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AssetsLibrary                 (iOS5   )itok@itok_twit2011.10.22
•            , itok, @itok_twit•••   iPhone
Book+
SmartTub
PictShare
iPicture
AssetsLibrary
AssetsLibrary•iPhone/iPad
ImagePicker•EXIF ••
•
Assets••
ALAssetsLibraryALAssetsGroup    ALAsset          AssetALAssetRepresentat       ion
ALAssetsLibrary                ALAssetsGroup                  group type     URL                           enumeration    ...
ALAsset•property •date  •   •iOS4 :     ≠   •iOS5 :     EXIF •location•thumbnail    square: 75px •iOS5 : aspectRatioThumbn...
ALAssetRepresentation•metadata•CGImage •iOS5 : fullScreenImage•URL (assets-library://) •iOS4 : •iOS5 : GUID••            (...
••ALAssetsLibraryChangedNotification
iOS5         1•      API • •               asset
iOS5                                      2•           API •writeModifiedImageDataToSavedPhotosAlbum:    metadata:completio...
iOS5•ALAssetsLibraryChangedNotification •writeImageDataToSavedPhotosAlbum:metadata:  completeBlock:                   API•A...
•       iOS4•iOS5
AssetsLibraryについて (iOS5対応版)
AssetsLibraryについて (iOS5対応版)
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AssetsLibraryについて (iOS5対応版)

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名古屋iPhone勉強会 #2 での発表内容です

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AssetsLibraryについて (iOS5対応版)

  1. 1. AssetsLibrary (iOS5 )itok@itok_twit2011.10.22
  2. 2. • , itok, @itok_twit••• iPhone
  3. 3. Book+
  4. 4. SmartTub
  5. 5. PictShare
  6. 6. iPicture
  7. 7. AssetsLibrary
  8. 8. AssetsLibrary•iPhone/iPad
  9. 9. ImagePicker•EXIF ••
  10. 10.
  11. 11. Assets••
  12. 12. ALAssetsLibraryALAssetsGroup ALAsset AssetALAssetRepresentat ion
  13. 13. ALAssetsLibrary ALAssetsGroup group type URL enumeration ALAsset representation ALAssetRepresentat ion
  14. 14. ALAsset•property •date • •iOS4 : ≠ •iOS5 : EXIF •location•thumbnail square: 75px •iOS5 : aspectRatioThumbnail
  15. 15. ALAssetRepresentation•metadata•CGImage •iOS5 : fullScreenImage•URL (assets-library://) •iOS4 : •iOS5 : GUID•• (iOS5)
  16. 16. ••ALAssetsLibraryChangedNotification
  17. 17. iOS5 1• API • • asset
  18. 18. iOS5 2• API •writeModifiedImageDataToSavedPhotosAlbum: metadata:completionBlock • asset asset originalAsset •EXIF date property •setImageData:metadata:completionBlock •writeModified... asset asset ←editable
  19. 19. iOS5•ALAssetsLibraryChangedNotification •writeImageDataToSavedPhotosAlbum:metadata: completeBlock: API•Aperture ALAssetPropertyDate • Apple
  20. 20. • iOS4•iOS5

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