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PhoneGap By Example

You're reading from   PhoneGap By Example Use PhoneGap to apply web development skills and learn variety of cross-platform mobile applications

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Product type Paperback
Published in Aug 2015
Publisher
ISBN-13 9781785285318
Length 368 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. Installing and Configuring PhoneGap FREE CHAPTER 2. Setting Up a Project Structure with Sencha Touch 3. Easy Work with Device – Your First PhoneGap Application "Travelly" 4. Integrating the Travelly Application with Custom Service 5. Crazy Bubbles - Your First HTML5 Mobile Game 6. Share Your Crazy Bubbles Game Result on Social Networks 7. Building a Real-time Communication Application – Pumpidu 8. Building "Imaginary" – An Application with Instagram-like Image Filters 9. Testing the PhoneGap Application 10. Releasing and Maintaining the Application Index

What is HTML5 Canvas?

Canvas is the same HTML tag as the others. However, to work with all the possibilities of canvas, we need to use JavaScript. We need to place the <canvas> tag on the page in the body section. We then need to access its context with JavaScript and do some drawings on it, almost like painting a real picture.

There is a difference between the canvas element and the canvas context. Context is an object that provides methods to draw on the canvas. Canvas can have two types of context: 2D or WebGL (3D).

Let's look onto one example of the HTML5 Canvas usage:

<!DOCTYPE HTML>
<html>
  <head>
    <style>
      body {
        margin: 0px;
        padding: 0px;
      }
    </style>
  </head> 
  <body>
    <canvas id="gameCanvas" width="578" height="200"></canvas>
    <script>
      var canvas = document.getElementById('gameCanvas');
      var context = canvas.getContext...
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