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2.2.0-pre1

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@jassmith jassmith released this 04 Apr 22:27
· 33 commits to 2.2.0 since this release
beta-2.2.0-pre1
a6964ab

New Features

Updated Google Package Dependencies

Xamarin.Forms on Android now depends on GooglePlayServices 29.0.0.1 for maps and Xamarin.Android.Support.v4 (and friends) at 32.1.1.1.

Margins

Adding margin support is intended to allow users to reduce the overall depth of their layout hierarchies by allowing more complex layouts with fewer wrapping views.
public Thickness Margin { get; set; }

UWP Maps

UWP Maps are now supported, just like other platforms.

CarouselView

CarouselView is intended to fully replace CarouselPage. CarouselPage will be deprecated in a future release. CarouselView is superior in many ways, including its ability to be virtualized and nested within layouts.

Nest platform controls to Forms layout

Allows adding platform-specific controls (iOS, Android, and Windows) directly to a Forms layout. Note: this isn't available from PCL and requires #if defines to work from a shared project.

2D ScrollView Support

scrollView.Orientation = ScrollOrientation.Both

AutomationId Support

Xamarin.Forms now has first class support for setting automation identifiers for usage with Xamarin UITest or other testing frameworks. Simply setting the AutomationID property should allow the automation framework to find and interact with your controls.

Bug Fixes

21177 - Using a UICollectionView in a ViewRenderer results in issues with selection.
21699 - WebView does not propagate its BindingContext to its Source
23393 - [All platforms] PropertyChangedEventHandler causes 2 consecutive calls to changed property's getter
25234 – WP8 - Light theme status bar disappears after DisplayAlert
25662 - Setting IsEnabled does not disable SwitchCell in Forms listview
27350 - Binding throws Null Pointer Exception when Updating Tab
27417 - Button.Image behaviors differently on each platform and has extra padding even with no Text
28628 - Reuse of cell containing an Image that are async loaded will display the previous image.
28709 - Application.Properties saving crash
31670 - On WinRT, BackgroundColor of Button is used to paint outside the border of Buttons with rounded corners
32462 - Crash after a page disappeared if a ScrollView is in the HeaderTemplate property of a ListView
33181 - InitializeComponent() method call in XAML code behind page constructor "does not exist in current context" (IntelliSense error)
33240 - IOS ListViewRenderer.Dispose() should dispose header and footer
34055 - Listview with custom CellView render error on iOS9 landscape iPad
35407 - jobject muste not be IntPtr.Zero with Animation
36479 - [WP] Picker Is Not Disabled When IsEnabled is Set To False
36788 - [Forms] Truncation Issues with Relative Layouts
36850 - ProgressBar BackgroundColor not working in iOS
37113 - MasterDetailPage swipe gesture doesn't work after IsGestureEnabled is toggled
37625 - App crashes when quickly adding/removing Image views (Windows UWP)
37841 - [Forms Android] TableView EntryCell's and TextCell's cease to update after focus change
38112 - [Forms][Android] Switch disappearing from TableView ViewCell on Android only
38193 - OpenGLViewRenderer crashes when leaving the page.
38416 - ListView Sized Incorrectly After Containing Layout's Visibility is Toggled
38658 - Rotation causes app containing carousel page to freeze
38978 - Cell.ForceUpdateSize issues with row selection/deselection on Android
39039 - Toggling Grouping on Listview + ListViewCaching.RecycleElement Sometimes Doesnt Render Group Header
39104 - iOS Navigation.ModalStack not the same as Android and Windows
39239 - Xamarin.Forms.Platform.Android.FontExtensions.ToScaledPixel missing case for NamedSize.Default
39327 - Application.Current.Properties does not persist on Android
39331 - [Android] BoxView Is InputTransparent Even When Set to False
39342 - NullReference Exception when attempting to push a new page
39359 - Image View does cache failed HTTP responses
39377 - ListView.Footer not update iOS
39378 - Image binding with caching not operating as expected
39395 - SwitchCell does not take all available place inside ListView
39403 - [Android] Forms 2.1.0, Switching tabs that have NavigationPages throws: Java.Lang.IllegalStateException: Recursive entry to executePendingTransactions
39409 - SearchBar.SearchCommand does not respect CanExecute
39447 - [Windows Phone 8.1] Images not rendered in ListView unless explicit size set
39449 - UWP: Dependency attribute in 3rd party assemblies
39450 - [Forms] ListView item shrinks / resizes when removing then adding Context Action in ViewCell OnBindindContextChanged.
39451 - Unable to activate instance of type Xamarin.Forms.Platform.Android.ListViewAdapter from native handle
39458 - [UWP/WinRT] Cannot Set CarouselPage.CurrentPage Inside Constructor
39461 - UWP: Labels within a ScrollView are blurred
39463 - [WP8.0] Items not showing in ListView using DataTemplate when there are more items than can fit on screen.
39464 - [UWP Forms] Rounded Button Corners do not render in Forms (but do in native UWP
39476 - [Forms] Selecting item in ListView and scrolling with RecycleElement results in more items selected.
39483 - ListView Context Menu localization
39495 - MasterDetail missing Navigation Bar Windows RT
39506 - Effects.Clear does not detach the effect.
39509 - Setting Page Content doesn't work
39548 - CarouselPage does not work in UWP on Windows 10 Mobile
39566 - System.InvalidOperationException: Sequence contains more than one matching element
39624 - [UWP] CarouselPage.Children Appear Out of Order
39668 - Overriding ListView.CreateDefault Does Not Work on Windows
39702 – Cannot enter text when Entry is focus()'d from an editor completed event
39721 - "Failed to add reference to 'Xamarin.Forms.Core.Design'" when adding XF 2.1.0.6529 NuGet in Windows 81 project
39742 - OnAppearing not triggered if coming back after leaving Android app via home button
39815 - ScrollView is overlapping other content in StackLayout on Android
39829 - RowHeight of ListView is not working for UWP
39831 - MasterDetailPage showing back button instead of Icon in landscape mode (Tablet only)
39853 - BorderRadius ignored on UWP
39870 - Xamarin.Forms.Maps Geocoder GetPositionsForAddressAsync always returns an empty set on Android
39896 - StreamImageSource Streams Aren't Disposed

Other Fixes

  • Resolve crash when serializing properties.
  • [Core] Resolve issue where binding to a bound property would invalidate the second binding
  • [Core] Resolve issue where template bindings resolve the the wrong templated parent in some nesting scenarios
  • [Android] Make sure not to update image bitmap in background thread
  • [Android] Fix potential crash in OnLayout after resume
  • [Android] Fix bug with ActivityIndicator default color on Lollipop+
  • [Android] Fix NRE in OnScroll method in android
  • [Android] Fix crash when pressing back to exit the app
  • [Android] Change Forms class to accept Context type arguments and upcast to Activity as necessary.
  • [iOS] Fix crash when visiting website with weird URL handling
  • [iOS] Fix crash in VisualElementPackager if re-used on same element
  • [RT] Make sure editor has wrapping enabled
  • [RT] Add missing binding for SearchBox text
  • [UWP] Invalidate Image when loaded in a way which Grid won't ignore
  • [UWP] Make sure Scrollview measures child inside of measure call
  • [UWP] Make sure we dont construct a negative value size
  • [UWP] Fix UWP bug where app bar icon color is ignored on modal NavigationPages
  • [UWP] Fix more instances of Layout Cycle detected
  • Many other minor bug fixes

Known Issues

  • CarouselView can sometimes fail to display content on Android
  • CarouselView programmatic moving of index broken

Important notes

Assets 4