• 10 hours
  • Medium

Free online content available in this course.



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Last updated on 3/6/20

Discover UI components

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Evaluated skills

  • Identify essential iOS UI components
  • Question 1

    Select the true statements regarding the view

    Careful, there are several correct answers.
    • View is a foundation of all UI elements and is represented by UIView class

    • View is represented by a rectangular area on a screen and can nest other views within itself

    • A view can have multiple subviews

    • A view can have multiple superviews

  • Question 2

    Select the correct view functions that permit working with view hierarchy

    Careful, there are several correct answers.
    • addSubview

    • addToSuperview

    • removeFromSuperview

    • removeAllNestedViews

  • Question 3

    Select data structures that describe view layout 

    Careful, there are several correct answers.
    • CGPosition

    • CGDimensions

    • CGRect

    • CGSize