Briefing Android Knowledge

Which of these is the incorrect explanation of the Android SDK’s Hierarchy Viewer?

Which of these is the incorrect explanation of the Android SDK’s Hierarchy Viewer?

A.
It presents two windows, Layout View and Pixel Perfect View.

B.
Layout View is composed of 3 views, tree view, property view, and wireframe view.

C.
It can detect performance problems of layout files.

D.
It can call the invalidate() method of Android views.

Explanation: