Mobile App Development 2021W Lecture 4

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Video

Video from the lecture given on January 20, 2021 is now available.

Notes

Lecture 4
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* nested views
* UIkit
* Apple-centered history of GUIs
  - mother of all demos (Englebart, 1968)
  - Xerox Alto
  - Lisa
  - Macintosh
  - NeXT
  - MacOS X
  - iPhone


Why not just use HTML/CSS everywhere, instead of SwiftUI?
 - because then you need an entire web renderer to create the interface!
 - web rendering engines are BEASTS
   - only 3 left
      Webkit (Apple)
      Blink (Google, fork of Webkit)
      Gecko (Mozilla)

Microsoft had Trident, but they gave up and adopted Blink for Edge

UIkit is for iOS, AppKit is for MacOS
 - storyboard is the way you make these interfaces

SwiftUI is for both MacOS and iOS


SwiftUI is really a domain-specific language for building interfaces,
built using Swift
 - some rules of regular swift apply, but many don't
 - really need to switch modes when doing SwiftUI
 - only use SwiftUI components in Views, not elsewhere
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