Xamarin.Forms 1.5.2.6469-pre1

Prefix Reserved
This is a prerelease version of Xamarin.Forms.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Xamarin.Forms --version 1.5.2.6469-pre1
                    
NuGet\Install-Package Xamarin.Forms -Version 1.5.2.6469-pre1
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Xamarin.Forms" Version="1.5.2.6469-pre1" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="Xamarin.Forms" Version="1.5.2.6469-pre1" />
                    
Directory.Packages.props
<PackageReference Include="Xamarin.Forms" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add Xamarin.Forms --version 1.5.2.6469-pre1
                    
#r "nuget: Xamarin.Forms, 1.5.2.6469-pre1"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package Xamarin.Forms@1.5.2.6469-pre1
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=Xamarin.Forms&version=1.5.2.6469-pre1&prerelease
                    
Install as a Cake Addin
#tool nuget:?package=Xamarin.Forms&version=1.5.2.6469-pre1&prerelease
                    
Install as a Cake Tool

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

Product Compatible and additional computed target framework versions.
MonoAndroid monoandroid10 is compatible. 
MonoTouch monotouch10 is compatible. 
Universal Windows Platform uap was computed.  uap10.0 was computed. 
Windows Phone wp8 is compatible.  wp81 was computed.  wpa81 is compatible. 
Windows Store win81 is compatible. 
Xamarin.iOS xamarinios10 is compatible. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1.9K)

Showing the top 5 NuGet packages that depend on Xamarin.Forms:

Package Downloads
Rg.Plugins.Popup

Plugin for Xamarin forms. Allows you to open any page as a popup.

Xamarin.FFImageLoading.Forms

Xamarin Library to load images quickly and easily on Xamarin.Forms. Ensure you call CachedImageRenderer.Init() on each platform!!! Features: - Xamarin.iOS, Xamarin.Android, Xamarin.Forms, Xamarin.Mac and Windows (WinRT, UWP) support - Configurable disk and memory caching - Multiple image views using the same image source (url, path, resource) will use only one bitmap which is cached in memory (less memory usage) - Deduplication of similar download/load requests. *(If 100 similar requests arrive at same time then one real loading will be performed while 99 others will wait).* - Error and loading placeholders support - Images can be automatically downsampled to specified size (less memory usage) - Fluent API which is inspired by Picasso naming - SVG / WebP / GIF support - Image loading Fade-In animations support - Can retry image downloads (RetryCount, RetryDelay) - Android bitmap optimization. Saves 50% of memory by trying not to use transparency channel when possible. - Transformations support - BlurredTransformation - CircleTransformation, RoundedTransformation, CornersTransformation, CropTransformation - ColorSpaceTransformation, GrayscaleTransformation, SepiaTransformation, TintTransformation - FlipTransformation, RotateTransformation - Supports custom transformations (native platform `ITransformation` implementations)

Prism.Forms

Prism provides an implementation of a collection of design patterns that are helpful in writing well structured, maintainable, and testable XAML applications, including MVVM, dependency injection, commanding, event aggregation, and more. Prism's core functionality is a shared library targeting the .NET Framework and .NET. Features that need to be platform specific are implemented in the respective libraries for the target platform (WPF, Uno Platform, .NET MAUI and Xamarin Forms). Prism for Xamarin.Forms helps you more easily design and build rich, flexible, and easy to maintain Xamarin.Forms applications. This library provides user interface composition as well as modularity support.

Xamarin.Forms.Maps

Maps models and renderers for Xamarin.Forms

CarouselView.FormsPlugin

Create Horizontal and Vertical carousels, add page indicators, navigation arrows and much more. “How to” at Github repository.

GitHub repositories (316)

Showing the top 20 popular GitHub repositories that depend on Xamarin.Forms:

Repository Stars
dotnet/BenchmarkDotNet
Powerful .NET library for benchmarking
microsoft/ailab
Experience, Learn and Code the latest breakthrough innovations with Microsoft AI
xamarin/Xamarin.Forms
Xamarin.Forms is no longer supported. Migrate your apps to .NET MAUI.
mono/SkiaSharp
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
dotnetcore/FreeSql
.NET aot orm, VB.NET/C# orm, Mysql/PostgreSQL/SqlServer/Oracle orm, Sqlite/Firebird/Clickhouse/DuckDB orm, 达梦/金仓/虚谷/翰高/高斯 orm, 神通 orm, 南大通用 orm, 国产 orm, TDengine orm, QuestDB orm, MsAccess orm.
xamarin/xamarin-forms-samples
Sample apps built using the Xamarin.Forms framework
dotnet/maui-samples
Samples for .NET Multi-Platform App UI (.NET MAUI)
mono/monodevelop
MonoDevelop is a cross platform .NET IDE
Caliburn-Micro/Caliburn.Micro
A small, yet powerful framework, designed for building applications across all XAML platforms. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.
dotnet/macios
.NET for iOS, Mac Catalyst, macOS, and tvOS provide open-source bindings of the Apple SDKs for use with .NET managed languages such as C#
x360ce/x360ce
Primary repository for the x360ce library, front-end and tools.
ArduPilot/MissionPlanner
Mission Planner Ground Control Station for ArduPilot (c# .net)
dotnet/android
.NET for Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#
microcharts-dotnet/Microcharts
Simple, cross-platform chart library for .NET
xamarin/XamarinComponents
Plugins for Xamarin
stryker-mutator/stryker-net
Mutation testing for .NET core and .NET framework!
NewLifeX/X
Core basic components: log (file / network), configuration (XML / JSON / HTTP), cache (memory / redis), network (TCP / UDP / HTTP), RPC framework, serialization (binary / XML / JSON), APM performance tracking. 核心基础组件,日志(文件/网络)、配置(XML/Json/Http)、缓存(内存/Redis)、网络(Tcp/Udp/Http)、RPC框架、序列化(Binary/XML/Json)、APM性能追踪。
zzzprojects/System.Linq.Dynamic.Core
The .NET Standard / .NET Core version from the System Linq Dynamic functionality.
videolan/libvlcsharp
Cross-platform .NET/Mono bindings for LibVLC
praeclarum/Ooui
A small cross-platform UI library that brings the simplicity of native UI development to the web
Version Downloads Last Updated
5.0.0.2662 394,982 3/25/2024
5.0.0.2622 386,090 11/10/2023
5.0.0.2612 434,789 8/11/2023
5.0.0.2599-pre1 33,773 5/10/2023
5.0.0.2578 1,165,231 3/8/2023
5.0.0.2545 760,705 12/6/2022
5.0.0.2515 1,214,922 7/25/2022
5.0.0.2478 486,162 6/9/2022
5.0.0.2401 798,679 3/29/2022
5.0.0.2337 942,832 1/25/2022
5.0.0.2291 803,180 12/14/2021
5.0.0.2244 3,664,005 11/15/2021
5.0.0.2196 1,009,804 10/18/2021
5.0.0.2125 462,045 9/20/2021
5.0.0.2083 1,026,619 7/12/2021
5.0.0.2012 8,587,683 2/12/2021
5.0.0.1931 254,760 1/25/2021
5.0.0.1905 84,173 1/20/2021
5.0.0.1874 657,944 1/5/2021
5.0.0.1829-pre6 10,154 12/22/2020
5.0.0.1791-pre5 13,379 12/8/2020
5.0.0.1709-pre4 17,994 11/16/2020
5.0.0.1558-pre3 41,265 10/15/2020
5.0.0.1539-pre2 3,526 10/7/2020
5.0.0.1487-pre1 8,254 9/23/2020
4.8.0.1821 991,098 12/18/2020
4.8.0.1687 709,731 11/12/2020
4.8.0.1560 552,581 10/15/2020
4.8.0.1534 154,084 10/7/2020
4.8.0.1451 727,352 9/16/2020
4.8.0.1364 392,272 8/31/2020
4.8.0.1269 544,338 8/6/2020
4.8.0.1238-pre3 5,537 7/30/2020
4.8.0.1187-pre2 6,548 7/23/2020
4.8.0.1143-pre1 3,860 7/15/2020
4.7.0.1351 465,606 8/27/2020
4.7.0.1260 138,384 8/5/2020
4.7.0.1239 111,905 7/30/2020
4.7.0.1179 161,479 7/22/2020
4.7.0.1142 146,085 7/15/2020
4.7.0.1080 208,359 7/1/2020
4.7.0.968 5,601,214 6/17/2020
4.7.0.937-pre4 16,118 6/11/2020
4.7.0.848-pre3 7,742 6/4/2020
4.7.0.813-pre2 8,644 5/19/2020
4.7.0.773-pre1 7,782 5/14/2020
4.6.0.1180 64,880 7/22/2020
4.6.0.1141 113,720 7/14/2020
4.6.0.1073 14,316 7/1/2020
4.6.0.967 65,516 6/17/2020
4.6.0.847 279,791 6/4/2020
4.6.0.800 409,529 5/19/2020
4.6.0.726 430,813 4/29/2020
4.6.0.616-pre4 14,265 4/9/2020
4.6.0.529-pre3 5,550 4/2/2020
4.6.0.494-pre2 7,550 3/25/2020
4.6.0.379-pre1 12,245 3/5/2020
4.5.0.725 178,161 4/29/2020
4.5.0.657 464,754 4/23/2020
4.5.0.617 2,077,691 4/9/2020
4.5.0.530 203,811 4/1/2020
4.5.0.495 256,969 3/25/2020
4.5.0.396 168,030 3/16/2020
4.5.0.356 623,370 2/26/2020
4.5.0.282-pre4 12,189 2/10/2020
4.5.0.266-pre3 4,300 2/5/2020
4.5.0.187-pre2 15,123 1/23/2020
4.5.0.142-pre1 5,939 1/13/2020
4.4.0.991864 123,425 3/23/2020
4.4.0.991757 106,541 2/26/2020
4.4.0.991640 239,950 2/5/2020
4.4.0.991537 160,512 1/23/2020
4.4.0.991477 164,537 1/10/2020
4.4.0.991265 465,594 12/12/2019
4.4.0.991220-pre3 6,046 12/4/2019
4.4.0.991210-pre2 17,945 11/14/2019
4.4.0.936621-pre1 13,595 10/31/2019
4.3.0.991250 105,872 12/12/2019
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4.3.0.947036 214,117 10/29/2019
4.3.0.908675 411,990 10/21/2019
4.3.0.851321-pre3 18,030 10/2/2019
4.3.0.819712-pre2 18,896 9/19/2019
4.3.0.778476-pre1 23,563 9/11/2019
4.2.0.910310 112,162 10/21/2019
4.2.0.848062 301,054 10/2/2019
4.2.0.815419 176,356 9/19/2019
4.2.0.778463 112,714 9/11/2019
4.2.0.709249 352,250 8/21/2019
4.2.0.673161-pre3 18,180 8/7/2019
4.2.0.618605-pre2 19,345 7/24/2019
4.2.0.608146-pre1 13,355 7/16/2019
4.1.0.778454 56,648 9/11/2019
4.1.0.709244 70,580 8/21/2019
4.1.0.673156 183,799 8/7/2019
4.1.0.618606 179,283 7/24/2019
4.1.0.581479 250,678 7/9/2019
4.1.0.555618 552,820 6/28/2019
4.1.0.496342-pre2 16,809 6/13/2019
4.1.0.483098-pre1 14,077 6/5/2019
4.0.0.709238 47,719 8/21/2019
4.0.0.618610 14,512 7/24/2019
4.0.0.540366 135,299 6/27/2019
4.0.0.497661 130,569 6/13/2019
4.0.0.482894 105,756 6/3/2019
4.0.0.425677 417,725 5/14/2019
4.0.0.394984-pre10 17,698 5/3/2019
4.0.0.346134-pre9 30,686 4/18/2019
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4.0.0.250467-pre7 16,513 3/20/2019
4.0.0.232914-pre6 16,472 3/14/2019
4.0.0.169046-pre5 14,154 2/21/2019
4.0.0.135214-pre4 12,342 2/6/2019
4.0.0.94569-pre3 11,218 1/24/2019
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4.0.0.8055-pre1 26,830 12/4/2018
3.6.0.709228 107,236 8/21/2019
3.6.0.539721 72,334 6/27/2019
3.6.0.344457 2,672,852 4/18/2019
3.6.0.293080 167,123 4/3/2019
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3.6.0.220655 399,656 3/6/2019
3.6.0.169048-pre2 8,043 2/21/2019
3.6.0.135200-pre1 15,379 2/6/2019
3.5.0.274416 87,645 3/26/2019
3.5.0.169047 8,099,947 2/20/2019
3.5.0.129452 400,363 2/6/2019
3.5.0.94564-pre3 7,507 1/24/2019
3.5.0.62956-pre2 7,696 1/10/2019
3.4.0.1039999 39,868 3/26/2019
3.4.0.1029999 157,670 1/24/2019
3.4.0.1009999 233,690 1/4/2019
3.4.0.1008975 836,414 11/15/2018
3.4.0.987044-pre2 8,268 11/8/2018
3.4.0.925479-pre1 43,955 10/18/2018
3.3.0.967583 300,122 11/1/2018
3.3.0.912540 1,458,902 10/18/2018
3.3.0.893527-pre3 16,788 10/11/2018
3.3.0.871608-pre2 24,056 10/1/2018
3.3.0.840541-pre1 15,829 9/20/2018
3.2.0.871581 328,513 10/3/2018
3.2.0.839982 338,701 9/17/2018
3.2.0.809874-pre3 12,666 9/10/2018
3.2.0.729530-pre2 23,365 8/14/2018
3.2.0.637442-pre1 20,603 7/17/2018
3.1.0.697729 1,012,162 8/1/2018
3.1.0.637273 168,011 7/11/2018
3.1.0.583944 283,285 6/20/2018
3.1.0.561732-pre4 16,572 6/11/2018
3.1.0.550168-pre3 10,018 6/6/2018
3.1.0.530888-pre2 8,954 6/4/2018
3.1.0.469394-pre1 25,228 5/9/2018
3.0.0.561731 221,260 6/11/2018
3.0.0.550146 46,206 6/6/2018
3.0.0.530893 57,017 6/4/2018
3.0.0.482510 593,807 5/14/2018
3.0.0.446417 443,254 5/1/2018
3.0.0.427558-pre4 17,870 4/25/2018
3.0.0.354232-pre3 22,161 4/5/2018
3.0.0.296286-pre2 15,999 3/20/2018
2.5.1.527436 393,117 5/4/2018
2.5.1.444934 293,709 4/4/2018
2.5.1.392594-pre3 10,359 3/21/2018
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2.5.1.317207-pre1 11,569 3/1/2018
2.5.0.280555 713,941 2/16/2018
2.5.0.122203 1,159,723 12/18/2017
2.5.0.121934 1,560,956 11/28/2017
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2.5.0.75255-pre3 12,589 11/10/2017
2.5.0.19271-pre2 17,412 10/20/2017
2.4.0.91020 78,074 11/16/2017
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2.4.0.38779 89,140 10/30/2017
2.4.0.18342 74,752 10/20/2017
2.4.0.282 277,015 9/29/2017
2.4.0.280 1,022,002 9/27/2017
2.4.0.275-pre3 19,486 9/19/2017
2.4.0.269-pre2 27,845 8/29/2017
2.4.0.266-pre1 43,558 8/16/2017
2.3.5.256-pre6 55,132 6/29/2017
2.3.5.255-pre5 12,808 6/26/2017
2.3.5.239-pre3 38,399 5/11/2017
2.3.5.235-pre2 18,381 4/26/2017
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2.3.4.270 440,862 8/29/2017
2.3.4.267 100,240 8/16/2017
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2.3.4.231 331,731 4/12/2017
2.3.4.224 329,666 3/29/2017
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2.3.3.193 354,286 2/1/2017
2.3.3.180 352,733 1/5/2017
2.3.3.175 139,094 12/6/2016
2.3.3.168 89,079 11/23/2016
2.3.3.166-pre4 14,046 11/3/2016
2.3.3.163-pre3 12,301 10/17/2016
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2.3.2.118-pre1 12,417 8/3/2016
2.3.1.114 246,547 8/3/2016
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2.3.0.107 281,249 6/29/2016
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2.2.0.45 176,356 5/30/2016
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2.0.1.6495 89,007 1/20/2016
2.0.1.6492-pre1 9,131 12/3/2015
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1.5.2.6478-pre3 5,960 11/17/2015
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1.3.1.6296 109,499 1/4/2015
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1.2.2.6238-pre1 8,915 7/17/2014
1.2.1.6229 15,381 7/14/2014
1.1.1.6206 20,314 6/19/2014
1.1.0.6201 22,179 6/12/2014
1.0.6197 22,826 6/4/2014
1.0.6188 18,767 5/28/2014

## Important Notes ##

This release is more alpha than most pre-releases. We want to get as much testing on the new optimization work as possible. Expect to see changes and more work landing into this release before promotion to stable.

## Enhancements ##

### New properties ###

These all do pretty much what you expect

- Editor.TextColor
- Entry.TextColor
- Editor.FontSize
- Editor.FontAttributes
- Editor.FontFamily

### New API ###

```csharp
public enum ListViewCachingStrategy
{
RetainElement = 0,
RecycleElement,
}
```

This new `enum` is used in conjuction with a new constructor for ListView, `ListView (ListViewCachingStrategy cachingStrategy)`. The default mode, RetainElement represents the old ListView behavior. It is also the default behavior if the old constructor is retained. The new behavior has the following characteristics.

- Only works on Android/iOS. Windows will simply get the old behavior no matter what.
- DataTemplate will be inflated to match as many native renderers for the cells are created.
- During virtualization, the Cell will have its binding context updated.

This means if an App opt into the new mode, the app must appropriately handle BindingContext updates. All data about the cell must come from the binding context or consistency errors may occur. If the cells are using custom renderers, it must ensure they properly implement property change notification. This mode is not always a pure performance win, testing is the only way to know for sure, however there are some basic guidelines:

 - Use RecycleElement if:
   - Cell BindingContext defines all properties/data about the View
   - Cells are largely similar and do not morphe dramatically based on BindingContext
   - The Cell has a moderate to small number of bindings
   - The Cell adheres well to the new performance guidelines below
 - Use RetainElement if:
   - Cells morph frequently
   - Cells have large numbers of bindings (20 to 30 tends to be the crossover point)
   - When testing RecycleElement, it is slower

Generally speaking, prefer RecycleElement as it can offer significant performance gains when in the fast path scenario. Eventually RetainElement may be phased out, however this will only happen once RetainElement no longer offers any performance advantage in any scenario.

### Layout Optimization ###

There is a new experimental layout optimization in this release of Xamarin.Forms. The optimization is complex and currently only impacts layout updates. Effectively the optimization serves to block InvalidateMeasure call chains. To get the best possible performance follow these performance guidelines:

- Leave the View.VerticalOptions and View.HorizontalOptions alone as much as possible. The default value of Fill or FillAndExpand allows for the best layout optimization.
- When using a StackLayout, make sure to have only one child set to Expand.
- Avoid RelativeLayout when possible.
- When using Grid, avoid Auto rows/columns if possible. Fixed row/cols are best. Stars are equally good if parent tree follows guidelines.
- When using AbsoluteLayout, avoid using AutoSize if possible.
- When using Labels, set the LineBreakMode to NoWrap whenever possible.

This optimization may impact the layout of your app. If you experience any differences at all, please report them as bugs. Further the optimization will work with the new ListView caching strategy, effectively doubling down on scrolling performance.

## Bug Fixes ##

[Bug 34632](https://bugzilla.xamarin.com/show_bug.cgi?id=34632) - Can't change IsPresented when setting SplitOnLandscape
[Bug 34556](https://bugzilla.xamarin.com/show_bug.cgi?id=34556) - Minimum version determination methods on iOS will fail once iOS hits version 10
[Bug 34549](https://bugzilla.xamarin.com/show_bug.cgi?id=34549) - Setting a BindableProperty of Type DateTime? to null raises Error
[Bug 34235](https://bugzilla.xamarin.com/show_bug.cgi?id=34235) - Xamarin.Forms.Platform.WinRT.TabbedPageRenderer OnElementChanged not virtual
[Bug 34061](https://bugzilla.xamarin.com/show_bug.cgi?id=34061) - RelativeLayout - First child added after page display does not appear
[Bug 34007](https://bugzilla.xamarin.com/show_bug.cgi?id=34007) - Z order drawing of children views are different on Android and iOS
[Bug 33764](https://bugzilla.xamarin.com/show_bug.cgi?id=33764) - Frame outline colour doesn't change using ViewModel
[Bug 33612](https://bugzilla.xamarin.com/show_bug.cgi?id=33612) - Removing a page from the navigation stack causes an 'Object reference' exception in Android only
[Bug 33499](https://bugzilla.xamarin.com/show_bug.cgi?id=33499) - Android WebViewRenderer doesn't unhook events properly
[Bug 32902](https://bugzilla.xamarin.com/show_bug.cgi?id=32902) - [iOS | iPad] App Crashes (without debug log) when Master Detail isPresented and navigation being popped
[Bug 32801](https://bugzilla.xamarin.com/show_bug.cgi?id=32801) - Memory Leak in TabbedPage + NavigationPage
[Bug 32447](https://bugzilla.xamarin.com/show_bug.cgi?id=32447) - [iOS] App crash when scrolling quickly through a TableView that has Pickers in the cells.
[Bug 32040](https://bugzilla.xamarin.com/show_bug.cgi?id=32040) - EntryCell.Tapped or SwitchCell.Tapped does not fire when within a TableView
[Bug 31366](https://bugzilla.xamarin.com/show_bug.cgi?id=31366) - Pushing and then popping a page modally cause ArgumentOutOfRangeException
[Bug 29257](https://bugzilla.xamarin.com/show_bug.cgi?id=29257) - CarouselPage.CurrentPage Does Not Work Properly When Used Inside a NavigationPage

## Other Fixes ##

- [A] Non-AppCompat backend no longer fails to redraw Frame correctly
- OnPlatform now passing the Windows value to WinRT projects. This API is being considered for replacement with something more extensible.
- OpenGLView now uses IOpenGLViewController for backend communication