NativeScript for Mobile App Development UI Components and Layouts 3

Question 1

Which component allows the user to pick a value from a dropdown list in NativeScript?

Accepted Answer

ListPicker

Answer

DropDown

Answer

Select

Answer

Picker

Question 2

What does `col` and `row` attribute do in a GridLayout child element?

Accepted Answer

Position the child in a specific column and row of the grid

Answer

Define the column and row span only

Answer

Set the child's column and row sizes

Answer

Apply CSS grid-area naming

Question 3

Which NativeScript component wraps content to enable vertical or horizontal scrolling?

Accepted Answer

ScrollView

Answer

Frame

Answer

ScrollContainer

Answer

PanGestureView

Question 4

What is the purpose of the `visibility` property on a NativeScript view?

Accepted Answer

Controls whether the view is visible, hidden, or collapsed

Answer

Sets the view's opacity from 0 to 1

Answer

Defines CSS display mode

Answer

Toggles the view's enabled state

Question 5

Which gesture recognizer detects a long press in NativeScript?

Accepted Answer

longPress

Answer

hold

Answer

pressAndHold

Answer

doubleTap

Question 6

What does the `colSpan` attribute do in a NativeScript GridLayout child?

Accepted Answer

Makes the child span across multiple columns

Answer

Defines the column width

Answer

Sets column alignment

Answer

Merges column definitions