While a thread is running, either uploading or downloading, you can query it to check on its status to provide the user with feedback (e.g. a progress bar).

当一个线程在运行的时候，不管是上传还是下载，你可以查询进程状态并且给用户一个反馈（例如一个进度条）。

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If you then choose only the user option, you see a thumbnail window on user status appears.

如果您只选择用户选项，那么您会看到一个显示用户状态的缩略窗口。

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A user is considered online when the user status document is modified no later than two minutes previously.

如果对用户状态文档的修改未超过两分钟，则认为该用户处于在线状态。

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Authorization Status Denied-The user explicitly denied access to the data class for this app.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

Authorization Status Not Determined-The user has not yet made a choice regarding whether this app can access the data class.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

The screen that users will be drawn to most frequently -- the home screen, if you will -- is The Loop, a near-real-time aggregation of social network status updates, images, and RSS feed items culled from the user's contacts, media, and settings.

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