When this is especially useful?

The Layout Inspector in Android Studio allows you to compare your app layout with design mockups, display a magnified or 3D view of your app, and examine details of its layout at runtime.

When this is especially useful?
A . when your layout is built entirely in XML rather than runtime and the layout is behaving expectedly.
B . when your layout is built at runtime rather than entirely in XML and the layout is behaving unexpectedly.

Answer: B