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JavaScript Mobile Application Development

You're reading from  JavaScript Mobile Application Development

Product type Book
Published in Oct 2014
Publisher
ISBN-13 9781783554171
Pages 332 pages
Edition 1st Edition
Languages
Toc

Table of Contents (15) Chapters close

JavaScript Mobile Application Development
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. An Introduction to Apache Cordova 2. Developing Your First Cordova Application 3. Apache Cordova Development Tools 4. Cordova API in Action 5. Diving Deeper into the Cordova API 6. Developing Custom Cordova Plugins 7. Unit Testing the Cordova App's Logic 8. Applying it All – the Mega App Index

Compass


The compass plugin provides access to the device's compass in order to detect the direction (heading) that the device is pointed to (the compass measures the heading in degrees from 0 to 359.99, where 0 represents north). In order to use the compass in our Apache Cordova project, we need to use the following cordova plugin add command:

>cordova plugin add https://git-wip-us.apache.org/repos/asf/cordova-plugin-device-orientation.git

Demo

In order to access the compass demo, you need to click on the Compass list item. You will be introduced to the Compass page. Then, you can click on the Start Watch Heading button in order to start watching the compass heading. You will be able to get the heading value, as shown in the following screenshot:

The Compass page in action

You can click on the Stop Watch Heading button to stop watching the compass heading at any time.

The HTML page

The following code snippet shows the "compass" page:

<div data-role="page" id="compass">
    <div data...
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