text: // Initialize app
  var myApp = new Framework7();
  
  
  // If we need to use custom DOM library, let's save it to $$ variable:
  var $$ = Dom7;
  
  // Add view
  var mainView = myApp.addView('.view-main', {
      // Because we want to use dynamic navbar, we need to enable it for this view:
      dynamicNavbar: true
  });
  
  // Handle Cordova Device Ready Event
  $$(document).on('deviceready', function() {
      console.log("Device is ready!");
  });
  
  
  // Now we need to run the code that will be executed only for About page.
  
  // Option 1. Using page callback for page (for "about" page in this case) (recommended way):
  myApp.onPageInit('about', function (page) {
      // Do something here for "about" page
  
  })
  
  // Option 2. Using one 'pageInit' event handler for all pages:
  $$(document).on('pageInit', function (e) {
      // Get page data from event data
      var page = e.detail.page;
  
      if (page.name === 'about') {
          // Following code will be executed for page with data-page attribute equal to "about"
          myApp.alert('Here comes About page');
      }
  })
  
  // Option 2. Using live 'pageInit' event handlers for each page
  $$(document).on('pageInit', '.page[data-page="about"]', function (e) {
      // Following code will be executed for page with data-page attribute equal to "about"
      myApp.alert('Here comes About page');
      callScan();
  })
  
  function callScan() {
      try {
        rfidscanner.scan(winScan, failScan);
      } catch(err) {
        alert("Error: " + err);
      }
  }
  
  var winScan = function (result) {
                    if (!result.cancelled) {
                        var v = "";
                        for(var i = 0; i < result.tags.length; i++) {
                            v += result.tags[i] + "\n";
                        }
                        document.getElementById('epcs').value = v;
                    } else {
                        alert("Leitura Cancelada.");
                    }
                };
  
  var failScan = function (error) {
                     alert("Scanning failed: " + error);
                 };