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This is a prerelease version of Xamarin.Forms.

Xamarin.Forms

2.3.3.152-pre2

Build native UIs for iOS, Android, and Windows Phone from a single, shared C# codebase

To install Xamarin.Forms, run the following command in the Package Manager Console

Install-Package Xamarin.Forms -Version 2.3.3.152-pre2 -Pre

Release Notes

### Important notes

* Xamarin.Forms 2.3.3 depends on a Xamarin installation of Cycle 8. Users upgrading from Xamarin.Forms 2.3.2 (or earlier) will experience numerous compile errors if they attempt to build without first upgrading their Xamarin installation.
* When upgrading Xamarin.Forms take care not to simply "update all" as that will update the Xamarin.Android.Support packages to an incompatible version. More info [here](https://developer.xamarin.com/guides/xamarin-forms/troubleshooting/).
* In 2.3.3 we are deprecating Classic support (More info [here](https://developer.xamarin.com/guides/cross-platform/macios/unified/)).


# 2.3.3-pre2

Nuget package [here]().

## New Features

#### Support native view declaration in Xaml

The following Xaml is valid, and works as expected:

```
<?xml version="1.0" encoding="UTF-8"?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:ios="clr-namespace:UIKit;assembly=Xamarin.iOS;targetPlatform=iOS"
xmlns:android="clr-namespace:Android.Views;assembly=Mono.Android;targetPlatform=Android"
x:Class="Xamarin.Forms.Controls.XamlNativeViews">
<ContentPage.Content>
<ios:UILabel Text="I'm Native" />
<android:TextView  Text="I'm Native too" />
</ContentPage.Content>
</ContentPage>
```

- native views are automagically wrapped into the appropriate wrapper
- xmlns  defined on a non-matching targetPlatform (see TargetPlatform enumeration) are ignored


#### NativeBindings
Allow binding to Native (non-BP) Views.

Each platform now expose `SetBinding(string propertyName, BindingBase binding)` as an extension method on the respective native views (`UIView`, `Android.View`, `FrameworkElement`).

To get 2-Way Bindings to work, `SetBinding` can take an additional `updateSourceEventName` argument. On iOS, if the Property of the `UIView` is Observable, the `updateSourceEventName` is not mandatory. On [U]WP, something similar is done in order to try to get 2-Way bindings to behave even without the updateSourceEventName.

In addition to this, the platforms also expose `SetValue(BindableProperty property, ...)` and `SetBinding(BindableProperty property, ...)`. Those will have no effect unless the view happen to be directly wrapped in a Xamarin.Forms Layout. In that case, those (attached) BindableProperties will be transferred to the wrapper, allowing this kind of code to be valid.

```
var btn = new UIKit.Button();
btn.SetValue(Grid.RowProperty, 2);

var grid = new Xamarin.Forms.Grid ();
grid.Children.Add(btn.ToView());
```

#### Platform Specifics
*Introducing Platform Specifics!* Features or behaviors that apply to one platform only can now be implemented without requiring custom renderers. These new features/behaviors can then be accessed easily via a fluent code API or XAML.

Vendors can easily add their own Platform Specifics by attaching Effects to them (see [63a924d](https://github.com/xamarin/Xamarin.Forms/commit/63a924d) and [1f9482e](https://github.com/xamarin/Xamarin.Forms/commit/1f9482e4b5969f19fcde5c691443fcccc848c54e) for complete example).

This feature implements the framework that enables the new API and also includes several examples of platform specific features, which can be previewed using the Platform Specifics gallery page:

* Blur support for any VisualElement on iOS
* Translucent navigation bar on iOS
* Partially collapsed navigation bar (with icons!) on MasterDetailPage on Windows
* Toolbar placement options on Windows
* AdjustResize/AdjustPan on Android (known issue: AdjustResize disables status bar color)

## Bug Fixes
* [32733](https://bugzilla.xamarin.com/show_bug.cgi?id=32733) - "32733 – Switching Activity crash in 1.4.4.6392" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/286))
* [35132](https://bugzilla.xamarin.com/show_bug.cgi?id=35132) - "35132 – Pages are not collected when using a Navigationpage"
* [39768](https://bugzilla.xamarin.com/show_bug.cgi?id=39768) - "PanGestureRecognizer sometimes won't fire completed event when dragging very slowly" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/313))
* [39908](https://bugzilla.xamarin.com/show_bug.cgi?id=39908) - "Back button hit quickly results in jumbled pages" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/291))
* [41463](https://bugzilla.xamarin.com/show_bug.cgi?id=41463) - "CarouselView Crashes with "Sequence Does not Contain a Matching Element""
* [42061](https://bugzilla.xamarin.com/show_bug.cgi?id=42061) - "App crashes when registering an app link entry with invalid thumbnail url" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/299))
* [42112](https://bugzilla.xamarin.com/show_bug.cgi?id=42112) - "42112 - CarouselView throws error on Android while moving"
* [42341](https://bugzilla.xamarin.com/show_bug.cgi?id=42341) - "Page not removed from NavigationStack when hit Back quickly on iOS" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/291))
* [42519](https://bugzilla.xamarin.com/show_bug.cgi?id=42519) - "Text Truncation in UWP"
* [42697](https://bugzilla.xamarin.com/show_bug.cgi?id=42697) - "Slow swipe - System.InvalidOperationException: Sequence contains more than one element [CarouselView]"
* [43230](https://bugzilla.xamarin.com/show_bug.cgi?id=43230) - "DisplayAlert returns unexpected value when Escape key hit on UWP" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/292))
* [43328](https://bugzilla.xamarin.com/show_bug.cgi?id=43328) - "DisplayActionSheet() double-tap NullReferenceException crash Win8.1" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/305))
* [43354](https://bugzilla.xamarin.com/show_bug.cgi?id=43354) - "Button IsEnabled binding is position dependent" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/308))
* [43450](https://bugzilla.xamarin.com/show_bug.cgi?id=43450) - "Faulty syntax of Grid.RowDefinition wasn't caught with XamlC"
* [43516](https://bugzilla.xamarin.com/show_bug.cgi?id=43516) - "[UWP] Changing FontAttribute on a label to NONE changes font size as well" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/325))
* [43530](https://bugzilla.xamarin.com/show_bug.cgi?id=43530) - "[Android] Resuming app throws IllegalStateException from fragment manager"
* [43726](https://bugzilla.xamarin.com/show_bug.cgi?id=43726) - "Setting TabbedPage.ItemsSource to Null Causes Crash" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/320))
* [43774](https://bugzilla.xamarin.com/show_bug.cgi?id=43774) - "Appearing does not trigger for the first time for Tabpages in Android" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/328))
* [43892](https://bugzilla.xamarin.com/show_bug.cgi?id=43892) - "Xamarin.Forms.TabbedPage with FormsAppCompatActivity OnAppearing Troubles"
* [44056](https://bugzilla.xamarin.com/show_bug.cgi?id=44056) - "Picker Focused/Unfocused events not fired on iOS 10 preview" ([PR](https://github.com/xamarin/Xamarin.Forms/pull/339))

## Other fixes
* iOS10 fixes

# 2.3.3-pre1

(Only internal. No public artifacts)

Owners

Authors

Xamarin Inc.

Copyright

Copyright 2013-2016

Tags

Dependencies

Version History

Version Downloads Last updated
Xamarin.Forms 2.3.4.214-pre5 2,931 Tuesday, March 14, 2017
Xamarin.Forms 2.3.4.212-pre4 1,675 Friday, March 10, 2017
Xamarin.Forms 2.3.4.211-pre3 692 Thursday, March 9, 2017
Xamarin.Forms 2.3.4.192-pre2 10,166 Friday, February 3, 2017
Xamarin.Forms 2.3.4.184-pre1 5,036 Friday, January 13, 2017
Xamarin.Forms 2.3.3.180 111,478 Thursday, January 5, 2017
Xamarin.Forms 2.3.3.175 78,059 Tuesday, December 6, 2016
Xamarin.Forms 2.3.3.168 44,375 Wednesday, November 23, 2016
Xamarin.Forms 2.3.3.166-pre4 4,822 Thursday, November 3, 2016
Xamarin.Forms 2.3.3.163-pre3 4,610 Monday, October 17, 2016
Xamarin.Forms 2.3.3.152-pre2 (this version) 9,653 Thursday, September 15, 2016
Xamarin.Forms 2.3.2.127 165,038 Wednesday, September 14, 2016
Xamarin.Forms 2.3.2.118-pre1 5,538 Wednesday, August 3, 2016
Xamarin.Forms 2.3.1.114 115,662 Wednesday, August 3, 2016
Xamarin.Forms 2.3.1.113-pre3 2,407 Tuesday, July 19, 2016
Xamarin.Forms 2.3.1.111-pre2 3,700 Monday, July 4, 2016
Xamarin.Forms 2.3.1.110-pre1 1,329 Wednesday, June 29, 2016
Xamarin.Forms 2.3.0.107 99,493 Wednesday, June 29, 2016
Xamarin.Forms 2.3.0.49 48,584 Thursday, June 16, 2016
Xamarin.Forms 2.3.0.46-pre3 9,097 Monday, May 30, 2016
Xamarin.Forms 2.3.0.38-pre2 10,107 Wednesday, April 27, 2016
Xamarin.Forms 2.3.0.34-pre1 6,400 Wednesday, April 27, 2016
Xamarin.Forms 2.2.0.45 71,384 Monday, May 30, 2016
Xamarin.Forms 2.2.0.31 97,574 Wednesday, April 27, 2016
Xamarin.Forms 2.2.0.23-pre4 1,983 Wednesday, April 20, 2016
Xamarin.Forms 2.2.0.18-pre3 1,160 Wednesday, April 20, 2016
Xamarin.Forms 2.2.0.5-pre2 14,813 Friday, April 8, 2016
Xamarin.Forms 2.2.0.4-pre1 17,291 Tuesday, April 5, 2016
Xamarin.Forms 2.1.0.6529 74,843 Sunday, March 13, 2016
Xamarin.Forms 2.1.0.6526 13,936 Wednesday, March 9, 2016
Xamarin.Forms 2.1.0.6524 23,220 Wednesday, March 2, 2016
Xamarin.Forms 2.1.0.6521 6,562 Tuesday, March 1, 2016
Xamarin.Forms 2.1.0.6517-pre5 1,044 Thursday, February 18, 2016
Xamarin.Forms 2.1.0.6513-pre4 990 Tuesday, February 9, 2016
Xamarin.Forms 2.1.0.6508-pre3 1,278 Thursday, January 28, 2016
Xamarin.Forms 2.1.0.6503-pre2 5,796 Friday, January 22, 2016
Xamarin.Forms 2.1.0.6501-pre1 451 Thursday, January 21, 2016
Xamarin.Forms 2.1.0.6500-pre1 291 Wednesday, January 20, 2016
Xamarin.Forms 2.0.1.6505 73,003 Thursday, January 28, 2016
Xamarin.Forms 2.0.1.6495 53,626 Wednesday, January 20, 2016
Xamarin.Forms 2.0.1.6492-pre1 2,697 Thursday, December 3, 2015
Xamarin.Forms 2.0.0.6490 69,676 Tuesday, December 1, 2015
Xamarin.Forms 2.0.0.6484 15,300 Saturday, November 21, 2015
Xamarin.Forms 2.0.0.6482 174,506 Tuesday, November 17, 2015
Xamarin.Forms 1.5.2.6478-pre3 263 Tuesday, November 17, 2015
Xamarin.Forms 1.5.2.6477-pre2 2,246 Tuesday, November 10, 2015
Xamarin.Forms 1.5.2.6469-pre1 1,004 Tuesday, October 20, 2015
Xamarin.Forms 1.5.1.6471 62,089 Tuesday, October 20, 2015
Xamarin.Forms 1.5.1.6468 2,539 Tuesday, October 20, 2015
Xamarin.Forms 1.5.1.6460-pre2 505 Tuesday, October 13, 2015
Xamarin.Forms 1.5.1.6455-pre1 1,277 Friday, October 2, 2015
Xamarin.Forms 1.5.0.6447 35,165 Friday, September 25, 2015
Xamarin.Forms 1.5.0.6446 16,693 Wednesday, September 16, 2015
Xamarin.Forms 1.5.0.6404-pre3 1,953 Tuesday, August 25, 2015
Xamarin.Forms 1.5.0.6401-pre2 343 Friday, August 21, 2015
Xamarin.Forms 1.5.0.6396-pre1 885 Wednesday, August 5, 2015
Xamarin.Forms 1.4.4.6449 1,225 Friday, September 25, 2015
Xamarin.Forms 1.4.4.6443 518 Wednesday, September 16, 2015
Xamarin.Forms 1.4.4.6392 41,427 Wednesday, July 29, 2015
Xamarin.Forms 1.4.4.6391 964 Tuesday, July 28, 2015
Xamarin.Forms 1.4.4.6387 1,869 Monday, July 27, 2015
Xamarin.Forms 1.4.4.6379-pre3 513 Monday, July 20, 2015
Xamarin.Forms 1.4.4.6378-pre2 357 Thursday, July 16, 2015
Xamarin.Forms 1.4.4.6377-pre1 309 Tuesday, July 14, 2015
Xamarin.Forms 1.4.3.6376 25,098 Thursday, July 9, 2015
Xamarin.Forms 1.4.3.6374 12,959 Wednesday, July 1, 2015
Xamarin.Forms 1.4.3.6372 991 Tuesday, June 30, 2015
Xamarin.Forms 1.4.3.6364-pre3 1,210 Tuesday, June 16, 2015
Xamarin.Forms 1.4.3.6358-pre2 4,047 Friday, April 24, 2015
Xamarin.Forms 1.4.3.6356-pre1 401 Tuesday, April 21, 2015
Xamarin.Forms 1.4.2.6359 41,727 Thursday, April 30, 2015
Xamarin.Forms 1.4.2.6355 10,089 Tuesday, April 21, 2015
Xamarin.Forms 1.4.2.6353-pre2 1,340 Tuesday, March 31, 2015
Xamarin.Forms 1.4.2.6350-pre1 389 Monday, March 30, 2015
Xamarin.Forms 1.4.1.6349 27,501 Monday, March 30, 2015
Xamarin.Forms 1.4.1.6347-pre2 2,188 Thursday, March 19, 2015
Xamarin.Forms 1.4.1.6342-pre1 679 Tuesday, March 10, 2015
Xamarin.Forms 1.4.0.6341 23,686 Monday, March 9, 2015
Xamarin.Forms 1.4.0.6340-pre2 920 Friday, March 6, 2015
Xamarin.Forms 1.4.0.6336-pre1 561 Tuesday, March 3, 2015
Xamarin.Forms 1.3.5.6337 3,856 Thursday, March 5, 2015
Xamarin.Forms 1.3.5.6335 13,055 Monday, March 2, 2015
Xamarin.Forms 1.3.5.6333-pre1 931 Tuesday, February 17, 2015
Xamarin.Forms 1.3.4.6332 13,266 Tuesday, February 17, 2015
Xamarin.Forms 1.3.4.6331-pre4 498 Friday, February 13, 2015
Xamarin.Forms 1.3.4.6329-pre3 285 Thursday, February 12, 2015
Xamarin.Forms 1.3.4.6328-pre2 310 Wednesday, February 11, 2015
Xamarin.Forms 1.3.4.6325-pre1 292 Monday, February 9, 2015
Xamarin.Forms 1.3.3.6323 35,457 Monday, February 9, 2015
Xamarin.Forms 1.3.3.6322-pre3 254 Friday, February 6, 2015
Xamarin.Forms 1.3.3.6321-pre2 411 Wednesday, February 4, 2015
Xamarin.Forms 1.3.3.6318-pre1 376 Monday, February 2, 2015
Xamarin.Forms 1.3.2.6316 5,637 Tuesday, February 3, 2015
Xamarin.Forms 1.3.2.6313-pre3 350 Friday, January 30, 2015
Xamarin.Forms 1.3.2.6309-pre2 403 Wednesday, January 28, 2015
Xamarin.Forms 1.3.2.6299-pre1 1,086 Tuesday, January 20, 2015
Xamarin.Forms 1.3.1.6296 35,316 Sunday, January 4, 2015
Xamarin.Forms 1.3.1.6294-pre1 2,968 Wednesday, December 24, 2014
Xamarin.Forms 1.3.0.6292 7,640 Wednesday, December 24, 2014
Xamarin.Forms 1.3.0.6286-pre4 1,115 Friday, December 19, 2014
Xamarin.Forms 1.3.0.6284-pre3 676 Friday, December 12, 2014
Xamarin.Forms 1.3.0.6280-pre2 594 Tuesday, December 9, 2014
Xamarin.Forms 1.3.0.6275-pre1 6,646 Wednesday, November 12, 2014
Xamarin.Forms 1.2.3.6257 31,159 Thursday, October 2, 2014
Xamarin.Forms 1.2.3.6256-pre4 1,261 Friday, September 26, 2014
Xamarin.Forms 1.2.3.6255-pre3 1,503 Saturday, September 20, 2014
Xamarin.Forms 1.2.3.6249-pre2 874 Tuesday, September 9, 2014
Xamarin.Forms 1.2.3.6246-pre1 2,974 Friday, August 15, 2014
Xamarin.Forms 1.2.2.6243 22,452 Wednesday, July 30, 2014
Xamarin.Forms 1.2.2.6241-pre3 1,690 Monday, July 28, 2014
Xamarin.Forms 1.2.2.6240-pre2 3,225 Tuesday, July 22, 2014
Xamarin.Forms 1.2.2.6238-pre1 2,382 Thursday, July 17, 2014
Xamarin.Forms 1.2.1.6229 6,315 Monday, July 14, 2014
Xamarin.Forms 1.1.1.6206 12,893 Thursday, June 19, 2014
Xamarin.Forms 1.1.0.6201 9,586 Thursday, June 12, 2014
Xamarin.Forms 1.0.6197 2,789 Wednesday, June 4, 2014
Xamarin.Forms 1.0.6188 9,452 Wednesday, May 28, 2014