하나만 선택

• 1보기 1.

  updateConstraints (리프→루트) → layoutSubviews (루트→리프) → draw(_:) → Core Animation 커밋

• 2보기 2.

  layoutSubviews (루트→리프) → updateConstraints (리프→루트) → draw(_:) → Core Animation 커밋

• 3보기 3.

  draw(_:) → updateConstraints → layoutSubviews → Core Animation 커밋

• 4보기 4.

  updateConstraints (루트→리프) → draw(_:) → layoutSubviews (리프→루트) → Core Animation 커밋