我的应用程序存储从Internet下载的资源文件有什么指导吗?
Here is an advice gleaned from the android developers forum:
There are two fairly common and well defined situations:
Situation: You need a temp file to do some processing that won't necessarily fit into memory.
Solution: Create the file, use it, delete it when you're done* Caveat: The file may be exceptionally large: demand an SDCard. The file contains sensitive information: use app storage.
Situation: You are operating a cache.
Solution: maintain the files in the supplied cache directory (Context.getCacheDir()), the system knows these can be deleted** Caveat: Big ticket items (like songs and videos) go to the sdcard (the user can treat these types as useful files anyway)
为了将来参考,现在已发布指南: http : //developer.android.com/guide/topics/data/data-storage.html
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