Android Question how to know if a button has focus?

Public Sub GetFocusedView As View
    Dim R As Reflector
    Return R.GetActivity.As(JavaObject).RunMethod("getCurrentFocus", Null)
End Sub

Sub SetUpOnFocusListener(Button As Button, EventName As String)
 
    Dim JO As JavaObject = Button
    Dim event As Object = JO.CreateEvent("android.view.View.OnFocusChangeListener",EventName,False)
    JO.RunMethod("setOnFocusChangeListener",Array As Object(event))
End Sub

Sub Help_Event(MethodName As String, Args() As Object)
    Dim btn As Button
    btn = Sender
 
    Log("Button has focus: " & Args(1)) 'Args(1) is True if button has focus, false otherwise.
    If Args(1)= True Then
        btn.Color = xui.Color_Blue
    Else
        btn.Color = xui.Color_DarkGray
    End If
End Sub

''
SetUpOnFocusListener(btnTest,"Help")

Sub SetUpOnFocusListener2(Button As SwiftButton, EventName As String)
 
    Dim JO As JavaObject = Button ' <<<--- can not accept swiftbutton
    Dim event As Object = JO.CreateEvent("android.view.View.OnFocusChangeListener",EventName,False)
    JO.RunMethod("setOnFocusChangeListener",Array As Object(event))
End Sub

Sub Help2_Event(MethodName As String, Args() As Object)
    Dim btn As SwiftButton
    btn = Sender
 
    Log("Button has focus: " & Args(1)) 'Args(1) is True if button has focus, false otherwise.
    If Args(1)= True Then
        btn.mBase.Color = xui.Color_Blue
    Else
        btn.mBase.Color = xui.Color_DarkGray
    End If
End Sub

[CODE=b4x]''

SetUpOnFocusListener2(swifButton1,"Help")

Sub SetFocusable(Vw As View, Focusable As Boolean)
    Dim jo As JavaObject = Vw
    jo.RunMethod("setFocusable", Array(Focusable))
    jo.RunMethod("setFocusableInTouchMode", Array(Focusable))
End Sub

Sub createItem(title As String) As B4XView
    Dim p As B4XView = xui.CreatePanel("")
    p.SetLayoutAnimated(0,0,0,100%x,35dip)
    p.LoadLayout("customeListViewItem")
    LabelItem1.Text = title
    SetFocusable(p,True)
    SetUpOnFocusListener2(p,"Help2")
    
    Return p
    
End Sub