This document discusses updates and upcoming features for Xamarin developers. It summarizes that Xamarin allows building native mobile apps using C# with a shared codebase, and highlights improvements to the development experience including faster builds and debugging on devices. It also outlines new controls and features being added to Xamarin.Forms, and previews the future .NET MAUI framework for building cross-platform native UIs using a single codebase.

1. What’s New & Next
for Xamarin Developers
@JamesMontemagno

2. .NET
C# C#
Xamarin.Essentials
C#
Xamarin.Forms - UI
Shared C# codebase • 100% native API access • High performance
Shared C#
Business Logic
Delight Developers

5. Code faster
Code further
Code deeper
Build & Deploy faster
Startup faster
Reduce app size
Iterate faster

6. The New Xamarin Experience

8. Test changes made to your app, including multi-file code edits, resources, and
references while using a much faster build and deploy cycle.
With Hot Restart, debug your iOS app built with Xamarin.Forms on a device
connected to your Windows machine allowing for a much faster inner development
loop.

9. .Forms

11. • Accessibility
• BindableLayout EmptyView
• Brushes (Solid & Gradient)
• C# UI Extensions
• CarouselView
• Character Spacing
• CheckBox
• Drag and drop
• EmbeddedFonts
• Expander
• FontImageSource
• GIF Animations
• HTML Label
• IndicatorView
• Maps+
• MediaElement
• Modal Prompts
• Multi-Binding
• RadioButton
• RefreshView
• RelativeSource Binding
• Shapes, Paths, Clipping
• Shell Modals
• SourceLink
• SwipeView
• VisualStateManager Target
• WKWebView
• + Much More!

12. Brushes
<LinearGradientBrush
x:Key="HorizontalLinearGradient"
StartPoint="0, 0"
EndPoint="1, 0">
<LinearGradientBrush.GradientStops>
<GradientStop Color="#1C7EFF" Offset="0.1" />
<GradientStop Color="#3771F7" Offset="0.6" />
<GradientStop Color="#3877F6" Offset="1.0" />
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
<NavigationPage
BarBackground="{StaticResource HorizontalLinearGradient}">
</NavigationPage>

13. <CarouselView
ItemsSource="{Binding Burgers}"
HeightRequest="260"
HorizontalOptions="FillAndExpand"
CurrentItem="{Binding SelectedBurger}"
IsScrollAnimated="True"
IsSwipeEnabled="True">
<CarouselView.ItemTemplate>
<DataTemplate>
<t:BurgerItem />
</DataTemplate>
</CarouselView.ItemTemplate>
</CarouselView>
https://github.com/devcrux

14. <Button
Text="1"
BackgroundColor="Blue">
<Button.GestureRecognizers>
<DragGestureRecognizer
DragStarting="DragGestureRecognizer_DragStarting"
CanDrag="True" />
</Button.GestureRecognizers>
</Button>
<StackLayout>
<StackLayout.GestureRecognizers>
<DropGestureRecognizer AllowDrop="True"
DragOver="DropGestureRecognizer_DragOver"
DragLeave="DropGestureRecognizer_DragLeave"
Drop="DropGestureRecognizer_Drop"/>
</StackLayout.GestureRecognizers>
</StackLayout>

15. <StackLayout
RadioButtonGroup.GroupName="SimpleRadios"
Orientation="Horizontal">
<RadioButton Content="Day"/>
<RadioButton Content="Week"/>
<RadioButton Content="Month"/>
</StackLayout>
<RadioButton
ControlTemplate="{StaticResource
CalendarRadioTemplate}">
<RadioButton.Content>
<StackLayout
HorizontalOptions="Center"
VerticalOptions="Center">
<Image
Source="{FontImage FontFamily=FontAwesome,
Glyph={x:Static local:IconFont.CalendarDay},
Color=#323130,Size=32}"/>
<Label Text="Day" TextColor="#323130"/>
</StackLayout>
</RadioButton.Content>
</RadioButton>

16. Shapes & Paths
<!-- Lines and Dots -->
<Line X1="0" X2 ="300" Stroke="Pink"
StrokeThickness="2" StrokeDashArray="1,1"/>
<Ellipse HeightRequest="12" WidthRequest="360" Stroke="Pink" />
<!-- Conversation Bubble -->
<Grid Margin="12">
<BoxView
Grid.RowSpan="2"
Fill="{StaticResource AccentBrush}"/>
<Label Text="{Binding Text}">
<Label
Grid.Row="1"
Text="{Binding =Timestamp}"/>
<Path Grid.Row="2"
Data="m 0,0 l 16,0 l 0,16 l -16,-16"
Fill="{StaticResource AccentBrush}"
Margin="0,0,5,0" />
</Grid>

17. <SwipeView>
<SwipeView.LeftItems>
<SwipeItems>
<SwipeItem
BackgroundColor="#FFC107"
Invoked="OnFavoriteSwipeItemInvoked"
Text="Favorite" />
</SwipeItems>
</SwipeView.LeftItems>
<SwipeView.RightItems>
<SwipeItems>
<SwipeItem
BackgroundColor="#FF3D00"
Command="{Binding DeleteCommand}"
CommandParameter="{Binding}"
Text="Delete" />
</SwipeItems>
</SwipeView.RightItems>
<!-- Content -->
</SwipeView>
https://github.com/exendahal

18. aka.ms/xf-roadmap

19. Community Toolkit

20. • Accessibility
• BindableLayout EmptyView
• Brushes (Solid & Gradient)
• C# UI Extensions
• CarouselView
• Character Spacing
• CheckBox
• Drag and drop
• EmbeddedFonts
• Expander
• FontImageSource
• GIF Animations
• HTML Label
• IndicatorView
• Maps+
• MediaElement
• Modal Prompts
• Multi-Binding
• RadioButton
• RefreshView
• RelativeSource Binding
• Shapes, Paths, Clipping
• Shell Modals
• SourceLink
• SwipeView
• VisualStateManager Target
• WKWebView
• + Much More!

21. • Accessibility
• BindableLayout EmptyView
• Brushes (Solid & Gradient)
• C# UI Extensions
• CarouselView
• Character Spacing
• CheckBox
• Drag and drop
• EmbeddedFonts
• Expander
• FontImageSource
• GIF Animations
• HTML Label
• IndicatorView
• Maps+
• MediaElement
• Modal Prompts
• Multi-Binding
• RadioButton
• RefreshView
• RelativeSource Binding
• Shapes, Paths, Clipping
• Shell Modals
• SourceLink
• SwipeView
• VisualStateManager Target
• WKWebView
• + Much More!

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23. https://github.com/xamarin/XamarinCommunityToolkit

24. Flashlight
Geolocation
Preferences
Device Info
Device Display Info
Secure Settings
Accelerometer
Battery
Clipboard
Compass
Connectivity
Share
Email
File SystemGeocoding
Gyroscope
Magnetometer
Phone Dialer
Screen Lock
Sms
Text to Speech
Vibration
Xamarin.Essentials
Email Attachments
Open Files Share File
Detect Shake

27. With Xamarin, you can build fast, beautiful,
native apps in less time, with less code,
within a thriving ecosystem

28. Journey to one .NET

29. Your platform for building anything
.NET
Desktop Web Cloud Mobile Gaming IoT AI

30. LIBRARIES
INFRASTRUCTURE
.NET STANDARD
VISUAL STUDIO CODE
CLI
VISUAL STUDIO
VISUAL STUDIO FOR MAC
WEB CLOUD MOBILE GAMING IoT AIDESKTOP
.NET – A unified platform

31. .NET Framework
Mono / Xamarin
.NET Core.NET
Single SDK, one BCL, unified toolchain
Cross-platform native UI
Cross-platform web UI
Cloud native investments
Continue improvements in speed, size, diagnostics, Azure services
.NET has the best of breed solutions for all modern workloads
One .NET vision – .NET 5 to 6 "wave"

32. Cross-platform, native UI
Single project, single codebase
Deploy to multiple devices, mobile & desktop
Evolution of Xamarin.Forms
Targeting .NET 6, previews end of year
Build beautiful, native UI for any device
.NET MAUI
.NET Platform
github.com/dotnet/maui

37. github.com/dotnet/maui

38. Dec 2019
.NET Core 3.1
LTS
Nov 2020
.NET 5.0
Nov 2021
.NET 6.0
LTS
Nov 2022
.NET 7.0
Nov 2023
.NET 8.0
LTS
Yes, you should still create Xamarin apps until .NET MAUI ships!

39. Thank you.
Xamarin.com
James
Montemagno
Principal Lead Program Manager – .NET Community, Microsoft
motz@microsoft.com Montemagno.com @JamesMontemagno
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