End of Lecture 5.md

In this lecture

• UITextView

  • NSMutableAttributesdString outline, unoutline, textSzie with NSTextStoge and NSRange

• View Controller LIfecycle

  • ViwewdidLoad is called once, has nothings to do with geometry
  • View appears/disappreas is called when view appears and disappears
  • viewWillLayoutsubview, viewWillLayoutsubview has to do with geometry

• NSNotification

  • test UIContentSizeCategoryDidChangeNotification