Released: Jan 16, 2019

R1 2019 中的更新

特性

• What's New
  • Introduced a PdfViewer control. Enables you to easily load and display PDF documents right within your app.
  • Introduced a Popup control. It lets you display content of your choice on top of an existing view.
  • Introduced a DockLayout component. Allows you to dock elements to the left, right, top or bottom edge or to occupy the center area of the layout.
  • Improved localization and globalization support.
  • Calendar: Added built-in UI for Adding/Editing Appointments.
  • Calendar: Added support for repeating appointments with rich recurrences API.
• Common
  • Upgraded to Xamarin Forms 3.4.
  • Support for Visual Studio 2019.
• DataForm
  • Added DisplayOptions Localization.
• ListView
  • Exposed API for allowing reordering in grouped scenario.
  • Added header and footer.

修補程式

• AutoCompleteView
  • [Android] Keyboard doesn't disappear when Return/Done key is pressed.
• Button
  • [Android] Padding is not respected when Image property is applied.
• Conversational UI
  • [Android] Messages are not stretched when the control is initially visualized.
• DataGrid
  • ArgumentException is thrown when localization is applied to the logical operator in Filtering UI.
• ListView
  • [iOS] Reordering items with scrolling does not raise ReorderEnded event.
  • [iOS] Flickering when scrolling ListView with images.
• TreeView
  • NullReferenceException when calling CheckItem() in NativeControlLoaded.
  • Item is not removed from CheckedItems collection when removed from ItemsSource.
  • Changed - Type of CheckedItems is INotifyCollectionChange.