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Effective UIScrollView

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Jiro Nagashima Jiro Nagashima
March 12, 2015
Technology
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Effective UIScrollView

Avatar for Jiro Nagashima

Jiro Nagashima

March 12, 2015
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Transcript

  1. &GGFDUJWF 6*4DSPMM7JFX !IFEKJSPH

  2. ͳ͕͠·͡Ζ͏ !IFEKJSPH 4BOTBOגࣜձࣾ&JHIU

  3. 5JQT δΣενϟʔΛ਌Ϗϡʔʹৡ౉ͯ͠ 6*4DSPMM7JFXͷഎޙɾલ໘Ͱ΋λοϓՄೳʹʂ

  4. 6*7JFX 6*#VUUPO  6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFX ᵓᴷ6*#VUUPO 6*#VUUPO 6*4DSPMM7JFX

  5. 7JFXߏ଄

  6. 6*7JFX 6*7JFX ᵓᴷ  ᵓᴷ  ᵓᴷ

  7. 6*7JFX 6*#VUUPO 6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ  ᵓᴷ

  8. 6*7JFX 6*#VUUPO 6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFX ᵓᴷ 6*4DSPMM7JFX

  9. 6*7JFX 6*#VUUPO 6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFX ᵓᴷ6*#VUUPO 6*#VUUPO 6*4DSPMM7JFX

  10. ՝୊

  11. 6*7JFX 6*#VUUPO 6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFX ᵓᴷ6*#VUUPO 6*#VUUPO 6*4DSPMM7JFX λοϓͰ͖ͳ͍ʂ

  12. scrollView.userInteractionEnabled = false view.addGestureRecognizer(scrollView.panGestureRecognizer) ରॲ๏

  13. scrollView.userInteractionEnabled = false view.addGestureRecognizer(scrollView.panGestureRecognizer) ରॲ๏ w 6*4DSPMM7JFXͷແޮԽ w QBO(FTUVSF3FDPHOJ[FSΛ 6*7JFXʹ΋௥Ճ

  14. 6*7JFX 6*#VUUPO  6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFXʢແޮԽʣ ᵓᴷ6*#VUUPO 6*#VUUPO 6*4DSPMM7JFXʢແޮԽʣ λοϓՄೳ

  15. ՝୊

  16. 6*7JFX 6*#VUUPO  6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFXʢແޮԽʣ ᵓᴷ6*#VUUPOʢແޮԽʣ 6*#VUUPOʢແޮԽʣ 6*4DSPMM7JFXʢແޮԽʣ λοϓͰ͖ͳ͍ʂ

  17. override func hitTest(point: CGPoint, withEvent event: UIEvent?) -> UIView? {

    let hitView = super.hitTest(point, withEvent: event) if hitView == self { return nil } return self } ରॲ๏

  18. override func hitTest(point: CGPoint, withEvent event: UIEvent?) -> UIView? {

    let hitView = super.hitTest(point, withEvent: event) if hitView == self { return nil } return self } ରॲ๏ w )JU5FTUͰ6*4DSPMM7JFXͷ λοϓ൑ఆΛແࢹͤ͞Δ

  19. scrollView.userInteractionEnabled = false view.addGestureRecognizer(scrollView.panGestureRecognizer) ରॲ๏ w 6*4DSPMM7JFX͸༗ޮԽ

  20. 6*7JFX 6*#VUUPO  6*7JFX ᵓᴷ6*#VUUPO ᵓᴷ6*4DSPMM7JFXʢλοϓ൑ఆແࢹʣ ᵓᴷ6*#VUUPO 6*#VUUPO 6*4DSPMM7JFXʢλοϓ൑ఆແࢹʣ λοϓՄೳ

  21. ·ͱΊ

  22. ·ͱΊ δΣενϟʔΛ਌Ϗϡʔʹৡ౉ͯ͠ 6*4DSPMM7JFXͷഎޙɾલ໘Ͱ΋λοϓՄೳʹʂ w BEE(FTUVSF3FDPHOJ[FSϝιουΛར༻ w )JU5FTUΛௐ੔