Android Question Off/on data connection

Sub ToggleDataConnection(dataState as Boolean)
    Dim ph As Phone
    Dim Command, Runner As String
    Dim StdOut, StdErr As StringBuilder
    Dim Result As Int
   
    StdOut.Initialize
    StdErr.Initialize
    Runner = File.Combine(File.DirInternalCache, "runner")
    Command = File.Combine(File.DirInternalCache, "command")
    File.WriteString(File.DirInternalCache, "runner", "su < " & Command)

    if dataState then         ' turn data connection on
        File.WriteString(File.DirInternalCache, "command", "svc data enable")
    else            ' turn data connection off
        File.WriteString(File.DirInternalCache, "command", "svc data disable")
    end if
    Result = ph.Shell("sh", Array As String(Runner), StdOut, StdErr)
End Sub