B4J Code Snippet B4J File Utils

SubName: GetVolumeLabel

Description: Returns the name of a volume (for example: 'RECOVERY').

Depends On: JavaObject

B4X: 
Sub GetVolumeLabel(Path As String) As String
    Dim JO As JavaObject
    Dim Dir As JavaObject
    JO = JO.InitializeStatic("javax.swing.filechooser.FileSystemView").RunMethod("getFileSystemView", Null)
    Dir.InitializeNewInstance("java.io.File", Array As Object(Path))
    Return JO.RunMethod("getSystemDisplayName", Array As Object(Dir))
End Sub

Example:
B4X: 
GetVolumeLabel("C:\") 'Returns "Local Disk (C:\)" on my Windows machine.

Tags: Volume Label

Notes: Has only been tested on Windows, unsure if it will work on Mac or Linux.
 
Click to expand...

sonicmayne

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Longtime User
SubName: GetVolumeType

Description: Returns the type of a volume (for example: 'Local Disk', 'Removable Disk' and so on)

Depends On: JavaObject

B4X: 
Public Sub GetVolumeType(Path As String) As String
    Dim JO As JavaObject
    Dim Dir As JavaObject
    JO = JO.InitializeStatic("javax.swing.filechooser.FileSystemView").RunMethod("getFileSystemView", Null)
    Dir.InitializeNewInstance("java.io.File", Array As Object(Path))
    Return JO.RunMethod("getSystemTypeDescription", Array As Object(Dir))  
End Sub

Example:
B4X: 
GetVolumeType("E:\") 'Returns CD Drive on my machine

Tags: Volume Type

Notes: Has only been tested on Windows, unsure if it will work on Mac or Linux.
 

sonicmayne

Member
Licensed User
Longtime User
SubName: GetMyDocuments

Description: Returns the default directory for the user to save their files to.

Depends On: JavaObject

B4X: 
Public Sub GetMyDocuments As String
    Dim JO As JavaObject
    Return JO.InitializeStatic("javax.swing.filechooser.FileSystemView").RunMethodJO("getFileSystemView", Null).RunMethod("getDefaultDirectory", Null)   
End Sub

Tags: My Documents, User Directory

Notes: Has only been tested on Windows, unsure if it will work on Mac or Linux.
 
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