Android Question ScalmageView Save to file

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    'These variables can only be accessed from this module.
    Dim ScaleImageView1 As ScaleImageView   

    Private Canvas As Canvas

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("Viewer")
    
    gestures.SetOnGestureListener(Panel1, "Panel1")
    
    Canvas.Initialize(ScaleImageView1)
End Sub



Sub ScaleImageView1_OnDraw(viewcanvas As Canvas) 'The view is being redrawn. Use viewcanvas to draw on it.
    
    canvas=viewcanvas
    
    Log("draw")
End Sub

Private Sub Button_save_Click
    Dim Out As OutputStream
    Out = File.OpenOutput( File.DirRootExternal & "/Download/", "Testxv.jpg", False)
    canvas.bitmap.WriteToStream(Out, 90, "JPEG")
    Out.Close
    
End Sub

    Dim b As Bitmap
    b.Initialize3(ScaleImageView1.Image)   
    Dim Out As OutputStream
    Out = File.OpenOutput( File.DirRootExternal & "/Download/", "Testxv.jpg", False)
    b.WriteToStream(Out, 90, "JPEG")
    Out.Close