Android Question DBUtils.CopyDBFromAssets function

Bucky108 · Dec 14, 2016

I have added a SQLite database to the files folder of a project and when the DBUtils.CopyDBFromAssets function is called
(on the line File.Copy(File.DirAssets, FileName, TargetDir, FileName)
it errors out with the message:

java.io.FileNotFoundException: /data/user/0/b4a.example/files/virtual_assets/new.db: open failed: ENOENT (No such file or directory)

Can anyone suggest what the problem is?

Bucky108 · Dec 14, 2016

To add to the original question, the code is:
DBUtils.CopyDBFromAssets("new.db")

Bucky108 · Dec 14, 2016

Apparently and oddly, the problem was with the file name. I renamed "new.db" to "contacts.db" and then DBUtils.CopyDBFromAssets worked.

Could this be a bug or are is there some kind of restriction with the file name of a SQLite DB file?

klaus · Dec 14, 2016

Unfortunately you don't give enough information.
How, exaxtly, looks like the line with DBUtils.CopyDBFromAssets("new.db") ?
It schould be:
DBDir = DBUtils.CopyDBFromAssets("new.db")
DBUtils.CopyDBFromAssets retuns a string with the name of the directory.
DBDir should be declared somewhere as a string.

Bucky108 · Dec 14, 2016

Thanks, yes I did forget that part which I needed for the SQL Initialize function.

Android Question DBUtils.CopyDBFromAssets function

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Android Question DBUtils.CopyDBFromAssets function

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