Ejemplo n.º 1
0
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            Constants.CreateShadow(loginButton, Constants.R231G72B0, 0.5f, 25, 10, 12);
            avatar.Layer.CornerRadius = avatar.Frame.Height / 2;

            var eyeButton = new UIButton(new CGRect(0, 0, 25, password.Frame.Height));

            eyeButton.SetImage(UIImage.FromBundle("eye"), UIControlState.Normal);
            password.RightView     = eyeButton;
            password.RightViewMode = UITextFieldViewMode.Always;

            qrButton.Layer.CornerRadius = 25;
            qrButton.Layer.BorderWidth  = 1f;
            qrButton.Layer.BorderColor  = Constants.R244G244B246.CGColor;

            if (_isPostingMode)
            {
                var avatarLink = AccountInfoResponse.Metadata?.Profile?.ProfileImage;
                if (!string.IsNullOrEmpty(avatarLink))
                {
                    ImageLoader.Load(avatarLink, avatar, size: new CGSize(300, 300));
                }
                else
                {
                    avatar.Image = UIImage.FromBundle("ic_noavatar");
                }
            }
            else
            {
                Username             = AppSettings.User.Login;
                password.Placeholder = "Private active key";
                avatar.Image         = ((MainTabBarController)NavigationController.ViewControllers[0])._avatar.Image;
                GetAccountInfo();
            }

            password.Font    = Constants.Regular14;
            loginButton.Font = Constants.Semibold14;
            qrButton.Font    = Constants.Semibold14;
#if DEBUG
            var di = AppSettings.AssetHelper.GetDebugInfo();
            if (AppDelegate.MainChain == KnownChains.Steem)
            {
                password.Text = di.SteemTestWif;
            }
            else
            {
                password.Text = di.GolosTestWif;
            }
#endif
            loginButton.TouchDown           += Login;
            eyeButton.TouchDown             += EyeButtonTouch;
            password.ShouldReturn           += PasswordShouldReturn;
            password.ShouldChangeCharacters += ShouldCharactersChange;
            qrButton.TouchDown += QrTouch;

            SetBackButton();
        }
 public override void ViewDidLayoutSubviews()
 {
     if (!_isinitialized)
     {
         postPhotoButton.LayoutIfNeeded();
         Constants.CreateGradient(postPhotoButton, 25);
         Constants.CreateShadow(postPhotoButton, Constants.R231G72B0, 0.5f, 25, 10, 12);
         _isinitialized = true;
     }
 }
Ejemplo n.º 3
0
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            Constants.CreateShadow(loginButton, Constants.R231G72B0, 0.5f, 25, 10, 12);
            avatar.Layer.CornerRadius = avatar.Frame.Height / 2;

            var eyeButton = new UIButton(new CGRect(0, 0, 25, password.Frame.Height));

            eyeButton.SetImage(UIImage.FromBundle("eye"), UIControlState.Normal);
            password.RightView     = eyeButton;
            password.RightViewMode = UITextFieldViewMode.Always;

            qrButton.Layer.CornerRadius = 25;
            qrButton.Layer.BorderWidth  = 1f;
            qrButton.Layer.BorderColor  = Constants.R244G244B246.CGColor;

            ImageService.Instance.LoadUrl(AvatarLink, TimeSpan.FromDays(30))
            .Retry(2, 200)
            .FadeAnimation(false, true)
            .DownSample(width: 300)
            .Into(avatar);

            password.Font    = Constants.Regular14;
            loginButton.Font = Constants.Semibold14;
            qrButton.Font    = Constants.Semibold14;
#if DEBUG
            var di = AppSettings.AssetsesHelper.GetDebugInfo();
            if (BasePresenter.Chain == KnownChains.Steem)
            {
                password.Text = di.SteemTestWif;
            }
            else
            {
                password.Text = di.GolosTestWif;
            }
#endif
            loginButton.TouchDown           += Login;
            eyeButton.TouchDown             += EyeButtonTouch;
            password.ShouldReturn           += PasswordShouldReturn;
            password.ShouldChangeCharacters += ShouldCharactersChange;
            qrButton.TouchDown += QrTouch;

            SetBackButton();
        }
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            Constants.CreateShadow(loginButton, Constants.R231G72B0, 0.5f, 25, 10, 12);
            loginText.Font   = Constants.Regular14;
            loginButton.Font = Constants.Semibold14;

            loginText.ShouldReturn += LoginShouldReturn;
            loginButton.TouchDown  += Login;
#if DEBUG
            if (BasePresenter.Chain == KnownChains.Steem)
            {
                loginText.Text = DebugHelper.GetTestSteemLogin();
            }
            else
            {
                loginText.Text = DebugHelper.GetTestGolosLogin();
            }
#endif
            NavigationController.SetNavigationBarHidden(false, false);
            SetBackButton();
        }
 public override void ViewDidLayoutSubviews()
 {
     Constants.CreateGradient(postPhotoButton, 25);
     Constants.CreateShadow(postPhotoButton, Constants.R231G72B0, 0.5f, 25, 10, 12);
 }
        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);
        }