Cold starts can take up to 15 minutes... Did you wait 15 minutes...
On Sun, Oct 30, 2011 at 11:17 PM, Kenneth WON <[email protected]> wrote: > Hi, lbendlin, > > Thank you for your reply. > I am really facing this issue. > When I turn off the Network (WiFi and/or cell network), the app cannot > obtain (GPS / A-GPS) position. > Then I turn the network on, it can get the (GPS / A-GPS) position > successfully. > What's wrong? > > Thanks and Regards, > Kenneth Won > > > > On 10月31日, 上午8時30分, lbendlin <[email protected]> wrote: >> GPS can work very well without internet access - after it got the first >> fix. The internet access is used to download satellite position data to >> the GPS receiver which speeds up the TTFF (time to first fix). Without the >> extra help the first fix can take quite some time, especially when you are >> already moving. >> >> Go to a location with unobstructed sky view and let the GPS receiver get a >> fix. Then check how it performs on subsequent fixes. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
