What is the real difference between ACTION | 合法醫療器材資訊網
2016年3月23日—Fromyourstandpointasaconsumerofthiscontent,ACTION_GET_CONTENTisifyouwanttousethecontentnow; ...
Doesnt ACTION_GET_CONTENT also use document providers in KitKat?
Not necessarily. That depends on the implementation of the app that is publishing the content. Also note that DocumentProvider is a specific type of ContentProvider.
What would prevent me from having "long term, persistent access"
The Uri that you get back from ACTION_GET_CONTENT may have a temporary permission grant with it for your app, to be able to read and/or write the content. That grant will eventually lapse (e.g., when your process terminates). So, for example, saving the Uri as a string in a database may be pointless.
Part of the Storage Access Framework includes the concept that a provider of content can offer permission grants that can last for an extended period ("long-term, persistent"). While theres nothing stopping an app from offering such persistent...
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【放射性同位素診斷設備】許可證字號:衛署醫器輸字第000236號
器材品名:放射性同位素診斷設備許可證字號:衛署醫器輸字第000236號註銷狀態:已註銷註銷日期:1985/09/26註銷理由:未展延而逾...