Released: Jun 3, 2019

R2 2019 (2019.2.603.360) 中的更新

特性

• Calendar
  • Introduced helper class to serialize/deserialize recurrence patterns to iCalendar format.
• ListView
  • TabView: Introduced a new property IsContentPreserved to control whether to preserve tab content when switching between tabs.
• PDF Viewer
  • Improved scrolling performance.

修补程序

• Common
  • Crash when upgrading to Xamarin.Forms 4.0.
• AutoCompleteView
  • Unfocused event is not raised.
• Calendar
  • [Android] SelectionChanged is triggered twice when changing the appointments collection at runtime.
  • [iOS] Day View Events View permanently shifts when changing view mode while swiping left/right.
  • Changed SelectionChanged event args to be of type CalendarSelectionChangedEventArgs that includes AddedItems and RemovedItems properties.
• CheckBox
  • IsChecked property is not updated when default binding mode is used.
• DataGrid
  • [iOS] A NullReferenceException is thrown when trying to load the telerik font.
• ListView
  • [iOS] Entry in ListViewTemplateCell is overlapped by keyboard.
  • [Android] TextCell is not centered vertically.
  • [Android] NullReferenceException is thrown on item property change when ItemStyleSelector is applied.
  • Binding is lost when ItemTemplateSelector is used and templates are switched dynamically.
  • [Android] Items are not loaded after second LoadOnDemandItemTemplate is tapped.
• NumericInput
  • [Android] Value is not applied correctly when StringFormat property is used.
• Popup
  • [iOS] The popup is misplaced when a picker items are displayed.
• TreeView
  • [iOS] Unexpected behavior when ItemsSource is cleared or updated at runtime.
  • Calling ScrollItemIntoView() leads to exception.