NativeScript/tns-core-modules/ui/layouts/layout.ios.ts

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.
    }
}