How to get the latitude and longitude of current geo position
using HTML5 in mobile web and PC web (Map view) ??
This is one of the task in my recent completed project. The
following code works very nice in detecting current location in all types of mobile web and
pc web. This snippet may help you . . . !
*Concentrate on geolocation tracing and mobile browser detection functionality.
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<!DOCTYPE:html>
<html>
<head>
<title>Geolocation
Example</title>
<meta
name="viewport" content="initial-scale=1.0, user-scalable=yes"
/>
</head>
<body>
<div id="map"></div>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=true"></script>
<script type="text/javascript">
detectBrowser();
initGoogleMap();
getLocation();
// Detect support and request the current location.
function getLocation()
{
if (
navigator.geolocation )
{
navigator.geolocation.getCurrentPosition(handlePosition,
handleError);
}
else
{
alert("Sorry,
geolocation is not supported.");
}
}
// Receives a successful geolocation response.
function handlePosition(pos)
{
//
Center the map on the current location
latlng
= new google.maps.LatLng(pos.coords.latitude, pos.coords.longitude);
map.setCenter(latlng);
// Drop
a marker on the current location
marker
= new google.maps.Marker
({
map:
map,
draggable:
false,
animation:
google.maps.Animation.DROP,
position:
latlng
});
}
// Receives and display geolocation request error.
function handleError(error)
{
switch
(error.code)
{
case
error.PERMISSION_DENIED:
alert('Permission
was denied');
break;
case
error.POSITION_UNAVAILABLE:
alert('Position
is currently unavailable.');
break;
case
error.PERMISSION_DENIED_TIMEOUT:
alert('User
took to long to grant/deny permission.');
break;
case
error.UNKNOWN_ERROR:
alert('An
unknown error occurred.')
break;
}
}
// Initialize and display the google map in the element with
id "map"
function initGoogleMap()
{
options
=
{
zoom:
10,
mapTypeId:
google.maps.MapTypeId.ROADMAP
};
map =
new google.maps.Map(document.getElementById("map"), options);
}
// Detect the current browser and display full screen for
Android / iPhone
function detectBrowser()
{
var
userAgent = navigator.userAgent;
var
mapDiv = document.getElementById("map");
if
(userAgent.indexOf('iPhone') != -1 || userAgent.indexOf('Android') != -1 )
{
mapDiv.style.width
= '100%';
mapDiv.style.height
= '100%';
}
else
{
mapDiv.style.width
= '600px';
mapDiv.style.height
= '800px';
}
}
</script>
</body>
</html>
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