Esempio n. 1
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        public void UnboundSignaturePadViewReturnsNullImage()
        {
            SignaturePadView signature = new SignaturePadView();
            UIImage          image     = signature.GetImage();

            Assert.That(image == null);
        }
Esempio n. 2
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        public void ValidFillColorReturnsImage()
        {
            SignaturePadView signature = new SignaturePadView(new RectangleF(0, 0, 50, 100));
            UIImage          image     = signature.GetImage(UIColor.Black, UIColor.White);

            Assert.That(image != null);
        }
Esempio n. 3
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        public void ZeroWidthReturnsNullImage()
        {
            SignaturePadView signature = new SignaturePadView(new RectangleF(0, 0, 50, 100));
            UIImage          image     = signature.GetImage(new SizeF(0, 50));

            Assert.That(image == null);
        }
Esempio n. 4
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        public void NegativeHeightReturnsNullImage()
        {
            SignaturePadView signature = new SignaturePadView(new RectangleF(0, 0, 50, 100));
            UIImage          image     = signature.GetImage(new SizeF(25, -50));

            Assert.That(image == null);
        }
Esempio n. 5
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        public void PositiveScaleReturnsImage()
        {
            SignaturePadView signature = new SignaturePadView(new RectangleF(0, 0, 50, 100));
            UIImage          image     = signature.GetImage(2f);

            Assert.That(image != null);
        }
Esempio n. 6
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        public void NullFillColorReturnsNullImage()
        {
            SignaturePadView signature = new SignaturePadView(new RectangleF(0, 0, 50, 100));
            UIImage          image     = signature.GetImage(UIColor.Black, null);

            Assert.That(image == null);
        }
Esempio n. 7
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        public SampleView()
        {
            BackgroundColor = UIColor.White;

            //Create the save button
            btnSave = UIButton.FromType(UIButtonType.RoundedRect);
            btnSave.SetTitle("Save", UIControlState.Normal);

            //Create the load button
            btnLoad = UIButton.FromType(UIButtonType.RoundedRect);
            btnLoad.SetTitle("Load Last", UIControlState.Normal);
            btnLoad.TouchUpInside += (sender, e) => {
                if (points != null)
                {
                    Signature.LoadPoints(points);
                }
            };

            Frame = UIScreen.MainScreen.ApplicationFrame;

            Signature = new SignaturePadView();
            //Using different layouts for the iPhone and iPad, so setup device specific requirements here.
            if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone)
            {
                //iPhone version simply saves the vector of points in an instance variable.
                btnSave.TouchUpInside += (sender, e) => {
                    if (Signature.IsBlank)
                    {
                        new UIAlertView("", "No signature to save.", null, "Okay", null).Show();
                    }
                    else
                    {
                        points = Signature.Points;
                        new UIAlertView("", "Vector Saved.", null, "Okay", null).Show();
                    }
                };
            }
            else
            {
                //iPad version saves the vector of points as well as retrieving the UIImage to display
                //in a UIImageView.
                btnSave.TouchUpInside += (sender, e) => {
                    //if (signature.IsBlank)
                    //	new UIAlertView ("", "No signature to save.", null, "Okay", null).Show ();
                    imageView.Image = Signature.GetImage();
                    points          = Signature.Points;
                };

                //Create the UIImageView to display a saved signature.
                imageView = new UIImageView();
                AddSubview(imageView);
            }
            TranslatesAutoresizingMaskIntoConstraints = false;

            //Add the subviews.
            AddSubview(Signature);
            AddSubview(btnSave);
            AddSubview(btnLoad);
        }
        public void HandlePositiveButtonClick(object sender, DialogClickEventArgs e)
        {
            try
            {
                //signature = Activity.FindViewById<SignaturePadView>(Resource.Id.signatureFrame);
                Bitmap       imagen = signature.GetImage();
                MemoryStream ms     = new MemoryStream();
                //ByteArrayOutputStream bos = new ByteArrayOutputStream();
                imagen.Compress(Bitmap.CompressFormat.Png, 100, ms);
                byte[] bArray = ms.ToArray();

                //string id = Guid.NewGuid().ToString();
                System.Console.WriteLine("GUID: " + guid);
                loadConnection();
                db.BeginTransaction();
                //Se almacena en base de datos el BLOB con su respectivo GUID
                try
                {
                    string          sql        = "INSERT INTO IMAGENES (Nombre,Imagen) VALUES(?,?)";
                    SQLiteStatement insertStmt = db.CompileStatement(sql);
                    insertStmt.ClearBindings();
                    insertStmt.BindString(1, guid);
                    insertStmt.BindBlob(2, bArray);
                    insertStmt.ExecuteInsert();
                    db.SetTransactionSuccessful();
                    db.EndTransaction();
                    db.Close();
                    try
                    {
                        if (actor.Equals("notificando", StringComparison.Ordinal))
                        {
                            ManejoBaseDatos.Abrir();
                            ManejoBaseDatos.Actualizar("Notificaciones", "ValidacionNotificando", "S", "CodigoNotificacion=" + codigo + "");
                            ManejoBaseDatos.Cerrar();
                        }
                        if (actor.Equals("testigo", StringComparison.Ordinal))
                        {
                            ManejoBaseDatos.Abrir();
                            ManejoBaseDatos.Actualizar("Notificaciones", "ValidacionTestigo", "S", "CodigoNotificacion=" + codigo + "");
                            ManejoBaseDatos.Cerrar();
                        }
                    }
                    catch (Exception ex)
                    {
                        System.Console.WriteLine("Error almacenando confirmacion de firma: " + ex.ToString());
                        Toast.MakeText(this.Activity, "Error guardando confirmacion", ToastLength.Short).Show();
                    }
                }
                catch (Exception ex) { System.Console.WriteLine("Error guardando imagen en db: " + ex.ToString()); }

                Toast.MakeText(this.Activity, "Firma capturada de forma exitosa", ToastLength.Short).Show();
            }
            catch (Exception ex) { System.Console.WriteLine("ERROR guardando la imagen: " + ex.ToString()); }
        }
Esempio n. 9
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 async void CompleteButton_OnClicked(Object sender, EventArgs e)
 {
     if (!SignaturePadView.GetDrawPoints().Any())
     {
         await this.SignOrderPageViewModel.NoSignatureFound();
     }
     else
     {
         var result = ImageStreamToBytes(SignaturePadView.GetImage(ImageFormatType.Png));
         await this.SignOrderPageViewModel.SignatureComplete(result);
     }
 }
Esempio n. 10
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        /// <summary>
        /// Se guarda la firma
        /// Se devuelve a la vista de donde fue llamada la pantalla de firmas
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Guardar_Click(object sender, EventArgs e)
        {
            if (fragmentoRetornar != null)
            {
                //fzeledon
                SignaturePadView signature = Activity.FindViewById <SignaturePadView>(Resource.Id.signatureFrame);
                Bitmap           imagen    = signature.GetImage();
                var t = signature.BackgroundImageView;
                //guardarFirma(imagen);//Se guarda la firma

                //Se retorna a la pantalla anterior
                ((Activities.MainActivity)Activity).navegacionFragment(fragmentoRetornar);
            }
        }
Esempio n. 11
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            public override void ViewDidLoad()
            {
                base.ViewDidLoad();

                cancel = new UIBarButtonItem("Cancel", UIBarButtonItemStyle.Bordered, (sender, e) => {
                    controller.Dismiss(true);
                });
                cancel.SetTitleTextAttributes(new UITextAttributes {
                    TextColor = UIColor.White
                }, UIControlState.Normal);
                cancel.SetBackgroundImage(Theme.DarkBarButtonItem, UIControlState.Normal, UIBarMetrics.Default);

                save = new UIBarButtonItem("Save", UIBarButtonItemStyle.Bordered, (sender, e) => {
                    //If blank, return
                    if (signatureView.IsBlank)
                    {
                        new UIAlertView(string.Empty, "No signature!", null, "Ok").Show();
                        return;
                    }

                    if (assignmentViewModel.Signature == null)
                    {
                        assignmentViewModel.Signature = new Data.Signature {
                            AssignmentId = assignmentViewModel.SelectedAssignment.Id
                        };
                    }
                    assignmentViewModel.Signature.Image = signatureView.GetImage().ToByteArray();

                    assignmentViewModel.SaveSignatureAsync()
                    .ContinueWith(_ => {
                        BeginInvokeOnMainThread(() => controller.Dismiss(true));
                    });
                });

                save.SetTitleTextAttributes(new UITextAttributes {
                    TextColor = UIColor.White
                }, UIControlState.Normal);
                save.SetBackgroundImage(Theme.DarkBarButtonItem, UIControlState.Normal, UIBarMetrics.Default);

                NavigationItem.LeftBarButtonItem  = cancel;
                NavigationItem.RightBarButtonItem = save;
                NavigationController.NavigationBar.SetBackgroundImage(null, UIBarMetrics.Default);

                signatureView = new SignaturePadView(View.Frame)
                {
                    AutoresizingMask = UIViewAutoresizing.All,
                };
                View.AddSubview(signatureView);
            }
Esempio n. 12
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        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            SetContentView(Resource.Layout.AddSignatureLayout);

            var save = (Button)FindViewById(Resource.Id.signatureSaveButton);

            save.Click += (sender, e) => {
                if (signatureView.IsBlank)
                {
                    AlertDialog.Builder builder = new AlertDialog.Builder(Activity);
                    builder
                    .SetTitle(string.Empty)
                    .SetMessage("No signature!")
                    .SetPositiveButton("Ok", (innerSender, innere) => { })
                    .Show();
                    return;
                }
                if (assignmentViewModel.Signature == null)
                {
                    assignmentViewModel.Signature = new Signature
                    {
                        AssignmentId = Assignment.Id
                    };
                }

                assignmentViewModel.Signature.Image = signatureView.GetImage(Color.Black, Color.White).ToByteArray();
                assignmentViewModel.SaveSignatureAsync()
                .ContinueWith(_ => {
                    activity.RunOnUiThread(() => {
                        var fragment = Activity.FragmentManager.FindFragmentById <ConfirmationFragment> (Resource.Id.contentFrame);
                        fragment.ReloadConfirmation();
                        Dismiss();
                    });
                });
            };

            var cancel = (Button)FindViewById(Resource.Id.signatureCancelButton);

            cancel.Click += (sender, e) => {
                Dismiss();
            };

            signatureView = (SignaturePadView)FindViewById(Resource.Id.signatureImage);
            signatureView.BackgroundColor = Color.White;
            signatureView.StrokeColor     = Color.Black;
        }
        /// <summary>
        /// Save the docket
        /// </summary>
        bool UpdateDocketDetails(bool confirm)
        {
            _confirm = confirm;

            // set the signature
            var customerName = _customerNameEditText.Text;

            // validate signature
            if (_signatureView.IsBlank)
            {
                var messageSignature = Resources.GetString(Resource.String.message_missing_signature);

                Activity.RunOnUiThread(() =>
                {
                    UserDialogs.Instance.Alert(messageSignature);
                });

                return(false);
            }

            byte[] signature;
            using (var stream = new MemoryStream())
            {
                var image = _signatureView.GetImage(true, true);

                image.Compress(Bitmap.CompressFormat.Png, 50, stream);
                signature = stream.ToArray();

                stream.Close();
                image.Dispose();
            }

            //var location = await GetLocation().ConfigureAwait(false);
            var longitude = _location?.Longitude;
            var latitude  = _location?.Latitude;

            // open a new realm since getlocation causes context switch
            _docketId = DocketService.CommitDocket(_repository, _docketId, signature, longitude,
                                                   latitude, customerName, confirm);

            // update the docket id
            var profile = _repository.Profiles.First();

            profile.CurrentDocketID = _docketId;
            _repository.SaveChanges();

            return(true);
        }
Esempio n. 14
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        private void BtnSave_Click(object sender, EventArgs e)
        {
            SignatureImage = sign_pad.GetImage();



            //byte[] b = new byte[(long)f.Length()];

            //f.ReadFully(b);

            //Java.IO.File file;


            //Toast.MakeText(Activity, "Signature Saved", ToastLength.Short).Show();
            //ByteBuffer buffer = ByteBuffer.Allocate(SignatureImage.ByteCount);
            //SignatureImage.CopyPixelsToBuffer(buffer);
            //buffer.Rewind();



            ////Byte array signature
            //IntPtr classHandle = JNIEnv.FindClass("java/nio/ByteBuffer");
            //IntPtr methodId = JNIEnv.GetMethodID(classHandle, "array", "()[B");
            //IntPtr resultHandle = JNIEnv.CallObjectMethod(buffer.Handle, methodId);
            //byte[] result = JNIEnv.GetArray<byte>(resultHandle);
            //JNIEnv.DeleteLocalRef(resultHandle);

            try
            {
                int byteSize = SignatureImage.RowBytes * SignatureImage.Height;
                int bytes    = SignatureImage.ByteCount;

                MemoryStream stream = new MemoryStream();
                SignatureImage.Compress(Bitmap.CompressFormat.Png, 0, stream);
                byte[] bitmapData = stream.ToArray();


                bool uploadsign = SQL_Functions.uploadSignature(bitmapData);
                Toast.MakeText(Activity, "Signature Uploaded", ToastLength.Short).Show();
            }
            catch (Exception ex)
            {
                new Android.Support.V7.App.AlertDialog.Builder(Activity).SetTitle("Indigent App Error").SetMessage("Upload failed: " + ex.Message + "\n \nPlease try again later").SetCancelable(true).Show();
            }


            Dismiss();
        }
Esempio n. 15
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        private void CompleteButton_Click(object sender, EventArgs e)
        {
            CheckOutSignatureViewModel viewModel = this.ViewModel as CheckOutSignatureViewModel;

            if (_signaturePad.IsBlank)
            {
                viewModel.DriverSignature = null;
            }
            else
            {
                var image = _signaturePad.GetImage(AndroidGraphics.Color.Black,
                                                   AndroidGraphics.Color.White, 0.5f, shouldCrop: false);
                using (var ms = new MemoryStream())
                {
                    image.Compress(AndroidGraphics.Bitmap.CompressFormat.Png, 0, ms);
                    viewModel.DriverSignature = Convert.ToBase64String(ms.ToArray());
                }
                viewModel.CompleteCommand.Execute(null);
            }
        }
Esempio n. 16
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        void DoneButton_Click(object sender, EventArgs e)
        {
            var viewModel = (InstructionSignatureViewModel)ViewModel;

            if (signaturePad.IsBlank || !viewModel.IsSignaturePadEnabled)
            {
                viewModel.CustomerSignatureEncodedImage = null;
            }
            else
            {
                var image = signaturePad.GetImage(AndroidGraphics.Color.Black, AndroidGraphics.Color.White, 0.5f, shouldCrop: false);

                using (var ms = new MemoryStream())
                {
                    image.Compress(AndroidGraphics.Bitmap.CompressFormat.Png, 0, ms);
                    viewModel.CustomerSignatureEncodedImage = Convert.ToBase64String(ms.ToArray());
                }
            }

            viewModel.InstructionDoneCommand.Execute(null);
        }
        private async void DoneButton_Click(object sender, EventArgs e)
        {
            //TODO: can we achieve this using data binding?
            var viewModel = (SafetyCheckSignatureViewModel)ViewModel;

            if (_signaturePad.IsBlank)
            {
                viewModel.SignatureEncodedImage = null;
            }
            else
            {
                var image = _signaturePad.GetImage(AndroidGraphics.Color.Black, AndroidGraphics.Color.White, 0.5f, shouldCrop: false);

                using (var ms = new MemoryStream())
                {
                    image.Compress(AndroidGraphics.Bitmap.CompressFormat.Png, 0, ms);
                    viewModel.SignatureEncodedImage = Convert.ToBase64String(ms.ToArray());
                }
            }

            await viewModel.DoneAsync();
        }
Esempio n. 18
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        private void CaptureSignature()
        {
            signature = new SignaturePadView(new CGRect(100, 100, 400, 400))
            {
                StrokeWidth = 3f
            };
            var button = new UIButton(UIButtonType.RoundedRect);

            button.Frame = new CGRect(400, 505, 100, 50);
            button.SetTitle("Done", UIControlState.Normal);
            button.BackgroundColor = UIColor.DarkGray;
            button.TouchUpInside  += (sender, e) => {
                if (signature.IsBlank)
                {
                    return;
                }

                var image        = signature.GetImage();
                var imageEncoded = image.AsJPEG().GetBase64EncodedString(NSDataBase64EncodingOptions.None);

                var capture = new NSMutableDictionary();

                capture.Add(NSObject.FromObject("signature"), NSObject.FromObject(imageEncoded));
                capture.Add(NSObject.FromObject("refNum"), NSObject.FromObject(RefNumText.Text));
                capture.Add(NSObject.FromObject("amount"), NSObject.FromObject(AMOUNT));
                capture.Add(NSObject.FromObject("command"), NSObject.FromObject("capture"));

                CardReader.CaptureSignature(capture);

                button.RemoveFromSuperview();
                signature.RemoveFromSuperview();
            };

            View.AddSubview(signature);
            View.AddSubview(button);
        }
Esempio n. 19
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        public override void ViewWillAppear(bool animated)
        {
            base.ViewWillAppear(animated);
            var bounds = UIScreen.MainScreen.Bounds;

            loading = new LoadingOverlay(bounds, "Updating Signature");

            this.SetToolbarItems(new UIBarButtonItem[] {
                new UIBarButtonItem(UIBarButtonSystemItem.Cancel, (s, e) => {
                    DismissViewController(true, null);


                    Console.WriteLine("Cancel clicked");
                })
                , new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace)
                {
                    Width = 50
                }
                , new UIBarButtonItem(UIBarButtonSystemItem.Save, async(s, e) => {
                    //var detail = this.Storyboard.InstantiateViewController("IndigentApplicantsViewController") as IndigentApplicantsViewController;


                    //NavigationController.PopViewController(true);

                    var img = signature.GetImage();


                    try
                    {
                        // show the loading overlay on the UI thread using the correct orientation sizi

                        View.Add(loading);


                        using (NSData imageData = img.AsPNG())
                        {
                            Byte[] myByteAray = new Byte[imageData.Length];
                            System.Runtime.InteropServices.Marshal.Copy(imageData.Bytes, myByteAray, 0, Convert.ToInt32(imageData.Length));


                            await Task.Delay(1000);
                            bool upload = uploadSignature(myByteAray);
                            loading.Hide();
                        }

                        new UIAlertView("Sucess", "Signature Updated", null, "Ok", null).Show();
                    }
                    catch (Exception ex)
                    {
                        new UIAlertView("Error", ex.Message, null, "Ok", null).Show();

                        //new Android.Support.V7.App.AlertDialog.Builder(Activity).SetTitle("Indigent App Error").SetMessage("Upload failed: " + ex.Message + "\n \nPlease try again later").SetCancelable(true).Show();
                    }

                    backFromsign = true;
                    DismissViewController(true, null);

                    Console.WriteLine("Save clicked");
                })
            }, false);

            this.NavigationController.ToolbarHidden = false;
        }
Esempio n. 20
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        public override async void ViewDidLoad()
        {
            base.ViewDidLoad();
            var verifica = new LAContext();
            var autoriza = await verifica.EvaluatePolicyAsync
                               (LAPolicy.DeviceOwnerAuthenticationWithBiometrics,
                               "Autenticación FaceID");

            if (autoriza.Item1)
            {
                var voz = new AVSpeechUtterance("Está usted autorizado en la Aplicación, sea Bienvenido");
                voz.Voice = AVSpeechSynthesisVoice.FromLanguage("es-MX");
                habla.SpeakUtterance(voz);
                lblEstatus.Text = "Autorizado";
            }
            else
            {
                lblEstatus.Text = "No Autorizado";

                var Gravedad = new UIGravityBehavior(Imagen, btnConfirmar, btnGuardar, lblEstatus);
                var Colision = new UICollisionBehavior(Imagen, btnConfirmar, btnGuardar, lblEstatus)
                {
                    TranslatesReferenceBoundsIntoBoundary = false
                };
                var Rebote = new UIDynamicItemBehavior(btnConfirmar)
                {
                    Elasticity = 1f
                };
                Animador = new UIDynamicAnimator(View);
                Animador.AddBehaviors(Gravedad, Colision, Rebote);
                System.Threading.Thread.CurrentThread.Abort();
            }
            var Firma = new SignaturePadView(View.Frame)
            {
                StrokeWidth     = 3f,
                StrokeColor     = UIColor.Black,
                BackgroundColor = UIColor.White,
            };

            Firma.Frame                     = new CGRect(10, 500, 350, 200);
            Firma.Layer.BorderWidth         = 1f;
            Firma.SignaturePrompt.TextColor = UIColor.Blue;
            Firma.Caption.TextColor         = UIColor.White;
            Firma.Caption.Text              = "Firmar en esta zona";
            View.AddSubview(Firma);

            btnConfirmar.TouchUpInside += delegate
            {
                Imagen.Image = Firma.GetImage();
            };
            btnGuardar.TouchUpInside += delegate
            {
                var imagenfirma = Firma.GetImage();
                try
                {
                    imagenfirma.SaveToPhotosAlbum(delegate
                                                  (UIImage imagen, NSError error)
                                                  { });
                    lblEstatus.Text = "Guardado en biblioteca";
                }
                catch (Exception ex)
                {
                    lblEstatus.Text = ex.Message;
                }
            };
        }
Esempio n. 21
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        private void SalvaPedidoPDF()
        {
            try
            {
                //O PDF sempre será salvo no sdcard
                string caminho          = "mnt/sdcard/Download/invoice.pdf";
                System.IO.FileStream fs = new System.IO.FileStream(caminho, System.IO.FileMode.Create);

                //Create an instance of the document class which represents the PDF document itself.
                Document document = new Document(PageSize.A4, 25, 25, 30, 30);

                //Create an instance to the PDF file by creating an instance of the PDF Writer class, using the document and the filestrem in the constructor.
                PdfWriter writer = PdfWriter.GetInstance(document, fs);

                //Open the document to enable you to write to the document
                document.Open();

                //Adiciona título
                Paragraph pgTitulo = new Paragraph();
                pgTitulo.Add("Pedido");
                pgTitulo.Alignment = Element.ALIGN_CENTER;
                BaseFont bfTitulo = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, false);
                pgTitulo.Font = new Font(bfTitulo, Font.BOLD);
                document.Add(pgTitulo);


                // Add a simple and well known phrase to the document in a flow layout manner
                Paragraph pgPedido = new Paragraph("Pedido: " + FindViewById <TextView>(Resource.Id.txtNumOrdem).Text);
                pgPedido.Add("     ");
                pgPedido.Add("Data: " + FindViewById <TextView>(Resource.Id.txtData).Text);
                pgPedido.Add("     ");
                pgPedido.Add("Hora: " + FindViewById <TextView>(Resource.Id.txtHora).Text);
                pgPedido.Alignment     = Element.ALIGN_LEFT;
                pgPedido.SpacingBefore = 20;
                document.Add(pgPedido);

                Paragraph pgNome = new Paragraph("Cliente: " + FindViewById <TextView>(Resource.Id.txtNome).Text);
                pgNome.Alignment = Element.ALIGN_LEFT;
                document.Add(pgNome);

                Paragraph pgObservacao = new Paragraph("Observação Geral: " + FindViewById <TextView>(Resource.Id.txtObsGeral).Text);
                pgObservacao.Alignment = Element.ALIGN_LEFT;
                document.Add(pgObservacao);

                PdfPTable myTable = new PdfPTable(3);
                myTable.WidthPercentage     = 100;
                myTable.HorizontalAlignment = 0;
                myTable.SpacingBefore       = 20;
                myTable.SpacingAfter        = 10;
                float[] sglTblHdWidths = new float[3];
                sglTblHdWidths[0] = 300f;
                sglTblHdWidths[1] = 60f;
                sglTblHdWidths[2] = 70f;
                myTable.SetWidths(sglTblHdWidths);

                PdfPCell CellOneHdr = new PdfPCell(new Phrase("Produto"));
                CellOneHdr.HorizontalAlignment = Element.ALIGN_CENTER;
                myTable.AddCell(CellOneHdr);
                PdfPCell CellTwoHdr = new PdfPCell(new Phrase("Qtde"));
                CellTwoHdr.HorizontalAlignment = Element.ALIGN_CENTER;
                myTable.AddCell(CellTwoHdr);
                PdfPCell CellFourHdr = new PdfPCell(new Phrase("Preço"));
                CellFourHdr.HorizontalAlignment = Element.ALIGN_CENTER;
                myTable.AddCell(CellFourHdr);

                foreach (Produto produto in ListaImprimir)
                {
                    PdfPCell CellOne = new PdfPCell(new Phrase(produto.DESCR_MAT_CADMAT));
                    CellOne.HorizontalAlignment = Element.ALIGN_LEFT;
                    myTable.AddCell(CellOne);
                    PdfPCell CellTwo = new PdfPCell(new Phrase(produto.QTD_CADMAT.ToString()));
                    CellTwo.HorizontalAlignment = Element.ALIGN_CENTER;
                    myTable.AddCell(CellTwo);
                    PdfPCell CellFour = new PdfPCell(new Phrase(Convert.ToDouble(produto.PRECO_UNIT).ToString("N2")));
                    CellFour.HorizontalAlignment = Element.ALIGN_RIGHT;
                    myTable.AddCell(CellFour);
                }

                document.Add(myTable);

                Paragraph pgTotal = new Paragraph("Total do Pedido: " + FindViewById <TextView>(Resource.Id.txtTotal).Text);
                pgTotal.Alignment    = Element.ALIGN_RIGHT;
                pgTotal.SpacingAfter = 30;
                document.Add(pgTotal);

                // Converte a assinatura para byte, e depois para iTextImage
                SignaturePadView        signature = FindViewById <SignaturePadView>(Resource.Id.signatureView);
                Android.Graphics.Bitmap imagen    = signature.GetImage(Android.Graphics.Color.Black, Android.Graphics.Color.White);
                MemoryStream            fstream   = new MemoryStream();
                imagen.Compress(Bitmap.CompressFormat.Jpeg, 100, fstream);
                byte[] result = fstream.ToArray();
                fstream.Flush();

                //Adiciona assinatura ao documento
                Image imgAssinatura = Image.GetInstance(result);
                imgAssinatura.ScaleAbsolute(300f, 30f);
                imgAssinatura.Alignment     = Element.ALIGN_CENTER;
                imgAssinatura.SpacingBefore = 20;
                document.Add(imgAssinatura);

                Paragraph pgAssinatura = new Paragraph();
                pgAssinatura.Add("Cliente: Sara A. H.");
                pgAssinatura.Alignment = Element.ALIGN_CENTER;
                document.Add(pgAssinatura);

                //Adiciona Copyright
                Paragraph pgFooter = new Paragraph();
                pgFooter.Add("Sara Honorato © 2016 All rights reserved ");
                pgFooter.Alignment     = Element.ALIGN_RIGHT;
                pgFooter.SpacingBefore = 20;
                pgFooter.SpacingAfter  = 20;
                document.Add(pgFooter);

                // Close the document
                document.Close();

                // Close the writer instance
                writer.Close();

                // Always close open file handles explicitly
                fs.Close();

                // Abre o pdf salvo
                OpenPdf(caminho);
            }
            catch (System.Exception ex)
            {
                Toast toast = Toast.MakeText(this, "Erro: " + ex.Message, ToastLength.Long);
                toast.SetGravity(GravityFlags.CenterVertical | GravityFlags.CenterHorizontal, 0, 0);
                toast.Show();
            }
        }