Telerik UI for Xamarin R2 2018

Adds new Border and CheckBox controls, plus improvements to DataGrid.

Features

• UI for Xamarin
  • Border - customizable control that wraps around any Xamarin view.
  • CheckBox - control which enables users to make a choice between two mutually exclusive options. The user’s selection is indicated by a check mark, and when a user clicks the checkbox its appearance and state change.
• DataGrid
  • [UWP] Implemented ViewportBufferHeight property that controls the size which the virtual viewport is expanded with.
  • [Android] [UWP] Improved memory consumption by implementing horizontal virtualization of the render surface.

Fixes

• Common
  • SkiaSharp based controls render stroke thickness in device pixels instead of device independent pixels.
• Calendar
  • [iOS] Not able to swipe to the month with the MaxDate.
  • [iOS] DayView not selecting the correct day in specific time zones.
  • [iOS] Not able to navigate to the month that contains the MaxDate.
  • [UWP] Calendar crashes with NullReferenceException when used inside MasterDetailPage.
• Chart
  • [iOS] The strip lines are visible by default for Line series.
  • Adding behaviors through XAML results in System.ArrayTypeMismatchException in Xamarin.Forms 3.0 project.
  • [iOS] Zooming when updating the ItemsSource of the series results in NSRangeException.
  • [Android] Trying to invoke Trackball Behavior on Chart that has no series results in NullReferenceException.
  • Changed - Obsoleted RadChartBase.Behaviors property, please use RadChartBase.ChartBehaviors property instead.
• Chat
  • Avatar image not aligned at the top of the message.
• CheckBox
  • When the SuppressDefaultCommand property is set to True, it breaks the UserCommand.
• DataForm
  • [iOS]Changing the source at runtime leads to NSInvalidArgumentException.
• DataGrid
  • An exception is thrown when changing the value of a property used for grouping.
  • [iOS] NullReferenceException is thrown when items are added to the DataGrid in a specific scenario with TabbedPage.
  • [iOS] Buttons inside a CellContentTemplate cannot be clicked.
  • The control is not rendered when its items and columns are generated asynchronously.
  • [iOS] CellDecorations are rendered incorrectly while scrolling horizontally.
  • [iOS][Android] Edit mode is not exited when "Return" of the soft keyboard is pressed.
  • [UWP] The grid is not shown after navigating away and returning back.
• DataForm
  • [iOS] Exception is thrown when the editor Position property is greater than the editors count in the group.
  • [Android] If "positive message" is not provided "error message" is shown when the editor is in valid state.
• Entry
  • [UWP] An exception is thrown when RadEntry placed inside TabView is focused and the user switches to another tab.
• ListView
  • Two SelectionChange events are raised when selecting item.
  • [iOS] Exception is thrown when using custom ViewCell and ItemTemplateSelector.
  • [iOS] Exception when rebining ItemsSource after navigation.
  • [Android] Exception is thrown when loading items via LoadOnDemand in Grid layout.
  • [iOS] Pull to refresh never stops after calling EndRefresh.
• MaskedInput
  • [Android] Exception when pasting into a mask.
• NumericInput
  • [Android] Improve behavior when decimal separator and minus sign are entered from the same key.
• SDK Browser
  • [Android] Crash when run in Debug (Linker = None).
• SegmentedControl
  • Not able to clear the selection.
  • [Android] The background color of the Selected segment is not updated when the segments are disabled.
  • [Android] Changing the selected index when segments are disabled leaves the previously selected item with incorrect color.
• SlideView
  • KeyNotFoundException when sliding fast in different directions.
  • [iOS] Zoomed Item oversteps to other views.
  • ItemTemplateSelector not working correctly.
• TabView
  • TabViewHeaderItem does not respect WidthRequest and HeightRequest.
• TreeView
  • Deleting all child items leaves the node's expand/collapse indicator visiblle.
  • Expand Icon is shown on a leaf if its parent is collapsed and expanded again.
  • [Android] NullReferenceException is thrown when expanding and collapsing items fast.
  • Adding root level item throws NRE.
  • Adding child item in a copy of ItemsSource leads to exception.
  • Exception when collapsing and expanding second level items.
  • Cannot change item property programmatically.
  • Custom ItemStyles are not respected.
  • Expand/Collapse indicators are missing.