diff --git a/org.nativescript.widgets.d.ts b/org.nativescript.widgets.d.ts
new file mode 100644
index 000000000..9a4e16637
--- /dev/null
+++ b/org.nativescript.widgets.d.ts
@@ -0,0 +1,142 @@
+declare module org {
+    module nativescript {
+        module widgets {
+            export class CommonLayoutParams extends android.widget.FrameLayout.LayoutParams {
+                constructor();
+
+                public left: number;
+                public top: number;
+
+                public dock: Dock;
+
+                public row: number;
+                public column: number;
+                
+                public rowSpan: number;
+                public columnSpan: number;
+
+                public horizontalAlignment: HorizontalAlignment;
+                public verticalAlignment: VerticalAlignment;
+            }
+
+            export enum Stretch {
+                none,
+                aspectFill,
+                aspectFit,
+                fill
+            }
+
+            export enum HorizontalAlignment {
+                left,
+                center,
+                right,
+                stretch
+            }
+
+            export enum VerticalAlignment {
+                top,
+                center,
+                bottom,
+                stretch
+            }
+
+            export enum Dock {
+                left,
+                top,
+                right,
+                bottom
+            }
+
+            export enum GridUnitType {
+                auto,
+                pixel,
+                star
+            }
+
+            export enum Orientation {
+                horzontal,
+                vertical
+            }
+
+            export class LayoutBase extends android.view.ViewGroup {
+                constructor(context: android.content.Context);
+            }
+
+            export class AbsoluteLayout extends LayoutBase {
+                constructor(context: android.content.Context);
+            }
+
+            export class DockLayout extends LayoutBase {
+                constructor(context: android.content.Context);
+
+                public getStretchLastChild(): boolean;
+                public setStretchLastChild(value: boolean): void;
+            }
+
+            export class StackLayout extends LayoutBase {
+                constructor(context: android.content.Context);
+
+                public getOrientation(): Orientation;
+                public setOrientation(value: Orientation): void;
+            }
+
+            export class WrapLayout extends LayoutBase {
+                constructor(context: android.content.Context);
+
+                public getOrientation(): Orientation;
+                public setOrientation(value: Orientation): void;
+
+                public getItemWidth(): number;
+                public setItemWidth(value: number): void;
+
+                public getItemHeight(): number;
+                public setItemHeight(value: number): void;
+            }
+
+            export class ItemSpec {
+                constructor();
+                constructor(value: number, unitType: GridUnitType);
+                public getGridUnitType(): GridUnitType;
+                public getIsAbsolute(): boolean;
+                public getIsAuto(): boolean;
+                public getIsStar(): boolean;
+                public getValue(): number;
+                public getActualLength(): number;
+            }
+
+            export class GridLayout extends LayoutBase {
+                constructor(context: android.content.Context);
+
+                public addRow(itemSpec: ItemSpec): void;
+                public addColumn(itemSpec: ItemSpec): void;
+
+                public removeRow(itemSpec: ItemSpec): void;
+                public removeColumn(itemSpec: ItemSpec): void;
+
+                public removeRowAt(index: number): void;
+                public removeColumnAt(index: number): void;
+
+                public getColumns(): Array<ItemSpec>;
+                public getRows(): Array<ItemSpec>;
+            }
+
+            export class ContentLayout extends LayoutBase {
+                constructor(context: android.content.Context);
+            }
+
+            export class VerticalScrollView extends android.widget.ScrollView {
+                constructor(context: android.content.Context);
+                public getScrollableLength(): number;
+            }
+
+            export class HorizontalScrollView extends android.widget.HorizontalScrollView {
+                constructor(context: android.content.Context);
+                public getScrollableLength(): number;
+            }
+
+            export class ImageView extends android.widget.ImageView {
+                constructor(context: android.content.Context);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/ui/styling/style.ts b/ui/styling/style.ts
index baf5cd679..1ce99fa20 100644
--- a/ui/styling/style.ts
+++ b/ui/styling/style.ts
@@ -147,40 +147,6 @@ function isMinWidthHeightValid(value: number): boolean {
     return !isNaN(value) && value >= 0.0 && isFinite(value);
 }
 
-function onBackgroundImagePropertyChanged(data: observable.PropertyChangeData) {
-    var view: view.View = (<any>data.object)._view;
-    var style = <Style>data.object;
-    var url: string = data.newValue;
-
-    style._setValue(backgroundImageSourceProperty, undefined, observable.ValueSource.Local);
-
-    if (types.isString(data.newValue)) {
-        var pattern: RegExp = /url\(('|")(.*?)\1\)/;
-        var match = url.match(pattern);
-        if (match && match[2]) {
-            url = match[2];
-        }
-
-        if (utils.isDataURI(url)) {
-            var base64Data = url.split(",")[1];
-            if (types.isDefined(base64Data)) {
-                style._setValue(backgroundImageSourceProperty, imageSource.fromBase64(base64Data), observable.ValueSource.Local);
-            }
-        } else if (utils.isFileOrResourcePath(url)) {
-            style._setValue(backgroundImageSourceProperty, imageSource.fromFileOrResource(url), observable.ValueSource.Local);
-        } else if (url.indexOf("http") !== -1) {
-            if (view) {
-                view["_url"] = url;
-            }
-            imageSource.fromUrl(url).then(r=> {
-                if (view && view["_url"] === url) {
-                    style._setValue(backgroundImageSourceProperty, r, observable.ValueSource.Local);
-                }
-            });
-        }
-    }
-}
-
 function getHandlerInternal(propertyId: number, classInfo: types.ClassInfo): styling.stylers.StylePropertyChangedHandler {
     var className = classInfo ? classInfo.name : "default";
     var handlerKey = className + propertyId;