How do I determine whether a path is a local file or not

uri format is

<protocol>://<server:port>/<path>

local files have:

file:///mnt/...

or just

 /mnt

so if string starts with

\w+?://

and this is not file:// then this is url

You can also check with the android.webkit.URLUtil class

URLUtil.isFileUrl(file) || URLUtil.isContentUrl(file)

or any other member function of the aforementioned class. Preceding it with validation is advised:

URLUtil.isValidUrl(file)

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