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A lightning talk about UICollectionView

Steven Shen
December 13, 2012
Programming
1
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A lightning talk about UICollectionView

Steven Shen

December 13, 2012
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Transcript

  1. Friday, December 14, 12

  2. Auto-Layout Friday, December 14, 12

  3. Auto-Layout UILabel Attributed String Friday, December 14, 12

  4. Auto-Layout UILabel Attributed String UICollectionView Friday, December 14, 12

  5. Friday, December 14, 12

  6. Friday, December 14, 12

  7. Cell Friday, December 14, 12

  8. Cell Layout Friday, December 14, 12

  9. Cell Header Layout Friday, December 14, 12

  10. Cell Header Decoration Layout Friday, December 14, 12

  11. UICollectionView UICollectionViewLayout UICollectionViewCell Friday, December 14, 12

  12. Friday, December 14, 12

  13. • registerClass:forCellWithReuseIdentifier: • registerNib:forCellWithReuseIdentifier: • registerClass:forSupplementaryViewOfKind:withR euseIdentifier: • registerNib:forSupplementaryViewOfKind:withRe useIdentifier:

    Friday, December 14, 12

  14. UICollectionViewCell *cell = [collectionView dequeueReusableCellWithIdentifier:identifier]; if (!cell) { cell =

    [[UICollectionViewCell alloc] init]; } Friday, December 14, 12

  15. UICollectionViewCell *cell = [collectionView dequeueReusableCellWithIdentifier:identifier]; if (!cell) { cell =

    [[UICollectionViewCell alloc] init]; } UICollectionViewCell *cell = [collectionView dequeueReusableCellWithIdentifier:identifier forIndexPath:indexPath]; Friday, December 14, 12

  16. Friday, December 14, 12

  17. Friday, December 14, 12

  18. • UICollectionViewFlowLayout is powerful but limited • Fixed direction: horizontal

    or vertical Friday, December 14, 12

  19. Create New Layout Friday, December 14, 12

  20. Order of Operations - prepareLayout - collectionViewContentSize - layoutAttributesForElementsInRect Friday,

    December 14, 12

  21. Friday, December 14, 12

  22. Friday, December 14, 12

  23. Friday, December 14, 12

  24. Friday, December 14, 12

  25. Friday, December 14, 12

  26. Friday, December 14, 12

  27. Friday, December 14, 12

  28. Friday, December 14, 12

  29. • https://github.com/syshen/YACV • WWDC 2012 UICollectionView related sessions • https://github.com/mpospese/

    IntroducingCollectionViews Friday, December 14, 12

  30. Friday, December 14, 12