Android Question JavaObject & AAR Call

public class IrHandler
{
  public static final String libVersion = "1.15";
  private static boolean a = Build.VERSION.SDK_INT >= 11;
  public static final int COM_IR = 1;
......

public IrHandler(Context context, Handler handler)
  {
    this.mContext = context;
    mHandler = handler;
    mAudioManager = (AudioManager)context.getSystemService("audio");
   .......

Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.

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.
    Dim jo As JavaObject
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("1")
    'Inizializzo oggetto JavaObject
    If FirstTime Then jo.InitializeContext
End Sub


Sub GetContext As JavaObject
   Return GetBA.GetField("context")
End Sub

Sub GetHandler As JavaObject
   Return GetBA.GetField("handler")
End Sub

Sub GetBA As JavaObject
  Dim jo As JavaObject
  Dim cls As String = Me
  cls = cls.SubString("class ".Length)
  jo.InitializeStatic(cls)
  Return jo.GetFieldJO("processBA")
End Sub

Sub Cooffee As JavaObject
   Dim jo As JavaObject
   Return jo.InitializeNewInstance("com.rft.irlib.IrHandler", Array(GetContext, GetHandler))   
  
End Sub



Sub btn_start_Click
  
    'PowerStart
    Dim batteria, memtot, memused, nfile As Int
    Dim sn, version As String
    Dim temperature As Float

    batteria = Cooffee.RunMethod("GetBattery", Null)
     Log("Batteria: " & batteria)
    memtot = Cooffee.RunMethod("GetMemTot", Null)
    Log("MemTot: " & memtot)

    memused = Cooffee.RunMethod("GetMemUsed", Null)
    Log("MemUsed: " & memused)
   
    nfile =  Cooffee.RunMethod("GetNFile", Null)
    Log("NFile: " & nfile)
   
    sn = Cooffee.RunMethod("GetSN", Null)
    Log("SN: " & sn)
   
    version = Cooffee.RunMethod("GetVersion", Null)
    Log("Version: " & version)
   
    temperature = Cooffee.RunMethod("GetTemperature", Null)
    Log("Temperature: " & temperature)
   

End Sub



Sub Activity_Resume


End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub