Java Question Wrapper for AppBugTracker android library

public static void Initialize(BA ba, String appToken) {

        Context context = BA.applicationContext;
        Logger.setLevel(LoggerLevel.TRACE);

        Log.d("appbugtracker", "before init: " + Thread.getDefaultUncaughtExceptionHandler().getClass().getName());

        com.appbugtracker.AppBugTracker.init(context, appToken);

        Log.d("appbugtracker", "after init: " + Thread.getDefaultUncaughtExceptionHandler().getClass().getName());
    }

Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.
    Dim abt As AppBugTracker
    Dim abtToken As String = “—token-here—“
End Sub

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    'These variables can only be accessed from this module.
End Sub

Sub Activity_Create(FirstTime As Boolean)
    'Do not forget to load the layout file created with the visual designer. For example:
    'Activity.LoadLayout("Layout1")
'    If FirstTime Then
        abt.Initialize(abtToken)
        Msgbox("richiamato AppBugTracker.Initialize", "DEBUG")
'    End If
 
    Dim b As Button
    b.Initialize("b")
    b.Text = "Raise Exception"
 
    Activity.AddView(b, 0, 100%y - 50dip, 100%x, 40dip)
End Sub

Sub b_Click
    Dim s() As String
‘  // Raise an exception here, that should use the AppBugTracker handler
    If s(0) = "a" Then ToastMessageShow(“throws exception”, False) Else ToastMessageShow(“ok”, False)
End Sub

public static void LogIt(){
    Log.d("appbugtracker", "LogIt:  " + Thread.getDefaultUncaughtExceptionHandler().getClass().getName());
}

Sub b_Click
    '    which handler is being used right now?
    apt.LogIt
    Dim s() As String
    If s(0) = "a" Then ToastMessageShow(“throws exception”, False) Else ToastMessageShow(“ok”, False)
End Sub