C# UIView.AtBottomOf方法代码示例

        public override void LoadView ()
        {
            View = new UIView ()
                .Apply (Style.Screen);

            View.Add (inputsContainer = new UIView ().Apply (Style.Signup.InputsContainer));

            inputsContainer.Add (topBorder = new UIView ().Apply (Style.Signup.InputsBorder));

            inputsContainer.Add (emailTextField = new UITextField () {
                Placeholder = "SignupEmailHint".Tr (),
                AutocapitalizationType = UITextAutocapitalizationType.None,
                KeyboardType = UIKeyboardType.EmailAddress,
                ReturnKeyType = UIReturnKeyType.Next,
                ClearButtonMode = UITextFieldViewMode.Always,
                ShouldReturn = HandleShouldReturn,
            }.Apply (Style.Signup.EmailField));
            emailTextField.EditingChanged += OnTextFieldEditingChanged;

            inputsContainer.Add (middleBorder = new UIView ().Apply (Style.Signup.InputsBorder));

            inputsContainer.Add(passwordTextField = new PasswordTextField () {
                Placeholder = "SignupPasswordHint".Tr (),
                AutocapitalizationType = UITextAutocapitalizationType.None,
                AutocorrectionType = UITextAutocorrectionType.No,
                SecureTextEntry = true,
                ReturnKeyType = UIReturnKeyType.Go,
                ShouldReturn = HandleShouldReturn,
            }.Apply (Style.Signup.PasswordField));
            passwordTextField.EditingChanged += OnTextFieldEditingChanged;

            inputsContainer.Add (bottomBorder = new UIView ().Apply (Style.Signup.InputsBorder));

            View.Add (passwordActionButton = new UIButton ()
                .Apply (Style.Signup.SignupButton));
            passwordActionButton.SetTitle ("SignupSignupButtonText".Tr (), UIControlState.Normal);
            passwordActionButton.TouchUpInside += OnPasswordActionButtonTouchUpInside;

            View.Add (googleActionButton = new UIButton ()
                .Apply (Style.Signup.GoogleButton));
            googleActionButton.SetTitle ("SignupGoogleButtonText".Tr (), UIControlState.Normal);
            googleActionButton.TouchUpInside += OnGoogleActionButtonTouchUpInside;

            View.Add (legalLabel = new TTTAttributedLabel () {
                Delegate = new LegalLabelDelegate (),
            }.Apply (Style.Signup.LegalLabel));
            SetLegalText (legalLabel);

            inputsContainer.AddConstraints (
                topBorder.AtTopOf (inputsContainer),
                topBorder.AtLeftOf (inputsContainer),
                topBorder.AtRightOf (inputsContainer),
                topBorder.Height ().EqualTo (1f),

                emailTextField.Below (topBorder),
                emailTextField.AtLeftOf (inputsContainer, 20f),
                emailTextField.AtRightOf (inputsContainer, 10f),
                emailTextField.Height ().EqualTo (42f),

                middleBorder.Below (emailTextField),
                middleBorder.AtLeftOf (inputsContainer, 20f),
                middleBorder.AtRightOf (inputsContainer),
                middleBorder.Height ().EqualTo (1f),

                passwordTextField.Below (middleBorder),
                passwordTextField.AtLeftOf (inputsContainer, 20f),
                passwordTextField.AtRightOf (inputsContainer),
                passwordTextField.Height ().EqualTo (42f),

                bottomBorder.Below (passwordTextField),
                bottomBorder.AtLeftOf (inputsContainer),
                bottomBorder.AtRightOf (inputsContainer),
                bottomBorder.AtBottomOf (inputsContainer),
                bottomBorder.Height ().EqualTo (1f)
            );

            inputsContainer.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints ();

            View.AddConstraints (
                inputsContainer.AtTopOf (View, 80f),
                inputsContainer.AtLeftOf (View),
                inputsContainer.AtRightOf (View),

                passwordActionButton.Below (inputsContainer, 20f),
                passwordActionButton.AtLeftOf (View),
                passwordActionButton.AtRightOf (View),
                passwordActionButton.Height ().EqualTo (60f),

                googleActionButton.Below (passwordActionButton, 5f),
                googleActionButton.AtLeftOf (View),
                googleActionButton.AtRightOf (View),
                googleActionButton.Height ().EqualTo (60f),

                legalLabel.AtBottomOf (View, 30f),
                legalLabel.AtLeftOf (View, 40f),
                legalLabel.AtRightOf (View, 40f)
            );

            View.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints ();

//.........这里部分代码省略.........

        public override void LoadView ()
        {
            View = new UIView ()
                .Apply (Style.Screen);

            View.Add (inputsContainer = new UIView ().Apply (Style.Login.InputsContainer));

            inputsContainer.Add (topBorder = new UIView ().Apply (Style.Login.InputsBorder));

            inputsContainer.Add (emailTextField = new UITextField () {
                Placeholder = "LoginEmailHint".Tr (),
                AutocapitalizationType = UITextAutocapitalizationType.None,
                KeyboardType = UIKeyboardType.EmailAddress,
                ReturnKeyType = UIReturnKeyType.Next,
                ClearButtonMode = UITextFieldViewMode.Always,
                ShouldReturn = HandleShouldReturn,
            }.Apply (Style.Login.EmailField));

            inputsContainer.Add (middleBorder = new UIView ().Apply (Style.Login.InputsBorder));

            inputsContainer.Add (passwordTextField = new UITextField () {
                Placeholder = "LoginPasswordHint".Tr (),
                AutocapitalizationType = UITextAutocapitalizationType.None,
                AutocorrectionType = UITextAutocorrectionType.No,
                SecureTextEntry = true,
                ReturnKeyType = UIReturnKeyType.Go,
                ShouldReturn = HandleShouldReturn,
            }.Apply (Style.Login.PasswordField));

            inputsContainer.Add (bottomBorder = new UIView ().Apply (Style.Login.InputsBorder));

            View.Add (passwordActionButton = new UIButton ()
                .Apply (Style.Login.LoginButton));
            passwordActionButton.SetTitle ("LoginLoginButtonText".Tr (), UIControlState.Normal);
            passwordActionButton.TouchUpInside += OnPasswordActionButtonTouchUpInside;

            inputsContainer.AddConstraints (
                topBorder.AtTopOf (inputsContainer),
                topBorder.AtLeftOf (inputsContainer),
                topBorder.AtRightOf (inputsContainer),
                topBorder.Height ().EqualTo (1f),

                emailTextField.Below (topBorder),
                emailTextField.AtLeftOf (inputsContainer, 20f),
                emailTextField.AtRightOf (inputsContainer, 10f),
                emailTextField.Height ().EqualTo (42f),

                middleBorder.Below (emailTextField),
                middleBorder.AtLeftOf (inputsContainer, 20f),
                middleBorder.AtRightOf (inputsContainer),
                middleBorder.Height ().EqualTo (1f),

                passwordTextField.Below (middleBorder),
                passwordTextField.AtLeftOf (inputsContainer, 20f),
                passwordTextField.AtRightOf (inputsContainer),
                passwordTextField.Height ().EqualTo (42f),

                bottomBorder.Below (passwordTextField),
                bottomBorder.AtLeftOf (inputsContainer),
                bottomBorder.AtRightOf (inputsContainer),
                bottomBorder.AtBottomOf (inputsContainer),
                bottomBorder.Height ().EqualTo (1f)
            );

            inputsContainer.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints ();

            View.AddConstraints (
                inputsContainer.AtTopOf (View, 80f),
                inputsContainer.AtLeftOf (View),
                inputsContainer.AtRightOf (View),

                passwordActionButton.Below (inputsContainer, 20f),
                passwordActionButton.AtLeftOf (View),
                passwordActionButton.AtRightOf (View),
                passwordActionButton.Height ().EqualTo (60f)
            );

            View.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints ();
        }

        public override void LoadView ()
        {
            durationButton = new UIButton ().Apply (Style.NavTimer.DurationButton);
            durationButton.SetTitle (DefaultDurationText, UIControlState.Normal); // Dummy content to use for sizing of the label
            durationButton.SizeToFit ();
            durationButton.TouchUpInside += OnDurationButtonTouchUpInside;
            NavigationItem.TitleView = durationButton;

            var scrollView = new UIScrollView ().Apply (Style.Screen);

            scrollView.Add (wrapper = new UIView () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            });

            wrapper.Add (startStopView = new StartStopView {
                TranslatesAutoresizingMaskIntoConstraints = false,
                StartTime = ViewModel.StartDate,
                StopTime = ViewModel.StopDate,
            });
            startStopView.SelectedChanged += OnStartStopViewSelectedChanged;

            wrapper.Add (datePicker = new UIDatePicker {
                TranslatesAutoresizingMaskIntoConstraints = false,
                Hidden = DatePickerHidden,
                Alpha = 0,
            } .Apply (Style.EditTimeEntry.DatePicker));
            datePicker.ValueChanged += OnDatePickerValueChanged;

            wrapper.Add (projectButton = new ProjectClientTaskButton {
                TranslatesAutoresizingMaskIntoConstraints = false,
            });
            projectButton.TouchUpInside += OnProjectButtonTouchUpInside;

            wrapper.Add (descriptionTextField = new TextField {
                TranslatesAutoresizingMaskIntoConstraints = false,
                AttributedPlaceholder = new NSAttributedString (
                    "EditEntryDesciptionTimerHint".Tr (),
                    foregroundColor: Color.Gray
                ),
                ShouldReturn = tf => tf.ResignFirstResponder (),
            } .Apply (Style.EditTimeEntry.DescriptionField));

            descriptionTextField.ShouldBeginEditing += (s) => {
                ForceDimissDatePicker();
                return true;
            };
            descriptionTextField.ShouldEndEditing += s => {
                return true;
            };

            wrapper.Add (tagsButton = new UIButton () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            } .Apply (Style.EditTimeEntry.TagsButton));
            tagsButton.TouchUpInside += OnTagsButtonTouchUpInside;

            wrapper.Add (billableSwitch = new LabelSwitchView () {
                TranslatesAutoresizingMaskIntoConstraints = false,
                Text = "EditEntryBillable".Tr (),
            } .Apply (Style.EditTimeEntry.BillableContainer));
            billableSwitch.Label.Apply (Style.EditTimeEntry.BillableLabel);

            wrapper.Add (deleteButton = new UIButton () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            } .Apply (Style.EditTimeEntry.DeleteButton));
            deleteButton.SetTitle ("EditEntryDelete".Tr (), UIControlState.Normal);
            deleteButton.TouchUpInside += OnDeleteButtonTouchUpInside;

            ResetWrapperConstraints ();
            scrollView.AddConstraints (
                wrapper.AtTopOf (scrollView),
                wrapper.AtBottomOf (scrollView),
                wrapper.AtLeftOf (scrollView),
                wrapper.AtRightOf (scrollView),
                wrapper.WithSameWidth (scrollView),
                wrapper.Height ().GreaterThanOrEqualTo ().HeightOf (scrollView).Minus (64f),
                null
            );

            View = scrollView;
        }

        public override void LoadView ()
        {
            var scrollView = new UIScrollView ().Apply (Style.Screen);

            scrollView.Add (wrapper = new UIView () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            });

            wrapper.Add (startStopView = new StartStopView () {
                TranslatesAutoresizingMaskIntoConstraints = false,
                StartTime = model.StartTime,
                StopTime = model.StopTime,
            }.Apply (BindStartStopView));
            startStopView.SelectedChanged += OnStartStopViewSelectedChanged;

            wrapper.Add (datePicker = new UIDatePicker () {
                TranslatesAutoresizingMaskIntoConstraints = false,
                Hidden = DatePickerHidden,
                Alpha = 0,
            }.Apply (Style.EditTimeEntry.DatePicker).Apply (BindDatePicker));
            datePicker.ValueChanged += OnDatePickerValueChanged;

            wrapper.Add (projectButton = new ProjectClientTaskButton () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            }.Apply (BindProjectButton));
            projectButton.TouchUpInside += OnProjectButtonTouchUpInside;

            wrapper.Add (descriptionTextField = new TextField () {
                TranslatesAutoresizingMaskIntoConstraints = false,
                AttributedPlaceholder = new NSAttributedString (
                    "EditEntryDesciptionTimerHint".Tr (),
                    foregroundColor: Color.Gray
                ),
                ShouldReturn = (tf) => tf.ResignFirstResponder (),
            }.Apply (Style.EditTimeEntry.DescriptionField).Apply (BindDescriptionField));
            descriptionTextField.EditingChanged += OnDescriptionFieldEditingChanged;
            descriptionTextField.EditingDidEnd += (s, e) => CommitDescriptionChanges ();

            wrapper.Add (tagsButton = new UIButton () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            }.Apply (Style.EditTimeEntry.TagsButton).Apply (BindTagsButton));
            tagsButton.TouchUpInside += OnTagsButtonTouchUpInside;

            wrapper.Add (billableSwitch = new LabelSwitchView () {
                TranslatesAutoresizingMaskIntoConstraints = false,
                Text = "EditEntryBillable".Tr (),
            }.Apply (Style.EditTimeEntry.BillableContainer).Apply (BindBillableSwitch));
            billableSwitch.Label.Apply (Style.EditTimeEntry.BillableLabel);
            billableSwitch.Switch.ValueChanged += OnBillableSwitchValueChanged;

            wrapper.Add (deleteButton = new UIButton () {
                TranslatesAutoresizingMaskIntoConstraints = false,
            }.Apply (Style.EditTimeEntry.DeleteButton));
            deleteButton.SetTitle ("EditEntryDelete".Tr (), UIControlState.Normal);
            deleteButton.TouchUpInside += OnDeleteButtonTouchUpInside;

            wrapper.AddConstraints (VerticalLinearLayout (wrapper));
            scrollView.AddConstraints (
                wrapper.AtTopOf (scrollView),
                wrapper.AtBottomOf (scrollView),
                wrapper.AtLeftOf (scrollView),
                wrapper.AtRightOf (scrollView),
                wrapper.WithSameWidth (scrollView),
                wrapper.Height ().GreaterThanOrEqualTo ().HeightOf (scrollView).Minus (64f),
                null
            );

            View = scrollView;
        }

//.........这里部分代码省略.........
            View.Add(title);

#if USEAUTOLAYOUT
            var back = new UIView {BackgroundColor = UIColor.DarkGray.ColorWithAlpha(.6f)};
            var back2 = new UIView { BackgroundColor = UIColor.Clear };
            var inputUrl = new UITextField
            {
                TextColor = UIColor.White, Font = UIFont.SystemFontOfSize(14f),

                AttributedPlaceholder = new NSMutableAttributedString("Enter url of svg file, or tap anywhere for demo",
                    foregroundColor: UIColor.Gray, font: UIFont.ItalicSystemFontOfSize(12)),
                KeyboardType = UIKeyboardType.Url, AutocorrectionType = UITextAutocorrectionType.No,
                AutocapitalizationType = UITextAutocapitalizationType.None,
                //ReturnKeyType = UIReturnKeyType.Go,
                //EnablesReturnKeyAutomatically = true, ShouldReturn = 
            };
            //var inputOk = new UISvgImageView("res:images.download", 25, colorMapping: "000000=FF546D", colorMappingSelected: "000000=00FF59")
            //{
            //    UserInteractionEnabled = true,
            //};
            var inputOk = new UISvgImageView
            {
                UserInteractionEnabled = true,
                TranslatesAutoresizingMaskIntoConstraints = false,
                FillWidth = 25,
                ColorMapping="000000=FF546D",
                ColorMappingSelected="000000=00FF59",
                BundleName = "res:images.download"
            };
            //var inputOk = new UISvgImageView("", 25); //for debug
            View.Add(back);
            View.Add(back2);
            View.SendSubviewToBack(back);
            View.SendSubviewToBack(image); //image behind back
            View.Add(inputUrl);
            View.Add(inputOk);

            inputOk.AddGestureRecognizer(new UITapGestureRecognizer(tap =>
            {
                inputUrl.ResignFirstResponder();
                var dontWait = LoadSvg(inputUrl.Text);
            }));

            inputUrl.EditingDidBegin += (sender, args) =>
            {
                inputUrl.SelectAll(this);
            };

            inputUrl.SetContentHuggingPriority((float)UILayoutPriority.FittingSizeLevel, UILayoutConstraintAxis.Horizontal);
            inputOk.SetContentCompressionResistancePriority((float)UILayoutPriority.Required, UILayoutConstraintAxis.Horizontal);
            View.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints();
            View.AddConstraints(
                back.WithSameTop(inputOk).Minus(5),
                back.AtLeftOf(View),
                back.AtRightOf(View),
                back.WithSameBottom(title).Plus(5),

                back2.Below(back),
                back2.AtLeftOf(View),
                back2.AtRightOf(View),
                back2.AtBottomOf(View),

                inputUrl.AtLeftOf(View, 5),
                inputUrl.WithSameCenterY(inputOk),

                inputOk.AtTopOf(View,30),
                inputOk.AtRightOf(View, 5),
                inputOk.ToRightOf(inputUrl,5),

                title.Below(inputUrl, 20),
                title.AtLeftOf(View, 5),
                title.AtRightOf(View,5),
                //No height for title, use its intrinsic height

                image.AtBottomOf(View),
                image.AtLeftOf(View),
                //Test: Width forced, free height
                image.WithSameWidth(View),
                //Test: Width forced, Height forced to view height
                image.Height().LessThanOrEqualTo().HeightOf(View)
                //Test: Width forced, Height forced (50)
                );
#endif
            image.FillMode = SvgFillMode.Fit;

            //var t = new UIImageView(new CGRect(0, 0, 100, 100));
            //t.Image = LoadLastSvgFromString();
            //View.Add(t);

            //image.UserInteractionEnabled = true;
            back2.AddGestureRecognizer(new UITapGestureRecognizer(() =>
            {
                index = ++index%svgNames.Count;
                image.BundleName = svgNames[index];
                title.Text = $"Displaying {svgNames[index]}";
                title.TextColor = UIColor.White;

            }) { NumberOfTapsRequired = 1 });

        }

        public override void LoadView ()
        {
            base.LoadView ();

            isUserLogged = UserDefaults.BoolForKey (IsUserLoggedKey);
            isAppActive = UserDefaults.BoolForKey (AppActiveEntryKey);
            isAppOnBackground = UserDefaults.BoolForKey (AppBackgroundEntryKey);

            marginTop = (isUserLogged && isAppActive) ? 10f : 1f;
            height = (isUserLogged && isAppActive) ? 250f : 62f; // 4 x 60f(cells),

            var v = new UIView {
                BackgroundColor = UIColor.Clear,
                Frame = new CGRect (0,0, UIScreen.MainScreen.Bounds.Width, height),
            };

            v.Add (tableView = new UITableView {
                TranslatesAutoresizingMaskIntoConstraints = false,
                BackgroundColor = UIColor.Clear,
                TableFooterView = new UIView(),
                ScrollEnabled = false,
                RowHeight = cellHeight,
            });

            v.Add (openAppView = new UIView {
                TranslatesAutoresizingMaskIntoConstraints = false,
                Hidden = true,
            });

            UIView bg;
            openAppView.Add (bg = new UIView {
                TranslatesAutoresizingMaskIntoConstraints = false,
                BackgroundColor = UIColor.Black,
                Alpha = 0.1f,
            });

            UILabel textView;
            openAppView.Add (textView = new UILabel {
                TranslatesAutoresizingMaskIntoConstraints = false,
                Font = UIFont.FromName ("Helvetica", 13f),
                Text = isAppActive ? "NoLoggedUser".Tr() : "NoActiveApp".Tr(),
                TextColor = UIColor.White,
                BackgroundColor = UIColor.Clear,
            });

            openAppView.Add (openAppBtn = new StartStopBtn {
                TranslatesAutoresizingMaskIntoConstraints = false,
                IsActive = true,
            });

            openAppView.AddConstraints (

                bg.AtTopOf (openAppView),
                bg.AtLeftOf (openAppView),
                bg.AtRightOf (openAppView),
                bg.AtBottomOf (openAppView),

                textView.WithSameCenterY (openAppView),
                textView.AtLeftOf (openAppView, 50f),
                textView.WithSameHeight (openAppView),
                textView.AtRightOf (openAppView),

                openAppBtn.Width().EqualTo (35f),
                openAppBtn.Height().EqualTo (35f),
                openAppBtn.AtRightOf (openAppView, 15f),
                openAppBtn.WithSameCenterY (openAppView),

                null
            );

            v.AddConstraints (

                tableView.AtTopOf (v),
                tableView.WithSameWidth (v),
                tableView.Height().EqualTo (height - marginTop).SetPriority (UILayoutPriority.DefaultLow),
                tableView.AtBottomOf (v),

                openAppView.AtTopOf (v),
                openAppView.WithSameWidth (v),
                openAppView.Height().EqualTo (cellHeight),

                null
            );

            View = v;
        }