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nickcheng
V2EX  ›  iDev

各位开发者怎么应对iOS5中新的Data Storage Guideline?

  •  
  •   nickcheng ·
    nickcheng · Oct 29, 2011 · 5871 views
    This topic created in 5445 days ago, the information mentioned may be changed or developed.
    新的 Guideline 中不允许应用中下载的内容(杂志,离线地图,等)存放到NSDocuments目录, 只能放到<<App>>/Library/Cache中. 但是iOS5在设备存储容量不够的时候, 又会自动清理Cache和tmp目录. 这样就有了潜在的隐患.

    Instapaper的Marco详细描述了情况:
    http://www.marco.org/2011/10/13/ios5-caches-cleaning

    还有其他人的抱怨:
    http://developmentseed.org/blog/2011/10/17/offline-maps-ios5-cache-cleaning/

    苹果的Guideline:
    https://developer.apple.com/icloud/documentation/data-storage/
    2 replies  •  1970-01-01 08:00:00 +08:00
    keywind
        1
    keywind  
       Oct 29, 2011
    估计是只能放云上了,iOS5有不少另开发者头疼的问题,比如ARC,很多库都还不支持
    nickcheng
        2
    nickcheng  
    OP
       Nov 15, 2011
    终于, iOS 5.0.1 对这方面有了改进
    https://developer.apple.com/library/ios/#qa/qa1719/_index.html

    开发者可以把一些目录和文件标记上 "do not backup" 的属性来避免文件同步到 iCloud, 也能避免在清理磁盘空间的时候被清理.

    Goodreader 的新版本已经做了相应的修改.
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