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javascripthtmlmobilegpsw3c-geolocation

Is there a 'GPS status changed' event for html5 geolocation?

I'm developing a web app for mobile and using html5's geolocation api.

When the page is loaded I start a watch position:

function enableWatchPosition() {
    if (navigator.geolocation) {
        watchPositionId = navigator.geolocation.watchPosition(locateByBrowser, handleErrorGettingLocation, {
            timeout : 30000,
            enableHighAccuracy : true,
            maximumAge : 1000
        });
    }
}

If a user doesn't have his GPS on, handleErrorGettingLocation is triggered and I show him an error message, asking him to turn GPS on.

My Question is:
Suppose the user then turns his GPS on - how can I detect that (so I could retry and call enableWatchPosition() again)? Is there some sort of js event I can listen to?

Thanks!

Solution

  • There is no such event that’s exposed in a way you could see from your Web-application code. Certainly there is no such event defined in the standard Geolocation API spec. And I don’t believe there are any non-standard events that any browsers expose for it. So I don’t think you’re going to be able to automatically re-trigger a call to your enableWatchPosition() function.

    I’m sure that’s not the answer you were hoping for, but it is the answer. :-(