import definition = require("ui/layouts/layout"); import layoutBase = require("ui/layouts/layout-base"); export class Layout extends layoutBase.LayoutBase implements definition.Layout { private _view: UIView; constructor() { super(); this._view = new UIView(); } get ios(): UIView { return this._view; } get _nativeView(): UIView { return this._view; } public onMeasure(widthMeasureSpec: number, heightMeasureSpec: number): void { // Don't call super because it will measure the native element. } }