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Saturday, February 18, 2017

Framework7 - Preloaders

Description

Preloader in Framework7 is made with Scalable Vector Graphic (SVG) and animated with CSS which makes it easily resizable. Preloader is available in two colors:
  • the default is light background
  • another one is dark background
You can use preloader class in your HTML as shown below:

Example

The below example demonstrates the use of preloader in the Framework7:
<!DOCTYPE html>
<html>
   <head>
      <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no, minimal-ui">
      <meta name="apple-mobile-web-app-capable" content="yes">
      <meta name="apple-mobile-web-app-status-bar-style" content="black">
      <title>Panel Events</title>
      <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.min.css">
      <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/css/framework7.ios.colors.min.css">
   </head>
   <body>
      <div class="views">
         <div class="view view-main">
            <div class="pages">
               <div data-page="home" class="page navbar-fixed">
                  <div class="navbar">
                     <div class="navbar-inner">
                        <div class="left"> </div>
                        <div class="center">Framework7 Preloader</div>
                        <div class="right"> </div>
                     </div>
                  </div>
                  <div class="page-content">
                     <div class="content-block row">
                        <div class="col-25"><span class="preloader"></span><br>Default Preloader</div>
                        <div class="col-25 col-dark"><span class="preloader preloader-white"></span><br>White Preloader</div>
                        <div class="col-25"><span style="width:42px; height:42px" class="preloader"></span><br>Big Preloader</div>
                        <div class="col-25 col-dark"><span style="width:42px; height:42px" class="preloader preloader-white"></span><br>White Preloader</div>
                     </div>
                  </div>
               </div>
            </div>
         </div>
      </div>
      <style>.col-25{padding:5px;text-align:center;}.col-dark{background:#222;}</style>
      <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/framework7/1.4.2/js/framework7.min.js"></script>
      <script>
         var myApp = new Framework7();
      </script>
   </body>
</html>

Output

Let's carry out the following steps to see how above code works:
  • Save above HTML code as preloader.html file in your server root folder.
  • Open this HTML file as http://localhost/preloader.html and output as below gets displayed.
  • This code displays the preloader indicator which is made with SVG and animated with CSS.
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