1.
AssetsLibrary
(iOS5 )
itok@itok_twit
2011.10.22

2.
• , itok, @itok_twit
•
•
• iPhone

3.
Book+

4.
SmartTub

5.
PictShare

6.
iPicture

7.
AssetsLibrary

8.
AssetsLibrary
•iPhone/iPad

9.
ImagePicker
•EXIF
•
•

10.
•

11.
Assets
•
•

12.
ALAssetsLibrary
ALAssetsGroup
ALAsset Asset
ALAssetRepresentat
ion

13.
ALAssetsLibrary ALAssetsGroup
group type
URL enumeration
ALAsset
representation
ALAssetRepresentat
ion

14.
ALAsset
•property
•date
•
•iOS4 : ≠
•iOS5 : EXIF
•location
•thumbnail square: 75px
•iOS5 : aspectRatioThumbnail

15.
ALAssetRepresentation
•metadata
•CGImage
•iOS5 : fullScreenImage
•URL (assets-library://)
•iOS4 :
•iOS5 : GUID
•
• (iOS5)

16.
•
•ALAssetsLibraryChangedNotification

17.
iOS5 1
• API
•
• asset

18.
iOS5 2
• API
•writeModifiedImageDataToSavedPhotosAlbum:
metadata:completionBlock
• asset asset
originalAsset
•EXIF date property
•setImageData:metadata:completionBlock
•writeModified... asset
asset ←editable

19.
iOS5
•ALAssetsLibraryChangedNotification
•writeImageDataToSavedPhotosAlbum:metadata:
completeBlock: API
•Aperture
ALAssetPropertyDate
•
Apple

20.
• iOS4
•iOS5