first location is incorrect

Question

I am using the Flex geolocation interface on an Android phone indoors (without GPS reception), and the first location update I get appears to be the last known GPS location. Subsequent location updates based on WiFI are correct. Each time I exit and return to the application, the same location appears first, despite the newer, correct WiFi locations. Is there a way to eliminate this behavior? It would be better to say the location is not yet known than to give back an old incorrect location.

Phil Flash · Accepted Answer

Hi,This is a known problem and it's documented.For more details, see:Geolocation tips, quirks, and possible bugs (flash.sensors.Geolocation)http://www.gregsramblings.com/2011/09/08/geolocation-tips-quirks-bugs-flash-actionscript/"The first location event received is usually NOT the current location. It is often the “last known location” or the cached location."and the documentation (Update event) :http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/sensors/Geolocation.html"Note: AIR dispatches the first event immediately if the device has a last known location; your code must be aware that the initially dispatched event may not contain the current location."Philippe

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