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Responsive Web design _2013


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Responsive Web design _2013

  1. 1. Responsive Web Design Suresh 160210733317
  3. 3. History
  4. 4. History • May 2010 article in A List Apart. Described the theory and practice of responsive web design in brief 2011 book titled Responsive Web Design. Responsive design was listed as #2 in Top Web Design Trends for 2012 by .net magazine after progressive enhancement at #1.
  5. 5. Definition • Responsive Web Designing is a small principle of scaling a size of screen in percentages, works based on simple principles of Grid Layout’s, Flexible Images, Flexible Video’s and simple css3 and extension of Media Queries
  6. 6. Why We Need RWD….?
  7. 7. The total number of people using the web on mobile devices is set to surpass desktops by 2015. INTERNATIONAL DATA CORPORATION (IDC)
  8. 8. How do we cope with users having a range of different size devices?
  9. 9. 1.Separate UI Design 2.Separate URL 3.Images 4.Video’s 5.Money Mobile Web Sites
  10. 10. Very expensive. Native App’s
  11. 11. ->methods are not completely reliable unless used in conjunction with a device capabilities database ->HTML and CSS features are supported User Agent Detection
  12. 12. Solution…….?
  13. 13. Ethan Marcotte
  14. 14. How it works…….?
  15. 15. Basic Principles 1.The Flexible Grid Layouts 2.Flexible Images 3.Flexible Videos 4.Media Queries Well, We need only 4 ingredients for this….
  16. 16. The fluid grid concept calls for page element sizing to be in relative units like percentages, rather than absolute units like pixels or points. Flexible Grid Layouts In graphic design, a grid is a structure (usually two-dimensional) made up of a series of intersecting straight (vertical, horizontal, and angular) or curved guide lines used to structure content
  17. 17. target ÷ context × 100 = percentage target- Require Amount Of Space. context- Total Page/Grid We Have Flexible Grid Layouts
  18. 18. Flexible Grid Layouts MENU 215/960*100=22.395833333% CONTENT AREA 685/960*100=71.354166666% INSET SLIDEBAR 215/685*100=31.3868613333% 20px margin for the Menu and Content Area: 20/960 × 100 = 2.0833333333% 20px margin for the Inset Sidebar: 20/685 × 100 = 2.9197080292%
  19. 19. Flexible Grid Layouts
  20. 20. Flexible images are also sized in relative units, so as to prevent them from displaying outside their containing element First discovered by designer Richard Rutter, this one rule immediately provides an incredibly handy constraint for every image in our document. Now, our img element will render at whatever size it wants, as long as it’s narrower than its containing element. But if it happens to be wider than its container, then the max-width: 100% directive forces the image’s width to match the width of its container Flexible Images
  21. 21. Flexible Images file:///D:/edu/4.1/seminor/rw d/images/ /imagetest/index.html file:///D:/edu/4.1/seminor/rw d/rwd/ Img { width:100%; } } #container{ width:600px; margin-right:auto; margin-left:auto; } #left-column{ width:420px; float:left; background:red; } #right-column{ width:180px; float:right; background:green; } @media screen and(max-width: 590px) { #container{ width:100%; } #left-column{ width:70%; background:red;} #right-column{ width:30%; background:green; } img{ width:100%; } }
  22. 22. Flexible Video Similar situation as images, but maintaining proper proportions is a problem. A lightweight, easy-to-use Jquery plugin for fluid width video embeds jQueries a fast, small, and feature-rich javaScript library. It makes things like html document traversal and manipulation, event handling, animation and Ajax much simpler with an easy-to-use API that works across a multitude of browsers
  23. 23. Flexible Video img, embed, object, video { width: 100%; } .video iframe, .video object, .video embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
  24. 24. Media Queries Media queries allow the page to use different CSS style rules based on characteristics of the device the site is being displayed on, most commonly the width of the browser. Media Queries is a CSS3 module allowing content rendering to adapt to conditions such as screen resolution (e.g. smartphone vs. high definition screen). When a media query is true, the corresponding style sheet or style rules are applied, following the normal cascading rules. Here is a simple example: @media screen and (min-width:500px) { ... }
  25. 25. Media Queries @media all and (max-width: 1024px) {...} Common Media Query Conditions min-‐device-‐width or min-‐device-‐height Applied if the device screen is equal to or greater than this value max-‐device-‐width or max-‐device-‐height Applied if the device screen is equal to or less than this value
  26. 26. What web browsers support CSS3 media queries?
  27. 27. Depends on CSS3 JAVASCRIPT
  28. 28. BROWSER SUPPORT Responsive design is supported by 70-80% of today’s web devices
  29. 29. How many mobile browsers support CSS3 media queries?
  30. 30. Many websites are using responsive design to target mobile devices
  31. 31. Semantic Grid System Golden Grid System Inuit.Css TOOLS
  32. 32. state-of-responsive-web-design/ web-design Need More Information………?
  33. 33. Queries………?