import app = require("application"); import {Frame} from "ui/frame"; import {TabView} from "ui/tab-view"; import * as builder from "ui/builder"; app.on("launch", function (args) { var tabView = builder.load((__dirname + "/main-page.xml")); args.root = tabView; var frame = tabView.items[0].view; var basePath = "list-view"; frame.navigate(basePath); }); app.start();