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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 2.3.5.256-pre6 6,376 Thursday, June 29, 2017
Xamarin.Forms 2.3.5.255-pre5 1,246 Monday, June 26, 2017
Xamarin.Forms 2.3.5.239-pre3 13,527 Thursday, May 11, 2017
Xamarin.Forms 2.3.5.235-pre2 5,866 Wednesday, April 26, 2017
Xamarin.Forms 2.3.5.233-pre1 3,832 Thursday, April 13, 2017
Xamarin.Forms 2.3.4.231 107,762 Wednesday, April 12, 2017
Xamarin.Forms 2.3.4.224 122,875 Wednesday, March 29, 2017
Xamarin.Forms 2.3.4.221-pre6 4,008 Monday, March 27, 2017
Xamarin.Forms 2.3.4.214-pre5 6,654 Tuesday, March 14, 2017
Xamarin.Forms 2.3.4.212-pre4 2,810 Friday, March 10, 2017
Xamarin.Forms 2.3.4.211-pre3 941 Thursday, March 9, 2017
Xamarin.Forms 2.3.4.192-pre2 13,337 Friday, February 3, 2017
Xamarin.Forms 2.3.4.184-pre1 6,761 Friday, January 13, 2017
Xamarin.Forms 2.3.3.193 142,795 Wednesday, February 1, 2017
Xamarin.Forms 2.3.3.180 148,794 Thursday, January 5, 2017
Xamarin.Forms 2.3.3.175 98,013 Tuesday, December 6, 2016
Xamarin.Forms 2.3.3.168 52,474 Wednesday, November 23, 2016
Xamarin.Forms 2.3.3.166-pre4 5,584 Thursday, November 3, 2016
Xamarin.Forms 2.3.3.163-pre3 5,110 Monday, October 17, 2016
Xamarin.Forms 2.3.3.152-pre2 (this version) 11,293 Thursday, September 15, 2016
Xamarin.Forms 2.3.2.127 197,186 Wednesday, September 14, 2016
Xamarin.Forms 2.3.2.118-pre1 5,737 Wednesday, August 3, 2016
Xamarin.Forms 2.3.1.114 127,858 Wednesday, August 3, 2016
Xamarin.Forms 2.3.1.113-pre3 2,604 Tuesday, July 19, 2016
Xamarin.Forms 2.3.1.111-pre2 3,791 Monday, July 4, 2016
Xamarin.Forms 2.3.1.110-pre1 1,438 Wednesday, June 29, 2016
Xamarin.Forms 2.3.0.107 152,270 Wednesday, June 29, 2016
Xamarin.Forms 2.3.0.49 57,506 Thursday, June 16, 2016
Xamarin.Forms 2.3.0.46-pre3 10,971 Monday, May 30, 2016
Xamarin.Forms 2.3.0.38-pre2 10,580 Wednesday, April 27, 2016
Xamarin.Forms 2.3.0.34-pre1 6,748 Wednesday, April 27, 2016
Xamarin.Forms 2.2.0.45 85,525 Monday, May 30, 2016
Xamarin.Forms 2.2.0.31 108,184 Wednesday, April 27, 2016
Xamarin.Forms 2.2.0.23-pre4 2,135 Wednesday, April 20, 2016
Xamarin.Forms 2.2.0.18-pre3 1,257 Wednesday, April 20, 2016
Xamarin.Forms 2.2.0.5-pre2 14,956 Friday, April 8, 2016
Xamarin.Forms 2.2.0.4-pre1 17,481 Tuesday, April 5, 2016
Xamarin.Forms 2.1.0.6529 81,319 Sunday, March 13, 2016
Xamarin.Forms 2.1.0.6526 14,684 Wednesday, March 9, 2016
Xamarin.Forms 2.1.0.6524 24,029 Wednesday, March 2, 2016
Xamarin.Forms 2.1.0.6521 7,943 Tuesday, March 1, 2016
Xamarin.Forms 2.1.0.6517-pre5 1,092 Thursday, February 18, 2016
Xamarin.Forms 2.1.0.6513-pre4 1,035 Tuesday, February 9, 2016
Xamarin.Forms 2.1.0.6508-pre3 1,326 Thursday, January 28, 2016
Xamarin.Forms 2.1.0.6503-pre2 5,881 Friday, January 22, 2016
Xamarin.Forms 2.1.0.6501-pre1 487 Thursday, January 21, 2016
Xamarin.Forms 2.1.0.6500-pre1 328 Wednesday, January 20, 2016
Xamarin.Forms 2.0.1.6505 78,908 Thursday, January 28, 2016
Xamarin.Forms 2.0.1.6495 63,214 Wednesday, January 20, 2016
Xamarin.Forms 2.0.1.6492-pre1 2,799 Thursday, December 3, 2015
Xamarin.Forms 2.0.0.6490 78,472 Tuesday, December 1, 2015
Xamarin.Forms 2.0.0.6484 15,882 Saturday, November 21, 2015
Xamarin.Forms 2.0.0.6482 194,087 Tuesday, November 17, 2015
Xamarin.Forms 1.5.2.6478-pre3 297 Tuesday, November 17, 2015
Xamarin.Forms 1.5.2.6477-pre2 2,430 Tuesday, November 10, 2015
Xamarin.Forms 1.5.2.6469-pre1 1,059 Tuesday, October 20, 2015
Xamarin.Forms 1.5.1.6471 65,624 Tuesday, October 20, 2015
Xamarin.Forms 1.5.1.6468 2,628 Tuesday, October 20, 2015
Xamarin.Forms 1.5.1.6460-pre2 546 Tuesday, October 13, 2015
Xamarin.Forms 1.5.1.6455-pre1 1,516 Friday, October 2, 2015
Xamarin.Forms 1.5.0.6447 38,951 Friday, September 25, 2015
Xamarin.Forms 1.5.0.6446 17,846 Wednesday, September 16, 2015
Xamarin.Forms 1.5.0.6404-pre3 2,154 Tuesday, August 25, 2015
Xamarin.Forms 1.5.0.6401-pre2 382 Friday, August 21, 2015
Xamarin.Forms 1.5.0.6396-pre1 957 Wednesday, August 5, 2015
Xamarin.Forms 1.4.4.6449 1,376 Friday, September 25, 2015
Xamarin.Forms 1.4.4.6443 567 Wednesday, September 16, 2015
Xamarin.Forms 1.4.4.6392 48,828 Wednesday, July 29, 2015
Xamarin.Forms 1.4.4.6391 1,009 Tuesday, July 28, 2015
Xamarin.Forms 1.4.4.6387 1,924 Monday, July 27, 2015
Xamarin.Forms 1.4.4.6379-pre3 552 Monday, July 20, 2015
Xamarin.Forms 1.4.4.6378-pre2 393 Thursday, July 16, 2015
Xamarin.Forms 1.4.4.6377-pre1 354 Tuesday, July 14, 2015
Xamarin.Forms 1.4.3.6376 28,466 Thursday, July 9, 2015
Xamarin.Forms 1.4.3.6374 13,432 Wednesday, July 1, 2015
Xamarin.Forms 1.4.3.6372 1,055 Tuesday, June 30, 2015
Xamarin.Forms 1.4.3.6364-pre3 1,270 Tuesday, June 16, 2015
Xamarin.Forms 1.4.3.6358-pre2 4,346 Friday, April 24, 2015
Xamarin.Forms 1.4.3.6356-pre1 436 Tuesday, April 21, 2015
Xamarin.Forms 1.4.2.6359 45,317 Thursday, April 30, 2015
Xamarin.Forms 1.4.2.6355 11,001 Tuesday, April 21, 2015
Xamarin.Forms 1.4.2.6353-pre2 1,442 Tuesday, March 31, 2015
Xamarin.Forms 1.4.2.6350-pre1 487 Monday, March 30, 2015
Xamarin.Forms 1.4.1.6349 30,902 Monday, March 30, 2015
Xamarin.Forms 1.4.1.6347-pre2 2,253 Thursday, March 19, 2015
Xamarin.Forms 1.4.1.6342-pre1 716 Tuesday, March 10, 2015
Xamarin.Forms 1.4.0.6341 25,006 Monday, March 9, 2015
Xamarin.Forms 1.4.0.6340-pre2 1,101 Friday, March 6, 2015
Xamarin.Forms 1.4.0.6336-pre1 599 Tuesday, March 3, 2015
Xamarin.Forms 1.3.5.6337 3,961 Thursday, March 5, 2015
Xamarin.Forms 1.3.5.6335 15,925 Monday, March 2, 2015
Xamarin.Forms 1.3.5.6333-pre1 970 Tuesday, February 17, 2015
Xamarin.Forms 1.3.4.6332 14,337 Tuesday, February 17, 2015
Xamarin.Forms 1.3.4.6331-pre4 534 Friday, February 13, 2015
Xamarin.Forms 1.3.4.6329-pre3 323 Thursday, February 12, 2015
Xamarin.Forms 1.3.4.6328-pre2 360 Wednesday, February 11, 2015
Xamarin.Forms 1.3.4.6325-pre1 332 Monday, February 9, 2015
Xamarin.Forms 1.3.3.6323 40,094 Monday, February 9, 2015
Xamarin.Forms 1.3.3.6322-pre3 293 Friday, February 6, 2015
Xamarin.Forms 1.3.3.6321-pre2 452 Wednesday, February 4, 2015
Xamarin.Forms 1.3.3.6318-pre1 415 Monday, February 2, 2015
Xamarin.Forms 1.3.2.6316 5,960 Tuesday, February 3, 2015
Xamarin.Forms 1.3.2.6313-pre3 391 Friday, January 30, 2015
Xamarin.Forms 1.3.2.6309-pre2 445 Wednesday, January 28, 2015
Xamarin.Forms 1.3.2.6299-pre1 1,145 Tuesday, January 20, 2015
Xamarin.Forms 1.3.1.6296 41,950 Sunday, January 4, 2015
Xamarin.Forms 1.3.1.6294-pre1 3,126 Wednesday, December 24, 2014
Xamarin.Forms 1.3.0.6292 7,893 Wednesday, December 24, 2014
Xamarin.Forms 1.3.0.6286-pre4 1,180 Friday, December 19, 2014
Xamarin.Forms 1.3.0.6284-pre3 722 Friday, December 12, 2014
Xamarin.Forms 1.3.0.6280-pre2 634 Tuesday, December 9, 2014
Xamarin.Forms 1.3.0.6275-pre1 6,849 Wednesday, November 12, 2014
Xamarin.Forms 1.2.3.6257 32,983 Thursday, October 2, 2014
Xamarin.Forms 1.2.3.6256-pre4 1,309 Friday, September 26, 2014
Xamarin.Forms 1.2.3.6255-pre3 1,628 Saturday, September 20, 2014
Xamarin.Forms 1.2.3.6249-pre2 919 Tuesday, September 9, 2014
Xamarin.Forms 1.2.3.6246-pre1 3,144 Friday, August 15, 2014
Xamarin.Forms 1.2.2.6243 23,844 Wednesday, July 30, 2014
Xamarin.Forms 1.2.2.6241-pre3 1,767 Monday, July 28, 2014
Xamarin.Forms 1.2.2.6240-pre2 3,480 Tuesday, July 22, 2014
Xamarin.Forms 1.2.2.6238-pre1 2,532 Thursday, July 17, 2014
Xamarin.Forms 1.2.1.6229 6,658 Monday, July 14, 2014
Xamarin.Forms 1.1.1.6206 13,065 Thursday, June 19, 2014
Xamarin.Forms 1.1.0.6201 10,538 Thursday, June 12, 2014
Xamarin.Forms 1.0.6197 2,918 Wednesday, June 4, 2014
Xamarin.Forms 1.0.6188 9,798 Wednesday, May 28, 2014