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Animations with Auto Layout

Marin Todorov
March 06, 2015
Technology
1
160

Animations with Auto Layout

My presentation on mdevcon 2015 :)

Marin Todorov

March 06, 2015
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Transcript

  1. iOS Animations with Auto Layout

  2. Marin Todorov Underplot Apps www.raywenderlich.com

  3. Books

  4. Today’s Loot

  5. Animation in UIKit Animating UIViews Property animations Easy, one-liners Built-in

    & free! alpha = 1.0 alpha = 0.0 2 seconds duration

  6. Animations in Auto Layout 100pt 10pt 160pt 90pt (10.0, 100.0)

    -> (90.0, 160.0)

  7. NSLayoutConstraint bottom = parent.centerY * 1/4 + 50 firstItem firstAttribute

    secondItem secondAttribute multiplier constant

  8. Animations Auto Layout

  9. 1. Find & Replace constraints

  10. Constraints .Top .Bottom .Trailing .Leading .Height .Width

  11. = superview.height * 0.34 + 0.0 mutable read only

  12. 0.34 0.34 0.34 0.55 0.23 0.23 Auto Layout

  13. 2.Modify existing constraint

  14. Details Text Details Text 0.0 Details Text Details Text -160

    Auto Layout

  15. label.Leading = superview.Leading * 0.1 + 0.0 label.Leading = superview.Leading

    * 0.1 + 0.0 label.Leading = superview.Leading * 0.1 - 160.0
  16. None

  17. 3. IB Outlets

  18. Interface Builder

  19. Giveaway rules #mdevcon

  20. 1. find & replace 2. modify existing 3. contstraint outlets

    #mdevcon

  21. [Homework]. Create new constraints #mdevcon

  22. Giveaway #mdevcon

  23. Thank you! : @icanzilb : icanzilb www.ios-animations-by-tutorials.com www.ios-animations-by-emails.com