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

            StartLabel.Text = Resources.Start;
            EndLabel.Text   = Resources.End;
            TitleLabel.Text = Resources.StartAndStopTime;
            SetEndButton.SetTitle(Resources.Stop, UIControlState.Normal);
            SaveButton.SetTitle(Resources.Save, UIControlState.Normal);

            prepareViews();

            // Actions
            SaveButton.Rx()
            .BindAction(ViewModel.Save)
            .DisposedBy(disposeBag);

            CloseButton.Rx()
            .BindAction(ViewModel.Close)
            .DisposedBy(disposeBag);

            // Start and stop date/time
            ViewModel.StartTimeString
            .Subscribe(StartTimeLabel.Rx().Text())
            .DisposedBy(disposeBag);

            ViewModel.StartDateString
            .Subscribe(StartDateLabel.Rx().Text())
            .DisposedBy(disposeBag);

            ViewModel.StopTimeString
            .Subscribe(EndTimeLabel.Rx().Text())
            .DisposedBy(disposeBag);

            ViewModel.StopDateString
            .Subscribe(EndDateLabel.Rx().Text())
            .DisposedBy(disposeBag);

            // Editing start and end time
            StartView.Rx()
            .BindAction(ViewModel.EditStartTime)
            .DisposedBy(disposeBag);

            EndView.Rx()
            .BindAction(ViewModel.EditStopTime)
            .DisposedBy(disposeBag);

            SetEndButton.Rx()
            .BindAction(ViewModel.EditStopTime)
            .DisposedBy(disposeBag);

            // Visibility
            ViewModel.IsRunning
            .Subscribe(running =>
            {
                SetEndButton.Hidden = !running;
                EndTimeLabel.Hidden = running;
                EndDateLabel.Hidden = running;
            })
            .DisposedBy(disposeBag);

            // Stard and end colors
            ViewModel.IsEditingStartTime
            .Select(editingStartTime => editingStartTime
                    ? Color.EditDuration.EditedTime.ToNativeColor()
                    : Color.EditDuration.NotEditedTime.ToNativeColor()
                    )
            .Subscribe(color =>
            {
                StartTimeLabel.TextColor = color;
                StartDateLabel.TextColor = color;
            })
            .DisposedBy(disposeBag);

            ViewModel.IsEditingStopTime
            .Select(editingStartTime => editingStartTime
                    ? Color.EditDuration.EditedTime.ToNativeColor()
                    : Color.EditDuration.NotEditedTime.ToNativeColor()
                    )
            .Subscribe(color =>
            {
                EndTimeLabel.TextColor = color;
                EndDateLabel.TextColor = color;
            })
            .DisposedBy(disposeBag);

            // Date picker
            ViewModel.IsEditingTime
            .Subscribe(DatePickerContainer.Rx().AnimatedIsVisible())
            .DisposedBy(disposeBag);

            DatePicker.Rx().Date()
            .Subscribe(ViewModel.ChangeActiveTime.Inputs)
            .DisposedBy(disposeBag);

            var startTime = ViewModel.IsEditingStartTime
                            .Where(CommonFunctions.Identity)
                            .SelectMany(_ => ViewModel.StartTime);

            var stopTime = ViewModel.IsEditingStopTime
                           .Where(CommonFunctions.Identity)
                           .SelectMany(_ => ViewModel.StopTime);

            Observable.Merge(startTime, stopTime)
            .Subscribe(v => DatePicker.SetDate(v.ToNSDate(), false))
            .DisposedBy(disposeBag);

            ViewModel.IsEditingStartTime
            .Where(CommonFunctions.Identity)
            .SelectMany(_ => ViewModel.StartTime)
            .Subscribe(v => DatePicker.SetDate(v.ToNSDate(), false))
            .DisposedBy(disposeBag);

            ViewModel.MinimumDateTime
            .Subscribe(v => DatePicker.MinimumDate = v.ToNSDate())
            .DisposedBy(disposeBag);

            ViewModel.MaximumDateTime
            .Subscribe(v => DatePicker.MaximumDate = v.ToNSDate())
            .DisposedBy(disposeBag);

            ViewModel.TimeFormat
            .Subscribe(v => DatePicker.Locale = v.IsTwentyFourHoursFormat ? new NSLocale("en_GB") : new NSLocale("en_US"))
            .DisposedBy(disposeBag);

            // DurationInput

            ViewModel.IsEditingTime
            .Invert()
            .Subscribe(DurationInput.Rx().Enabled())
            .DisposedBy(disposeBag);

            ViewModel.Duration
            .Subscribe(v => DurationInput.Duration = v)
            .DisposedBy(disposeBag);

            ViewModel.DurationString
            .Subscribe(v => DurationInput.FormattedDuration = v)
            .DisposedBy(disposeBag);

            DurationInput.Rx().Duration()
            .Subscribe(ViewModel.ChangeDuration.Inputs)
            .DisposedBy(disposeBag);

            // The wheel

            ViewModel.IsEditingTime
            .Invert()
            .Subscribe(v => WheelView.UserInteractionEnabled = v)
            .DisposedBy(disposeBag);

            ViewModel.MinimumStartTime
            .Subscribe(v => WheelView.MinimumStartTime = v)
            .DisposedBy(disposeBag);

            ViewModel.MaximumStartTime
            .Subscribe(v => WheelView.MaximumStartTime = v)
            .DisposedBy(disposeBag);

            ViewModel.MinimumStopTime
            .Subscribe(v => WheelView.MinimumEndTime = v)
            .DisposedBy(disposeBag);

            ViewModel.MaximumStopTime
            .Subscribe(v => WheelView.MaximumEndTime = v)
            .DisposedBy(disposeBag);

            ViewModel.StartTime
            .Subscribe(v => WheelView.StartTime = v)
            .DisposedBy(disposeBag);

            ViewModel.StopTime
            .Subscribe(v => WheelView.EndTime = v)
            .DisposedBy(disposeBag);

            ViewModel.IsRunning
            .Subscribe(v => WheelView.IsRunning = v)
            .DisposedBy(disposeBag);

            WheelView.Rx().StartTime()
            .Subscribe(ViewModel.ChangeStartTime.Inputs)
            .DisposedBy(disposeBag);

            WheelView.Rx().EndTime()
            .Subscribe(ViewModel.ChangeStopTime.Inputs)
            .DisposedBy(disposeBag);

            // Interaction observables for analytics

            var editingStart = Observable.Merge(
                StartView.Rx().Tap().SelectValue(true),
                EndView.Rx().Tap().SelectValue(false)
                );

            var dateComponentChanged = DatePicker.Rx().DateComponent()
                                       .WithLatestFrom(editingStart,
                                                       (_, isStart) => isStart ? EditTimeSource.BarrelStartDate : EditTimeSource.BarrelStopDate
                                                       );

            var timeComponentChanged = DatePicker.Rx().TimeComponent()
                                       .WithLatestFrom(editingStart,
                                                       (_, isStart) => isStart ? EditTimeSource.BarrelStartTime : EditTimeSource.BarrelStopTime
                                                       );

            var durationInputChanged = DurationInput.Rx().Duration()
                                       .SelectValue(EditTimeSource.NumpadDuration);

            Observable.Merge(
                dateComponentChanged,
                timeComponentChanged,
                WheelView.TimeEdited,
                durationInputChanged
                )
            .Distinct()
            .Subscribe(ViewModel.TimeEditedWithSource)
            .DisposedBy(disposeBag);
        }
        public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            projectTaskClientToAttributedString = new ProjectTaskClientToAttributedString(
                ProjectTaskClientLabel.Font.CapHeight,
                Colors.EditTimeEntry.ClientText.ToNativeColor());

            tagsListToAttributedString = new TagsListToAttributedString(TagsTextView);

            localizeLabels();
            prepareViews();
            prepareOnboarding();

            contentSizeChangedDisposable = ScrollViewContent.AddObserver(boundsKey, NSKeyValueObservingOptions.New, onContentSizeChanged);

            DescriptionTextView.Text = ViewModel.Description.Value;

            ViewModel.Preferences
            .Select(preferences => preferences.DurationFormat)
            .Select(format => ViewModel.GroupDuration.ToFormattedString(format))
            .Subscribe(GroupDuration.Rx().Text())
            .DisposedBy(DisposeBag);

            CloseButton.Rx().Tap()
            .Subscribe(ViewModel.CloseWithDefaultResult)
            .DisposedBy(DisposeBag);

            ConfirmButton.Rx()
            .BindAction(ViewModel.Save)
            .DisposedBy(DisposeBag);

            DescriptionTextView.TextObservable
            .Subscribe(ViewModel.Description.Accept)
            .DisposedBy(DisposeBag);

            DescriptionTextView.SizeChangedObservable
            .Subscribe(adjustHeight)
            .DisposedBy(DisposeBag);

            ViewModel.SyncErrorMessage
            .Subscribe(ErrorMessageLabel.Rx().Text())
            .DisposedBy(DisposeBag);

            ViewModel.IsSyncErrorMessageVisible
            .Subscribe(ErrorView.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            ErrorView.Rx().Tap()
            .Subscribe(ViewModel.DismissSyncErrorMessage.Inputs)
            .DisposedBy(DisposeBag);

            ViewModel.ProjectClientTask
            .Select(info => projectTaskClientToAttributedString.Convert(
                        info.Project,
                        info.Task,
                        info.Client,
                        new Color(info.ProjectColor).ToNativeColor()))
            .Subscribe(ProjectTaskClientLabel.Rx().AttributedText())
            .DisposedBy(DisposeBag);

            ViewModel.ProjectClientTask
            .Select(info => info.HasProject)
            .Subscribe(ProjectTaskClientLabel.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            ViewModel.ProjectClientTask
            .Select(info => !info.HasProject)
            .Subscribe(AddProjectAndTaskView.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            SelectProject.Rx()
            .BindAction(ViewModel.SelectProject)
            .DisposedBy(DisposeBag);

            TagsTextView.Rx()
            .BindAction(ViewModel.SelectTags)
            .DisposedBy(DisposeBag);

            AddTagsView.Rx()
            .BindAction(ViewModel.SelectTags)
            .DisposedBy(DisposeBag);

            var containsTags = ViewModel.Tags
                               .Select(tags => tags.Any());

            containsTags
            .Invert()
            .Subscribe(AddTagsView.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            containsTags
            .Subscribe(TagsTextView.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            ViewModel.IsBillable
            .Subscribe(BillableSwitch.Rx().CheckedObserver())
            .DisposedBy(DisposeBag);

            BillableSwitch.Rx().Changed()
            .Subscribe(ViewModel.ToggleBillable.Inputs)
            .DisposedBy(DisposeBag);

            ViewModel.IsBillableAvailable
            .Subscribe(BillableView.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            ViewModel.IsInaccessible
            .Subscribe(adjustUIForInaccessibleTimeEntry)
            .DisposedBy(DisposeBag);

            ViewModel.StartTime
            .WithLatestFrom(ViewModel.Preferences,
                            (startTime, preferences) => DateTimeToFormattedString.Convert(
                                startTime,
                                preferences.TimeOfDayFormat.Format))
            .Subscribe(StartTimeLabel.Rx().Text())
            .DisposedBy(DisposeBag);

            ViewModel.StartTime
            .WithLatestFrom(ViewModel.Preferences,
                            (startTime, preferences) => DateTimeToFormattedString.Convert(
                                startTime,
                                preferences.DateFormat.Short))
            .Subscribe(StartDateLabel.Rx().Text())
            .DisposedBy(DisposeBag);

            StartTimeView.Rx().Tap()
            .SelectValue(EditViewTapSource.StartTime)
            .Subscribe(ViewModel.EditTimes.Inputs)
            .DisposedBy(DisposeBag);

            StartDateView.Rx().Tap()
            .Subscribe(ViewModel.SelectStartDate.Inputs)
            .DisposedBy(DisposeBag);

            ViewModel.IsTimeEntryRunning
            .Subscribe(StopButton.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            ViewModel.IsTimeEntryRunning
            .Select(CommonFunctions.Invert)
            .Subscribe(EndTimeLabel.Rx().IsVisible())
            .DisposedBy(DisposeBag);

            ViewModel.StopTime
            .Where(stopTime => stopTime.HasValue)
            .Select(stopTime => stopTime.Value)
            .WithLatestFrom(ViewModel.Preferences,
                            (stopTime, preferences) => DateTimeToFormattedString.Convert(
                                stopTime,
                                preferences.TimeOfDayFormat.Format))
            .Subscribe(EndTimeLabel.Rx().Text())
            .DisposedBy(DisposeBag);

            EndTimeView.Rx().Tap()
            .SelectLatestFrom(ViewModel.IsTimeEntryRunning)
            .Invert()
            .Where(CommonFunctions.Identity)
            .SelectValue(EditViewTapSource.StopTime)
            .Subscribe(ViewModel.EditTimes.Inputs)
            .DisposedBy(DisposeBag);

            EndTimeView.Rx().Tap()
            .Merge(StopButton.Rx().Tap())
            .SelectLatestFrom(ViewModel.IsTimeEntryRunning)
            .Where(CommonFunctions.Identity)
            .SelectUnit()
            .Subscribe(ViewModel.StopTimeEntry.Inputs)
            .DisposedBy(DisposeBag);

            ViewModel.Duration
            .WithLatestFrom(ViewModel.Preferences,
                            (duration, preferences) => duration.ToFormattedString(preferences.DurationFormat))
            .Subscribe(DurationLabel.Rx().Text())
            .DisposedBy(DisposeBag);

            DurationView.Rx().Tap()
            .SelectValue(EditViewTapSource.Duration)
            .Subscribe(ViewModel.EditTimes.Inputs)
            .DisposedBy(DisposeBag);

            DeleteButton.Rx()
            .BindAction(ViewModel.Delete)
            .DisposedBy(DisposeBag);
        }