General :: What Happens To TCP Connections When Phone Sleeps
Jul 25, 2012
I have a Star A3 running 2.3.4
I am running Ttorrent Pro on the phone, and the speeds are less than impressive (everyone else says the same thing) I am on a very fast connection, using speed guide I literally max out the speedtest servers in my local area (20Mb up/down which is the max they let you go to, I would get 100/100 if my speedtest server would allow it) and I have a port forwarded correctly.
but anyways, what I have noticed is, when wake the phone, and open the torrent application the speeds are down to around 3Kbps if I leave it open the speeds immediately start ramping up to 200-300Kbps if I keep it awake.
So this makes me think, when the phone is sleeping a lot of the connections are being closed, or when the phone is asleep it won't try and open new connections to new peers (and the current peer list may go stale while its asleep)
this is with all torrents, now the exact same torrent on another PC with a DSL connection (3Mb down 300Kb up) is downloading faster than the phone.
Are there any developers out there than can explain what processes are going to sleep that may be useful to keep awake for downloading, and also what are the tcp limits on the phone, ie. max open connections, max half open etc?
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Nov 17, 2011
I really like my Droid X but it only supports Ad Hoc and this doesnt connect to a certain device I need it to. I want to make sure I get the right phone that does what I need it to.
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Jul 16, 2010
Up time & awake time are always the same, even when phone sits for hours untouched. "Data Always On" is checked off.
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Feb 24, 2010
I had flashed my mobile to I7500XEFJB2 yesterday. Thanks to the wonderful instructions from most of you folks that actually made this possible!!
However, One thing i observed ever since i had installed this firmware is the phone is awake 100% of the time and never has gone to sleep when checked in "Spareparts" .
The only apps i had actually installed were GOGGLES, Advanced task manager, Seesmic for twitter, Google Voice, Advanced task killer. Now i have actually uninstalled GOGGLES, Advanced task manager to check if they were keeping my phone awake (will revert back if this shows improvement ).
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Sep 2, 2010
I previously had my gchat setup to be online all the time.. for some reason, I get logged off when my phone sleeps, or within a short preiod of time after my phone sleeps. I also do not get email notifications when the screen is off. I have to unlock the screen to get my updates now. Any idea how to change this back?I was also wondering about how to change the frequency of checking email and other updates, etc. to save some battery life
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Nov 15, 2010
I haven't been getting very good battery life (less than one day with VERY minimal actual use). I installed Android System Info and went to DashBoard, then Battery, then History. If I select "Other usage" and "Since last unplugged" it shows "Running" as 100%. When I click on the "Running" bar it says "Time spent without sleeping: 14h 43m 15s (100%)". So it looks like it hasn't gone to sleep at all since I unplugged it.
7 of those 14+ hours was spent sitting on my desk at work and 90% or more of the rest of the time was spent either in my jacket pocket or sitting on the table at home. I spent maybe 30 mins reading texts and browsing the market and didn't do anything else with the phone all day.
Should it not have gone to sleep for at least some of that time? Could this be why the battery is pretty much dead by the end of the day? Is there a way to figure out why it's not going to sleep at all?
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Dec 16, 2009
Is it just me or does it seem like your phone misses more than just an occasional notification for things like google voice, gmail or various small items while the phone is asleep? For some reason my phone will be asleep for just a short time, then I click to wake it up and my notification shows up then, but if I hadnt woke the phone up it wouldnt alert me even though its set to check and notify. This happening to anyone else?
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Jul 21, 2010
what mode are people running their battery? i just noticed that under smart mode, it turns off the 3g when the phone sleeps. does perf mode drain the battery noticeably faster?
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Nov 10, 2009
From what I can tell, if you turn on WiFi the phone never sleeps even in standby mode. Is this a known issue or has anyone else noticed this. I noticed this using Spare Parts and turning off and on things until I saw it was wifi that keeps it awake.
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Nov 6, 2012
Sleeps during charging... I want it awake... How do i change that ?
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Jul 21, 2010
I'm not sure if this is an android problem, or a samsung i9000 problem, but either way it's an annoying problem that I'd love to find a solution for ?_? I simply cant get the alarm to work for me (overnight. it's fine in the very short term). It appears to be because the clock stops moving/updating when the phone goes to sleep, because when I turn the screen back on I can see that the time is off by multiple hours, depending upon when it stopped updating, and stays that way for a couple of seconds before changing to the correct time.
Things to note here..
I do NOT use a task killer
The alarm volume is up
I have tried the alarm both with and without the Automatic, network provided time setting. The clock still stops moving. I've not updated anything from the standard (UK) firmware
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Jan 15, 2010
I have a Galaxy on O2 UK. It's via work, and on a business tariff that boasts unlimited data.After a couple of huge bills, it turns out that apparently 3g data is unlimited, but 2g data is charged at the usual eye-watering rates. Phone Bloke is checking with O2 whether they are serious.In the meatime, I'd like to disable 2g data connections.I can't find a way to do that.
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Apr 30, 2010
I only get a phone signal about a third of the times i start the emulator. I've read on these groups that you have to have an internet connection before starting the emulator. Since i'm connected to the internet 24/7 :) this is not the problem I've also read somewhere that you should try do disable all other network connections (which i've done) and the problem persists. I'm using Windows 7 and Android 2.1 + API's emulator. You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android
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Oct 30, 2011
I am looking for an app that can:
- make a log of all the other apps, including stock ones, that make attempts or actual connections to the internet, and at what time
- be able to intercept those connections
- preferably I would create a white list of apps that are allowed to connect, but others do not have permission.
Purposes include:
- saving on bandwidth in poorer countries where internet is expensive.
- making sure apps or malware doesn't try to send off my data when it shouldn't be.
- prevent annoying background sync/apps from running when I don't want them
I find it strange that we either give all the permissions the app wants, or it doesn't work. Why can't we restrict their internet access?
Does this sound feasible? Does it already exist?
I'm rooted and using an Asus Transformer.
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Oct 9, 2012
Is there any way to save my Bluetooth pairs. I change rooms a lot so it would be useful if I could back it up .
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Aug 6, 2013
I am Android user and will be soon have be out on a rgular basis. Till now i have been using a hi speed internet connection of the wifi. But i need on mobile connection as well. The one within my budget is a hi speed plan but data valumn based.
My question is regarding that whenever i switch on my wifi, every single app and service starts connecting to the net. The over all internet browsing speed falls, the phone performance falls. My a whole lot of data is downloaded.
Is there a way to selectively allow/dis allow apps and services from eating away data from my data based mobile internet plan ? So that say only few apps, like AC Forum app/Gtalk/Google+/Gmail/Email apps gets the internet and the others remain on hold till i reach home and open up the lock for all apps, etc via wifi. Is this reallu possible ? Or do i have to go cut off the mobile data when the capping for my plan is reached ?
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Mar 3, 2013
My company is importing some Android-based TV boxes from China, and we're experiencing a strange bug with some apps we are developing to run on them. I'm trying to find a specific solution that I can tell them to implement in a firmware upgrade, but I am not sure where to look.
In some apps (especially Adobe AIR-based ones), there seems to be a limit to concurrent HTTP requests to a web server. On an earlier ICS 4.0.4 firmware for these devices, this did not cause any problems. But they recently released a JB 4.1.1 firmware, and this problem occurs.
Let's say an app requests 20 items by HTTP from a web server (XML files, PNG or JPG images). What will happen is about 2/3 of these will be sent back, and the rest just remains blank, as if in a perpetual waiting status.
Looking at the web server's logs, there is no requests at all for these missing items.
And, it's totally random. If you re-launch the app, the missing items will be different ones.
So, I am guessing the app can only request so many things at the same time. Any system property that could be adjusted to solve this?
BTW I am unable to replicate this bug on any other device. The TV boxes in question are based on Rockchip 3066 SoC's
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Mar 18, 2014
any application that manages your bluetooth connections?
Here's what I'm talking about, I have bluetooth headphones, several speakers and my car that all are connected to my phone and I'm having several small issues.
- As soon as I turn on bluetooth it tries to automatically tries to connect to these certain speakers, I don't want that and don't know how to stop it.
- If I'm in my car, my phone connected to my car for calls and I'm listening to music through the headphone jack but it will automatically connect to a set of bluetooth speakers in my home when get home and pull into the driveway. So music will play through those speakers instead of my headphone jack. I obviously don't want that either.
-Titanium Backup never restores my bluetooth connection either so if there is an application that can save those too that would be useful.
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Jul 28, 2013
I have some spots in office and home that WIFI signal is strong enough for me to locate it but not strong enough for actually having internet access, and so it causes me to not have an internet access at all since 3G is disabled for WIFI but WIFI is dead. The option on the Advanced for "Avoid Poor connection" seems to work only for REALLY BAD signal, and a little bit more than that it approves. Is there a way to edit it? re-arrange it so it will avoid "Fair" signals too? or set a minimum percentage of signal (lets say 50%) and less than that it forces 3G.
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Aug 8, 2013
I'm searching for an application that can switch CM 10 profiles based in wifi connections.
Thought [URL].... could do that, but it manages its own profiles.
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Jan 6, 2014
I've recently upgraded my Nexus 4, Nexus 7 and Nexus 10 all to Android 4.4 and as soon as I upgraded my Wi-Fi has been awful.The Wi-Fi is incredibly unstable, steaming media has major buffering / intermittency issues, messages sent over instant messaging apps are sometimes instant and sometimes take 30+ seconds to send.
Skype is the most telling of the issues as it randomly loses connection and my notifications literally never come through..Router Wi-Fi Settings: I've tried Channels, 1, 2, 4, 6, 8, 10 and 11
I've also tried adding
Code:
gDataInactivityTimeout=200
to the WCNSS_qcom_cfg.ini file as found:URL>...Wi-Fi is Always On, Wi-Fi Frequency is Auto or 2.4, Wi-Fi Optimization is Off.The wireless / wifi works fine on other tablets, laptops and wireless devices just my nexus devices on 4.4
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Aug 3, 2010
I'm actually more disappointed than I am happy with the update. This is just a minor vent, ignore if you don't want to read. I'm coming from Windows Mobile. Having apps running or not, was a simple thing. With android, why does it have to be an annoyance? I understand Android handles programs in the background well esp Froyo. But why does it have to be a pain, esp for the OCD types, when you close apps you don't want running, they just open themselves again? You can go as far as going into the services, and shutting down that service, not only the app, and have that service restart itself. With 2.1, using Advanced Task Killer, the apps were closed and never really opened again. Unless I lost service or something, which for some reason triggers the internet related apps to open again.
Now I did a hard reset earlier hoping to fix some of the problems I'm having. It didn't really help at all. One problem I'm having is, my Evo NEVER sleeps. Currently synchronized at 0:52:xx Up/Awake times, restarted earlier hoping for change. 2.1, I never had this issue. And after hard resetting, I'd think it would be normal as it is the bare OS itself. Didn't work. Downloaded System Panel lite, forced closed some apps, also from settings-applications. Still same results. 2.1, I had a very good standby time when I wasn't using it.............
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Apr 2, 2009
I have written a video player app. Its working fine, but the problem is the screen is going to in sleep mode after playing some time. When I click on "Menu" button on the device, then only it wakes up.
How can I solve this?
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Jun 11, 2010
I want you guys to test the new email notifications when the device is connected through WiFi.
For this you've to set the WiFi sleep policy to never and the Background and Auto sync option needs to be checked.
Well, I don't get any notifications. I went an extra mile ahead and pinged the IP address and found that I get "request timed out" error when device is locked and when it is unlocked, the packets are received properly.
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Jun 10, 2010
How do I make it so when my screen turns off when I pause while writing a text or email it doesn't lock and make me re enter my password.
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Apr 27, 2010
Well now that voice dialing works for us, another step backwards it wont work when screen is asleep. Works fine when screen is on but as soon as it goes to sleep, voice commands won't go through?
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Aug 9, 2010
I thought I would put one of the available pedometer apps on my Incredible, thinking it shouldn't be too hard to find one as handy as what my old Sony Walkman phone shipped with (it ran when the screen was off, tracking my whole week's walking). Needless to say, I am disappointed that HTC does not support this functionality, causing any installed pedometer apps to quit counting steps as soon as the phone sleeps. With the supercharged battery which I plan on buying, I wouldn't be sweating so much the power consumption, and it's really disappointing to be left without the choice to let programs of my choice run. Will there be a fix for this problem anytime soon? Anyone happen to know, of if there's something else I can do about it?
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May 3, 2010
When I have wifi on I have full bars and fast browsing etc on my device but I notice Activesync emails don't always push until the device sleeps for 10 min or so when the wifi shuts off.
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Feb 3, 2010
What kind of connections can we open on Android? Which of the following is possible?
- USB - Serial port - Infrared
I know that Bluetooth is possible, but are the other ones too? And if yes, which classes I have to use?
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Apr 20, 2012
I have searched for this for a while now and have not found what I was looking for (if something like this even exists). Is there an SDK of some sort or a package program that would basically give a place on a server for a database and a membership system that is easily integrated into a android app I am developing? Something that would connect the users in my app like they do in instagram, or words with friends, or pretty much any other multiplayer game. (i am not looking for a facebook connect, or a twitter connect. just something that connects just my app together so to speak)
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