diff --git a/apps/tests/http-tests.ts b/apps/tests/http-tests.ts
index 3eece7c05..dfe996d91 100644
--- a/apps/tests/http-tests.ts
+++ b/apps/tests/http-tests.ts
@@ -29,11 +29,11 @@ export var test_getString = function (done: (err: Error, res?: string) => void)
         done(null);
         // </hide>
     }, function (e) {
-            //// Argument (e) is Error!
-            // <hide>
-            done(e);
-            // </hide>
-        });
+        //// Argument (e) is Error!
+        // <hide>
+        done(e);
+        // </hide>
+    });
     // ```
     // </snippet>
 };
@@ -90,12 +90,12 @@ export var test_getJSON = function (done) {
         done(null);
         // </hide>
     }, function (e) {
-            //// Argument (e) is Error!
-            //console.log(e);
-            // <hide>
-            done(e);
-            // </hide>
-        });
+        //// Argument (e) is Error!
+        //console.log(e);
+        // <hide>
+        done(e);
+        // </hide>
+    });
     // ```
     // </snippet>
 };
@@ -144,8 +144,8 @@ export var test_getJSONP = function (done) {
         }
         done(null);
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_getJSON_fail_when_result_is_not_JSONP = function (done) {
@@ -186,11 +186,11 @@ export var test_getImage = function (done) {
         }
         // </hide>
     }, function (e) {
-            //// Argument (e) is Error!
-            // <hide>
-            done(e);
-            // </hide>
-        });
+        //// Argument (e) is Error!
+        // <hide>
+        done(e);
+        // </hide>
+    });
     // ```
     // </snippet>
 };
@@ -278,11 +278,11 @@ export var test_request_responseStatusCodeShouldBeDefined = function (done) {
         }
         // </hide>
     }, function (e) {
-            //// Argument (e) is Error!
-            // <hide>
-            done(e);
-            // </hide>
-        });
+        //// Argument (e) is Error!
+        // <hide>
+        done(e);
+        // </hide>
+    });
     // ```
     // </snippet>
 };
@@ -309,11 +309,11 @@ export var test_request_responseHeadersShouldBeDefined = function (done) {
         }
         // </hide>
     }, function (e) {
-            //// Argument (e) is Error!
-            // <hide>
-            done(e);
-            // </hide>
-        });
+        //// Argument (e) is Error!
+        // <hide>
+        done(e);
+        // </hide>
+    });
     // ```
     // </snippet>
 };
@@ -341,11 +341,11 @@ export var test_request_responseContentShouldBeDefined = function (done) {
         }
         // </hide>
     }, function (e) {
-            //// Argument (e) is Error!
-            // <hide>
-            done(e);
-            // </hide>
-        });
+        //// Argument (e) is Error!
+        // <hide>
+        done(e);
+        // </hide>
+    });
     // ```
     // </snippet>
 };
@@ -363,8 +363,8 @@ export var test_request_responseContentToStringShouldReturnString = function (do
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_responseContentToJSONShouldReturnJSON = function (done) {
@@ -380,8 +380,8 @@ export var test_request_responseContentToJSONShouldReturnJSON = function (done)
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_responseContentToImageShouldReturnCorrectImage = function (done) {
@@ -399,8 +399,8 @@ export var test_request_responseContentToImageShouldReturnCorrectImage = functio
             }
         });
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_headersSentAndReceivedProperly = function (done) {
@@ -420,8 +420,8 @@ export var test_request_headersSentAndReceivedProperly = function (done) {
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_contentSentAndReceivedProperly = function (done) {
@@ -442,8 +442,8 @@ export var test_request_contentSentAndReceivedProperly = function (done) {
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_FormDataContentSentAndReceivedProperly = function (done) {
@@ -468,8 +468,8 @@ export var test_request_FormDataContentSentAndReceivedProperly = function (done)
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_NonStringHeadersSentAndReceivedProperly = function (done) {
@@ -492,8 +492,8 @@ export var test_request_NonStringHeadersSentAndReceivedProperly = function (done
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
 
 export var test_request_jsonAsContentSentAndReceivedProperly = function (done) {
@@ -521,27 +521,29 @@ export var test_request_jsonAsContentSentAndReceivedProperly = function (done) {
         // </hide>
         // console.log(result);
     }, function (e) {
-            // <hide>
-            done(e);
-            // </hide>
-            // console.log("Error occurred " + e);
-        });
+        // <hide>
+        done(e);
+        // </hide>
+        // console.log("Error occurred " + e);
+    });
     // ```
     // </snippet>
 };
 
-export var test_getString_FromVariousUrls_ShouldWorkProperly = function (done) {
-    var urls = [
-        "https://it-ebooks-api.info/v1/book/1615005640",
-        "https://www.telerik.com",
-        "https://spreadsheets.google.com/tq?key=1tJ64Y8hje0ui4ap9U33h3KWwpxT_-JuVMSZzxD2Er8k",
-        "https://chase.arborgoldcloud.net/mobilehandler/mobiledatahandler.ashx?ProcedureName=MEstimGetJobListSpeed&@prmSalesRep=%&@prmStartDate=11/1/2015&@prmEndDate=12/8/2015&@prmStatusFilter=2"
-    ];
+export var test_getString_1 = function (done) {
+    doRequest("https://it-ebooks-api.info/v1/book/1615005640", done);
+};
 
-    var i: number;
-    for (i = 0; i < urls.length; i++) {
-        doRequest(urls[i], done);
-    }
+export var test_getString_2 = function (done) {
+    doRequest("https://www.telerik.com", done);
+};
+
+export var test_getString_3 = function (done) {
+    doRequest("https://spreadsheets.google.com/tq?key=1tJ64Y8hje0ui4ap9U33h3KWwpxT_-JuVMSZzxD2Er8k", done);
+};
+
+export var test_getString_4 = function (done) {
+    doRequest("https://chase.arborgoldcloud.net/mobilehandler/mobiledatahandler.ashx?ProcedureName=MEstimGetJobListSpeed&@prmSalesRep=%&@prmStartDate=11/1/2015&@prmEndDate=12/8/2015&@prmStatusFilter=2", done);
 };
 
 function doRequest(url: string, done: Function) {
@@ -554,6 +556,6 @@ function doRequest(url: string, done: Function) {
             done(err);
         }
     }, function (e) {
-            done(e);
-        });
+        done(e);
+    });
 };
\ No newline at end of file
diff --git a/apps/tests/layouts/absolute-layout-tests.ts b/apps/tests/layouts/absolute-layout-tests.ts
index 8fadba0d0..69d56c70c 100644
--- a/apps/tests/layouts/absolute-layout-tests.ts
+++ b/apps/tests/layouts/absolute-layout-tests.ts
@@ -5,6 +5,7 @@ import labelModule = require("ui/label");
 import helper = require("../ui/helper");
 import colorModule = require("color");
 import layoutHelper = require("./layout-helper");
+import commonTests = require("./common-layout-tests");
 
 // <snippet module="ui/layouts/absolute-layout" title="absolute-layout">
 // # AbsoluteLayout
@@ -120,6 +121,10 @@ export class AbsoluteLayoutTest extends testModule.UITest<absoluteLayoutModule.A
         TKUnit.assertEqual(btn.getMeasuredWidth(), 100, "Button MeasuredWidth incorrect");
         TKUnit.assertEqual(btn.getMeasuredHeight(), 100, "Button MeasuredHeight incorrect");
     }
+
+    public test_percent_support_nativeLayoutParams_are_correct() {
+        commonTests.percent_support_nativeLayoutParams_are_correct(this);
+    }
 }
 
 export function createTestCase(): AbsoluteLayoutTest {
diff --git a/apps/tests/layouts/common-layout-tests.ts b/apps/tests/layouts/common-layout-tests.ts
index c7693eea0..d1c36909c 100644
--- a/apps/tests/layouts/common-layout-tests.ts
+++ b/apps/tests/layouts/common-layout-tests.ts
@@ -4,6 +4,75 @@ import enums = require("ui/enums");
 import testModule = require("../ui-test");
 import {LayoutBase} from "ui/layouts/layout-base";
 import {widthProperty} from "ui/styling/style"
+import platform = require("platform");
+
+function getNativeLayoutParams(nativeView: android.view.View): org.nativescript.widgets.CommonLayoutParams {
+    var lp = <org.nativescript.widgets.CommonLayoutParams>nativeView.getLayoutParams();
+    if (!(lp instanceof org.nativescript.widgets.CommonLayoutParams)) {
+        lp = new org.nativescript.widgets.CommonLayoutParams();
+    }
+
+    return lp;
+}
+
+export function percent_support_nativeLayoutParams_are_correct(test: testModule.UITest<LayoutBase>) {
+    if (platform.device.os !== platform.platformNames.android) {
+        return;
+    }
+
+    let layout = test.testView;
+    layout.width = layoutHelper.dp(200);
+    layout.height = layoutHelper.dp(200);
+
+    let btn = new layoutHelper.MyButton();
+    btn.width = layoutHelper.dp(100);
+    btn.height = layoutHelper.dp(100);
+    btn.margin = "10%";
+    layout.addChild(btn);
+
+    test.waitUntilTestElementLayoutIsValid();
+
+    let lp = getNativeLayoutParams(btn._nativeView);
+    TKUnit.assertEqual(lp.width, 100, "width");
+    TKUnit.assertEqual(lp.widthPercent, -1, "widthPercent");
+    TKUnit.assertEqual(lp.height, 100, "height");
+    TKUnit.assertEqual(lp.heightPercent, -1, "heightPercent");
+    TKUnit.assertEqual(lp.topMargin, 0, "topMargin");
+    TKUnit.assertTrue(lp.topMarginPercent > 0, "topMarginPercent");
+    TKUnit.assertEqual(lp.leftMargin, 0, "leftMargin");
+    TKUnit.assertTrue(lp.leftMarginPercent > 0, "leftMarginPercent");
+    TKUnit.assertEqual(lp.rightMargin, 0, "rightMargin");
+    TKUnit.assertTrue(lp.rightMarginPercent > 0, "rightMarginPercent");
+    TKUnit.assertEqual(lp.bottomMargin, 0, "bottomMargin");
+    TKUnit.assertTrue(lp.bottomMarginPercent > 0, "bottomMarginPercent");
+
+    (<any>btn).width = "50%";
+    (<any>btn).height = "50%";
+    test.waitUntilTestElementLayoutIsValid();
+
+    TKUnit.assertEqual(lp.width, -1, "width");
+    TKUnit.assertEqual(lp.widthPercent, 0.5, "widthPercent");
+    TKUnit.assertEqual(lp.height, -1, "height");
+    TKUnit.assertEqual(lp.heightPercent, 0.5, "heightPercent");
+
+    btn.margin = "0";
+    btn.height = Number.NaN;
+    (<any>btn.style)._resetValue(widthProperty);
+    test.waitUntilTestElementLayoutIsValid();
+
+    TKUnit.assertEqual(lp.width, -1, "width");
+    TKUnit.assertEqual(lp.widthPercent, -1, "widthPercent");
+    TKUnit.assertEqual(lp.height, -1, "height");
+    TKUnit.assertEqual(lp.heightPercent, -1, "heightPercent");
+    TKUnit.assertEqual(lp.topMargin, 0, "topMargin");
+    TKUnit.assertEqual(lp.topMarginPercent, -1, "topMarginPercent");
+    TKUnit.assertEqual(lp.leftMargin, 0, "leftMargin");
+    TKUnit.assertEqual(lp.leftMarginPercent, -1, "leftMarginPercent");
+    TKUnit.assertEqual(lp.rightMargin, 0, "rightMargin");
+    TKUnit.assertEqual(lp.rightMarginPercent, -1, "rightMarginPercent");
+    TKUnit.assertEqual(lp.bottomMargin, 0, "bottomMargin");
+    TKUnit.assertEqual(lp.bottomMarginPercent, -1, "bottomMarginPercent");
+}
 
 export function percent_support_test(test: testModule.UITest<LayoutBase>) {
     let layout: LayoutBase = test.testView;
diff --git a/apps/tests/layouts/dock-layout-tests.ts b/apps/tests/layouts/dock-layout-tests.ts
index 141a7bade..df54a74d0 100644
--- a/apps/tests/layouts/dock-layout-tests.ts
+++ b/apps/tests/layouts/dock-layout-tests.ts
@@ -195,6 +195,10 @@ export class DockLayoutTest extends testModule.UITest<DockLayout> {
     public test_percent_support() {
         commonTests.percent_support_test(this);
     }
+
+    public test_percent_support_nativeLayoutParams_are_correct() {
+        commonTests.percent_support_nativeLayoutParams_are_correct(this);
+    }
 }
 
 export function createTestCase(): DockLayoutTest {
diff --git a/apps/tests/layouts/grid-layout-tests.ts b/apps/tests/layouts/grid-layout-tests.ts
index e4fd393c4..be40b2649 100644
--- a/apps/tests/layouts/grid-layout-tests.ts
+++ b/apps/tests/layouts/grid-layout-tests.ts
@@ -646,6 +646,10 @@ export class GridLayoutTest extends testModule.UITest<layout.GridLayout> {
     public test_percent_support() {
         commonTests.percent_support_test(this);
     }
+
+    public test_percent_support_nativeLayoutParams_are_correct() {
+        commonTests.percent_support_nativeLayoutParams_are_correct(this);
+    }
 }
 
 export function createTestCase(): GridLayoutTest {
diff --git a/apps/tests/layouts/stack-layout-tests.ts b/apps/tests/layouts/stack-layout-tests.ts
index 279fbd94c..2cfc12eed 100644
--- a/apps/tests/layouts/stack-layout-tests.ts
+++ b/apps/tests/layouts/stack-layout-tests.ts
@@ -312,6 +312,10 @@ export class StackLayoutTest extends testModule.UITest<StackLayout> {
         TKUnit.assertEqual(bounds.right, 120, "BottomRight layout RIGHT incorrect");
         TKUnit.assertEqual(bounds.bottom, 180, "BottomRight layout BOTTOM incorrect");
     }
+
+    public test_percent_support_nativeLayoutParams_are_correct() {
+        commonTests.percent_support_nativeLayoutParams_are_correct(this);
+    }
 }
 
 export function createTestCase(): StackLayoutTest {
diff --git a/apps/tests/layouts/wrap-layout-tests.ts b/apps/tests/layouts/wrap-layout-tests.ts
index 7d0c9868d..f533cbff3 100644
--- a/apps/tests/layouts/wrap-layout-tests.ts
+++ b/apps/tests/layouts/wrap-layout-tests.ts
@@ -279,6 +279,10 @@ export class WrapLayoutTest extends testModule.UITest<wrapLayoutModule.WrapLayou
         TKUnit.assertEqual(bounds.right, 120, "BottomRight layout RIGHT incorrect");
         TKUnit.assertEqual(bounds.bottom, 120, "BottomRight layout BOTTOM incorrect");
     }
+
+    public test_percent_support_nativeLayoutParams_are_correct() {
+        commonTests.percent_support_nativeLayoutParams_are_correct(this);
+    }
 }
 
 export function createTestCase(): WrapLayoutTest {
diff --git a/org.nativescript.widgets.d.ts b/org.nativescript.widgets.d.ts
index 6dfbc4998..8075b3290 100644
--- a/org.nativescript.widgets.d.ts
+++ b/org.nativescript.widgets.d.ts
@@ -62,7 +62,7 @@
             }
 
             export enum Orientation {
-                horzontal,
+                horizontal,
                 vertical
             }
 
diff --git a/ui/core/view.android.ts b/ui/core/view.android.ts
index 8fa62c79f..c39fbd1ba 100644
--- a/ui/core/view.android.ts
+++ b/ui/core/view.android.ts
@@ -570,17 +570,7 @@ export class ViewStyler implements style.Styler {
     }
 
     private static resetNativeLayoutParamsProperty(view: View, nativeValue: any): void {
-        var nativeView: android.view.View = view._nativeView;
-        var lp = ViewStyler.getNativeLayoutParams(nativeView);
-
-        lp.width = -1;
-        lp.height = -1;
-        lp.leftMargin = 0;
-        lp.topMargin = 0;
-        lp.rightMargin = 0;
-        lp.bottomMargin = 0;
-        lp.gravity = android.view.Gravity.FILL_HORIZONTAL | android.view.Gravity.FILL_VERTICAL;
-        nativeView.setLayoutParams(lp);
+        ViewStyler.setNativeLayoutParamsProperty(view, style.nativeLayoutParamsProperty.metadata.defaultValue)
     }
 
     private static setPaddingProperty(view: View, newValue: Thickness) {
diff --git a/ui/layouts/stack-layout/stack-layout.android.ts b/ui/layouts/stack-layout/stack-layout.android.ts
index b3f9bed5e..89aca2184 100644
--- a/ui/layouts/stack-layout/stack-layout.android.ts
+++ b/ui/layouts/stack-layout/stack-layout.android.ts
@@ -10,7 +10,7 @@ export class StackLayout extends common.StackLayout {
     static setNativeOrientationProperty(data: dependencyObservable.PropertyChangeData): void {
         var stackLayout = <StackLayout>data.object;
         var nativeView = stackLayout._nativeView;
-        nativeView.setOrientation(data.newValue === enums.Orientation.vertical ? org.nativescript.widgets.Orientation.vertical : org.nativescript.widgets.Orientation.horzontal);
+        nativeView.setOrientation(data.newValue === enums.Orientation.vertical ? org.nativescript.widgets.Orientation.vertical : org.nativescript.widgets.Orientation.horizontal);
     }
 
     private _layout: org.nativescript.widgets.StackLayout;
diff --git a/ui/layouts/wrap-layout/wrap-layout.android.ts b/ui/layouts/wrap-layout/wrap-layout.android.ts
index 4f3ebab05..f2ab51b67 100644
--- a/ui/layouts/wrap-layout/wrap-layout.android.ts
+++ b/ui/layouts/wrap-layout/wrap-layout.android.ts
@@ -11,7 +11,7 @@ export class WrapLayout extends common.WrapLayout {
     static setNativeOrientationProperty(data: dependencyObservable.PropertyChangeData): void {
         var wrapLayout = <WrapLayout>data.object;
         var nativeView = wrapLayout._nativeView;
-        nativeView.setOrientation(data.newValue === enums.Orientation.vertical ? org.nativescript.widgets.Orientation.vertical : org.nativescript.widgets.Orientation.horzontal);
+        nativeView.setOrientation(data.newValue === enums.Orientation.vertical ? org.nativescript.widgets.Orientation.vertical : org.nativescript.widgets.Orientation.horizontal);
     }
 
     static setNativeItemWidthProperty(data: dependencyObservable.PropertyChangeData): void {