Jesse Dietrichson shows you how to take your .NET skills mobile with Xamarin.Forms for Visual Studio 2017. With Xamarin.Forms, you’re able to maximize code reuse and quickly build fully native apps for Android, iOS, and Windows. Jesse will show you how to use the latest Visual Studio features to design, develop, and test your apps faster than ever. Watch the webinar recording at aka.ms/xamu-vs2017-xamarin.forms-video Explore Xamarin University at xamarin.com/university

2. Content Developer
@JDProgramming

5. [DEMO]
[DEMO]
[DEMO]

6. Our work and personal data is in the cloud

7. We have multiple devices and use whichever is best for each task

8. We use devices in all aspects of our lives

9. We expect our data to be available on every device we use

10. iOS

12. Visual Studio
for Windows or Mac
.NET Library.NET Languages

13. iOS
C# UI
Shared C# business logic
Android
C# UI
Windows
C# UI Shared C# UI
Shared C# business logic
Xamarin.Android and Xamarin.iOS
Separate UIs per platform
Xamarin.Forms
Shared UI definition

14. Pages, layouts, controls
XAML-defined UI
Data binding
Navigation
Animations
Dependency Service
Messaging Center
Shared C# UI
Shared C# business logic

17. Content Page Master Detail Page Navigation Page Tabbed Page Carousel Page

18. Stack Layout Absolute Layout Relative Layout Grid Content View Scroll View Frame

19. Editor
Map
Slider
EntryCell
ActivityIndicator
Entry
OpenGLView
Stepper
ImageCell
BoxView
Image
Picker
TableView
SwitchCell
Button
Label
ProgressBar
TimePicker
TextCell
DatePicker
ListView
SearchBar
WebView
ViewCell

20. public class Person
{
public string Name
{
get; set;
}
public string Email
{
get; set;
}
public Gender Gender
{
get; set;
}
}
Binding
Binding
Binding

21. Xamarin.FormsMicrosoft XAML (WinRT)

22. <?xml version="1.0" encoding="UTF-8"?>
<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="MyApp.MainPage">
<ContentPage Title="Profile" Icon="Profile.png">
<StackLayout Spacing="20" Padding="20"
VerticalOptions="Center">
<Entry Placeholder="Username" Text="{Binding Username}"/>
<Entry Placeholder="Password" Text="{Binding Password}"
IsPassword="true"/>
<Button Text="Login" TextColor="White"
BackgroundColor="#77D065"
Command="{Binding LoginCommand}"/>
</StackLayout>
</ContentPage>
<ContentPage Title="Settings" Icon="Settings.png">
</ContentPage>
</TabbedPage>

25. Talks to a
web service
Parses a
data format
Uses a
database
Performs
processing or logic

26. Accesses system
information
Uses files and
folders on the device
Accesses personal
information
Uses external
devices

27. PhoneDialerIOS:IDialer
PhoneDialerDroid:IDialer
PhoneDialerWin:IDialer
public interface IDialer
{
bool MakeCall(string number);
}
Shared abstraction
Platform-specific
implementations

29. aka.ms/buy-xamarin-university
Start your free Xamarin University trial.
Learn to build better mobile apps.

31. visualstudio.com
xamarin.com
github.com/JesseDietrichson/TicTacToe
aka.ms/buy-xamarin-university
aka.ms/xam-u-webinars
aka.ms/xam-u-webinar-recordings