[AC-2866] Geolocation Location event cannot be processed in Android service
| GitHub Issue | n/a |
|---|---|
| Type | Bug |
| Priority | n/a |
| Status | Closed |
| Resolution | Needs more info |
| Resolution Date | 2011-10-20T08:59:20.000+0000 |
| Affected Version/s | n/a |
| Fix Version/s | n/a |
| Components | Titanium SDK & CLI |
| Labels | android, geolocation, services |
| Reporter | Frank Apap |
| Assignee | Matthew Apperson |
| Created | 2011-10-17T10:37:27.000+0000 |
| Updated | 2016-03-08T07:47:49.000+0000 |
Description
I have an android background service that start a location listener. However, once you exit from the app while the service still runs the callback isn't called. The logs show that Titanium is throwing a NPE.
10-17 12:56:05.792: ERROR/KrollEventManager(27494): (kroll$2) [2653,32869] Error invoking listener with id 2 on eventName 'location'
10-17 12:56:05.792: ERROR/KrollEventManager(27494): java.lang.NullPointerException
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.kroll.KrollProxy.createEventInvocation(KrollProxy.java:657)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.kroll.KrollProxy.fireSingleEvent(KrollProxy.java:669)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.kroll.KrollEventManager$KrollListener.invoke(KrollEventManager.java:143)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.kroll.KrollEventManager.dispatchEvent(KrollEventManager.java:273)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.kroll.KrollEventManager.dispatchEvent(KrollEventManager.java:240)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.kroll.KrollProxy.fireEvent(KrollProxy.java:642)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at ti.modules.titanium.geolocation.TiLocation.onLocationChanged(TiLocation.java:107)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at android.location.LocationManager$ListenerTransport._handleMessage(LocationManager.java:228)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at android.location.LocationManager$ListenerTransport.access$000(LocationManager.java:160)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at android.location.LocationManager$ListenerTransport$1.handleMessage(LocationManager.java:176)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at android.os.Handler.dispatchMessage(Handler.java:99)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at android.os.Looper.loop(Looper.java:150)
10-17 12:56:05.792: ERROR/KrollEventManager(27494): at org.appcelerator.titanium.kroll.KrollHandlerThread.run(KrollHandlerThread.java:86)
More details / discussion can be found here:
http://developer.appcelerator.com/question/126946/background-location-on-android
Update: Upon further testing it appears a similar issue exists in the Kitchen Sink android service examples. The log messages stop when you back out of the app even though the service still shows to be running. I think the service runs but the fireEvent doesnt work.
Here is simple code snippet that demonstrates the issue: (this is the service): Ti.API.info("Test Service running"); function tevt(){ Ti.API.debug("Event Ran"); Titanium.App.removeEventListener('test1',tevt); } Titanium.App.addEventListener('test1',tevt); Ti.App.fireEvent('test1');
Frank, To file a bug ticket, all relevant information needs to be included such as Android SDK version, as well at the exact build of the Ti SDK you are using. For a full outline of all required information, please see our JIRA checklist here - http://wiki.appcelerator.org/display/guides/Contributing+to+Titanium#ContributingtoTitanium-Summary%3AJiraTicketChecklist Best regards, Matt