Exemple #1
0
        public CustomAlertView Create(Post post, UINavigationController controller, UIView view)
        {
            _pickedCoin = CurrencyType.Steem;
            _coins      = new List <CurrencyType>();
            switch (AppSettings.User.Chain)
            {
            case KnownChains.Steem:
                _coins.AddRange(new[] { CurrencyType.Steem, CurrencyType.Sbd });
                break;

            case KnownChains.Golos:
                _coins.AddRange(new[] { CurrencyType.Golos, CurrencyType.Gbg });
                break;
            }

            var popup = new UIView();

            popup.ClipsToBounds      = true;
            popup.Layer.CornerRadius = 20;
            popup.BackgroundColor    = Constants.R255G255B255;

            var _alert = new CustomAlertView(popup, controller);

            var dialogWidth = UIScreen.MainScreen.Bounds.Width - 10 * 2;

            popup.AutoSetDimension(ALDimension.Width, dialogWidth);

            var commonMargin = 20;

            var title = new UILabel();

            title.Font          = Constants.Semibold14;
            title.Text          = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromotePost);
            title.TextAlignment = UITextAlignment.Center;
            popup.AddSubview(title);
            title.AutoPinEdgeToSuperviewEdge(ALEdge.Top);
            title.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            title.AutoPinEdgeToSuperviewEdge(ALEdge.Right);
            title.AutoSetDimension(ALDimension.Height, 70);

            var topSeparator = new UIView();

            topSeparator.BackgroundColor = Constants.R245G245B245;
            popup.AddSubview(topSeparator);

            topSeparator.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, title);
            topSeparator.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
            topSeparator.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
            topSeparator.AutoSetDimension(ALDimension.Height, 1);

            var container = new UIView();

            popup.AddSubview(container);

            container.AutoSetDimension(ALDimension.Height, 142);
            container.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, topSeparator);
            container.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
            container.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);

            var promotionLabel = new UILabel();

            promotionLabel.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.Amount);
            promotionLabel.Font = Constants.Semibold14;

            container.AddSubview(promotionLabel);

            promotionLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Top, 27);
            promotionLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Left);

            balanceLoader = new UIActivityIndicatorView();
            balanceLoader.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.White;
            balanceLoader.Color            = UIColor.Black;
            balanceLoader.HidesWhenStopped = true;
            balanceLoader.StartAnimating();

            container.AddSubview(balanceLoader);

            balanceLoader.AutoPinEdge(ALEdge.Left, ALEdge.Right, promotionLabel, 10);
            balanceLoader.AutoAlignAxis(ALAxis.Horizontal, promotionLabel);

            balanceLabel               = new UILabel();
            balanceLabel.Font          = Constants.Semibold14;
            balanceLabel.TextColor     = Constants.R151G155B158;
            balanceLabel.TextAlignment = UITextAlignment.Right;

            container.AddSubview(balanceLabel);

            balanceLabel.AutoAlignAxis(ALAxis.Horizontal, promotionLabel);
            balanceLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Right);
            balanceLabel.AutoPinEdge(ALEdge.Left, ALEdge.Right, promotionLabel, 5);
            balanceLabel.SetContentHuggingPriority(1, UILayoutConstraintAxis.Horizontal);

            GetBalance();

            var rightView = new UIView();

            container.AddSubview(rightView);
            rightView.AutoSetDimension(ALDimension.Height, 50);

            UIImageView pickerImage = new UIImageView(UIImage.FromBundle("ic_currency_picker.png"));

            rightView.AddSubview(pickerImage);
            pickerImage.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);
            pickerImage.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 10);

            UILabel _pickerLabel = new UILabel();

            _pickerLabel.Text          = "STEEM";
            _pickerLabel.TextAlignment = UITextAlignment.Center;
            _pickerLabel.Font          = Constants.Semibold14;
            _pickerLabel.TextColor     = Constants.R255G71B5;
            rightView.AddSubview(_pickerLabel);
            _pickerLabel.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);
            _pickerLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            _pickerLabel.AutoPinEdge(ALEdge.Right, ALEdge.Left, pickerImage, -5);

            rightView.LayoutIfNeeded();

            _amountTextField = new SearchTextField(AppSettings.LocalizationManager.GetText(LocalizationKeys.TransferAmountHint),
                                                   new UIEdgeInsets(0, 20, 0, 0), new AmountFieldDelegate(), false, rightView);
            _amountTextField.KeyboardType       = UIKeyboardType.DecimalPad;
            _amountTextField.Layer.CornerRadius = 25;
            container.AddSubview(_amountTextField);

            _amountTextField.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            _amountTextField.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, promotionLabel, 16);
            _amountTextField.AutoSetDimension(ALDimension.Height, 50);

            errorMessage           = new UILabel();
            errorMessage.Font      = Constants.Semibold14;
            errorMessage.TextColor = Constants.R255G34B5;
            container.AddSubview(errorMessage);

            errorMessage.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, _amountTextField);
            errorMessage.AutoPinEdge(ALEdge.Left, ALEdge.Left, _amountTextField);
            errorMessage.AutoPinEdge(ALEdge.Right, ALEdge.Right, _amountTextField);

            _amountTextField.EditingChanged += IsEnoughBalance;
            var max = new UIButton();

            max.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Max), UIControlState.Normal);
            max.SetTitleColor(UIColor.Black, UIControlState.Normal);
            max.Font = Constants.Semibold14;
            max.Layer.BorderWidth  = 1;
            max.Layer.BorderColor  = Constants.R245G245B245.CGColor;
            max.Layer.CornerRadius = 25;

            container.AddSubview(max);

            max.AutoPinEdgeToSuperviewEdge(ALEdge.Right);
            max.AutoPinEdge(ALEdge.Left, ALEdge.Right, _amountTextField, 10);
            max.AutoSetDimensionsToSize(new CGSize(80, 50));
            max.AutoAlignAxis(ALAxis.Horizontal, _amountTextField);
            max.TouchDown += MaxBtnOnClick;

            rightView.AutoAlignAxis(ALAxis.Horizontal, _amountTextField);
            rightView.AutoPinEdge(ALEdge.Right, ALEdge.Right, _amountTextField);
            container.BringSubviewToFront(rightView);

            UIPickerView picker = new UIPickerView();

            picker.Select(_coins.IndexOf(_pickedCoin), 0, true);
            picker.Model           = new CoinPickerViewModel(_coins);
            picker.BackgroundColor = Constants.R255G255B255;
            popup.AddSubview(picker);

            picker.AutoMatchDimension(ALDimension.Height, ALDimension.Height, container);
            picker.AutoMatchDimension(ALDimension.Width, ALDimension.Width, container);
            picker.AutoPinEdge(ALEdge.Top, ALEdge.Top, container);
            var pickerHidden  = picker.AutoPinEdge(ALEdge.Right, ALEdge.Left, container, -20);
            var pickerVisible = picker.AutoPinEdge(ALEdge.Right, ALEdge.Right, container);

            pickerVisible.Active = false;

            var promoteContainer = new UIView();

            promoteContainer.BackgroundColor = Constants.R255G255B255;
            popup.AddSubview(promoteContainer);

            promoteContainer.AutoMatchDimension(ALDimension.Height, ALDimension.Height, container);
            promoteContainer.AutoMatchDimension(ALDimension.Width, ALDimension.Width, container);
            promoteContainer.AutoPinEdge(ALEdge.Top, ALEdge.Top, container);
            var promoteHidden  = promoteContainer.AutoPinEdge(ALEdge.Left, ALEdge.Right, container, 20);
            var promoteVisible = promoteContainer.AutoPinEdge(ALEdge.Left, ALEdge.Left, container);

            promoteVisible.Active = false;

            var avatar = new UIImageView();

            avatar.Layer.CornerRadius = 20;
            avatar.ClipsToBounds      = true;
            promoteContainer.AddSubview(avatar);

            avatar.AutoPinEdgeToSuperviewEdge(ALEdge.Top, 16);
            avatar.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            avatar.AutoSetDimensionsToSize(new CGSize(40, 40));

            var promoterLogin = new UILabel();

            promoterLogin.Font      = Constants.Semibold14;
            promoterLogin.TextColor = Constants.R255G34B5;
            promoteContainer.AddSubview(promoterLogin);

            promoterLogin.AutoPinEdge(ALEdge.Left, ALEdge.Right, avatar, 20);
            promoterLogin.AutoPinEdgeToSuperviewEdge(ALEdge.Right);
            promoterLogin.AutoAlignAxis(ALAxis.Horizontal, avatar);

            var expectedTimeBackground = new UIView();

            expectedTimeBackground.Layer.CornerRadius = 10;
            expectedTimeBackground.BackgroundColor    = Constants.R250G250B250;
            promoteContainer.AddSubview(expectedTimeBackground);

            expectedTimeBackground.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, avatar, 15);
            expectedTimeBackground.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            expectedTimeBackground.AutoPinEdgeToSuperviewEdge(ALEdge.Right);
            expectedTimeBackground.AutoSetDimension(ALDimension.Height, 50);

            var expectedTimeLabel = new UILabel();

            expectedTimeLabel.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.ExpectedVoteTime);
            expectedTimeLabel.Font = Constants.Regular14;
            expectedTimeBackground.AddSubview(expectedTimeLabel);

            expectedTimeLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Left, DeviceHelper.IsSmallDevice ? 10 : 20);
            expectedTimeLabel.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);

            var expectedTimeValue = new UILabel();

            expectedTimeValue.TextAlignment = UITextAlignment.Right;
            expectedTimeValue.Font          = Constants.Light20;
            expectedTimeBackground.AddSubview(expectedTimeValue);

            expectedTimeValue.AutoPinEdge(ALEdge.Left, ALEdge.Right, expectedTimeLabel);
            expectedTimeValue.AutoPinEdgeToSuperviewEdge(ALEdge.Right, DeviceHelper.IsSmallDevice ? 10 : 20);
            expectedTimeValue.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);

            var sureText = new UILabel();

            sureText.BackgroundColor = Constants.R255G255B255;
            sureText.Lines           = 4;
            sureText.TextAlignment   = UITextAlignment.Center;
            sureText.Font            = Constants.Regular20;
            popup.AddSubview(sureText);

            sureText.AutoMatchDimension(ALDimension.Height, ALDimension.Height, container);
            sureText.AutoMatchDimension(ALDimension.Width, ALDimension.Width, container);
            sureText.AutoPinEdge(ALEdge.Top, ALEdge.Top, container);
            var sureTextHidden  = sureText.AutoPinEdge(ALEdge.Left, ALEdge.Right, container, 20);
            var sureTextVisible = sureText.AutoPinEdge(ALEdge.Left, ALEdge.Left, container);

            sureTextVisible.Active = false;

            var completeText = new UILabel();

            completeText.BackgroundColor = Constants.R255G255B255;
            completeText.Lines           = 4;
            completeText.TextAlignment   = UITextAlignment.Center;
            completeText.Font            = Constants.Regular20;
            popup.AddSubview(completeText);

            completeText.AutoMatchDimension(ALDimension.Height, ALDimension.Height, container);
            completeText.AutoMatchDimension(ALDimension.Width, ALDimension.Width, container);
            completeText.AutoPinEdge(ALEdge.Top, ALEdge.Top, container);
            var completeTextHidden  = completeText.AutoPinEdge(ALEdge.Left, ALEdge.Right, container, 20);
            var completeTextVisible = completeText.AutoPinEdge(ALEdge.Left, ALEdge.Left, container);

            completeTextVisible.Active = false;

            var separator = new UIView();

            separator.BackgroundColor = Constants.R245G245B245;
            popup.AddSubview(separator);

            separator.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, container);
            separator.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
            separator.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
            separator.AutoSetDimension(ALDimension.Height, 1);

            var selectButton = new UIButton();

            selectButton.SetTitle(string.Empty, UIControlState.Disabled);
            selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.FindPromoter), UIControlState.Normal);
            selectButton.SetTitleColor(UIColor.White, UIControlState.Normal);
            selectButton.Layer.CornerRadius = 25;
            selectButton.Font = Constants.Bold14;
            popup.AddSubview(selectButton);

            selectButton.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, separator, 20);
            selectButton.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
            selectButton.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
            selectButton.AutoSetDimension(ALDimension.Height, 50);
            selectButton.LayoutIfNeeded();

            var loader = new UIActivityIndicatorView();

            loader.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.White;
            loader.HidesWhenStopped           = true;

            selectButton.AddSubview(loader);

            loader.AutoCenterInSuperview();

            var tap = new UITapGestureRecognizer(() =>
            {
                if (balances == null)
                {
                    return;
                }

                _amountTextField.ResignFirstResponder();
                pickerHidden.Active  = false;
                pickerVisible.Active = true;

                UIView.Animate(0.2, 0, UIViewAnimationOptions.CurveEaseIn, () =>
                {
                    popup.LayoutIfNeeded();
                }, () =>
                {
                    title.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.SelectToken);
                    selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Select), UIControlState.Normal);
                });
            });

            rightView.AddGestureRecognizer(tap);

            var cancelButton = new UIButton();

            cancelButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Close), UIControlState.Normal);
            cancelButton.SetTitleColor(UIColor.Black, UIControlState.Normal);
            cancelButton.Layer.CornerRadius = 25;
            cancelButton.Font = Constants.Semibold14;
            cancelButton.Layer.BorderWidth = 1;
            cancelButton.Layer.BorderColor = Constants.R245G245B245.CGColor;
            popup.AddSubview(cancelButton);

            cancelButton.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, selectButton, 20);
            cancelButton.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
            cancelButton.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
            cancelButton.AutoPinEdgeToSuperviewEdge(ALEdge.Bottom, commonMargin);
            cancelButton.AutoSetDimension(ALDimension.Height, 50);

            controller.View.EndEditing(true);

            Timer timer = null;

            OperationResult <PromoteResponse> promoter = null;

            selectButton.TouchDown += async(sender, e) =>
            {
                if (balanceLoader.IsAnimating)
                {
                    return;
                }

                IsEnoughBalance(null, null);

                if (pickerVisible.Active)
                {
                    _pickedCoin       = _coins[(int)picker.SelectedRowInComponent(0)];
                    _pickerLabel.Text = _pickedCoin.ToString().ToUpper();

                    var balance = balances?.Find(x => x.CurrencyType == _pickedCoin);
                    balanceLabel.Text = $"{AppSettings.LocalizationManager.GetText(LocalizationKeys.Balance)}: {balance?.Value}";

                    pickerHidden.Active  = true;
                    pickerVisible.Active = false;
                    UIView.Animate(0.5, () =>
                    {
                        popup.LayoutIfNeeded();
                    }, () =>
                    {
                        title.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromotePost);
                        selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.FindPromoter), UIControlState.Normal);
                        _amountTextField.UpdateRightViewRect();
                    });
                }
                else if (sureTextVisible.Active)
                {
                    if (!AppSettings.User.HasActivePermission)
                    {
                        _alert.Hidden = true;

                        controller.PushViewController(new LoginViewController(false), true);
                        return;
                    }

                    selectButton.Enabled = false;
                    loader.StartAnimating();

                    sureTextHidden.Active  = true;
                    sureTextVisible.Active = false;

                    var transferResponse = await _presenter.TryTransfer(AppSettings.User.UserInfo, promoter.Result.Bot.Author, _amountTextField.GetDoubleValue().ToString(), _pickedCoin, $"https://steemit.com{post.Url}");

                    if (transferResponse.IsSuccess)
                    {
                        completeText.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.SuccessPromote);
                    }
                    else
                    {
                        completeText.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.TokenTransferError);
                    }

                    completeTextHidden.Active  = false;
                    completeTextVisible.Active = true;

                    UIView.Animate(0.2, 0, UIViewAnimationOptions.CurveEaseIn, () =>
                    {
                        popup.LayoutIfNeeded();
                    }, () =>
                    {
                        selectButton.Enabled = true;
                        loader.StopAnimating();
                        title.Text = true ? AppSettings.LocalizationManager.GetText(LocalizationKeys.PromoteComplete) : AppSettings.LocalizationManager.GetText(LocalizationKeys.TransferError);
                        selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.PromoteAgain), UIControlState.Normal);

                        promoteVisible.Active = false;
                        promoteHidden.Active  = true;
                        popup.LayoutIfNeeded();
                        timer?.Dispose();
                    });
                }
                else if (promoteVisible.Active)
                {
                    var promoteConfirmation = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromoteConfirmation,
                                                                                      _amountTextField.GetDoubleValue().ToString(),
                                                                                      _pickedCoin == CurrencyType.Sbd ? "SBD" : "Steem",
                                                                                      promoter.Result.Bot.Author);

                    sureText.Text          = promoteConfirmation;
                    sureTextHidden.Active  = false;
                    sureTextVisible.Active = true;

                    UIView.Animate(0.2, 0, UIViewAnimationOptions.CurveEaseIn, () =>
                    {
                        popup.LayoutIfNeeded();
                    }, () =>
                    {
                        selectButton.SetTitle("Yes", UIControlState.Normal);
                    });
                }
                else if (completeTextVisible.Active)
                {
                    completeTextHidden.Active  = true;
                    completeTextVisible.Active = false;

                    UIView.Animate(0.2, 0, UIViewAnimationOptions.CurveEaseIn, () =>
                    {
                        popup.LayoutIfNeeded();
                    }, () =>
                    {
                        title.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromotePost);
                        selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.FindPromoter), UIControlState.Normal);
                    });
                }
                else
                {
                    if (_amountTextField.GetDoubleValue() > balances?.Find(x => x.CurrencyType == _pickedCoin).Value)
                    {
                        errorMessage.Text   = AppSettings.LocalizationManager.GetText(LocalizationKeys.NotEnoughBalance);
                        errorMessage.Hidden = false;
                        return;
                    }

                    if (string.IsNullOrEmpty(_amountTextField.Text) || !IsValidAmount())
                    {
                        return;
                    }

                    selectButton.Enabled = false;
                    loader.StartAnimating();

                    var pr = new PromoteRequest()
                    {
                        Amount        = _amountTextField.GetDoubleValue(),
                        CurrencyType  = _pickedCoin,
                        PostToPromote = post,
                    };

                    promoter = await _presenter.FindPromoteBot(pr);

                    if (promoter.IsSuccess)
                    {
                        var expectedUpvoteTime = promoter.Result.ExpectedUpvoteTime;
                        if (expectedUpvoteTime.ToString().Length > 8)
                        {
                            expectedTimeValue.Text = expectedUpvoteTime.ToString().Remove(8);
                        }
                        timer = new Timer((obj) =>
                        {
                            expectedUpvoteTime = expectedUpvoteTime.Subtract(TimeSpan.FromSeconds(1));
                            view.InvokeOnMainThread(() =>
                            {
                                if (expectedUpvoteTime.ToString().Length > 8)
                                {
                                    expectedTimeValue.Text = expectedUpvoteTime.ToString().Remove(8);
                                }
                                else
                                {
                                    expectedTimeValue.Text = expectedUpvoteTime.ToString();
                                }
                            });
                        }, null, DateTime.Now.Add(expectedUpvoteTime).Millisecond, (int)TimeSpan.FromSeconds(1).TotalMilliseconds);

                        promoterLogin.Text = $"@{promoter.Result.Bot.Author}";

                        if (!string.IsNullOrEmpty(promoter.Result.Bot.Avatar))
                        {
                            ImageLoader.Load(promoter.Result.Bot.Avatar, avatar, size: new CGSize(300, 300));
                        }
                        else
                        {
                            avatar.Image = UIImage.FromBundle("ic_noavatar");
                        }

                        promoteHidden.Active  = false;
                        promoteVisible.Active = true;
                        UIView.Animate(0.2, 0, UIViewAnimationOptions.CurveEaseIn, () =>
                        {
                            popup.LayoutIfNeeded();
                        }, () =>
                        {
                            selectButton.Enabled = true;
                            loader.StopAnimating();
                            title.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromoterFound);
                            selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Promote), UIControlState.Normal);
                        });
                    }
                    else
                    {
                        completeText.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromoterNotFound);

                        completeTextHidden.Active  = false;
                        completeTextVisible.Active = true;

                        UIView.Animate(0.2, 0, UIViewAnimationOptions.CurveEaseIn, () =>
                        {
                            popup.LayoutIfNeeded();
                        }, () =>
                        {
                            selectButton.Enabled = true;
                            loader.StopAnimating();
                            title.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.PromoterSearchResult);
                            selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.SearchAgain), UIControlState.Normal);
                        });
                    }
                }
            };
            cancelButton.TouchDown += (sender, e) =>
            {
                _alert.Close();
            };

            var popuptap = new UITapGestureRecognizer(() =>
            {
                _amountTextField.ResignFirstResponder();
            });

            popup.AddGestureRecognizer(popuptap);

            Constants.CreateGradient(selectButton, 25);
            Constants.CreateShadowFromZeplin(selectButton, Constants.R231G72B0, 0.3f, 0, 10, 20, 0);
            popup.BringSubviewToFront(selectButton);

            _alert.Show();

            return(_alert);
        }
        private void CreateView()
        {
            View.BackgroundColor = UIColor.White;

            UILabel recepientLabel = new UILabel();

            recepientLabel.Text      = AppSettings.LocalizationManager.GetText(LocalizationKeys.RecipientName);
            recepientLabel.Font      = Constants.Semibold14;
            recepientLabel.TextColor = UIColor.Black;
            View.AddSubview(recepientLabel);

            recepientLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Top, 25);
            recepientLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 15);

            var recipientStackView = new UIStackView();

            recipientStackView.Spacing = 10;
            View.AddSubview(recipientStackView);

            recipientStackView.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 15);
            recipientStackView.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, recepientLabel, 16);
            recipientStackView.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 15);
            recipientStackView.AutoSetDimension(ALDimension.Height, 50);

            _recipientAvatar = new UIImageView();
            _recipientAvatar.Layer.CornerRadius = 25;
            _recipientAvatar.ClipsToBounds      = true;
            _recipientAvatar.Hidden             = true;
            recipientStackView.AddArrangedSubview(_recipientAvatar);
            _recipientAvatar.AutoSetDimension(ALDimension.Width, 50);

            _recepientTextField = new SearchTextField(AppSettings.LocalizationManager.GetText(LocalizationKeys.RecipientNameHint));

            _recepientTextField.ReturnButtonTapped += () => {
                RemoveFocus();
            };

            _recepientTextField.EditingChanged    += EditingChanged;
            _recepientTextField.Layer.CornerRadius = 25;
            _recepientTextField.EditingChanged    += (object sender, EventArgs e) =>
            {
                _transferFacade.Recipient = null;
            };

            recipientStackView.AddArrangedSubview(_recepientTextField);

            _recepientTextField.EditingDidBegin += (object sender, EventArgs e) =>
            {
                _usersTable.Hidden = false;
            };

            _recepientTextField.EditingDidEnd += (object sender, EventArgs e) =>
            {
                _usersTable.Hidden = true;
                _usersLoader.StopAnimating();
                _noResultViewTags.Hidden = true;
            };

            _recepientTextField.ClearButtonTapped += () =>
            {
                UIView.Animate(0.2, () =>
                {
                    _recipientAvatar.Hidden = true;
                    _recipientAvatar.LayoutIfNeeded();
                });

                _prevQuery = string.Empty;
                _transferFacade.Recipient = null;
                _transferFacade.UserFriendPresenter.Clear();
                _recepientTextField.Text = _transferFacade?.Recipient?.Author;
            };

            UILabel amountLabel = new UILabel();

            amountLabel.Text      = AppSettings.LocalizationManager.GetText(LocalizationKeys.TransferAmount);
            amountLabel.Font      = Constants.Semibold14;
            amountLabel.TextColor = UIColor.Black;
            View.AddSubview(amountLabel);

            amountLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 15);
            amountLabel.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, recipientStackView, 25);

            _balanceLoader.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.White;
            _balanceLoader.Color            = UIColor.Black;
            _balanceLoader.HidesWhenStopped = true;
            _balanceLoader.StartAnimating();

            View.AddSubview(_balanceLoader);

            _balanceLoader.AutoPinEdge(ALEdge.Left, ALEdge.Right, amountLabel, 10);
            _balanceLoader.AutoAlignAxis(ALAxis.Horizontal, amountLabel);

            _balanceLabel               = new UILabel();
            _balanceLabel.Font          = Constants.Semibold14;
            _balanceLabel.TextColor     = Constants.R151G155B158;
            _balanceLabel.TextAlignment = UITextAlignment.Right;

            View.AddSubview(_balanceLabel);

            _balanceLabel.AutoAlignAxis(ALAxis.Horizontal, amountLabel);
            _balanceLabel.AutoPinEdge(ALEdge.Left, ALEdge.Right, amountLabel, 5);
            _balanceLabel.SetContentHuggingPriority(1, UILayoutConstraintAxis.Horizontal);

            var rightView = new UIView();

            View.AddSubview(rightView);
            rightView.AutoSetDimension(ALDimension.Height, 50);

            UIImageView pickerImage = new UIImageView(UIImage.FromBundle("ic_currency_picker.png"));

            rightView.AddSubview(pickerImage);
            pickerImage.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);
            pickerImage.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 10);

            _pickerLabel.Text          = "STEEM";
            _pickerLabel.TextAlignment = UITextAlignment.Center;
            _pickerLabel.Font          = Constants.Semibold14;
            _pickerLabel.TextColor     = Constants.R255G71B5;
            rightView.AddSubview(_pickerLabel);
            _pickerLabel.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);
            _pickerLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            _pickerLabel.AutoPinEdge(ALEdge.Right, ALEdge.Left, pickerImage, -5);

            rightView.LayoutIfNeeded();

            _amountTextField = new SearchTextField(AppSettings.LocalizationManager.GetText(LocalizationKeys.TransferAmountHint),
                                                   new UIEdgeInsets(0, 20, 0, 0), new AmountFieldDelegate(), false, rightView);

            _amountTextField.KeyboardType       = UIKeyboardType.DecimalPad;
            _amountTextField.Layer.CornerRadius = 25;
            View.AddSubview(_amountTextField);

            //_amountTextField.ClearButtonTapped += () => { };
            _amountTextField.EditingChanged += IsEnoughBalance;

            View.AddSubview(_amountTextField);

            _amountTextField.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 15);
            _amountTextField.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, amountLabel, 16);
            _amountTextField.AutoSetDimension(ALDimension.Height, 50);

            var max = new UIButton();

            max.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Max), UIControlState.Normal);
            max.SetTitleColor(UIColor.Black, UIControlState.Normal);
            max.Font = Constants.Semibold14;
            max.Layer.BorderWidth  = 1;
            max.Layer.BorderColor  = Constants.R245G245B245.CGColor;
            max.Layer.CornerRadius = 25;

            View.AddSubview(max);

            max.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 15);
            max.AutoPinEdge(ALEdge.Left, ALEdge.Right, _amountTextField, 10);
            max.AutoSetDimensionsToSize(new CGSize(80, 50));
            max.AutoAlignAxis(ALAxis.Horizontal, _amountTextField);
            max.TouchDown += MaxBtnOnClick;

            rightView.AutoAlignAxis(ALAxis.Horizontal, _amountTextField);
            rightView.AutoPinEdge(ALEdge.Right, ALEdge.Right, _amountTextField);
            View.BringSubviewToFront(rightView);
            _balanceLabel.AutoPinEdge(ALEdge.Right, ALEdge.Right, _amountTextField);

            UIView pickerView = new UIView();

            pickerView.Layer.CornerRadius     = 25;
            pickerView.Layer.BorderColor      = Constants.R244G244B246.CGColor;
            pickerView.Layer.BorderWidth      = 1;
            pickerView.UserInteractionEnabled = true;
            var pickerTap = new UITapGestureRecognizer(() =>
            {
                if (_alert == null)
                {
                    var popup                = new UIView();
                    popup.ClipsToBounds      = true;
                    popup.Layer.CornerRadius = 15;
                    popup.BackgroundColor    = UIColor.White;
                    View.AddSubview(popup);
                    var dialogWidth = UIScreen.MainScreen.Bounds.Width - 10 * 2;
                    popup.AutoSetDimension(ALDimension.Width, dialogWidth);

                    var commonMargin = 20;

                    var title  = new UILabel();
                    title.Font = Constants.Semibold14;
                    title.Text = AppSettings.LocalizationManager.GetText(LocalizationKeys.SelectToken);
                    title.SizeToFit();
                    popup.AddSubview(title);
                    title.AutoPinEdgeToSuperviewEdge(ALEdge.Top);
                    title.AutoAlignAxisToSuperviewAxis(ALAxis.Vertical);
                    title.AutoSetDimension(ALDimension.Height, 70);

                    UIPickerView picker = new UIPickerView();
                    picker.Select(_coins.IndexOf(_pickedCoin), 0, true);
                    picker.Model = new CoinPickerViewModel(_coins);
                    popup.AddSubview(picker);

                    picker.AutoSetDimension(ALDimension.Width, dialogWidth - commonMargin * 2);
                    picker.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, title);
                    picker.AutoAlignAxisToSuperviewAxis(ALAxis.Vertical);
                    picker.SizeToFit();

                    var topSeparator             = new UIView();
                    topSeparator.BackgroundColor = Constants.R245G245B245;
                    popup.AddSubview(topSeparator);

                    topSeparator.AutoPinEdge(ALEdge.Bottom, ALEdge.Top, picker);
                    topSeparator.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
                    topSeparator.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
                    topSeparator.AutoSetDimension(ALDimension.Height, 1);

                    var separator             = new UIView();
                    separator.BackgroundColor = Constants.R245G245B245;
                    popup.AddSubview(separator);

                    separator.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, picker);
                    separator.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
                    separator.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
                    separator.AutoSetDimension(ALDimension.Height, 1);

                    var selectButton = new UIButton();
                    selectButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Select), UIControlState.Normal);
                    selectButton.SetTitleColor(UIColor.White, UIControlState.Normal);
                    selectButton.Layer.CornerRadius = 25;
                    selectButton.Font = Constants.Bold14;
                    popup.AddSubview(selectButton);

                    selectButton.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, separator, 20);
                    selectButton.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
                    selectButton.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
                    selectButton.AutoSetDimension(ALDimension.Height, 50);
                    selectButton.LayoutIfNeeded();

                    var cancelButton = new UIButton();
                    cancelButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Close), UIControlState.Normal);
                    cancelButton.SetTitleColor(UIColor.Black, UIControlState.Normal);
                    cancelButton.Layer.CornerRadius = 25;
                    cancelButton.Font = Constants.Semibold14;
                    cancelButton.Layer.BorderWidth = 1;
                    cancelButton.Layer.BorderColor = Constants.R245G245B245.CGColor;
                    popup.AddSubview(cancelButton);

                    cancelButton.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, selectButton, 20);
                    cancelButton.AutoPinEdgeToSuperviewEdge(ALEdge.Left, commonMargin);
                    cancelButton.AutoPinEdgeToSuperviewEdge(ALEdge.Right, commonMargin);
                    cancelButton.AutoPinEdgeToSuperviewEdge(ALEdge.Bottom, commonMargin);
                    cancelButton.AutoSetDimension(ALDimension.Height, 50);

                    NavigationController.View.EndEditing(true);

                    _alert = new CustomAlertView(popup, NavigationController);

                    selectButton.TouchDown += (sender, e) =>
                    {
                        CoinSelected(_coins[(int)picker.SelectedRowInComponent(0)]);
                        _alert.Close();
                        _amountTextField.UpdateRightViewRect();
                    };
                    cancelButton.TouchDown += (sender, e) => { _alert.Close(); };

                    popup.SizeToFit();
                    Constants.CreateGradient(selectButton, 25);
                }
                _alert.Show();
            });

            rightView.AddGestureRecognizer(pickerTap);

            var bottomStackView = new UIStackView();

            bottomStackView.Axis = UILayoutConstraintAxis.Vertical;
            View.AddSubview(bottomStackView);

            bottomStackView.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 15);
            bottomStackView.AutoPinEdge(ALEdge.Top, ALEdge.Bottom, _amountTextField, 5);
            bottomStackView.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 15);
            bottomStackView.Spacing = 16;

            errorMessage.Font      = Constants.Semibold12;
            errorMessage.Hidden    = true;
            errorMessage.TextColor = Constants.R255G34B5;
            errorMessage.Text      = AppSettings.LocalizationManager.GetText(LocalizationKeys.AmountLimitFull);
            bottomStackView.AddArrangedSubview(errorMessage);

            memoLabel           = new UILabel();
            memoLabel.Text      = AppSettings.LocalizationManager.GetText(LocalizationKeys.TransferComment);
            memoLabel.TextColor = Constants.R255G71B5;
            memoLabel.Font      = Constants.Semibold14;
            memoLabel.UserInteractionEnabled = true;

            var memoTap = new UITapGestureRecognizer(() =>
            {
                memoLabel.TextColor = UIColor.Black;
                memoLabel.Text      = AppSettings.LocalizationManager.GetText(LocalizationKeys.TransferComment);
                UIView.Animate(0.2, () =>
                {
                    _memoTextView.Hidden = false;
                    _memoTextView.LayoutIfNeeded();
                });
            });

            memoLabel.AddGestureRecognizer(memoTap);
            bottomStackView.AddArrangedSubview(memoLabel);

            memoLabel.AutoSetDimension(ALDimension.Height, 30);

            _memoTextView = new UITextView();
            _memoTextView.Layer.CornerRadius = 25;
            _memoTextView.TextContainerInset = new UIEdgeInsets(10, 15, 10, 15);
            _memoTextView.Font    = Constants.Regular14;
            _memoTextView.Bounces = false;
            _memoTextView.ShowsVerticalScrollIndicator = false;
            _memoTextView.Hidden          = true;
            _memoTextView.TintColor       = Constants.R255G71B5;
            _memoTextView.BackgroundColor = Constants.R245G245B245;
            _memoTextViewDelegate         = new BaseTextViewDelegate();
            _memoTextView.Delegate        = _memoTextViewDelegate;

            _memoTextViewDelegate.EditingEndedAction += () =>
            {
                base.ScrollTheView(false);
            };

            bottomStackView.AddArrangedSubview(_memoTextView);

            _memoTextView.AutoSetDimension(ALDimension.Height, 80);
            var buttonWrapper = new UIView();

            _transferButton = new UIButton();
            _transferButton.SetTitleColor(UIColor.White, UIControlState.Normal);
            _transferButton.SetTitleColor(UIColor.Clear, UIControlState.Disabled);
            _transferButton.SetTitle(AppSettings.LocalizationManager.GetText(LocalizationKeys.Transfer).ToUpper(), UIControlState.Normal);
            _transferButton.Layer.CornerRadius = 25;
            _transferButton.Font       = Constants.Bold14;
            _transferButton.TouchDown += Transfer;
            buttonWrapper.AddSubview(_transferButton);

            _transferButton.AutoSetDimension(ALDimension.Height, 50);
            _transferButton.AutoPinEdgeToSuperviewEdge(ALEdge.Left);
            _transferButton.AutoPinEdgeToSuperviewEdge(ALEdge.Top, 15);
            _transferButton.AutoPinEdgeToSuperviewEdge(ALEdge.Bottom);
            _transferButton.AutoPinEdgeToSuperviewEdge(ALEdge.Right);
            Constants.CreateShadow(_transferButton, Constants.R204G204B204, 0.7f, 25, 10, 12);

            _tranfserLoader = new UIActivityIndicatorView();
            _tranfserLoader.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.White;
            _tranfserLoader.HidesWhenStopped           = true;
            buttonWrapper.AddSubview(_tranfserLoader);

            _tranfserLoader.AutoAlignAxis(ALAxis.Horizontal, _transferButton);
            _tranfserLoader.AutoAlignAxis(ALAxis.Vertical, _transferButton);

            bottomStackView.AddArrangedSubview(buttonWrapper);

            buttonWrapper.AutoSetDimension(ALDimension.Height, 65);

            SetupTable();

            _noResultViewTags.Text          = AppSettings.LocalizationManager.GetText(LocalizationKeys.NoResultText);
            _noResultViewTags.Lines         = 2;
            _noResultViewTags.Hidden        = true;
            _noResultViewTags.TextAlignment = UITextAlignment.Center;
            _noResultViewTags.Font          = Constants.Light27;
            _noResultViewTags.TextColor     = Constants.R15G24B30;

            View.AddSubview(_noResultViewTags);
            _noResultViewTags.AutoPinEdge(ALEdge.Right, ALEdge.Right, _usersTable, -18);
            _noResultViewTags.AutoPinEdge(ALEdge.Left, ALEdge.Left, _usersTable, 18);
            _usersNotFoundHorizontalAlignment = _noResultViewTags.AutoAlignAxis(ALAxis.Horizontal, _usersTable);

            warningView = new UIView();
            warningView.ClipsToBounds   = true;
            warningView.BackgroundColor = Constants.R255G34B5;
            warningView.Alpha           = 0;
            Constants.CreateShadow(warningView, Constants.R231G72B0, 0.5f, 6, 10, 12);
            View.AddSubview(warningView);

            warningView.AutoSetDimension(ALDimension.Height, 60);
            warningView.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 15);
            warningView.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 15);
            warningViewToBottomConstraint = warningView.AutoPinEdgeToSuperviewEdge(ALEdge.Bottom);

            var warningImage = new UIImageView();

            warningImage.Image = UIImage.FromBundle("ic_info");

            var warningLabel = new UILabel();

            warningLabel.Text      = AppSettings.LocalizationManager.GetText(LocalizationKeys.TagSearchWarning);
            warningLabel.Lines     = 3;
            warningLabel.Font      = Constants.Regular12;
            warningLabel.TextColor = UIColor.FromRGB(255, 255, 255);

            warningView.AddSubview(warningLabel);
            warningView.AddSubview(warningImage);

            warningImage.AutoPinEdgeToSuperviewEdge(ALEdge.Left, 20);
            warningImage.AutoPinEdgeToSuperviewEdge(ALEdge.Top, 20);
            warningImage.AutoSetDimension(ALDimension.Width, 20);
            warningImage.AutoPinEdgeToSuperviewEdge(ALEdge.Bottom, 20);

            warningLabel.AutoPinEdge(ALEdge.Left, ALEdge.Right, warningImage, 20);
            warningLabel.AutoAlignAxisToSuperviewAxis(ALAxis.Horizontal);
            warningLabel.AutoPinEdgeToSuperviewEdge(ALEdge.Right, 20);

            var tap = new UITapGestureRecognizer(() =>
            {
                RemoveFocus();
            });

            View.AddGestureRecognizer(tap);
        }