Android :: LocationManager.requestLocationUpdates With MinTime - 0 Not Working As Expected
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 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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Jan 25, 2010
The problem is that notifyDataSetChanged() is not firing up getView() of listView class.
I have an activity class in which i have Gallery Adapter and custom List Adapter (extending base class and overriding getView). What i want is, if i select any picture from gallery then, the list should get updated (dont worry about the data source now, as i am using static images for gallery and static string array for listview). After getting onClickevent from gallery i am calling notifyDataSetChanged via listView Adapter Context so that getView of listView should be called and i can supply another static string array to change the list, but getView of listView is not being called.
If i call notifyDataSetChanged from onClickEvent of listview, then getView of listView is being called. How shall we use notifyDatasetChanged to update the listview using event from another adapter.
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Jul 5, 2009
I'm developing an application wich has a location push service that start at boot. The main responsability of this service is very simple, just inform the location of the phone based on the *requestLocationUpdates* parameters. I don't care if it's using the network or GPS, obviuosly I'd prefer the most accurate one, but if the GPS is turned off, I don't mind to receive the network less accurate location fix. My problem is that the service isn't working as I expect, since I deploy the app on my HTC Magic, and after a lot of miles driving my car, only the first fix is shown, but no one else. Here some snippet of my service (BTW, I've checked with DDMS that the service is launched at boot):
CODE:..................
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Oct 12, 2009
This is continuation to the question I already asked a while back. I've been offered a solution which is not really working. Anyway - here's the problem/question. Code...
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Nov 20, 2009
When I set my HTC Hero to sync with exchange "As Items Arrive", the phone is constantly synching and therefore my battery drains. Even when I turn off the phone, the phone uis still awake since it is constantly checking/sync-ing with exchange. I was under the impression that by selecting this type of sync, the items would be "pushed" to the device rather than the device constantly checking if there are new messages, contacts, or calendar eventsto sync. Is this expceted behaviour, or is there some other tweak I need to do? By the way, I just updatedmy phone yesterdey to the latest firmware, and the issue still persist.
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Apr 20, 2010
In requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this); if I put time interval and distance as zero, will this work, or shall I need to give a value greater than zero.
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Oct 21, 2009
When i use LocationManager.requestLocationUpdates API and send geo fix form the shell (the one you obtain using telnet localhost 5554), device emulator receives location updates only two times and then get stalled. Have anyone faced and solved this issue?Also i can't send updates from DDMS perspective in eclipse. When i send manual location updates using Emulator control view nothing happens in emulator. In devices view running emulator is shown as online and i can see logs from it in LogCat view.
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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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May 2, 2010
I tried using both getLastKnownLocation and requestLocationUpdates to get GPS coordinates from emulator.
CODE:......
After that, i tried:
CODE:............
-or-
CODE:.............
-or-
CODE:........
I get the same error for all three:
CODE:.............
I have set the GPS coordinates in DDMS Location Controls, also set coordinates using telnet and geo fix.
My manifest file has all permissions, dont know why im getting errors
CODE:.......................
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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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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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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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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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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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Nov 12, 2010
I have an application that runs in the background, and displays an error message via the notifications system. This notification has a pendingIntent that leads back the the app's main screen. On this main screen, I have set launchmode="singleTask". As I understand it from the Android Dev Guide, this should mean that my main activity will only ever have one instance.However, if the user is viewing that activity at the time (or another one within the app), and goes and touches the notification to clear it, it goes ahead and puts another copy of the activity on the stack, so if I hit the back button, it will return to the main screen again (from the main screen).
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Dec 27, 2009
I have a service that gets updated every x minutes depending on the user preferences. This service connects to a web service and pulls some data. If during an update the user has no connection I register my receiver and start listening for changes (ConnectivityManager.CONNECTIVITY_ACTION), the thing is that onReceive () only gets called on every update instead of firing onReceived as soon as I plug the connection back in. Have I understood the concept of Broadcast Receiver wrong? Is it not suppose to send a notification as soon as it detetcs a change in the connection?
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Aug 16, 2010
In the android manifest on the first line "" I'm getting an error marker (with a red X). When I mouse over the red x it says- "Manifest attribute 'minSdkVersion' is set to '2.1'. Integer is expected."
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Jan 22, 2010
I have a simple LinearLayout with one TextView and one ImageView. I want the text in the TextView to be aligned to the right, but the result show that the Text was aligned to the left.
Is there anything wrong with my layout xml?
CODE:...............
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Mar 17, 2010
Help me in resolving the below issue. I have three image buttons on screen. All these three buttons controlled under ontouchlistner as below. My problem is, as it is under multi touch event handler like above, it does not detect when touch all three button at a time to try to produce multi touch effect, instead it detects only one imagebutton touch at a time even though i touch all three image buttons. As i am developing this project on Android 1.6 SDK, is there any problem accessing my requirement(multi touch) (or) it is a known issue? I am hoping that, when it works for single button touch, why shouldn't it work when clicking three imagebuttons at a time to produce three logs printed as per my above code? Code...
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Oct 28, 2010
Is there a way to ensure that my Android UI will display as expected across different phones ?
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Oct 19, 2010
I'm requesting data from my server and receive a string in the form of 2|bit.ly|1||1| and | should be the separator. I thought the following piece of code should do the work
BufferedReader br = null; ...
br = new BufferedReader(new InputStreamReader(inputStream)); ...
String line; String[] columns; ContentValues values;
while((line = br.readLine())!=null) { columns = line.split("|"); ...
}
But after the line.split("|"); the columns contains 15 elements instead of expected 6. Taking a closer look at it's content reveals that each character in the string was stored in one array element. The code coming from server isn't encoded in any way in in the example I use only ASCII characters appear.
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Dec 5, 2009
What kind of download speed should I expect with my Droid ERIS? Using my 802.11g wireless router I get around 2mb/sec according to spreedtest.net. I get around 1mb/sec using 3G. My laptop gets around 15mb/s over my 802.11g network. I'm guessing that the difference might be because my laptop has 4gb ram and a dual core and the ERIS doesn't.
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Aug 10, 2010
I have come to the conclusion that vzw aborted the ota on the 1st 2.2, and not many people have gotten it. It seems at least on this forum that everyone has 2.2 via a forced update. Very few people have chimed in that they got a ota.However, given that vzw is releasing the droid2 on Thu the 12th, I would think that this is going to have the newest froyo, not the version released ota that everyone forced with. Correct thinking?
If that is also true, then shouldn't we be seing something coming out ota for us 2.1 droid 1 users very shortly? anyone have any dates?
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Jun 2, 2010
I've posted a bigger chunk of the code below. You can see that initially QUOTE was procedural- coded in place. I'm trying to learn how to use declarative design so I want to do the same thing but by using resources. It seems like I need to access the string.xml thru the @R.id tag and identify QUOTE with that string value. But I don't know enough to negotiate this.
CODE:.......................
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Oct 19, 2010
I have an android application using LocationManager get the cell network location and not the Wifi location? If I have turned off the Wifi antenna and do the following:LocationManager lm = (LocationManager) paramContext.getSystemService(Context.LOCATION_SERVICE);I am always returned the Wifi location and not the cell network location. I want it to return the cell location since I have moved fromthe Wifi location. I tried using a LocationListener but that doesn't seem to help.
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Nov 17, 2010
I have a very simple app. I have simplified for sake of discussion, but I think this is a good representation.
My issue is that when I exit the app, the GPS continues receive updates. As far as I can tell the app never stops running, it just no longer displays the map activity.
I have to be missing something important.
CODE:..............
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Nov 9, 2013
I cant sync my google accounts ('sync is currently experiencing problems, it will be back shorly)
Google maps says 'no network connection'
Play store says 'server error'
Gmail says 'waiting for sync, your emails will appear shorly'
Sounds like my internet is broken? ITS NOT. whatsapp and opera mini, web browser is still working 100% and able to connect
I have tried:
turning sync of and on
clear the cache of various google apps
turning the phone off and on
The last action I did before it worked was to uninstall the 'microsoft outlook app'.
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Sep 3, 2010
Had WiFi working earlier now it has stopped but laptop still working ok?
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Jul 25, 2010
I have an Android SQLite/ContentProvider problem that I have been beating my head against the wall for over the past 3 hours.
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