HTML5: Unterschied zwischen den Versionen
Aus Wikizone
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== HTML5 - Geolocation == | == HTML5 - Geolocation == | ||
=== Links === | === Links === | ||
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</pre> | </pre> | ||
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| + | == HTML5 Vektorgrafik == | ||
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| + | http://raphaeljs.com/ | ||
Version vom 22. Oktober 2014, 11:58 Uhr
HTML5 - Geolocation
Links
http://developersmix.wordpress.com/2011/08/16/html5-geolocation/
http://web.drsni.com/html5-geolocation/
http://mobile.tutsplus.com/tutorials/mobile-web-apps/html5-geolocation/
http://aiminstitute.org/blog/2010/07/basic-geolocation-in-html5/
http://www.mozilla.com/en-US/firefox/geolocation/
HTML 5 - allgemeines
HTML 5 Snippets
Grundgerüst
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta content='IE=8' http-equiv='X-UA-Compatible'>
<title></title>
<meta name="viewport" content="width=device-width">
<!-- favicon.ico und apple-touch-icon.png in der root -->
<link rel="stylesheet" href="css/stylesheet.css">
<!--[if lt IE 9]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
</head>
<body>
</body>
</html>
Position des Nutzers bestimmen mit HTML5 und Google Gears als Fallback
siehe auch Google Maps
mehr und bessere Beispiele unter HTML5 - Geolocation
// Note that using Google Gears requires loading the Javascript
// at http://code.google.com/apis/gears/gears_init.js
var initialLocation;
var siberia = new google.maps.LatLng(60, 105);
var newyork = new google.maps.LatLng(40.69847032728747, -73.9514422416687);
var browserSupportFlag = new Boolean();
function initialize() {
var myOptions = {
zoom: 6,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
// Try W3C Geolocation (Preferred)
if(navigator.geolocation) {
browserSupportFlag = true;
navigator.geolocation.getCurrentPosition(function(position) {
initialLocation = new google.maps.LatLng(position.coords.latitude,position.coords.longitude);
map.setCenter(initialLocation);
}, function() {
handleNoGeolocation(browserSupportFlag);
});
// Try Google Gears Geolocation
} else if (google.gears) {
browserSupportFlag = true;
var geo = google.gears.factory.create('beta.geolocation');
geo.getCurrentPosition(function(position) {
initialLocation = new google.maps.LatLng(position.latitude,position.longitude);
map.setCenter(initialLocation);
}, function() {
handleNoGeoLocation(browserSupportFlag);
});
// Browser doesn't support Geolocation
} else {
browserSupportFlag = false;
handleNoGeolocation(browserSupportFlag);
}
function handleNoGeolocation(errorFlag) {
if (errorFlag == true) {
alert("Geolocation service failed.");
initialLocation = newyork;
} else {
alert("Your browser doesn't support geolocation. We've placed you in Siberia.");
initialLocation = siberia;
}
map.setCenter(initialLocation);
}
}
