Book Image

Windows Phone 7.5 Application Development with F#

By : Lohith G N
Book Image

Windows Phone 7.5 Application Development with F#

By: Lohith G N

Overview of this book

Windows Phone is an OS which is also a platform in itself and provides an opportunity for application developers to build their apps and sell them on the Windows Phone Marketplace. Windows Phone is slowly catching up in the race with iOS and Android. Although well suited for scientific and mathematical calculations, the Windows Phone Platform provides an opportunity to program in F#. "Windows Phone 7.5 Application Development with F#"  focuses on making the user aware of Windows Phone App Development with the F# programming language in as short a time as possible. The book teaches you about the development environment, helps you understand the project structure, understand the controls, and ends with some of the cool features of the platform like sensors, launchers, and choosers. The book starts off with enabling the user with the right tools required to start developing. It focuses on getting the IDE ready, and project and item templates. By the end of the book the user will be familiarized with the different aspects of the platform itself. The transition from one chapter to another is short and focused so that you can get to the meat of the topic quickly.

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Windows Phone 7.5 Application Development with F#
Lohith G N
Apr, 2013 | 138 pages
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Table of Contents (16 chapters)
Windows Phone 7.5 Application Development with F#
Windows Phone 7.5 Application Development with F#
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Setting up Windows Phone Development with F#
Setting up Windows Phone Development with F#
What is Windows Phone?
What is F#?
Prerequisites for development
Summary
2
F# Windows Phone Project Overview
F# Windows Phone Project Overview
Windows Phone Project Templates for F#
Summary
3
Working with Windows Phone Controls
Working with Windows Phone Controls
Supported controls in Windows Phone
Summary
4
Windows Phone Screen Orientations
Windows Phone Screen Orientations
Orientation
Summary
5
Windows Phone Gesture Events
Windows Phone Gesture Events
Gestures
Summary
6
Windows Phone Navigation
Windows Phone Navigation
Navigation in Windows Phone
Summary
7
Windows Phone and Data Access
Windows Phone and Data Access
Data sources
8
Launchers and Choosers
Launchers and Choosers
Overview of Launchers and Choosers
Summary
9
Windows Phone Sensors
Windows Phone Sensors
Accelerometer
GPS (location services)
Summary
Index
Index

Accelerometer

An accelerometer is a sensor that can measure the intensity and direction of the acceleration force that the phone experiences. The intensity reading is provided as a decimal value ranging from -1.0 to 1.0 for the X, Y, and Z axes on the phone. This sensor monitors the acceleration force experienced width-wise, length-wise, and depth-wise. In order to detect the direction of force, the X, Y, and Z values must be compared to one another.

Let's create a demo app to understand how to use the accelerometer sensor:

  1. Create a new project of the type F# Windows Phone Application (Silverlight) and give it a name.

  2. Right-click on the App project and add a reference to Microsoft.Devices.Sensors from the list.

  3. In MainPage.xaml, add three text blocks to display the X, Y, and Z reading. The XAML snippet for the same is shown as follows:

    <TextBlock  Height="30" HorizontalAlignment="Left"
        Margin="20,100,0,0" Name="xTextBlock"
            Text="X: 1.0" VerticalAlignment="Top"
       ...
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