NativeScript for Mobile App Development UI Components and Layouts 2

Question 1

What property controls the orientation of a StackLayout?

Accepted Answer

orientation

Answer

The `orientation` property accepts 'vertical' (default) or 'horizontal' to control how children are stacked.

Question 2

In GridLayout, how do you define three equal columns?

Accepted Answer

columns='*, *, *'

Answer

Using star (*) values in the columns property divides available space equally among columns.

Question 3

Which component displays an image from a URL in NativeScript?

Accepted Answer

Image

Answer

The Image component renders images from local resources or remote URLs on both platforms.

Question 4

What does the `tap` event correspond to in NativeScript?

Accepted Answer

A user touch/click on a UI element

Answer

The `tap` event fires when a user taps (clicks) a NativeScript UI element, equivalent to a click event on the web.

Question 5

Which NativeScript component shows indeterminate loading progress?

Accepted Answer

ActivityIndicator

Answer

ActivityIndicator displays a spinning native loading indicator (indeterminate progress) on iOS and Android.

NativeScript for Mobile App Development Practice Test