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Enclosed in this article you will also find a full implemented widget and the respective source code to download.
User Satisfaction and Data Traffic
- reduce application startup time;
- minimize data traffic;
- improve the user experience when it comes to mobile data traffic expenses;
- improve the user experience inducing flow;
Hide and Show div elements
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<link rel="stylesheet" href="basic.css" type="text/css">
<META NAME="Generator" CONTENT="Nokia WRT plug-in for Aptana Studio 2.0.0" />
// Hide the button div
var div_load = document.getElementById("div-load");
div_load.style.display = "none";
// Show the map div
var div_map = document.getElementById("div-map");
div_map.style.display = "block";
// Dynamic load the script
The loadScript function is called to dynamic load the Google Maps API. The callback function at the end of the url is used to asynchronous create a GMap2 object.
var script = document.createElement("script");
script.src = "http://maps.google.com/maps?file=api&v=2.x&key=YOUR-API-KEY&async=2&callback=loadMap";
Event callback used to create a Map
The function loadMap is executed after the load of Google Maps API. It creates a GMap2 object at the "div-map".
// create the map object
var map = new GMap2(document.getElementById("div-map"));
// set the center of the map
map.setCenter(new GLatLng(43.7430739, 7.4307509), 6);
// add a marker at the center
Media:RuntimeLibraries.wgz (from www.felipeandrade.org/exemplos/RuntimeLibraries.wgz)
- (1) Mihaly Csikszentmihalyi,Finding Flow:The Psychology of Engagement with Everyday Life(New York:Basic Books, 1997),29.
- (2) Mihaly Csikszentmihalyi,Beyond Boredom and Anxiety:Experiencing Flow in Work and Play (1975;reprint,with a Preface by Mihaly Csikszentmihalyi,San Francisco:Jossey-Bass,2000),36.
--Felipe Andrade 17:03, 14 June 2009 (EEST)