Book Image

Windows Phone 7 Silverlight Cookbook

By : Jonathan Marbutt, Robb Schiefer
Book Image

Windows Phone 7 Silverlight Cookbook

By: Jonathan Marbutt, Robb Schiefer

Overview of this book

Silverlight has revolutionized development using Microsoft technologies. It is an excellent tool for mobile application development. The XAML-based markup and familiar C# code are the perfect combination for building apps efficiently and with minimum hassle.Packed full of recipes containing comprehensive instructions for the tasks required to build modern compelling smartphone apps using Silverlight.Starting with application design and architecture, you will quickly move on to more technical features and APIs you can implement to make your app stand out. You will use the Camera API to scan barcode, location services to pinpoint the user’s GPS coordinates and accelerometer to provide feedback based on movement of the phone. All of these features can be provided in a slick user interface through the power of Silverlight. Animations, behaviors and XAML provide all you need and more.

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Windows Phone 7 Silverlight Cookbook
Jonathan Marbutt | Robb Schiefer
Aug, 2011 | 304 pages
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Table of Contents (18 chapters)
Windows Phone 7 Silverlight Cookbook
Windows Phone 7 Silverlight Cookbook
Credits
Credits
Foreword
Foreword
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Layout and Design
Layout and Design
Introduction
Downloading the tools
Understanding the tools
Creating simple navigation
Using Positioning controls
Discovering the various input controls
ViewStateManager introduction
Understanding the panorama control
Using the pivot control
2
Creating Animation
Creating Animation
Introduction
Using ViewStateManager to create simple animations
The basics of timelines
Using timelines for feedback to users
3
Behaviors and Events
Behaviors and Events
Introduction
Understanding events
Understanding basic behaviors
Custom behavior
Physics engine behavior
4
DataBinding 101/MVVM
DataBinding 101/MVVM
Introduction
A case for MVVM
Creating a simple model
Creating a ViewModel
Creating a view
Element-to-element binding
5
Services, Data, and RSS
Services, Data, and RSS
Introduction
Creating a WCF service to access a SQL database
Using a WCF service in a Windows Phone application
Building a simple RSS reader
6
Location Services
Location Services
Introduction
Tracking latitude and longitude
Tracking altitude, speed, and course
7
Push Notifications to the Phone
Push Notifications to the Phone
Introduction
Updating the tile background without push
Creating a service to send notifications
Registering for push notifications
Creating a notifications helper
8
Launchers and Choosers
Launchers and Choosers
Introduction
Automating e-mails
9
Sensing with Sensors
Sensing with Sensors
Introduction
Orienting your app
10
Preparing Apps for the Marketplace
Preparing Apps for the Marketplace
Introduction
Configuring capabilities
Index
Index

Creating a ViewModel

Now that we have our Model, it is time to do something with it. In the ViewModel, we will introduce several important concepts that are needed to begin implementing interactivity with our database and the UI. The key to the ViewModel is to think of it as the gatekeeper between your model, data, and your UI. It should be responsible for all interactions to get the data from your database or web service.

By creating a simple ViewModel, you will produce an easy to maintain layer of code for your application. It also gives you the ability to reuse the ViewModel with other views and keep the same functionality.

Getting ready

In our current BandTour project, we will create a folder called ViewModels. We will then create a class called BandViewModel.cs. This class will be responsible for creating the simple list of bands and concerts.

How to do it...

The first thing we want to add to our BandViewModel.cs is the initialization method that will create the data. For this example,...

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