Xamarin Certification Xamarin.Forms 5

Question 1

Which Xamarin.Forms mechanism allows you to apply a set of property setters to multiple controls using a single definition?

Accepted Answer

Style

Answer

A Style groups property setters and can be applied to multiple controls of the target type via the Style property or implicit styles.

Question 2

What does the TwoWay binding mode do in Xamarin.Forms?

Accepted Answer

Propagates changes in both directions between source and target

Answer

TwoWay mode synchronizes changes in both directions, so updates to either the source property or the target UI control are reflected in the other.

Question 3

Which Xamarin.Forms view is specifically designed to render HTML content?

Accepted Answer

WebView

Answer

WebView wraps the platform's native browser control and can display HTML strings, local files, or remote URLs.

Question 4

In Xamarin.Forms, what does the FlexLayout's Wrap property control?

Accepted Answer

Whether child views can overflow onto additional lines

Answer

The Wrap property determines whether FlexLayout children continue on the same line or wrap to a new row/column when space runs out.

Question 5

Which Xamarin.Forms class provides a cross-platform abstraction for accessing device sensors like GPS?

Accepted Answer

Xamarin.Essentials

Answer

Xamarin.Essentials is the NuGet library that provides cross-platform APIs for device features including GPS, accelerometer, battery, and more.

Xamarin Certification Practice Test