Building a Twitter App with Silverlight 3 - Part 1

by Clint Edmonson on Dec 08, 2009

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In this session, we cover what Microsoft Silverlight is and explain how you can capitalize on its capabilities to easily create browser-based applications. Join us to see the powerful media and graphics capabilities Silverlight offers, and the compelling Web sites that have been created with it. Silverlight also has strong data capabilities, making it attractive for building line-of-business (LOB) applications. In this first of two sessions on building a Twitter application in Silverlight 3, we provide a quick overview of the Silverlight platform and then get hands on by putting together an application that consumes server-side data and contains some simple navigation.

Presenter: Clint Edmonson, Senior Architect Evangelist, Microsoft Corporation

Clint Edmonson is an architect evangelist in the Microsoft North Central district, working with aspiring and seasoned architects to understand the latest Microsoft developer and platform offerings and to develop strategic road maps for their adoption.

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Building a Twitter App with Silverlight 3 - Part 1 — Presentation Transcript

Building a Twitter App with Silverlight 3
Clint Edmonson
Developer Evangelist
clinted@microsoft.com
www.notsotrivial.net
Part 1

Introduction
Session Objectives
Learn about the features available in Silverlight
Gain techniques for getting started and using Silverlight in your site
Agenda
What is Silverlight?
Navigation Applications
Database access
Web Services

What is RIA and Silverlight?

Rich Internet Applications (RIA)
Vector graphics and animation
Client side storage
Video and audio playback
Silverlight
Based on WPF
.NET Framework
Develop using Visual Studio

Silverlight Versions
Silverlight 1.0
Shipped September 2007
XAML rendering and JavaScript API
Silverlight 2
Shipped October 2008
XAML enhancements, .NET Framework, C#
Silverlight 3
Shipped July 2009
Lots of UX enhancements and more
Silverlight 4
Details are starting to emerge

The Silverlight Plug-in
Runs on PC and Intel Macs (Linux with Moonlight)
Supports IE, Firefox, Safari
Under 5 MB download
Installs in seconds

CoreCLR and BCL
CoreCLR
Silverlight’s version of the Common Language Runtime
Based on the desktop CLR
Runs on Mac
Does not require the desktop .NET Framework to be installed
Silverlight Base Class Library (BCL)
Trimmed down, What’s there works the same

XAML
Similar to HTML in concept
Language independent
Strong support for data binding
Designer tool friendly
<Canvas Width="300" Height="300"
xmlns="http://schemas.microsoft.com/client/2007"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Ellipse Canvas.Left="20" Canvas.Top="20"
Height="200" Width="200"
Stroke="Black" StrokeThickness="10" Fill="Yellow" />
<Ellipse Canvas.Left="80" Canvas.Top="80"
Height="35" Width="25" Stroke="Black" Fill="Black" />
<Ellipse Canvas.Left="140" Canvas.Top="80"
Height="35" Width="25" Stroke="Black" Fill="Black" />
<Path Data="M 70, 150 A 60, 60 0 0 0 170, 150"
Stroke="Black" StrokeThickness="15"
StrokeStartLineCap="Round" StrokeEndLineCap="Round" />
</Canvas>

Naming XAML Elements
Uses the x:Name syntax
Helps to access elements from code
Generates code in InitializeComponent() method
<Rectangle Canvas.Left="50" Canvas.Top="50" Fill="Yellow"
Width="300" Height="200" Stroke="Black" StrokeThickness="10"
x:Name="YellowRect" />

Silverlight Navigation

New for Silverlight 3
Navigation project template
Pages and Frames
UriMapper
Deep Linking

Silverlight Navigation Application
DEMO

Data Access

Web Services(WCF/SOAP/REST)
Raw TCP/IP Sockets
HttpWebRequest/WebClient
JSON and XML parsing
RSS
HTML DOM Bridge

ASP.NET Data Integration

WCF SOAP Services
ADO.NET Data Services
.NET RIA Services

ADO.NET Data Services
DEMO

Cross Domain Requests

Http requests require clientaccesspolicy.xml or crossdomain.xml in root of remote site.
Can work around by calling through Javascript - not recommended
Create proxy to funnel requests through

Web Services
DEMO

Resources

Slides & Code:

www.notsotrivial.net

Silverlight Development Center

http://www.silverlight.net/

© 2008 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

Building a Twitter App with Silverlight 3 - Part 1

by Clint Edmonson on Dec 08, 2009

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Building a Twitter App with Silverlight 3 - Part 1 — Presentation Transcript