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Are there any restrictions on what is an acceptable String for the name of a file in an Android app's internal storage? I have found that you are not allowed to use the file separator character. Are there any other disallowed characters, or restrictions on the length of the String?

Peter O.
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Paul Boddington
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  • possible duplicate of [What characters allowed in file names on Android?](http://stackoverflow.com/questions/2679699/what-characters-allowed-in-file-names-on-android) – Peter O. Aug 27 '14 at 01:44

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It will generally follow unix style filesystem conventions. Most Android devices are now using ext4 format on flash media for internal storage. Originally yaffs2 was being used or even ubi/ubifs. But most OEMs have shifted to ext4.

Larry Schiefer
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