TypeScript: Modern JavaScript Development

Creating a Hello World page

To get started with NativeScript, we will first write a simple app. In src/app.ts, we must register mainEntry that will create the view of the app. The entry should be a function that returns a Page. A Page attribute is one of the classes that NativeScript uses for the user interface. We can create a basic page as follows:

import * as application from "application"; 
import { Page } from "ui/page"; 
import { Label } from "ui/label"; 
 
application.mainEntry = () => { 
  const page = new Page(); 
  const label = new Label(); 
  label.text = "Hello, World"; 
  page.content = label; 
  return page; 
}; 
application.start(); 

This will create a single label and add it to the page. The content of the page should be a View class, which is the base ...