Building Your First iOS App with Xamarin for Visual Studio

university.xamarin.com

Microsoft: Your Complete Mobile Solution

What we will cover

Create an iOS app,

design the UI,

explore MVC

Build and run on simulator and device

Xamarin’s unique approach

Windows C# UI

Shared C# codebase • 100% native API access • High performance

iOS

What is Xamarin.iOS?

C# source Native performance

iOS

Xamarin.iOS execution

UNIX Kernel

Objective-C Runtime

iOS APIs

Mono Runtime

Binary

.NET

APIs

Your C#

compiled

to binary

Xamarin.iOS – 100% API coverage

MapKit UIKit iBeacon CoreGraphics CoreMotion

System.Data System.Collections System.Numerics System.Core System.ServiceModel

System.Net System System.IO System.Linq System.Xml

C#

Always up-to-date

Same-day support

for new iOS versions

iOS

Xamarin.iOS platform support

Supports all iOS devices

Open Source – open.xamarin.com

Develop on Mac or Windows

Microsoft Visual Studio

on Windows

Visual Studio for Mac

on macOS (preview)

Parts of the build

are done on the

networked Mac

• Multi-touch and pressure-sensitive

interaction

• Supports rotation, screenshots,

and location changes

• Performant

Remote iOS Simulator for Windows

iOS APIs are designed around the

Model-View-Controller (MVC) pattern

What is MVC?

Model

Controller

ViewUser Interface

Behavior

Data

The Model contains data, information and logic (business layer)

The Model

Calculation

Functions

Data EntitiesValidation

Logic

Persistence

Logic

Processing

Logic

…

The View contains the visual components

the user sees and interacts with

The View

User

Action

The Controller is the moderator between the view and the model

The Controller

View Model

Update data

NotifyUpdate

UI

Controller

iOS

MVC in Xamarin

View

Model

Controller

MVC in Xamarin

View

Model

Controller

Model is

sharable

iOS

Xamarin.iOS UI is built from Apple’s controls and layout panels, wrapped in

C# by Xamarin

iOS UI

Using native controls gives a native look

and feel

Native UX

UI creation

C#Programmatically

for dynamic UIs

Visual Studio Designer

on Windows or macOS

Xcode Designer

on macOS

Get Started Todayxamarin.com/download

Free self-guided courses

Thank You

@chrisvwyk

chrvaw@microsoft.com

Q&A

Samples available at:

aka.ms/first-ios-with-xamarin