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January 7, 2014 09:31
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Example: GoogleMaps Geolocation
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| html, body, #map-canvas { | |
| height: 100%; | |
| margin: 0px; | |
| padding: 0px | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="Geolocation with GoogleMaps example" /> | |
| <meta charset=utf-8 /> | |
| <title>Geolocation</title> | |
| <meta name="viewport" content="initial-scale=1.0, user-scalable=no"> | |
| <meta charset="utf-8"> | |
| <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=true"> | |
| </script> | |
| </head> | |
| <body> | |
| <p>Geolocation with GoogleMaps</p> | |
| <div id="map-canvas"></div> | |
| </body> | |
| </html> |
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| // Note: This example requires that you consent to location sharing when | |
| // prompted by your browser. If you see a blank space instead of the map, this | |
| // is probably because you have denied permission for location sharing. | |
| var map; | |
| function initialize() { | |
| var mapOptions = { | |
| zoom: 6 | |
| }; | |
| map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions); | |
| // Try HTML5 geolocation | |
| if(navigator.geolocation) { | |
| navigator.geolocation.getCurrentPosition(function(position) { | |
| var pos = new google.maps.LatLng(position.coords.latitude, | |
| position.coords.longitude); | |
| var infowindow = new google.maps.InfoWindow({ | |
| map: map, | |
| position: pos, | |
| content: 'Location found using HTML5.' | |
| }); | |
| map.setCenter(pos); | |
| }, function() { | |
| handleNoGeolocation(true); | |
| }); | |
| } else { | |
| // Browser doesn't support Geolocation | |
| handleNoGeolocation(false); | |
| } | |
| } | |
| function handleNoGeolocation(errorFlag) { | |
| if (errorFlag) { | |
| var content = 'Error: The Geolocation service failed.'; | |
| } else { | |
| var content = 'Error: Your browser doesn\'t support geolocation.'; | |
| } | |
| var options = { | |
| map: map, | |
| position: new google.maps.LatLng(60, 105), | |
| content: content | |
| }; | |
| var infowindow = new google.maps.InfoWindow(options); | |
| map.setCenter(options.position); | |
| } | |
| google.maps.event.addDomListener(window, 'load', initialize); |
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