Android :: Background Practices (Interact With Network And Check Location)
Aug 27, 2010
My application needs to perform some activities in background (like interacting with the network and check the location and some other stuff), having or not the main activity visible. Which is the best way to achieve this? Should I write a service for each kind of job? Or just one service that performs everything? I am aware that I will need to launch threads / asynctasks in any case because the service runs on the same thread of the UI, but maybe having several services is a more clear and readable structure.
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Mar 1, 2012
I wanna background service which is looking every minute for the location.
So I created a service and created a broadcast receiver connected to the alarm service.
That works generally fine.
Now I wanna check the Location in that Service, I have a Service which is looking first for "gps" and if not available then for "network" location. That works fine!
Now my confusing case: If I am at home and connected to the WLAN the Location is found every minute and give me an notification in android bar all is fine!
But if I am on street and go around it doesnt work. The Service is just running when I touch the screen and make it active, then the service starts and gives me the location.
Why the service just works at street when I have the screen active? And at home in my WLAN it works always even the screen is not active.
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Jan 27, 2010
I have an application which uses the network as the location provider (rather than GPS eg.), however I can't seem to figure out how to send the emulator test coordinates. In DDMS I would usually send coordinates in the Emulator Control tab.Is there a place to simulate coordinates derived from the cell phone network provider?
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May 29, 2010
My eris has always has pretty alright battery life, what I would expect out of a smartphone, if unplugged at 9AM it usually was running on its last leg around midnight. I've had it for over 5 months now, I've always had it activated on alltel, I installed the 2.1v3 leak before the official OTA was out and just lately it seems like there something very wrong with my battery life...
If I unplug my phone at 9AM within the past week and occasionaly check and respond to a text message, my battery had been down to almost 30% by NOON... what?..
I have noticed that if I disable Mobile Network (3g/1x data), the thing lasts all day and some... If I turn mobile network ON, I can't see that I have any network traffic or any apps running in the background that are syncing data at all... I've had google account sync mess up on me before and have to reset my google account because it gets stuck in a syncing loop, but its not doing that, already checked. Very weird.
Anyone thing it could be something wrong in my ##PROGRAM#/##778# provisioning menu, maybe something got changed?.. Maybe it could be do to Alltel's AT&T merger that's happening right now, maybe some 3G tower's radios are turned off or something...
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Sep 16, 2010
I have writeen a program to check the location from GPS module and I need to get a signal once two minutes. So, I use the function
> requestLocationUpdates(mLocationPrivider, 1000*120, 0,mLocationListener);
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Jan 4, 2010
I know how to get the calculated GPS position via getLastKnownLocation (). As tests show, this function really always returns the last known location, so it doesn't matter if there is a gps fix available.
How can i check if the returned location is reliable? I tried it with getAccurracy(), but this function even returns a accurracy although no gps fix is availavle (anymore). Is there a possibility to get gps dop values? Used SDK is 1.6.
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Jul 16, 2010
my android device supports both wifi and 3g. At particular time which network is available on this device. Because my requirement is when 3g is available I have to upload small amount of data. when wifi is available entire data have to upload. So, I have to check connection is wifi or 3g.
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Sep 26, 2010
How to check any kind of network status in android...
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Jul 6, 2010
I am newbie to android. I have client server based application. Server keeps on sending the update notifications to client after every single minute and at client side my app receive those updates and display it using Toast. But now my problem is whenever my client app goes into the background server keeps on sending the update notifications and my client display it as if the application is in foreground. I am not getting how to check that application is running in background.
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Jun 16, 2010
We have a very patchy wi-fi network here. The wi-fi router's pretty old and I tend to need to switch it off and on every couple of days. Is there an app I can use that will - perhaps in conjunction with Locale so it only runs when I'm in the office - periodically check if our wi-fi connection is up and running?
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May 24, 2010
How can I check for GPS support in-App to add a feature for those with Location services enabled?My concern is, I know I'd have to specify the tag in the manifest to declare that the app uses location services, but I still want the app to function for those without. I just want to check and, if the service is available, use it; otherwise just ignore that one feature.
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Jun 15, 2010
Android developers can check this code to check the network status on wifi and 3g mobile
You need the following permission to get status view source print? 1 <uses-permission android:name="android.permission.INTERNET"></uses- permission> 2 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses- permission>
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Feb 6, 2010
I am trying to connect to server through HttpUrlConnection, but after sometimes it throws Socket.Net Exception :Network Unreachable. I tired alarm manager to wake up the phone and get the wifi lock but none seems to work .
Tell me what to do what should i check and alternative?
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Sep 24, 2011
I want to check that the network connection is alive on the phone from program but when i try to run this code
Code:
private boolean isOnline() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
if (netInfo != null && netInfo.isConnectedOrConnecting()) {
return true;
}
return false;
}
I get the message "Sorry 'Appname' is stopped unexpectedly. Try again".I might have to search the solution elsewhere, i added permissions for network, run the application and got the same error but when i tried to start it from the menu it said application not installed.
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Jun 24, 2010
I'm about to return my phone because of LED backlight issues. Is there anyway to check the phone to see if it was a refurb? I know for windows phones, I'm able to check within the system binaries to see if it's a refurbish unit. I was wondering if there's any secret menu or location to check this information.
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Mar 2, 2010
i am implementing gps provider getting langitude and longitude from device i am already get the information in device i can implemented network provider that is the problem how can implemented using network provider
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May 3, 2010
I'd like to write a simple widget that toggles GPS and network location on and off. I've read that it's not possible to do that normally, but presumably on a rooted phone it must be doable. Does anyone know what the code would be? (I only need the code to toggle the location providers, I know how to make the widget.) It doesn't matter that this isn't a 'good' solution, I don't plan to distribute the widget. If it matters, this would be on an HTC Hero, still running v1.5.
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Jan 19, 2010
how does "location accuracy" use a wifi network?
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Mar 16, 2009
I am unable to get the location updates when i use Network location provider. From the older posts i understood that to use NW location provider we need to do the following. code...
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Mar 11, 2010
Is it possible to activate the network location provider on the android emulator? Maybe with a fake cell id?
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Nov 29, 2012
having problems with my phone not showing the right location in google maps and other apps, this only happens on the mobile network really and in new areas i goto. It always fixes to one location i have never been to,
What files can i change or check for errors ? i have replaced the network location apk in the system/app directory with one that worked on my old phone, should i run and install this apk ?
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Sep 5, 2010
I may have missed it but is there an easy way to clear the software update error message. DM initialization is not ready. Check network or SIM card without doing a factory reset?
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Oct 6, 2010
I need to display image has background and transparent text at particular location of the image text,here my problem is it display well in some devices and not being proper alignment in larger screens,even i used separate resource file like layout,layout-large,layout-small but in some case it's not working well,i set. Code...
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Jul 26, 2010
When I click on software update under settings, it says "DM initialization is not ready. Check sim card or network. what does that mean?
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Nov 2, 2010
According to my "What's using the Battery" function, my radio has been on for 4 days, but if I select the Radio App itself, it is switched off on the screen. I've tried the "Force Off" function under Apps Settings, but still the Battery-use screen shows the radio as running. Is there a way to quickly check what apps are running in the background, and - preferably - easily switch them off?
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Dec 19, 2009
We see the bigger font for Agree and disagree buttons for the Alert dialog when the network provider is selected in the location settings menu. Any pointers or suggestions which part of the framework code need to take a look. This dialog is controlled by Networklocation.apk which is not open source.
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Oct 24, 2010
Based on what I've been reading, leaving GPS on won't drain more battery. It's just merely allowing apps to use the GPS.That said, if you have GPS on and have apps that use GPS, you will drain more battery.I want to leave my GPS on for "Where's my Droid." My question is this: how do I make it so that apps (weather widget, etc.) only use network location and not GPS? Is there a way to block all apps except those I choose from using GPS ?
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May 15, 2010
It keeps telling me I'm in the town across the river. Maybe according to the network location I am in that town but when I go to maps and it uses GPS it realizes the proper city. The weather app often makes this mistake. I thought when I setup my device it may have asked if I want to use GPS or just network location for something but I can't find that setting anymore. Any ideas on how to get more accurate current location for the weather widget?
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Nov 27, 2009
With the stock Touchwiz software you can not access the normal Android Settings menu for Location and by default the "Network Location" function is disabled.I installed Open Home (which is a must for this phone imho) and now I can access the classic settings menu.I enabled Network Location then launched Google Maps. After a second or two it centered on a road in Bellevue, WA that is not too far from T-Mo headquarters, problem is I am on the East Coast of the US. I pulled the battery and reboot the phone.Upon reboot I opened Google Maps again and it quickly found my approx location correctly but then within a second or two it switched back to this phantom location in Washington state.Has anyone else experiences this? If so is this a glitch with my phone or a known issue with the TouchWiz/Android OS? I really need this functionality in order for the phone to be useful for me. Anyone know of a fix for this?
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Nov 10, 2009
Device: Motorola DROID
I just wanted to post an issue I found. I downloaded ES File Explorer and was browsing a shared folder of pictures on a desktop. I selected a picture and, with the file explorer's picture viewer, browsed the next few pictures sequentially. I found one that I wanted to use as a background, so with a menu option, I chose set as background. The device froze, and started a never ending reboot cycle. I had to hard reset the device and wipe it with the POWER + X button option. I am not sure if this is an ES File Explorer problem or a problem with file transfers initiated some way other than copy and paste, or just simply trying to assign a remote path as a background image location, but I thought it necessary to post. I have sent this to the author of the file manager as well.
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