Thursday, September 22, 2011

Geolocation in HTML 5

Ok, so it’s not actually part of HTML 5 (the spec), but conceptually at least it’s definitely part of HTML 5 (the brand).

So what’s actually involved. Hmm. OH MY GOD IS IT THAT EASY !?
function showMap(position) {
// Show a map centered at (position.coords.latitude, position.coords.longitude).

// One-shot position request.

[from the W3 geolocation spec]

So you just rock up to and ...

Holy crap. I won’t show you the resulting map because it shows where I live. What’s really freaky about that is this netbook doesn’t have a GPS. So either Windows 7 or IE 9 has fallen back to IP-based location inference, and somehow still got me only one house out.

I’m totally freaked out.

Anyway, the point of all this is that IE 9 is the browser for Windows Phone 7.5 (Mango), which – if it actually supports this API (and Wikipedia says yes it does) - means you can write location-aware mobile apps targeting Mango without having to ‘go native’. And for the demo I want to put together, this can only be a good thing...

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