Telerik UI for Xamarin R2 2020

Adds new DatePicker, TimePicker and TimeSpanPicker components.

Features

• What's New
  • Introduced DatePicker component which allows the users to select a date.
  • Introduced TimePicker component which allows the users to select time.
  • Introduced TimeSpanPicker component which allows the users to select a time duration.
  • Introduced Experimental Blazor Mobile Bindings for Xamarin which enable developers to create native mobile apps for Apple iOS and Andoid using .Net, C# and Razor.
  • DateTimePicker, ListPicker and TemplatedPicker are now official.
• Calendar
  • Added optional Button element to allow opening the "Scheduling UI" dialog in the different view modes.
  • Added sticky headers in Agenda ViewMode.
  • Added commands and methods to show the "Scheduling UI" dialogs.
• DataGrid
  • Implemented cell-content template for all columns.
  • Implemented cell-edit template for all columns.
  • Added FilterControlTemplate property in DataGridColumn to allow using custom filtering UI.
• DateTimePicker
  • Provided a way to customize the headers of the separate spinners.
  • Allow specifying a step for the time spinners.
  • Added settable properties IsHeaderVisible and IsFooterVisible which control the visibility of the popup header and footer.
  • Looping of items is stopped automatically when reaching the limits imposed by MinimumDate and MaximumDate.
  • Added theming support for the Telerik Blue theme.
  • Changed in DateTimePicker:
    • StartDate property is renamed to MinimumDate.
    • EndDate property is renamed to MaximumDate.
    • SelectedDate property is renamed to Date.
    • DefaultDisplayDate property is renamed to DefaultHighlightedDate.
    • SpinnerFormatString property is renamed to SpinnerFormat.
    • DateTimePicker_AmPmSpinnerHeaderString localization key is renamed to Picker_AmPmSpinnerHeaderLabelText.
    • DateTimePicker_DaySpinnerHeaderString localization key is renamed to Picker_DaySpinnerHeaderLabelText.
    • DateTimePicker_HourSpinnerHeaderString localization key is renamed to Picker_HourSpinnerHeaderLabelText.
    • DateTimePicker_MinuteSpinnerHeaderString localization key is renamed to Picker_MinuteSpinnerHeaderLabelText.
    • DateTimePicker_MonthSpinnerHeaderString localization key is renamed to Picker_MonthSpinnerHeaderLabelText.
    • DateTimePicker_SecondSpinnerHeaderString localization key is renamed to Picker_SecondSpinnerHeaderLabelText.
    • DateTimePicker_YearSpinnerHeaderString localization key is renamed to Picker_YearSpinnerHeaderLabelText.
    • Pickers_Popup_AcceptButtonText localization key is renamed to Picker_Popup_AcceptButtonText.
    • Pickers_Popup_RejectButtonText localization key is renamed to Picker_Popup_CancelButtonText.
    • Placeholder default value is changed to "Select Date and Time".
    • HeaderLabelText default value is changed to "Select Date and Time".
    • DisplayStringFormat when not set explicitly its default value is taken from SpinnerFormat.
• ListPicker
  • Added settable properties IsHeaderVisible and IsFooterVisible which control the visibility of the popup header and footer.
  • Added theming support for the Telerik Blue theme.
  • Changed in ListPicker:
    • Pickers_Popup_AcceptButtonText localization key is renamed to Picker_Popup_AcceptButtonText.
    • Pickers_Popup_RejectButtonText localization key is renamed to Picker_Popup_CancelButtonText.
    • Placeholder default value is changed to "Select Value".
    • HeaderLabelText default value is changed to "Select Value".
• PdfProcessing
  • Provided API for clearing the registered fonts in the FontsRepository.
  • Support for WMF/EMF images when exporting documents to PDF.
  • Added support for exporting GIF images.
  • Added support for exporting images with ImageQuality different from High.
  • Added support for exporting PNG images.
  • Implemented rename functionality for interactive form fields.
  • Provided an Exception handling mechanism when importing and loading documents content.
• PdfViewer
  • Exposed SourcePasswordNeeded event.
• TemplatedPicker
  • Added settable properties IsHeaderVisible and IsFooterVisible which control the visibility of the popup header and footer.
  • Added theming support for the Telerik Blue theme.
  • Changed in TemplatedPicker
    • Pickers_Popup_AcceptButtonText localization key is renamed to Picker_Popup_AcceptButtonText.
    • Pickers_Popup_RejectButtonText localization key is renamed to Picker_Popup_CancelButtonText.
    • Placeholder default value is changed to "Select Item".
    • HeaderLabelText default value is changed to "Select Item".
• WordsProcessing
  • Added support for exporting Line breaks to plain text format.
• Xamarin for iOS
  • TKDataSource is renamed to TLKDataSource in order to resolve a conflict with the TKDataSource class part of the CryptoTokenKit introduced with iOS 13.4.

Fixes

• Calendar
  • [UWP] Cannot delete events through the SchedulingUIs.
  • Not possible to disable default "Scheduling UI" screens through the Calendar commands.
  • TimelineInterval value affects the EndTime of the DayView.
• Chart
  • [Android] [UWP] ClearSelection method of the ChartSelectionBehavior does not clear the ChartSelectionBehavior SelectedSeries and SelectedPoints collections.
  • [iOS] ClearSelection method of the ChartSelectionBehavior does not clear the visual selection and the ChartSelectionBehavior SelectedSeries and SelectedPoints collections.
  • [Android] Chart is not displayed when its size is fixed and positioned inside a horizontal ScrollView.
  • [Android] The CartesianGridLineAnnotation is not showing correctly (it is slightly skewed).
• Chat
  • [iOS] MonoTouchException is thrown when Chat items are added to its ItemsSource collection and the Chat is not visible.
  • [iOS][UWP] First and middle templates are not applied.
• Common
  • Platform specific projects reference wrong dlls for item templates.
• DateTimePicker
  • [UWP] Size of the Popup changes while selecting different month.
  • Selection is not cleared after closing the popup with Cancel button.
  • The first visible date cannot be selected if DefaultDate is set.
  • The first visible date cannot be selected after clearing the selection.
  • [UWP] OK and Cancel button mouse-over shadow overlaps the footer border lines.
  • Localization strings are not respected.
  • Selection highlight background is not rendered correctly behind the items.
  • Popup button text can go on two rows on low resolutions.
• ListPicker
  • [UWP] OK and Cancel button mouse-over shadow overlaps the footer border lines.
  • Localization strings are not respected.
  • Selection highlight background is not rendered correctly behind the items.
• ListView
  • [Android] LoadOnDemandItemTemplate is left aligned.
  • [Android] Tap and hold on item does not show pressed item style.
  • Inconsistency in the behavior of LoadOnDemand Collection on Android and iOS when automatic mode is used.
  • [iOS] FooterTemplate is not displayed correctly with dynamic item sizing.
  • Item gets selected upon tap while another item is swiped.
  • [iOS] When Automatic LoadOnDemand is used, loading icon is displayed even after all the items are loaded.
  • Loading indicator is not shown when using LoadOnDemand event.
  • LoadOnDemand event fires multiple times with automatic load on demand.
  • [iOS][Android] LoadOnDemand not triggered when the ItemsSource is empty.
• NumericInput
  • Buttons are disabled when Minimum is more than 0 and theme is applied.
• PdfProcessing
  • ArgumentException is thrown while importing choice field with an empty string for a value.
  • Incorrectly applied glyph widths after importing and exporting a document.
  • Whitespaces are ignored when exporting text with char spacing using TextFormatProvider.
  • Form Fields are not copied when merging documents.
  • Importing DecodeParms containing null or stream object results in missing image.
  • Inserting large image file with non-default ImageQuality setting causes OutOfMemoryException.
  • ImageQuality property is not retrieved properly from the format provider.
• SpreadProcessing
  • The Lookup function does not work with text values.
  • ArgumentOutOfRangeException is thrown when a document containing Image whose size is not set and cannot be obtained is exported to PDF.
• TemplatedPicker
  • [UWP] OK and Cancel button mouse-over shadow overlaps the footer border lines.
  • Localization strings are not respected.
  • Selection highlight background is not rendered correctly behind the items.
• TreeView
  • Items are not rendered properly when TreeView is inside StackLayout and is with load-on-demand enabled.
  • Exception is thrown when ItemsSource is changed.
• WordsProcessing
  • Exception when using multiple instances of RtfFormatProvider.
  • NullReferenceException is thrown while importing HTML document containing a link element that has style attribute.
  • HtmlFormatProvider: JavaScript code is considered as text and inserted into the document.
  • NotSupportedException is thrown when exporting documents with WMF/EMF image to PDF.
  • ArgumentOutOfRangeException is thrown when a document containing Image whose size is not set and cannot be obtained is exported to PDF.