Android :: Unsubscribe LocationListener From Recieving Updates From LocationManager?
Jan 19, 2010
How do I unsubscribe a LocationListener from recieving updates from the LocationManager?
mLocationManager = (LocationManager)this.getSystemService(LOCATION_SERVICE);
mListener = new LocationListener() {
public void onLocationChanged(Location location) {
Log.i("LocationListener", "Logging Change");
}
}
mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,
5000, 1, mListener);
After I have exited the the view that created the LocationListener I am still getting log messages in the LogCat window. I understand that this is because I am orphaning the listener but I cannot see any destory method on the LocationListener nor can I see any "remove listener" style methods on the LocationManager object.
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Jul 20, 2010
Can someone tell me, what is the best way to deal with situations when there is no GPS signal or from some reason fix cannot be acquired?
The thing is that I thought that it would be sufficient just to use onStatusChanged method from LocationListener, but when there is no GPS signal it never calls this method. Why is that?
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Aug 3, 2010
I want to unsubscribe from this group.
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Nov 17, 2009
How to unsubscribe to developer group?
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Aug 21, 2009
I cannot unsubscribe to this group. When sending an email to the unsubscribe account, it is being rejected.
If google are reading this could you fix it? Also your ADC2 rules are unfair. Just for your information.
On Aug 21, 2009 6:40 AM, "bear tung" <beart...@gmail.com> wrote:
I want to draw some Drawables in a view, for example like Rect. Then I want to make a totate animation for each Rect when it's be clicked. I try to use RotateAnimation, but it not work. It look likes only can make a View rotating.
so, how can I make this work?
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Feb 5, 2010
The GPS on my Android phone is on, supported by the fact that :
location_manager.isProviderEnabled(LocationManager.GPS_PROVIDER)
returns true. Yet, the following line: Location location = location_manager.getLastKnownLocation(LocationManager.GPS_PROVIDER); returns null.
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Sep 8, 2010
in order to save some battery, I was wondering what happens if an activity registers a requestLocationUpdates and then the user (or the os) puts it in background or kills it. Will the location manger still be active and then will the pending intent still be fired? In other words, will the location manager still be alive even if its lancher does not exist anymore? I'd really love this scenario because allows me to link an intent service that handles the location updates without bothering of have something always running waiting for good news from location.
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Oct 22, 2009
So I'm trying to sample the gps coordinates just once in an application. I don't want to create a LocationListener object to constantly get gps updates. I want to wait until receiving the coordinates, and then proceed on to another task.
Here is a code snippet
CODE:.................
The loc variable is always null in the emulator. I tried using the command "geo fix latitude longitude" to set it, and also I tried using the DDMS way of setting it. Neither method had any effect on the code. Also the snippet isn't causing any exceptions.
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Nov 22, 2010
I set locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 60000, 0f, this);
It has an odd behavior, locationChanged gets called every second instead of any time close to 1 minute. Secondly, locationChanged gets called every second for like 10 seconds, then stops completely, the gps satalites icon disappears, then only resumes again when the screen returns from display timeout.
what's wrong? I'm currently on android 1.5.
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Sep 10, 2010
Do the Android users have the chance to reset the NetworkProvider, so that the location will be null?
I came up with the idea, that its only possible to have that location null, after starting the device the very first time. But also than google will check the location right away for my opinion.
Sure, I'm implementing a default location for this rare case. I just want to know how seldom this case is.
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May 25, 2010
I'm trying to develop a small app, that can retrieve GPS coordinates, and store them, so I can retrace the path I took. The thing is, the GPS on Android emulator is kind of screwing around with my nerves... First of all, the Mock Position system doesn't work, so I'm manually fixing the coordinates with telnet "geo fix" command. Second of all, the location listener seems to not be refreshing. I'm lauching the app, fixing a first set of coordinates, and observing the response I expect. But when I push a second set of coordinates, the app simply doesn't react.
I tried a lot -big lot- of ideas on this, and I'm kind of running short...
By the way, I'm developping on Eclipse with ADT, and the SDK for Android 1.5 (French HTC Heros are still with Android 1.5) so that I can use my own app.
Here's my code (just the coordinate retrieval part) :
CODE:.................
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Mar 22, 2010
The application under development was to distinguish between the current location of the android phone based upon GPS signal when it was available. When it is not available, alternate methods are being used to distinguish the user's location. The application uses a private locationlistener class that implements the LocationListener class. The code within the onLocationChanged( ) method to be overridden will draw the location on the google map as a dot as they are received.
I have noticed however that something is amiss. If you start outside the building, it will estimate your position with several dots around your current location. When you walk through a building where you don't get GPS, the dots are not drawn as expected, but as soon as you step outside again on the other side of the building it rapidly draws dots far away from (but leading up to) your location, until it gets to your actual current location. I don't understand how these other values are retrieved and why they seem to poke their ugly heads in, once the user steps back outside............
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Jan 28, 2010
I am having issues regarding a LocationListener in my Service called myService.
Here is my code:
///onStart method ..
onStart() {
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE)
.
.
provider = locationManager.getBestProvider(criteria, true);
locationListener = (LocationListener) new MyLocationListener();
locationManager.requestLocationUpdates(provider, 0, 0, locationListener);
}
In my Activity there is a button which should stop the service. On the click of the button I am doing:
stopService(new Intent(getApplicationContext(), myService.class).................
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Oct 5, 2010
I have a Service that uses the LocationListener, and it will be running from boot, indefinitely. My question is, how often is too often to listen for location updates? Is 5 minutes a battery killer? What about 1?
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Sep 20, 2010
I've created service which has LocationListener in it. In order to keep service running the service is set as foreground. I have some questions about phone power management and sleeping in that circumstances: Will phone go to sleep while such service is running? How can I save power in this stuation?
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Jun 25, 2010
you can subscribe to requestLocationUpdates via two ways one by specifing a PendingIntent the other is by using a LocationListener. When is advised the one and when the other?
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Sep 18, 2010
I have an android application. Based on the current geo location of user, I want to fetch some remote data in background and store it. My implementation is: At specific interval a alarm fires up my service. Service uses an anonymous class to query current location and registers a locationListener callback. On call of onLocationChanged() I initiate the remote data fetch from server.
However once my service is done registering the location listener using anonymos class, it returns as expected; as it doesn't wait for callback to happen before finishing. Since callback takes some time and makes a call when service has already returned, it throws an error saying: java.lang.RuntimeException: Handler{43e82510} sending message to a Handler on a dead thread
Which is quite understandable. One quick workaround for me now is that I can use getLastKnownLocation from locationManager as that doesn't respond back by callback; but what if I do want the latest location right now, in a service and not activity? How can I wait for callback to happen and stop my service from returning.
Also, at what point does lastKnownlocation gets updated? Everytime GPS registers a new location; does it update it? What I want to know is that if it's not latest can it still be closed to latest? As I didn't see an option in android emulator to configure the time period between subsequent updates.
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Jul 26, 2010
I am struggling a bit with the LocationListener in Android.I want to make an app that will get the current GPS location, and then afterwards sleep for a long time. A day or more. In this period of time i want the GPS notification icon to not show.What i have now, is in the onLocationChanged a Thread.sleep(x) but this will keep the icon on in the sleep period. How can i do this, and is there a better approach than to use Thread.sleep?
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Apr 16, 2010
I am working on an Location Based Application. In this application i am using LocationListener class to update the location when the Location is changed.In each Activity i have different LocationListener to update location and do some specific work on updated location. But my problem is that when i am changing my location through DDMS , the LocationListener is being called of that current Activity as well as all the activities of the whole application where LocationListener has been defined. I don't know whether there should be one LocationListener for the whole application or for each Activity we should have different LocationListener.
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Nov 9, 2010
Is there a way to manually trigger the code inside a LocationListener's onLocationChanged method? It should receive a Location object with the last known location, I guess.
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Feb 19, 2009
i need to know about the LocationListener() working in the Android DEV Phone(ADP1) Does it expect the user(device) to move in order to update the current location details or it automatically updates when ever the gps is enabled? Another query is regarding the getLastKnownLocation(). When is that last known location will be lost and thus returns null... (ADP1).
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Feb 12, 2009
i need to know about the LocationListener() working in the real time. Does it expect the user(device) to move in order to update the current location details or it automatically updates when ever the gps is enabled? Another query is regarding the getLastKnownLocation(). When is that last known location will be lost and thus returns null... (in realtime).
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Jan 11, 2010
Ok so I've heard from various sources that the motorola cliq will be getting android 2.1 in the future. Now I'm not sure if this is true or not but I heard that motorola officially announced this. However I couldn't find any info regarding when this update will be released for the cliq, does anyone have any idea when the cliq will be getting this update?
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Jul 20, 2010
I a have activity(suppose A) in which on button click we send sms and the waiting for the response of the sms(which a sms response coming from a specified number ) in between i show a progress dialog which is started from the Activity A my problem is that how to dismiss the progress dialog after receiving the sms.
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Jan 23, 2010
I got SMS working and internet but when i try to recieve or send MMS it won't work. Not sure if there is a setting i need to adjust. If anyone has any ideas or what i should check for let me know.
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Jan 4, 2010
Does anyone else experience SERIOUS lag while recieving SMS? My phone will literally freeze for anywhere from 30 seconds to a minute while it processes an incoming SMS. The problem is terribly worse if I am recieving multiple messages simultaneously.I am currently using Handcent SMS(NEW) with the quick reply on.
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Jul 21, 2010
I write a app but it is not doing anything..
code is given below:
CODE:..............................
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May 18, 2010
I was able to initially but some setting must have changed and now I can't. Is there anyone who could steer me in the right direction to what setting I have screwed up?
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Jul 1, 2010
I'm new here, new to forums period, but I thought I would give this a shot. I have the tmobile cliq, have had it for about half the year now and I am quite pleased with it. Now on to my problem. I use Facebook a lot. Probably like 10 times a day at least just to look through status updates. I originally had my notifications set to email me on the phone when I'd get a notification, which was working fine, except for the whole yahoo takes 15 mins to refresh for new email checking thing. So i decided, well. Okay, I'll just set it to not email me, and text me instead. So I was getting text messages every time I got a friend request, wall post, comment, message, anything. i was really pleased with this because I'd be getting my notifications instantly. About a week ago this changed, I started to get less and less notifications via text.I would have to physically go into the app and then see that i had ten or so notifications, which should have all been texted to me. This is upsetting! Does anyone else have this problem, or know why this is happening? I actually remember this happening with my blackberry curve previously as well, after a while I wuold stop getting notifications, and I don't know if its the phone or if Tmobile just sucks. I tried unchecking all the notifications on facebook, saving the changes, then resetting my phone, turning it on, and re-checking the notifications sent via text option, for about an hour I was getting a few notifications as soon as I'd post something, but then poof it stopped again.Please let me know if you have this problem and have found a solution or have spoken to anyone in customer service at tmobile and theyve told you there are some kind of outtages.
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Sep 8, 2010
I'm getting texts and that's it. Gmail isn't working with new emails also not getting facebook. Went home last night and to my surprise when i checked via my computer i had a few emails and facebook messages that never came through on my phone. I tried a test email again this morning and again nothing. Im using launcher pro plus not rooted and on 2.1. Could this be the same reason my facebook and twitter apps aren't refreshing automatically?
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