cannot contain more than one . Personally I don't use this method, and I run it directly on an emulator or physical device using LiveSync, covered later. It will generate a QR code that you can scan with the NativeScript Playground app available in the Google Play store. Use the component to create a two-tab app. Set the width of the grid to 100% so that it takes the entire width of the screen. With the Playground application on your device, you scan a QR code that is generated by the web application. HelloWorld.vue begins with a simple