage(
 }
 
 export function test_WhenInnerViewCallsCloseModal_WithArguments_ShouldPassResult() {
-    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) =>
-    {
+    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) => {
         const page = <Page>args.object;
         const button = <Button>page.content;
         return button.closeModal.bind(button);
@@ -431,8 +430,7 @@ export function test_WhenInnerViewCallsCloseModal_WithArguments_ShouldPassResult
 }
 
 export function test_WhenInnerViewCallsCloseModal_WithoutArguments_ShouldWork() {
-    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) =>
-    {
+    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) => {
         const page = <Page>args.object;
         const button = <Button>page.content;
         return button.closeModal.bind(button);
@@ -440,15 +438,13 @@ export function test_WhenInnerViewCallsCloseModal_WithoutArguments_ShouldWork()
 }
 
 export function test_WhenInnerViewCallsCloseCallback_WithArguments_ShouldPassResult() {
-    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) =>
-    {
+    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) => {
         return args.closeCallback;
     }, "return value");
 }
 
 export function test_WhenInnerViewCallsCloseCallback_WithoutArguments_ShouldWork() {
-    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) =>
-    {
+    _test_WhenInnerViewCallsCloseModal((args: ShownModallyData) => {
         return args.closeCallback;
     });
 }
@@ -460,14 +456,14 @@ function _test_WhenInnerViewCallsCloseModal(closeModalGetter: (ShownModallyData)
         modalClosedWithResult = returnValue === result;
     }
 
-    const modalPageShownModallyEventHandler = function(args: ShownModallyData) {
+    const modalPageShownModallyEventHandler = function (args: ShownModallyData) {
         const page = <Page>args.object;
         page.off(View.shownModallyEvent, modalPageShownModallyEventHandler);
-        
+
         closeModalGetter(args)(result);
     }
 
-    const hostNavigatedToEventHandler = function(args: NavigatedData) {
+    const hostNavigatedToEventHandler = function (args: NavigatedData) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -482,11 +478,11 @@ function _test_WhenInnerViewCallsCloseModal(closeModalGetter: (ShownModallyData)
         (<Button>page.content).showModal(modalPage, {}, modalCloseCallback);
     }
 
-    const masterPageFactory = function(): Page {
+    const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenInnerViewCallsCloseModal_WithArguments_ShouldPassResult";
         masterPage.on(Page.navigatedToEvent, hostNavigatedToEventHandler)
-        
+
         const button = new Button();
         button.text = "TAP";
         masterPage.content = button;
@@ -511,7 +507,7 @@ export function test_WhenViewBaseCallsShowModal_WithArguments_ShouldOpenModal()
         modalClosed = true;
     }
 
-    const createTabItems = function(count: number) {
+    const createTabItems = function (count: number) {
         var items = new Array<TabViewItem>();
 
         for (var i = 0; i < count; i++) {
@@ -527,13 +523,13 @@ export function test_WhenViewBaseCallsShowModal_WithArguments_ShouldOpenModal()
         return items;
     }
 
-    const modalPageShownModallyEventHandler = function(args: ShownModallyData) {
+    const modalPageShownModallyEventHandler = function (args: ShownModallyData) {
         const page = <Page>args.object;
         page.off(View.shownModallyEvent, modalPageShownModallyEventHandler);
         args.closeCallback();
     }
 
-    const hostNavigatedToEventHandler = function(args) {
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -544,11 +540,11 @@ export function test_WhenViewBaseCallsShowModal_WithArguments_ShouldOpenModal()
         tabViewItem.showModal(modalPage, {}, modalCloseCallback, false, false);
     }
 
-    const masterPageFactory = function(): Page {
+    const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenViewBaseCallsShowModal_WithArguments_ShouldOpenModal";
         masterPage.on(Page.navigatedToEvent, hostNavigatedToEventHandler)
-        
+
         const tabView = new TabView();
         tabView.items = createTabItems(2);
         masterPage.content = tabView;
@@ -566,11 +562,14 @@ export function test_WhenViewBaseCallsShowModal_WithArguments_ShouldOpenModal()
     }
 }
 
-export function test_WhenViewBaseCallsShowModal_WithoutArguments_ShouldThrow() {
-    let navigatedTo = false;
-    let modalThrows = false;
+export function test_WhenViewBaseCallsShowModal_WithShowModalOptionsArguments_ShouldOpenModal() {
+    let modalClosed = false;
 
-    const createTabItems = function(count: number) {
+    const modalCloseCallback = function (returnValue: any) {
+        modalClosed = true;
+    }
+
+    const createTabItems = function (count: number) {
         var items = new Array<TabViewItem>();
 
         for (var i = 0; i < count; i++) {
@@ -586,10 +585,69 @@ export function test_WhenViewBaseCallsShowModal_WithoutArguments_ShouldThrow() {
         return items;
     }
 
-    const hostNavigatedToEventHandler = function(args) {
+    const modalPageShownModallyEventHandler = function (args: ShownModallyData) {
+        const page = <Page>args.object;
+        page.off(View.shownModallyEvent, modalPageShownModallyEventHandler);
+        args.closeCallback();
+    }
+
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
-     
+
+        const modalPage = new Page();
+        modalPage.id = "modalPage_test_WhenViewBaseCallsShowModal_WithShowModalOptionsArguments_ShouldOpenModal";
+        modalPage.on(View.shownModallyEvent, modalPageShownModallyEventHandler);
+        const tabViewItem = (<TabView>page.content).items[0];
+        tabViewItem.showModal(modalPage, {
+            context: {},
+            closeCallback: modalCloseCallback,
+            fullscreen: false,
+            animated: false
+        });
+    }
+
+    const masterPageFactory = function (): Page {
+        const masterPage = new Page();
+        masterPage.id = "masterPage_test_WhenViewBaseCallsShowModal_WithShowModalOptionsArguments_ShouldOpenModal";
+        masterPage.on(Page.navigatedToEvent, hostNavigatedToEventHandler)
+
+        const tabView = new TabView();
+        tabView.items = createTabItems(2);
+        masterPage.content = tabView;
+
+        return masterPage;
+    };
+
+    helper.navigate(masterPageFactory);
+
+    TKUnit.waitUntilReady(() => modalClosed);
+}
+
+export function test_WhenViewBaseCallsShowModal_WithoutArguments_ShouldThrow() {
+    let navigatedTo = false;
+    let modalThrows = false;
+
+    const createTabItems = function (count: number) {
+        var items = new Array<TabViewItem>();
+
+        for (var i = 0; i < count; i++) {
+            var label = new Label();
+            label.text = "Tab " + i;
+            var tabEntry = new TabViewItem();
+            tabEntry.title = "Tab " + i;
+            tabEntry.view = label;
+
+            items.push(tabEntry);
+        }
+
+        return items;
+    }
+
+    const hostNavigatedToEventHandler = function (args) {
+        const page = <Page>args.object;
+        page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
+
         const hostPage = <Page>args.object;
         const tabViewItem = (<TabView>page.content).items[0];
         try {
@@ -601,11 +659,11 @@ export function test_WhenViewBaseCallsShowModal_WithoutArguments_ShouldThrow() {
         navigatedTo = true;
     }
 
-    const masterPageFactory = function(): Page {
+    const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenViewBaseCallsShowModal_WithoutArguments_ShouldThrow";
         masterPage.on(Page.navigatedToEvent, hostNavigatedToEventHandler)
-        
+
         const tabView = new TabView();
         tabView.items = createTabItems(2);
         masterPage.content = tabView;
@@ -667,7 +725,7 @@ export function test_WhenRootTabViewShownModallyItCanCloseModal() {
         modalClosed = true;
     }
 
-    const createTabItems = function(count: number) {
+    const createTabItems = function (count: number) {
         var items = new Array<TabViewItem>();
 
         for (var i = 0; i < count; i++) {
@@ -683,11 +741,11 @@ export function test_WhenRootTabViewShownModallyItCanCloseModal() {
         return items;
     }
 
-    const tabViewShownModallyEventHandler = function(args: ShownModallyData) {
+    const tabViewShownModallyEventHandler = function (args: ShownModallyData) {
         args.closeCallback("return value");
     }
 
-    const hostNavigatedToEventHandler = function(args) {
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -698,7 +756,7 @@ export function test_WhenRootTabViewShownModallyItCanCloseModal() {
         page.showModal(tabView, {}, modalCloseCallback, false, false);
     }
 
-    const masterPageFactory = function(): Page {
+    const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenRootTabViewShownModallyItCanCloseModal";
         masterPage.on(Page.navigatedToEvent, hostNavigatedToEventHandler);
@@ -832,11 +890,11 @@ export function test_WhenModalPageShownHostPageNavigationEventsShouldNotBeRaised
         hostNavigatedFromCount++;
     };
 
-    const modalPageShownModallyEventHandler = function() {
+    const modalPageShownModallyEventHandler = function () {
         TKUnit.assertEqual(stack().length, 1, "Single frame should be instantiated at this point!");
     }
 
-    const hostNavigatedToEventHandler2 = function(args: NavigatedData) {
+    const hostNavigatedToEventHandler2 = function (args: NavigatedData) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler2);
 
@@ -852,7 +910,7 @@ export function test_WhenModalPageShownHostPageNavigationEventsShouldNotBeRaised
 
         page.showModal(modalPage, {}, modalCloseCallback, false, false);
     }
-    
+
     const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenModalPageShownHostPageNavigationEventsShouldNotBeRaised";
@@ -915,12 +973,12 @@ export function test_WhenModalPageShownModalNavigationToEventsShouldBeRaised() {
         modalNavigatedFromCount++;
     };
 
-    const modalFrameShownModallyEventHandler = function(args) {
+    const modalFrameShownModallyEventHandler = function (args) {
         const basePath = "ui/page/";
         const entry: NavigationEntry = {
             moduleName: basePath + "modal-page"
-        };        
-        
+        };
+
         const modalPage = createViewFromEntry(entry) as Page;
         modalPage.on(Page.navigatingToEvent, modalNavigatingToEventHandler);
         modalPage.on(Page.navigatedToEvent, modalNavigatedToEventHandler);
@@ -932,7 +990,7 @@ export function test_WhenModalPageShownModalNavigationToEventsShouldBeRaised() {
 
     let modalFrame;
 
-    const hostNavigatedToEventHandler = function(args) {
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -941,7 +999,7 @@ export function test_WhenModalPageShownModalNavigationToEventsShouldBeRaised() {
 
         page.showModal(modalFrame, {}, modalCloseCallback, false, false);
     }
-    
+
     const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenModalPageShownModalNavigationToEventsShouldBeRaised";
@@ -981,11 +1039,11 @@ export function test_WhenModalFrameShownModalEventsRaisedOnRootModalFrame() {
         ready = true;
     }
 
-    const modalFrameShowingModallyEventHandler = function(args: ShownModallyData) {
+    const modalFrameShowingModallyEventHandler = function (args: ShownModallyData) {
         showingModallyCount++;
     }
 
-    const modalFrameShownModallyEventHandler = function(args: ShownModallyData) {
+    const modalFrameShownModallyEventHandler = function (args: ShownModallyData) {
         shownModallyCount++;
         TKUnit.assertEqual(stack().length, 2, "Host and modal frame should be instantiated at this point!");
 
@@ -994,7 +1052,7 @@ export function test_WhenModalFrameShownModalEventsRaisedOnRootModalFrame() {
 
     let modalFrame;
 
-    const hostNavigatedToEventHandler = function(args) {
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -1016,7 +1074,7 @@ export function test_WhenModalFrameShownModalEventsRaisedOnRootModalFrame() {
 
         page.showModal(modalFrame, {}, modalCloseCallback, false, false);
     }
-    
+
     const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenModalFrameShownModalEventsRaisedOnRootModalFrame";
@@ -1051,11 +1109,11 @@ export function test_WhenModalPageShownShowModalEventsRaisedOnRootModalPage() {
         ready = true;
     }
 
-    const modalPageShowingModallyEventHandler = function(args: ShownModallyData) {
+    const modalPageShowingModallyEventHandler = function (args: ShownModallyData) {
         showingModallyCount++;
     }
 
-    const modalPageShownModallyEventHandler = function(args: ShownModallyData) {
+    const modalPageShownModallyEventHandler = function (args: ShownModallyData) {
         shownModallyCount++;
 
         setTimeout(() => {
@@ -1063,7 +1121,7 @@ export function test_WhenModalPageShownShowModalEventsRaisedOnRootModalPage() {
         }, 0);
     }
 
-    const hostNavigatedToEventHandler = function(args) {
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -1078,7 +1136,7 @@ export function test_WhenModalPageShownShowModalEventsRaisedOnRootModalPage() {
 
         page.showModal(modalPage, {}, modalCloseCallback, false, false);
     }
-    
+
     const masterPageFactory = function (): Page {
         const masterPage = new Page();
         masterPage.id = "masterPage_test_WhenModalPageShownShowModalEventsRaisedOnRootModalPage";
@@ -1114,15 +1172,15 @@ export function test_WhenModalPageShownShowModalEventsRaisedOnRootModalTabView()
         setTimeout(() => ready = true, 50);
     }
 
-    const modalTabViewShowingModallyEventHandler = function(args: ShownModallyData) {
+    const modalTabViewShowingModallyEventHandler = function (args: ShownModallyData) {
         showingModallyCount++;
     }
 
-    const modalTabViewShownModallyEventHandler = function(args: ShownModallyData) {
+    const modalTabViewShownModallyEventHandler = function (args: ShownModallyData) {
         shownModallyCount++;
     }
-    
-    const hostNavigatedToEventHandler = function(args) {
+
+    const hostNavigatedToEventHandler = function (args) {
         const page = <Page>args.object;
         page.off(Page.navigatedToEvent, hostNavigatedToEventHandler);
 
@@ -1139,7 +1197,7 @@ export function test_WhenModalPageShownShowModalEventsRaisedOnRootModalTabView()
 
         TKUnit.assertEqual(stack().length, 2, "Host and tab modal frame should be instantiated at this point!");
 
-        page.showModal(modalTabView, { }, modalCloseCallback, false, false);
+        page.showModal(modalTabView, {}, modalCloseCallback, false, false);
     }
 
     const masterPageFactory = function (): Page {
diff --git a/tests/app/ui/root-view/reset-root-view-tests.ts b/tests/app/ui/root-view/reset-root-view-tests.ts
index f28f8aafa..08e04e808 100644
--- a/tests/app/ui/root-view/reset-root-view-tests.ts
+++ b/tests/app/ui/root-view/reset-root-view-tests.ts
@@ -1,10 +1,19 @@
 import * as TKUnit from "../../TKUnit";
 import * as helper from "../helper";
 import { Page } from "tns-core-modules/ui/page";
+import { isAndroid } from "tns-core-modules/platform";
 import { Frame, NavigationEntry, stack } from "tns-core-modules/ui/frame";
 import { _resetRootView, getRootView } from "tns-core-modules/application";
 import { TabView, TabViewItem } from "tns-core-modules/ui/tab-view";
 
+function waitUntilTabViewReady(page: Page, action: Function) {
+    helper.waitUntilNavigatedTo(page, action);
+
+    if (isAndroid) {
+        TKUnit.waitUntilReady(() => page.frame._currentEntry.fragment.isAdded());
+    }
+}
+
 function createTestFrameRootEntry() {
     const page = new Page();
     const frameRoot = new Frame();
@@ -77,7 +86,7 @@ export function test_reset_frame_to_tab() {
 
     const testTabRoot = createTestTabRootEntry();
 
-    helper.waitUntilNavigatedTo(testTabRoot.page, () => _resetRootView(testTabRoot.entry));
+    waitUntilTabViewReady(testTabRoot.page, () => _resetRootView(testTabRoot.entry));
 
     const rootView2 = getRootView();
     const frameStack2 = stack();
@@ -88,7 +97,7 @@ export function test_reset_frame_to_tab() {
 export function test_reset_tab_to_frame() {
     const testTabRoot = createTestTabRootEntry();
 
-    helper.waitUntilNavigatedTo(testTabRoot.page, () => _resetRootView(testTabRoot.entry));
+    waitUntilTabViewReady(testTabRoot.page, () => _resetRootView(testTabRoot.entry));
 
     const rootView2 = getRootView();
     const frameStack2 = stack();
@@ -108,7 +117,7 @@ export function test_reset_tab_to_frame() {
 export function test_reset_tab_to_tab() {
     const testTabRoot1 = createTestTabRootEntry();
 
-    helper.waitUntilNavigatedTo(testTabRoot1.page, () => _resetRootView(testTabRoot1.entry));
+    waitUntilTabViewReady(testTabRoot1.page, () => _resetRootView(testTabRoot1.entry));
 
     const rootView1 = getRootView();
     const frameStack1 = stack();
@@ -117,7 +126,7 @@ export function test_reset_tab_to_tab() {
 
     const testTabRoot2 = createTestTabRootEntry();
 
-    helper.waitUntilNavigatedTo(testTabRoot2.page, () => _resetRootView(testTabRoot2.entry));
+    waitUntilTabViewReady(testTabRoot2.page, () => _resetRootView(testTabRoot2.entry));
 
     const rootView2 = getRootView();
     const frameStack2 = stack();
@@ -128,7 +137,7 @@ export function test_reset_tab_to_tab() {
 export function test_reset_during_tab_index_change() {
     const testTabRoot = createTestTabRootEntry();
 
-    helper.waitUntilNavigatedTo(testTabRoot.page, () => _resetRootView(testTabRoot.entry));
+    waitUntilTabViewReady(testTabRoot.page, () => _resetRootView(testTabRoot.entry));
 
     testTabRoot.root.selectedIndex = 1;
 
diff --git a/tests/app/ui/tab-view/tab-view-root-tests.ts b/tests/app/ui/tab-view/tab-view-root-tests.ts
index 18d0fc99a..eb181e589 100644
--- a/tests/app/ui/tab-view/tab-view-root-tests.ts
+++ b/tests/app/ui/tab-view/tab-view-root-tests.ts
@@ -18,6 +18,16 @@ function waitUntilNavigatedToMaxTimeout(pages: Page[], action: Function) {
     TKUnit.waitUntilReady(() => completed === pages.length, maxTimeout);
 }
 
+function waitUntilTabViewReady(page: Page, action: Function) {
+    action();
+
+    if (isAndroid) {
+        TKUnit.waitUntilReady(() => page.frame._currentEntry.fragment.isAdded());
+    } else {
+        TKUnit.waitUntilReady(() => page.isLoaded);
+    }
+}
+
 function createPage(i: number) {
     const page = new Page();
     page.id = `Tab${i} Frame${i} Page${i}`;
@@ -60,25 +70,21 @@ export function test_frame_topmost_matches_selectedIndex() {
     const items = createTabItemsWithFrames(3);
     const tabView = new TabView();
     tabView.items = items.map(item => item.tabItem);
-    tabView.selectedIndex = 0;
+
+    // iOS cannot preload tab items
+    // Android preloads 1 tab item to the sides by default
+    // set this to 0, so that both platforms behave the same.
+    tabView.androidOffscreenTabLimit = 0;
 
     const entry: NavigationEntry = {
         create: () => tabView
     };
 
-    if (isAndroid) {
-        waitUntilNavigatedToMaxTimeout([items[0].page, items[1].page], () => _resetRootView(entry));
-        TKUnit.assertEqual(topmost().id, "Tab0 Frame0");
-    
-        tabView.selectedIndex = 1;
-        TKUnit.assertEqual(topmost().id, "Tab1 Frame1");
-    } else {
-        waitUntilNavigatedToMaxTimeout([items[0].page], () => _resetRootView(entry));
-        TKUnit.assertEqual(topmost().id, "Tab0 Frame0");
+    waitUntilNavigatedToMaxTimeout([items[0].page], () => _resetRootView(entry));
+    TKUnit.assertEqual(topmost().id, "Tab0 Frame0");
 
-        waitUntilNavigatedToMaxTimeout([items[1].page], () => tabView.selectedIndex = 1);
-        TKUnit.assertEqual(topmost().id, "Tab1 Frame1");
-    }
+    waitUntilNavigatedToMaxTimeout([items[1].page], () => tabView.selectedIndex = 1);
+    TKUnit.assertEqual(topmost().id, "Tab1 Frame1");
 }
 
 export function test_offset_zero_should_raise_same_events() {
@@ -159,8 +165,8 @@ export function test_offset_zero_should_raise_same_events() {
     TKUnit.assertDeepEqual(actualEventsRaised, expectedEventsRaisedAfterSelectThirdTab);
 
     resetActualEventsRaised();
-    tabView.selectedIndex = 0;
-    TKUnit.waitUntilReady(() => items[0].page.isLoaded);
+
+    waitUntilTabViewReady(items[0].page, () => tabView.selectedIndex = 0);
 
     const expectedEventsRaisedAfterReturnToFirstTab = [
         [
@@ -256,8 +262,8 @@ export function test_android_default_offset_should_preload_1_tab_on_each_side()
         TKUnit.assertDeepEqual(actualEventsRaised, expectedEventsRaisedAfterSelectThirdTab);
 
         resetActualEventsRaised();
-        tabView.selectedIndex = 0;
-        TKUnit.waitUntilReady(() => items[0].page.isLoaded);
+
+        waitUntilTabViewReady(items[0].page, () => tabView.selectedIndex = 0);
 
         const expectedEventsRaisedAfterReturnToFirstTab = [
             [
diff --git a/tests/package.json b/tests/package.json
index f7bba71ae..e5d9d7690 100644
--- a/tests/package.json
+++ b/tests/package.json
@@ -6,10 +6,10 @@
   "nativescript": {
     "id": "org.nativescript.UnitTestApp",
     "tns-ios": {
-      "version": "5.0.0"
+      "version": "5.1.0"
     },
     "tns-android": {
-      "version": "5.0.0"
+      "version": "5.1.0"
     }
   },
   "dependencies": {
@@ -25,4 +25,4 @@
     "tns-platform-declarations": "*",
     "typescript": "^3.1.6"
   }
-}
\ No newline at end of file
+}
diff --git a/tns-core-modules/application/application.ios.ts b/tns-core-modules/application/application.ios.ts
index a02f6ad70..89bcf2878 100644
--- a/tns-core-modules/application/application.ios.ts
+++ b/tns-core-modules/application/application.ios.ts
@@ -21,9 +21,20 @@ import { Frame, NavigationEntry } from "../ui/frame";
 import * as utils from "../utils/utils";
 import { profile, level as profilingLevel, Level } from "../profiling";
 
-class Responder extends UIResponder {
-    //
-}
+// NOTE: UIResponder with implementation of window - related to https://github.com/NativeScript/ios-runtime/issues/430 
+// TODO: Refactor the UIResponder to use Typescript extends when this issue is resolved:
+// https://github.com/NativeScript/ios-runtime/issues/1012
+var Responder = (<any>UIResponder).extend({
+    get window() {
+        return iosApp ? iosApp.window : undefined;
+    },
+    set window(setWindow) {
+        // NOOP
+    }
+}, {
+        protocols: [UIApplicationDelegate]
+    }
+);
 
 class NotificationObserver extends NSObject {
     private _onReceiveCallback: (notification: NSNotification) => void;
diff --git a/tns-core-modules/package.json b/tns-core-modules/package.json
index d3fa185c8..17a3e7421 100644
--- a/tns-core-modules/package.json
+++ b/tns-core-modules/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tns-core-modules",
   "description": "Telerik NativeScript Core Modules",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "homepage": "https://www.nativescript.org",
   "repository": {
     "type": "git",
@@ -26,7 +26,7 @@
   "license": "Apache-2.0",
   "typings": "tns-core-modules.d.ts",
   "dependencies": {
-    "tns-core-modules-widgets": "5.1.1",
+    "tns-core-modules-widgets": "next",
     "tslib": "^1.9.3"
   },
   "devDependencies": {
diff --git a/tns-core-modules/ui/core/view-base/view-base.d.ts b/tns-core-modules/ui/core/view-base/view-base.d.ts
index e6298d714..1b2feb89a 100644
--- a/tns-core-modules/ui/core/view-base/view-base.d.ts
+++ b/tns-core-modules/ui/core/view-base/view-base.d.ts
@@ -46,6 +46,43 @@ export function isEventOrGesture(name: string, view: ViewBase): boolean;
  */
 export function getViewById(view: ViewBase, id: string): ViewBase;
 
+export interface ShowModalOptions {
+    /**
+     * Any context you want to pass to the modally shown view. This same context will be available in the arguments of the shownModally event handler.
+     */
+    context: any;
+
+    /**
+    * A function that will be called when the view is closed. Any arguments provided when calling ShownModallyData.closeCallback will be available here.
+    */
+    closeCallback: Function;
+
+    /**
+     * An optional parameter specifying whether to show the modal view in full-screen mode.
+     */
+    fullscreen?: boolean;
+
+    /**
+     * An optional parameter specifying whether to show the modal view with animation.
+     */
+    animated?: boolean;
+
+    /**
+     * An optional parameter specifying whether to stretch the modal view when not in full-screen mode.
+     */
+    stretched?: boolean;
+
+    /**
+     * An optional parameter that specify options specific to iOS as an object.
+     */
+    ios?: {
+        /**
+         * The UIModalPresentationStyle to be used when showing the dialog in iOS .
+         */
+        presentationStyle: any /* UIModalPresentationStyle */
+    }
+}
+
 export abstract class ViewBase extends Observable {
     // Dynamic properties.
     left: Length;
@@ -110,6 +147,7 @@ export abstract class ViewBase extends Observable {
     //@endprivate
 
     /**
+     * @deprecated Use showModal with ShowModalOptions instead.
      * Shows the View contained in moduleName as a modal view.
      * @param moduleName - The name of the module to load starting from the application root.
      * @param context - Any context you want to pass to the modally shown view.
@@ -123,6 +161,7 @@ export abstract class ViewBase extends Observable {
     showModal(moduleName: string, context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean): ViewBase;
 
     /**
+     * @deprecated Use showModal with ShowModalOptions instead.
      * Shows the view passed as parameter as a modal view.
      * @param view - View instance to be shown modally.
      * @param context - Any context you want to pass to the modally shown view. This same context will be available in the arguments of the shownModally event handler.
@@ -133,6 +172,20 @@ export abstract class ViewBase extends Observable {
      */
     showModal(view: ViewBase, context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean): ViewBase;
 
+    /**
+     * Shows the View contained in moduleName as a modal view.
+     * @param moduleName - The name of the module to load starting from the application root.
+     * @param modalOptions - A ShowModalOptions instance
+     */
+    showModal(moduleName: string, modalOptions: ShowModalOptions): ViewBase;
+
+    /**
+     * Shows the view passed as parameter as a modal view.
+     * @param view - View instance to be shown modally.
+     * @param modalOptions - A ShowModalOptions instance
+     */
+    showModal(view: ViewBase, modalOptions: ShowModalOptions): ViewBase;
+
     /**
      * Deprecated. Showing view as modal is deprecated.
      * Use showModal method with arguments.
@@ -259,7 +312,7 @@ export abstract class ViewBase extends Observable {
     public requestLayout(): void;
 
     /**
-     * Iterates over children of type ViewBase. 
+     * Iterates over children of type ViewBase.
      * @param callback Called for each child of type ViewBase. Iteration stops if this method returns falsy value.
      */
     public eachChild(callback: (child: ViewBase) => boolean): void;
@@ -291,7 +344,7 @@ export abstract class ViewBase extends Observable {
     /**
      * @private
      * Notifies each child's css state for change, recursively.
-     * Either the style scope, className or id properties were changed. 
+     * Either the style scope, className or id properties were changed.
      */
     _onCssStateChange(): void;
 
@@ -309,7 +362,7 @@ export abstract class ViewBase extends Observable {
 
     _context: any /* android.content.Context */;
 
-    /** 
+    /**
      * Setups the UI for ViewBase and all its children recursively.
      * This method should *not* be overridden by derived views.
      */
diff --git a/tns-core-modules/ui/core/view/view-common.ts b/tns-core-modules/ui/core/view/view-common.ts
index c16b34372..b52989865 100644
--- a/tns-core-modules/ui/core/view/view-common.ts
+++ b/tns-core-modules/ui/core/view/view-common.ts
@@ -7,7 +7,8 @@ import {
 import {
     ViewBase, Property, booleanConverter, EventData, layout,
     getEventOrGestureName, traceEnabled, traceWrite, traceCategories,
-    InheritedProperty
+    InheritedProperty,
+    ShowModalOptions
 } from "../view-base";
 
 import { HorizontalAlignment, VerticalAlignment, Visibility, Length, PercentLength } from "../../styling/style-properties";
@@ -215,25 +216,41 @@ export abstract class ViewCommon extends ViewBase implements ViewDefinition {
         return undefined;
     }
 
-    public showModal(): ViewDefinition {
-        if (arguments.length === 0) {
+    private getModalOptions(args: IArguments): { view: ViewCommon, options: ShowModalOptions } {
+        if (args.length === 0) {
             throw new Error("showModal without parameters is deprecated. Please call showModal on a view instance instead.");
         } else {
-            const firstAgrument = arguments[0];
-            const context: any = arguments[1];
-            const closeCallback: Function = arguments[2];
-            const fullscreen: boolean = arguments[3];
-            const animated = arguments[4];
-            const stretched = arguments[5];
+            let options: ShowModalOptions = null;
 
-            const view = firstAgrument instanceof ViewCommon
-                ? firstAgrument : <ViewCommon>createViewFromEntry({ moduleName: firstAgrument });
+            if (args.length === 2) {
+                options = <ShowModalOptions>args[1];
+            } else {
+                // TODO: Add deprecation warning
+                options = {
+                    context: args[1],
+                    closeCallback: args[2],
+                    fullscreen: args[3],
+                    animated: args[4],
+                    stretched: args[5]
+                };
+            }
 
-            view._showNativeModalView(this, context, closeCallback, fullscreen, animated, stretched);
-            return view;
+            const firstArgument = args[0];
+            const view = firstArgument instanceof ViewCommon
+                ? firstArgument : <ViewCommon>createViewFromEntry({ moduleName: firstArgument });
+
+            return { view, options };
         }
     }
 
+    public showModal(): ViewDefinition {
+        const { view, options } = this.getModalOptions(arguments);
+
+        view._showNativeModalView(this, options);
+
+        return view;
+    }
+
     public closeModal(...args) {
         let closeCallback = this._closeModalCallback;
         if (closeCallback) {
@@ -250,12 +267,12 @@ export abstract class ViewCommon extends ViewBase implements ViewDefinition {
         return this._modal;
     }
 
-    protected _showNativeModalView(parent: ViewCommon, context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean) {
+    protected _showNativeModalView(parent: ViewCommon, options: ShowModalOptions) { //context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean, iosOpts?: any) {
         _rootModalViews.push(this);
 
         parent._modal = this;
         this._modalParent = parent;
-        this._modalContext = context;
+        this._modalContext = options.context;
         const that = this;
         this._closeModalCallback = function (...originalArgs) {
             if (that._closeModalCallback) {
@@ -268,8 +285,8 @@ export abstract class ViewCommon extends ViewBase implements ViewDefinition {
                 parent._modal = null;
 
                 const whenClosedCallback = () => {
-                    if (typeof closeCallback === "function") {
-                        closeCallback.apply(undefined, originalArgs);
+                    if (typeof options.closeCallback === "function") {
+                        options.closeCallback.apply(undefined, originalArgs);
                     }
                 }
 
diff --git a/tns-core-modules/ui/core/view/view.android.ts b/tns-core-modules/ui/core/view/view.android.ts
index a75bfc731..66789f729 100644
--- a/tns-core-modules/ui/core/view/view.android.ts
+++ b/tns-core-modules/ui/core/view/view.android.ts
@@ -6,7 +6,7 @@ import {
     ViewCommon, layout, isEnabledProperty, originXProperty, originYProperty, automationTextProperty, isUserInteractionEnabledProperty,
     traceEnabled, traceWrite, traceCategories, traceNotifyEvent,
     paddingLeftProperty, paddingTopProperty, paddingRightProperty, paddingBottomProperty,
-    Color, EventData
+    Color, EventData, ShowModalOptions
 } from "./view-common";
 
 import {
@@ -574,9 +574,8 @@ export class View extends ViewCommon {
 
         return result | (childMeasuredState & layout.MEASURED_STATE_MASK);
     }
-
-    protected _showNativeModalView(parent: View, context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean) {
-        super._showNativeModalView(parent, context, closeCallback, fullscreen, stretched);
+    protected _showNativeModalView(parent: View, options: ShowModalOptions) { //context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean, iosOpts?: any) {
+        super._showNativeModalView(parent, options);
         if (!this.backgroundColor) {
             this.backgroundColor = new Color("White");
         }
@@ -590,8 +589,8 @@ export class View extends ViewCommon {
 
         const dialogOptions: DialogOptions = {
             owner: this,
-            fullscreen: !!fullscreen,
-            stretched: !!stretched,
+            fullscreen: !!options.fullscreen,
+            stretched: !!options.stretched,
             shownCallback: () => this._raiseShownModallyEvent(),
             dismissCallback: () => this.closeModal()
         }
diff --git a/tns-core-modules/ui/core/view/view.ios.ts b/tns-core-modules/ui/core/view/view.ios.ts
index be5374f77..06e62e42d 100644
--- a/tns-core-modules/ui/core/view/view.ios.ts
+++ b/tns-core-modules/ui/core/view/view.ios.ts
@@ -5,7 +5,7 @@ import { booleanConverter, Property } from "../view";
 
 import {
     ViewCommon, layout, isEnabledProperty, originXProperty, originYProperty, automationTextProperty, isUserInteractionEnabledProperty,
-    traceEnabled, traceWrite, traceCategories, traceError, traceMessageType, getAncestor
+    traceEnabled, traceWrite, traceCategories, traceError, traceMessageType, ShowModalOptions
 } from "./view-common";
 
 import { ios as iosBackground, Background } from "../../styling/background";
@@ -150,7 +150,7 @@ export class View extends ViewCommon {
     }
 
     public onLayout(left: number, top: number, right: number, bottom: number): void {
-        // 
+        //
     }
 
     public _setNativeViewFrame(nativeView: UIView, frame: CGRect): void {
@@ -371,7 +371,7 @@ export class View extends ViewCommon {
         return this._suspendCATransaction || this._suspendNativeUpdatesCount;
     }
 
-    protected _showNativeModalView(parent: View, context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean) {
+    protected _showNativeModalView(parent: View, options: ShowModalOptions) { //context: any, closeCallback: Function, fullscreen?: boolean, animated?: boolean, stretched?: boolean, iosOpts?: any) {
         const parentWithController = ios.getParentWithViewController(parent);
         if (!parentWithController) {
             traceWrite(`Could not find parent with viewController for ${parent} while showing modal view.`,
@@ -394,7 +394,7 @@ export class View extends ViewCommon {
 
         this._setupAsRootView({});
 
-        super._showNativeModalView(parentWithController, context, closeCallback, fullscreen, stretched);
+        super._showNativeModalView(parentWithController, options);
         let controller = this.viewController;
         if (!controller) {
             const nativeView = this.ios || this.nativeViewProtected;
@@ -407,17 +407,31 @@ export class View extends ViewCommon {
             this.viewController = controller;
         }
 
-        if (fullscreen) {
+        if (options.fullscreen) {
             controller.modalPresentationStyle = UIModalPresentationStyle.FullScreen;
         } else {
             controller.modalPresentationStyle = UIModalPresentationStyle.FormSheet;
         }
 
+        if (options.ios && options.ios.presentationStyle) {
+            const presentationStyle = options.ios.presentationStyle;
+            controller.modalPresentationStyle = presentationStyle;
+
+            if (presentationStyle === UIModalPresentationStyle.Popover) {
+                const popoverPresentationController = controller.popoverPresentationController;
+                const view = parent.nativeViewProtected;
+                // Note: sourceView and sourceRect are needed to specify the anchor location for the popover.
+                // Note: sourceView should be the button triggering the modal. If it the Page the popover might appear "behind" the page content
+                popoverPresentationController.sourceView = view;
+                popoverPresentationController.sourceRect = CGRectMake(0, 0, view.frame.size.width, view.frame.size.height);
+            }
+        }
+
         this.horizontalAlignment = "stretch";
         this.verticalAlignment = "stretch";
 
         this._raiseShowingModallyEvent();
-        animated = animated === undefined ? true : !!animated;
+        const animated = options.animated === undefined ? true : !!options.animated;
         (<any>controller).animated = animated;
         parentController.presentViewControllerAnimatedCompletion(controller, animated, null);
         const transitionCoordinator = iosUtils.getter(parentController, parentController.transitionCoordinator);
diff --git a/tns-core-modules/ui/frame/fragment.android.ts b/tns-core-modules/ui/frame/fragment.android.ts
index 86b3ccc2c..99da04835 100644
--- a/tns-core-modules/ui/frame/fragment.android.ts
+++ b/tns-core-modules/ui/frame/fragment.android.ts
@@ -1,10 +1,10 @@
 import { AndroidFragmentCallbacks, setFragmentCallbacks, setFragmentClass } from "./frame";
 
 @JavaProxy("com.tns.FragmentClass")
-class FragmentClass extends android.support.v4.app.Fragment {
+class FragmentClass extends org.nativescript.widgets.FragmentBase {
     // This field is updated in the frame module upon `new` (although hacky this eases the Fragment->callbacks association a lot)
     private _callbacks: AndroidFragmentCallbacks;
-
+    
     constructor() {
         super();
         return global.__native(this);
@@ -15,8 +15,7 @@ class FragmentClass extends android.support.v4.app.Fragment {
     }
 
     public onCreateAnimator(transit: number, enter: boolean, nextAnim: number): android.animation.Animator {
-        let result = this._callbacks.onCreateAnimator(this, transit, enter, nextAnim, super.onCreateAnimator);
-        return result;
+        return this._callbacks.onCreateAnimator(this, transit, enter, nextAnim, super.onCreateAnimator);
     }
 
     public onStop(): void {
diff --git a/tns-core-modules/ui/frame/fragment.transitions.android.ts b/tns-core-modules/ui/frame/fragment.transitions.android.ts
index 43eefeeff..95d682b03 100644
--- a/tns-core-modules/ui/frame/fragment.transitions.android.ts
+++ b/tns-core-modules/ui/frame/fragment.transitions.android.ts
@@ -86,7 +86,20 @@ export function _setAndroidFragmentTransitions(
         name = navigationTransition.name ? navigationTransition.name.toLowerCase() : "";
     }
 
-    let useLollipopTransition = name && (name.indexOf("slide") === 0 || name === "fade" || name === "explode") && sdkVersion() >= 21;
+    let useLollipopTransition = !!(name && (name.indexOf("slide") === 0 || name === "fade" || name === "explode") && sdkVersion() >= 21);
+    // [nested frames / fragments] force disable lollipop transitions in case nested fragments 
+    // are detected as applying dummy animator to the nested fragment with the same duration as 
+    // the exit animator of the removing parent fragment as a workaround for 
+    // https://code.google.com/p/android/issues/detail?id=55228 works only if custom animations are
+    // used
+    // NOTE: this effectively means you cannot use Explode transition in nested frames scenarios as
+    // we have implementations only for slide, fade, and flip
+    if (currentFragment && 
+        currentFragment.getChildFragmentManager() &&
+        currentFragment.getChildFragmentManager().getFragments().toArray().length > 0) {
+        useLollipopTransition = false;
+    }
+    
     if (!animated) {
         name = "none";
     } else if (transition) {
diff --git a/tns-core-modules/ui/frame/frame-common.ts b/tns-core-modules/ui/frame/frame-common.ts
index 5533f98d1..a92093ee8 100644
--- a/tns-core-modules/ui/frame/frame-common.ts
+++ b/tns-core-modules/ui/frame/frame-common.ts
@@ -457,8 +457,8 @@ export class FrameBase extends CustomLayoutView implements FrameDefinition {
     }
 
     public _onRootViewReset(): void {
-        this._removeFromFrameStack();
         super._onRootViewReset();
+        this._removeFromFrameStack();
     }
 
     get _childrenCount(): number {
diff --git a/tns-core-modules/ui/frame/frame.android.ts b/tns-core-modules/ui/frame/frame.android.ts
index 417d817bb..1f56a8eb2 100644
--- a/tns-core-modules/ui/frame/frame.android.ts
+++ b/tns-core-modules/ui/frame/frame.android.ts
@@ -209,8 +209,12 @@ export class Frame extends FrameBase {
     }
 
     public _onRootViewReset(): void {
-        this.disposeCurrentFragment();
         super._onRootViewReset();
+
+        // call this AFTER the super call to ensure descendants apply their rootview-reset logic first
+        // i.e. in a scenario with nested frames / frame with tabview let the descendandt cleanup the inner
+        // fragments first, and then cleanup the parent fragments
+        this.disposeCurrentFragment();
     }
 
     onUnloaded() {
@@ -223,11 +227,6 @@ export class Frame extends FrameBase {
     }
 
     private disposeCurrentFragment(): void {
-        // when interacting with nested fragments it seems Android is smart enough
-        // to automatically remove child fragments when parent fragment is removed;
-        // however, we must add a fragment.isAdded() guard as our logic will try to 
-        // explicitly remove the already removed child fragment causing an 
-        // IllegalStateException: Fragment has not been attached yet.
         if (!this._currentEntry ||
             !this._currentEntry.fragment ||
             !this._currentEntry.fragment.isAdded()) {
@@ -742,7 +741,13 @@ class FragmentCallbacksImplementation implements AndroidFragmentCallbacks {
     }
 
     @profile
-    public onCreateAnimator(fragment: android.support.v4.app.Fragment, transit: number, enter: boolean, nextAnim: number, superFunc: Function): android.animation.Animator {
+    public onCreateAnimator(fragment: org.nativescript.widgets.FragmentBase, transit: number, enter: boolean, nextAnim: number, superFunc: Function): android.animation.Animator {
+        // HACK: FragmentBase class MUST handle removing nested fragment scenario to workaround
+        // https://code.google.com/p/android/issues/detail?id=55228
+        if (!enter && fragment.getRemovingParentFragment()) {
+            return superFunc.call(fragment, transit, enter, nextAnim);
+        }
+
         let nextAnimString: string;
         switch (nextAnim) {
             case AnimationType.enterFakeResourceId: nextAnimString = "enter"; break;
diff --git a/tns-core-modules/ui/tab-view/tab-view.android.ts b/tns-core-modules/ui/tab-view/tab-view.android.ts
index 8b89422d6..6c2302e63 100644
--- a/tns-core-modules/ui/tab-view/tab-view.android.ts
+++ b/tns-core-modules/ui/tab-view/tab-view.android.ts
@@ -45,7 +45,7 @@ function initializeNativeClasses() {
         return;
     }
 
-    class TabFragmentImplementation extends android.support.v4.app.Fragment {
+    class TabFragmentImplementation extends org.nativescript.widgets.FragmentBase {
         private tab: TabView;
         private index: number;
 
@@ -55,7 +55,6 @@ function initializeNativeClasses() {
         }
 
         static newInstance(tabId: number, index: number): TabFragmentImplementation {
-
             const args = new android.os.Bundle();
             args.putInt(TABID, tabId);
             args.putInt(INDEX, index);
@@ -79,10 +78,6 @@ function initializeNativeClasses() {
 
             return tabItem.view.nativeViewProtected;
         }
-
-        public onDestroyView() {
-            super.onDestroyView();
-        }
     }
 
     const POSITION_UNCHANGED = -1;
@@ -560,8 +555,13 @@ export class TabView extends TabViewBase {
     }
 
     public _onRootViewReset(): void {
-        this.disposeCurrentFragments();
         super._onRootViewReset();
+        
+        // call this AFTER the super call to ensure descendants apply their rootview-reset logic first
+        // i.e. in a scenario with tab frames let the frames cleanup their fragments first, and then
+        // cleanup the tab fragments to avoid
+        // android.content.res.Resources$NotFoundException: Unable to find resource ID #0xfffffff6
+        this.disposeCurrentFragments();
     }
 
     private disposeCurrentFragments(): void {
diff --git a/tns-platform-declarations/android/org.nativescript.widgets.d.ts b/tns-platform-declarations/android/org.nativescript.widgets.d.ts
index d2e446278..ae96b44f3 100644
--- a/tns-platform-declarations/android/org.nativescript.widgets.d.ts
+++ b/tns-platform-declarations/android/org.nativescript.widgets.d.ts
@@ -164,6 +164,12 @@
                 public verticalAlignment: VerticalAlignment;
             }
 
+            export class FragmentBase extends android.support.v4.app.Fragment {
+                constructor();
+
+                public getRemovingParentFragment(): android.support.v4.app.Fragment;
+            }
+
             export enum Stretch {
                 none,
                 aspectFill,
diff --git a/tns-platform-declarations/package.json b/tns-platform-declarations/package.json
index 89d347ebe..b3d093a34 100644
--- a/tns-platform-declarations/package.json
+++ b/tns-platform-declarations/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tns-platform-declarations",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "description": "Platform-specific TypeScript declarations for NativeScript for accessing native objects",
   "main": "",
   "scripts": {