In brief, Mark wanted to see the code of the null Location acquisition using GPS.
2011/7/7 Raghav Sood <raghavs...@gmail.com> > 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 <mmur...@commonsware.com>wrote: > >> How are you getting that Location that is null? >> >> On Thu, Jul 7, 2011 at 8:18 AM, Raghav Sood <raghavs...@gmail.com> 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 >> android-developers@googlegroups.com >> > To unsubscribe from this group, send email to >> > android-developers+unsubscr...@googlegroups.com >> > 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 android-developers@googlegroups.com >> To unsubscribe from this group, send email to >> android-developers+unsubscr...@googlegroups.com >> 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 android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > 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 android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
