Touch event in Gameview

Sub Activity_Touch(Action As Int, tx As Float, ty As Float)
   If Not(Action = Activity.ACTION_DOWN) Then Return
   If tx > x - boxSize AND tx < x + boxSize AND _
      ty > y - boxSize AND ty < y + boxSize Then
      vx = -vx 'change the smiley direction if the user pressed on it
      vy = -vy
   End If
   CircleCanvas.DrawCircle(tx, ty, 5dip, Colors.Red, False, 2dip)
   Activity.Invalidate3(tx - 7dip, ty - 7dip, tx + 7dip, ty + 7dip)
End Sub

Sub gv_Touch (Action As Int, X As Float, Y As Float)
If Not(Action = Activity.ACTION_DOWN) Then Return
   If X > smiley.DestRect.Right - size AND X < smiley.DestRect.Right AND _
      Y > smiley.DestRect.Bottom - size AND Y < smiley.DestRect.Bottom Then
      vx = -vx 'change the smiley direction if the user pressed on it
      vy = -vy
       
   End If
gv.Invalidate3(X - 7dip, Y - 7dip, X + 7dip, Y + 7dip)
      
End Sub