Android :: Application Goes To Background Still Continue Working (sending / Getting Data From Internet)?
Oct 19, 2010
my application is not a service, it's a normal application, with some windows and some stuff. i dont wanna make it a service cos is too munch complicated and i prefeer to avoid it then, if my application is not a service, when it goes to background (home key pressed for example), it continues working (sending/getting data from internet)? i ask this because i read this on a developer guide tutorial: "Because an Activity can perform actions only while it is active and in focus, you should create your status bar notifications from a Service"
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Feb 18, 2010
My app needs to send some data to a server when the device is connected. I have been reading about native Android Broadcast actions. I was willing to find a way to use one as gmail does when the device connects to the Internet. (The "loading" icon on the top while it syncs mails) Is it ACTION_SYNC what I am looking for? If not, how does gmail knows when the device connects to internet?
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Feb 19, 2009
I have a newbie question which is puzzling me regarding using Intents to start a new Activity but passing some data with the Intent for the new Activity to use. My app has (say) MainActivity from which I want to launch a second activity, SecondActivity, within the same app, whilst I pass an integer parameter to SecondActivity. Now my problem is : how do I receive the Intent when SecondActivity gets started and recover the value of the integer parameter ? Which member function of.
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Jan 21, 2010
I am developing an application which require accessing a website for data, and will show that data on device. I wants to fetch data from Internet in background and show ProgressDialog or ProgressBar on
device and when application receive response from server app will dismiss the dialog or bar and will show data .
For this i am using AsyncTask -
code for AsyncTask is as follows--
CODE:..........
And calling this code as follows--
CODE:...........
But ProgressDialog is not shown.(I guess the reason for it is the thread is not complete and android invalidate only when thread has completed).
My Questions-
1- If my guess is right ? If yes then how I should implement it?
2- If there is any other better way to do this?
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Apr 18, 2014
I just don't like using stock launcher or whatever you wanna call it, I've come accustomed to using third party launchers..if i'm using Apex or something.. does the stock launcher continue to run in the background and drain more battery then if I were to just use stock? Is there anyway to disable something if my phone is rooted so I can continue to use Apex but stop the default launcher from running as well? Or does android not work like that and if I have apex it cancels out the default launcher?
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May 15, 2010
I have a broadcast receiver the looks at SMS, when it receives an SMS that is destined for my application it needs to send some data to an activity or start the activity if it is not running. How do I find out if the activity is running and send data to it if it is? I know I can use StartActivity and stuff the intent with the data I want to send to it but if I start the activity that is already running, another instance of it will be created (wont it?).
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Oct 11, 2010
Will it possible to send data from application to usb device (some pen drive). If yes then how? Please provide some docs or link.
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May 18, 2010
Dear I have an app developed and deployed on my HTC mobile phone. I am able to debug this in eclipse with the USB driver SDK. The mobile phone appears now in the hardware manager ADB interface. I would now be able to send data through this USB connection to the mobilephone which my app is able to handle. I know some tethering software which does this, therefore there must be a way to communicate with user data and with my app.
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Jul 18, 2010
I am using a lot of Internet Possibly 15mb a day, is there an application to tell me what app is using up what usage?
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Aug 7, 2011
The problem is that, the MMS is disabled during being in roaming and having data switched off. Is there a way to make MMS messages working while the Internet data is switched off ?
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Nov 25, 2010
So I've had my DHD for 3 days, done a little 3G browsing the usual stuff Facebook, emails etc., but nothing more as I used my home WiFi for the widget and app downloads. But today I got a text from Vodafone saying I was near my internet usage limit for the Month! Within 3 days!? I have a 750MB limit, which the chap in the shop assured me was enough to keep me happy as 'no one ever goes over that.'
I was happy with that even though my previous contract was unlimited internet as he said it would be ok. All I can think of is the email syncing, so turned that off. But what else could be causing me to go over the 750MB limit within 3 days? Surely thats a huge amount to be used?
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Oct 26, 2010
O2 have changed the bolt on I had from unlimited usage of internet to 500mb per month. The row I had with them was of no benefit. Anyway, in the space of 3 days I have used 100mb already & haven't really been using browser or downloading (I did obtain album artwork for transferred music files on Mediascape though). Is it possible that Timescape updates of Twitter & Facebook are draining my monthly allowance? I would check emails on the phone too. Haven't been watching YouTube or anything like that.
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May 6, 2014
I use rooted 4.3 Samsung S4. Some apps like MX player can play video when the screen is off. I want to play games of other video apps when the screen is off. For example:
1. I use Android to watch some CNN and bloomberg TV (not radio) that I want to play in the background with the screen off
2. I am playing some games which require the apps to be opened and the screen on to get some special stuff.
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Apr 5, 2010
Is there and accepted way to send an email in the background?
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May 15, 2010
Is it possible for me to add this feature in my game? I just need a little storage space somewhere on the internet to put the names and scores of the best players
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Apr 21, 2012
when I turn on google maps or navigation this message appear (this application requires a working data connection)
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Nov 11, 2012
I am creating an Android application. This application should send message to computer via internet and Wifi (check whether if the device is using internet). The main function is by pressing on a button in Android device a message should go to computer via internet (I don't know, but I think it should be with UDP). I know that I need to set the server for computer and write down IP and port to the android app code. I don't have any clue how to do it. I kinda need to create a computer (windows 7) server receiver, which would receive messages. I am using Eclipse Android SDK
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Mar 4, 2010
I'm making an Android Java app game (although this question applies to all languages really) and hope to release the first version soon. I'm nervous about how I save data in my game. My problem is that, if in a later update, I decide to store more data or store the same data in a different way, I need to be careful I don't lose or corrupt data for users that upgrade (i.e. I want users to be able to use data created by an old version in the new version, like their high scores from before).For example, say I want to save high scores in version 1.
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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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Aug 18, 2010
If "always on mobile data" is disabled, will this have any affect on programs that are set to auto sync with back ground data enabled(Face book, twitter etc)? I'm trying to work it out but lots of people say different things?
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May 4, 2010
What is the difference between these two:Settings > Wireless & Networks > Mobile Networks > Enable always-on mobile data
- Description: "Uses more power on some mobile networks"
- Message after disabling: "Attention: Disabling always on mobile data may cause connectivity problems in some applications. Please use the manual refresh feature in applications to update online data" Settings > Accounts & sync > Background data
- Seems to be the same as the 4th toggle in the Power Control widget
- Description: "Applications can sync, send, and receive data at any time"
- Message after disabling: "Attention: Disabling background data extends battery life and lowers data use. Some applications may still use the background data connection.".Disabling either one seems to extend battery life. I haven't figured our yet how they differentially affect push email, etc. Would someone kindly explain to me how these settings are different?
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Jun 22, 2010
I'm trying to get ksoap2 working on android. I have spent at least 10 hours now reading forum posts, and documentations. Just querying some methods like getServerTime where I don't have to send any values, works. My goal is to send data, and receive a response. For example: send city name, get city time.
I'm practicing on this site: http://www.nanonull.com/TimeService/TimeService.asmx
This is my code:
CODE:............
This is the error I get:
CODE:..............
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Sep 23, 2009
I am having issue for sending data from service to Activity through notification , I click a notification a activity get invoked but when i try to add some parameters through bundle i am not able to get the parameters in that called intent , I have gone through the link
http://stackoverflow.com/questions/1198558/how-to-send-parameters-from-a-notification-click-to-an-activity. but still no luck has any body occurred with the same issue.
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Apr 21, 2009
Ok, I have 2 Activities I want to send data between activity A and B.My problem is that some random code of mine seems to be called between startActivityForResult() and onActivityResult()in Activity A.This doesn't make any sense because there is no code after startActivityForResult() is called.Shouldn't onActivityResult() be the first thing A does after B finishes?
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Aug 3, 2009
I have a server application listening on port 5001 on an anroid dev phone. The client application running on my laptop tries to send data to the server application.
The client can successfully connect and send data to the server machine when the phone has wifi enabled. The command to do this is - iperf -c <ip address of wifi interface>
But when I enable the 3G connection and try to send data then it fails. iperf -c <ip address of the 3G interface>
I cannot even ping the <ip address of the 3G interface>. Is there any port blocking enforced in case of external 3G network connection. Can anyone please tell me how can I send data to the server application on 3G network. Is there any specific port on which the server application should be listening??
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Mar 31, 2009
I'm writing a Android gps application using locationmanager with locationlistener and I'm only testing with the emulator. This is my problem. - When sending only $GPGGA nmea sentences to emulator by telnet, everything works fine. - When sending only $GPRMC nmea sentences to emulator by telnet, the first location is recognized by locationmanager, the gps provider goes into status 2, next $GPRMC sentence is not recognized.
This happens not only with my application, the Google Maps application and also others show the same behavior: they get only the first $GPRMC location. When sending a $GPGGA sentence after the $GPRMC, the locationlistener gets control and location is shown.
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Jun 15, 2010
Android supports a limited version of apache's http client(v4). typically if I want to send binary data using content type= application/octet-stream via POST,
I do the following:
CODE:.........................
However ByteArrayRequestEntity is not supported on android. what can I do?
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Feb 15, 2009
Is there already functionality similar to the push registry or wireless messaging API in J2ME implemented in Android? Or at least plans to do so?I have been looking at this issue for a while, because in a corporate environment it is essential to be able to push information out, or trigger actions via SMS or other connections.I have successfully sent an SMS between emulator instances, and successfully received an SMS by using a BroadcastReceiver on another emulator instance. I have also been able to use SmsManager. sendDataMessage to send a data message to a port on another emulator instance, but in this case the BroadcastReceiver is never triggered. This seems to be the closest the API's get to what I'm looking for.
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Feb 16, 2010
I am little confused with the use of intents used for sending data to activity from service. In my application I have to have startactivity from the service and have to pass data ,so that activity can utilize the data while launching.For this i have written the following code Intent intent = new Intent(Service.this,Activity.class); intent.putExtra("data", data); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.start Activity(); I assume that the data is passed to the activity and can be parsed on the oncreate function of the activity.Now the service running in the background has to pass data to the activity continously for UI updates.For this I have written the following codeIntent intent = new Intent(Service.this, Activity.class); intent.putExtra("Data", data); intent.setAction(Intent.ACTION_ATTACH_DATA); sendBroadcast(intent,null); (Do I need to broadcast the intent???) In activity I have done following things:- Implemented broadcast reciever:private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (Intent.ACTION_ATTACH_DATA.equals(intent.getAction())) { Bundle extra = intent.getExtras(); float Data[] = extra.getFloatArray("Data"); update(Data);
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May 28, 2009
I have two activity Main activity and child activity when I press a button the child activity is lunched. Still now I have no problem. I want to send some data back to the main screen. I used The Bundle class but it is not working. It throw some run time exception.
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