Bobbie wrote:
> I've posted with no help, please help me out. I am trying to figure
> out how to get the GPS location of my device. However, when I use the
> code below (see "CODE TO GET LOCATION") my Android application
> crashes.
And the error message is...what?
It is difficult to tell you what a crash means without the Java traceback.
You can get this from DDMS or adb logcat.
> LocationManager lM = (LocationManager)
> getSystemService(Context.LOCATION_SERVICE);
> LocationProvider lP = lM.getProvider("gps");
> Location loc = lM.getLastKnownLocation(lP.getName());
At this point, loc is probably null.
> Do I have to somehow tell the GPS to try to get a fix?
Yes. The device does not keep the GPS radios on all the time, otherwise
battery life would be worse than it already is. :-(
Try using requestLocationUpdates(). It still may take a while for you to
get a fix -- I ran a test yesterday and it took ~15 seconds from the
time my app started until a fix was ready.
This, of course, assumes your device is configured to allow GPS access
at all:
Settings > Security & Location > Enable GPS satellites
--
Mark Murphy (a Commons Guy)
http://commonsware.com
_The Busy Coder's Guide to Android Development_ Version 1.4 Published!
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