Responsive Media in HTML5
By Alex Libby
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About this ebook
Rapid growth in the use of mobile devices to access the Internet has forced designers to adapt to creating content that is easily viewable on a wide range of different devices. The key is to make images and videos responsive to the platform used, enabling them to be resized automatically when displayed on mobile devices or desktops.
This book is a fast-paced, hands-on guide that shows you how to apply some simple techniques to add images and video content to your site, which may be a simple, one-page portfolio, or a complex content management system. The book starts with showing you how to display images. You will learn about browser support and different platforms, and alternatives for high- and low-resolution images. Moving on, the book covers techniques to add responsive video content. You will get to know about adding images and videos and test the media using online sites and tools. The book also explains the use of plugins and responsive frameworks.
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Responsive Media in HTML5 - Alex Libby
Table of Contents
Responsive Media in HTML5
Credits
About the Author
About the Reviewers
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Support files, eBooks, discount offers, and more
Why subscribe?
Free access for Packt account holders
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Downloading the color images of this book
Errata
Piracy
Questions
1. Working with Responsive Images
Getting started
Beginning with fluid images
Catering to vendor prefixes and image formats
Catering to different platforms
Catering to HD or retina images
Using sprites to display responsive images
Determining the available viewport for use
Using CSS to set our viewport
Getting the viewport using JavaScript
Working out media queries
Using pure JS to determine page breakpoints
Using data tags to allow bandwidth constraints
Working with the
Maintaining the
Working with the SVG image format for scalability
Using image icons for scalability
Building a responsive carousel
Creating responsive maps using Google Maps
Summary
2. Adding Responsive Video Content
Getting ready
Determining support for
Choosing the right format
Embedding HTML5 video content
Determining an available viewport for use
Catering to fallback support
Using JS libraries to provide support
Catering to different platforms
Allowing for vendor prefixes
Displaying full-size videos
Summary
3. Mixing Content
Mixing video and image content on the same page
Considering the pitfalls of mixing content
Using preloaders to reduce delays
Adding lazy loading support to our pages
Making allowances for mobile devices
Creating responsive images automatically
Automating the shrinking process
Summary
4. Testing Responsive Media
A starting point for testing
Using Google Chrome or Opera
Using Firefox
Using Internet Explorer
Considering pitfalls of responsive testing
Testing responsive sites with online tools
Using tools to determine speed
Analyzing results
Digging further into the code
Revealing all
Fixing the problem
Summary
5. Using Frameworks
Introducing our three examples
Adding responsive media to a CMS
Adding responsive media manually
Fixing a responsive issue
Using plugins to add responsive images
Adding responsive videos using plugins
Using plugins to embed videos
Implementing responsive media in Bootstrap
Using Bootstrap's CSS classes
Using Less CSS to create responsive content
Working through the code in detail
Transferring to production use
Summary
Index
Responsive Media in HTML5
Responsive Media in HTML5
Copyright © 2014 Packt Publishing
All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.
Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.
Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.
First published: December 2014
Production reference: 1201214
Published by Packt Publishing Ltd.
Livery Place
35 Livery Street
Birmingham B3 2PB, UK.
ISBN 978-1-84969-696-8
www.packtpub.com
Credits
Author
Alex Libby
Reviewers
Tristan Denyer
Vaibhav Kanwal
Marija Zaric
Acquisition Editors
Harsha Bharwani
James Jones
Content Development Editor
Rohit Kumar Singh
Technical Editors
Pragnesh Bilimoria
Shruti Rawool
Copy Editor
Laxmi Subramanian
Project Coordinator
Mary Alex
Proofreaders
Simran Bhogal
Maria Gould
Ameesha Green
Indexer
Monica Ajmera Mehta
Production Coordinator
Nilesh R. Mohite
Cover Work
Nilesh R. Mohite
About the Author
Alex Libby has a background in IT support. He has been involved in supporting end users for the last 18 years in a variety of different environments and currently works as a technical analyst, supporting a medium-sized SharePoint estate for an international parts distributor based in the UK. Although he gets to play with different technologies in his day job, his first true love has always been the open source movement, in particular, experimenting with CSS/CSS3 and HTML5. So far, he has written several books for Packt Publishing, including one on HTML5 video and another on the jQuery UI. This is his eighth book.
I'd like to thank family and friends for their help and encouragement and the reviewers for providing lots of constructive comments—without them, I am sure I wouldn't have been able to produce this book!
About the Reviewers
Tristan Denyer is a UX designer for web and mobile, including web apps and portals, e-commerce, online video players and widgets, games (online, iPhone, and board), marketing sites, and more. He's also a UI developer and a WordPress theme developer. He is currently leading the UX/UI for the product team at a start-up in San Francisco. He recently wrote A Practical Handbook for WordPress Themes, CreateSpace Independent Publishing Platform to help owners and operators of self-hosted WordPress websites get the most out of their themes.
His passions include prototyping, web security, writing, carpentry, burritos, and maintaining his popular jQuery plugin on GitHub that helps duplicate a section of a form. He can be found on Twitter at @tristandenyer and on GitHub at https://github.com/tristandenyer, and he blogs at http://tristandenyer.com/.
Marija Zaric is a web designer living in Belgrade with a focus on individual and commercial clients who demand websites that are clear, modern, creative, simple, and responsive. She works with clients from the USA and all over the world, helping them present their services in a unique yet professional way.
Years ago, she started experimenting with Dreamweaver, CSS, and XHTML. She became very fond of coding and retro design. This influenced her to create her first website and achieve subsequent successes. Today, she is a relentless learner. What she loves the most about web design is the constant changes in the field, especially its evolution in the last 3 years when she got inspired by its simplicity, great images, typography, and the possibility to optimize a single website for various devices.
She redesigned and incorporated these styles into her own website and called it Creative Simplicity. With the development of HTML5, she made free templates that are used all over the world in order to advertise her work and share the knowledge. She predicts that in 2015, flat and modern web design will be here to stay, supported by nice photography, responsive design, and strong typography. Her projects can be found at http://www.marijazaric.com/ and http://creativesimplicitywebstudio.com/.
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Preface
Take a straw poll of one hundred users and it is likely you will find that a good proportion have viewed the Internet from a mobile device at some point in the past. Use of these devices to access the Internet has exploded massively over the last few years. This has highlighted the need to design sites that work well on a variety of different devices and platforms.
First coined as a term by Ethan Marcotte back in 2010, responsive web design is the art of designing such sites. A key element of responsive web design is the addition of images and videos. Throughout this book, we're going to take a look at the tips and tricks you need to get ahead in adding responsive media to your sites. We'll see how the lack of a common W3C standard means the field is wide open for different solutions and that catering for different platforms means understanding their limits and making suitable allowances for each type of device.
We'll work through a number of practical examples, with both images and videos, and see the importance of testing both to ensure your content displays as expected on any device. We'll then make use of some of the tips and tricks in several real-world examples, using popular frameworks such as WordPress or Less CSS—you'll see that adding responsive media isn't actually that complicated!
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