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This line of code: su.SaveCSV2( File.DirData( AppName ), vers, ",", lstCSV, hdr ) where vers = "C1A0501 v0.4.0 FAN 2021-10-11 094328.csv" AppName = "R9_B4J" causes this error: Error occurred on line: 3817 (Main) java.io.FileNotFoundException: C:\Users\<my... usage of File.DirData in the program and they all crash now :( Of course, the folder...
link: I think I found the problem, there was a non-printable character in the file name, so it did not show anywhere... I found it by trying to create a small project showing the problem. When I copied the...

Noticed when selecting File.DirData no tooltip given but info "Invalid Description" instead....
link: It is fixed in v3.61 which was released a few minutes ago......

Tip: easier to use XUI.DefaultFolder + XUI.SetDataFolder....
link: exactly what I was trying: Log(File.DirData), so I thought that was gospel. I think I saw...
link: Have a look at the contextual help and the error message in the Logs Tab. 101004 101005 A paramet...
link: 101003 Log(File.DirData(""))...

You can use any string you like. The AppName value will be used to create the data folder....
link: It's for win only (b4j ui packager) . See https://www.b4x.com/android/forum/threads/data-folder.56874/#content https://www.b4x....
link: Hi, I found the B4J lastest version adding a File.DirData function , but it need a appname...

If File.Exists(File.DirData(appname), appname) = False Then File.MakeDir(File.DirData(appname), appname) End If #if Release others.RedirectOutput(File.Combine(File.DirData(appname), appname), "logs.txt") #end if #else #if Release and Production RedirectOutput(File.DirData(appname), "logs.txt"... be used: 161965 And do not forget everywhere in the project (where File.DirData is needed) to refer...

is a read-only folder. Any attempt to write to File.DirApp will fail (you should use File.DirData...

I'm happy to release B4J v9.00 BETA. Download link: www.b4x.com/b4j/files/beta.exe Improvements: IDE performance - several cases where the typing speed became slow were fixed. The speed difference in those cases is significant. #PackagerProperty can be used multiple times with the same key. Internal packager supports packaging non-ui apps (windows only for now). The size of a zipped non-ui package is around 14mb. File.DirData / XUI.DefaultFolder on Mac point to ~/Library/Application...

/ DirLibrary / DirTemp / DirData / DirDefaultExternal / GetSafeDirDefaultExternal -> XUI...

Edit: This method is now available internally with File.DirData. Windows apps are installed by default under Program Files. Starting from Windows Vista, Program Files folders are read-only. This means that writing to File.DirApp will fail. The following code returns a writable folder based on the platform: Sub GetDataFolder (AppName As String) As String Dim os As String = GetSystemProperty...
link: If I remember correctly File.DirData implementation is identical to the above code. What happens...

This is the default path: opt.PyBridgePath = File.Combine(File.DirData("pybridge"), $"b4x_bridge_${Utils.PythonBridgeCodeVersion}.zip"$) File.DirData is usually writable. And you can change it by setting Options.PyBridgePath....