Exactly my point. When the GPS is on it returns null for the location, but if the GPS is off then the cell phone tower location works fine. Is there any way that I can set my app to triangulate using only the cellphone network?
Thanks On Thu, Jul 7, 2011 at 5:58 PM, Mark Murphy <[email protected]> wrote: > How are you getting that Location that is null? > > On Thu, Jul 7, 2011 at 8:18 AM, Raghav Sood <[email protected]> wrote: > > Hi all > > I wrote an app that gets and displays your location on a map. I am using > the > > Google Maps service to render the map. The app has been live for less > than > > two hours and I have received 33 crash reports (using ACRA). > > I have been able to recreate the problem. The app works fine if the GPS > is > > off but if it is switched on the app force closes. > > The stack trace reads: > > java.lang.NullPointerException > > at > com.raghavsood.findme.MyPositionOverlay.draw(MyPositionOverlay.java:37) > > at com.google.android.maps.Overlay.draw(Overlay.java:179) > > at com.google.android.maps.OverlayBundle.draw(OverlayBundle.java:45) > > at com.google.android.maps.MapView.onDraw(MapView.java:494) > > at android.view.View.draw(View.java:6818) > > at android.view.ViewGroup.drawChild(ViewGroup.java:1640) > > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) > > at android.view.ViewGroup.drawChild(ViewGroup.java:1638) > > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) > > at android.view.View.draw(View.java:6821) > > at android.widget.FrameLayout.draw(FrameLayout.java:354) > > at android.view.ViewGroup.drawChild(ViewGroup.java:1640) > > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) > > at android.view.ViewGroup.drawChild(ViewGroup.java:1638) > > at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1367) > > at android.view.View.draw(View.java:6821) > > at android.widget.FrameLayout.draw(FrameLayout.java:354) > > at > > > com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1944) > > at android.view.ViewRoot.draw(ViewRoot.java:1432) > > at android.view.ViewRoot.performTraversals(ViewRoot.java:1174) > > at android.view.ViewRoot.handleMessage(ViewRoot.java:1752) > > at android.os.Handler.dispatchMessage(Handler.java:99) > > at android.os.Looper.loop(Looper.java:123) > > at android.app.ActivityThread.main(ActivityThread.java:4632) > > at java.lang.reflect.Method.invokeNative(Native Method) > > at java.lang.reflect.Method.invoke(Method.java:521) > > at > > > com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858) > > at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) > > at dalvik.system.NativeStart.main(Native Method) > > I don't know why there is a NullPointerException exception at > > MyPositionOverlay on line 37. The line in question reads: > > > > Double latitude = location.getLatitude()*1E6; > > > > The same code works fine if GPS is off. > > > > The app is https://market.android.com/details?id=com.raghavsood.findme > > Does anyone know what could be causing this and how to fix it? > > Thanks > > -- > > Raghav Sood > > http://www.raghavsood.com/ > > http://www.androidappcheck.com/ > > http://www.telstop.tel/ > > > > -- > > 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 > > > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com | http://github.com/commonsguy > http://commonsware.com/blog | http://twitter.com/commonsguy > > Android Training...At Your Office: http://commonsware.com/training > > -- > 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 -- Raghav Sood http://www.raghavsood.com/ http://www.androidappcheck.com/ http://www.telstop.tel/ -- 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
