HTC Desire :: Wifi And Sleep Application
Apr 18, 2010
i have just got a new htc desire and love it have read this http://androidforums.com/htc-desire/59664-htc-desire-tips-tricks.html which is very good but have a few qu's:
1) do background apps use any/much power?
2) does wi-fi switch itself off if it is not needed or when there is no connection available? (i have wi-fi at home and unlimited internet so if i leave wi-fi on when i'm at home, after i leave will it switch itself off?)
3) is there an app for sleep that monitors your sleep using the inbuilt sensor so that it wakes you up when you are ready with a set time period (for example 7:30-8:00) and monitors how much you move about at night?
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May 2, 2010
How do I set the policy to switch WiFi off after say 15 minutes of inactivity?
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Jun 4, 2010
I installed juice defender this morning then deciding i didnt want it i uninstalled it, since then my wifi keeps going into sleep mode after about 15 mins which i dont want. before i installed juice defender it just stayed on all the time so i got notifications etc. ive reinstalled juice defender and disabled all its features as far as im aware but wifi is still going into sleep mode. what can i do to get my wifi back on all the time.
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Nov 22, 2010
I've checked the various forums and it appears that others have the same issue as I do. Basically, when I am connected to WiFi, I cannot send emails. When not connected to WiFi, I can send emails. This is a case for my email account with Shaw Cable (my home Internet provider). I have no problems sending emails from my Hotmail account on WiFi or not. The reason appears to be that my wireless carrier, Bell Canada, does not allow me to use my home Internet provider's (Shaw Cable) SMTP server to send emails. If I am on WiFi on my home email, I can send emails via Shaw's SMTP server. If I am not on WiFi, I have to use my wireless carrier's (Bell) SMTP server to send emails.
However, If I do this, when I use my WiFi at home, Shaw does not allow me to use Bell's SMTP server to send emails. The way I can always send emails where ever I am is if my email app only uses my wireless carrier to send emails. The email app on my phone, the Desire Z, will always use WiFi if it is available. Only if WiFi is not available will it use my wireless carrier. I cannot seem to find a way to force my email app to only use my wireless carrier. If someone figured out otherwise, please let me know. I have recently switched to an HTC Desire Z from a Nokia N97. When I had the N97 (which runs Symbian), I have always been able to send and receive email where ever I am. For web browsing, it uses WiFi if it is available and switches to my wireless carrier if not.
I am very disappointed that it appears the Desire Z is not able to do the same (unless there is a way and I just haven't figured it out). I have managed to figure out a workaround to my situation. If I send an email from my home, I will simply turn off WiFi. After sending my email, I'll turn WiFi back on. Although this works, this is just really combersome. Even though I'm at home, I do not always have my PC on to send emails and I am not going to wait several minutes for my PC to turn on so I can send an email. If it is a short email, I would rather reply via my phone rather than turn on my computer. Although manually toggling WiFi for sending emails is not too combersome, my expectation from a smartphone as advanced as the Desire Z is that I do not have to do that.
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Feb 6, 2010
I'm seeing that some users are downloading data via my application and their connection is dropped because the WiFi is going to sleep. Could I somehow take control over WiFi to keep it alive and once I'm done I return it to it's default state?
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Sep 14, 2010
I've heard everyone mention that setting wifi to never sleep has helped battery life but I can't figure out where to find the controls for that policy.
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Jun 14, 2012
I have a smartq t20 tablet (great cheap tablet!) running ICS, my question is, when I leave wifi on all the time, what happens when the tablet goes to sleep (not awake according to the battery details)?I can leave a download running and it would continue when the screen is off, does this mean my tablet is never going into deep sleep? Or is that unrelated?
I know the wifi itself drains more battery when left on even if it isn't being utilized but I was wondering about the CPU side of it.
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Dec 12, 2009
I'm confused about the WifI Sleep Policy. What does it mean for wifi to sleep, does it mean to stop searching? Mine is currently set to "when screen turns off", but I've seen others suggest that it be set to "never".
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Nov 7, 2009
I downloaded Locale recently and it looks like a good app. I have set it to turn on my Wifi shortly before I get up in the morning to allow it to download some files (Guardian App and hopefully some podcasts). I've set Guardian to only download the newspaper via Wifi. For some reason Locale doesn't seem to be able to switch the Wifi on unless I awake the phone from sleep. I've been into the Wifi sleep policy Setting menu on the Hero and set it to never. Any ideas why it's not working?
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Nov 2, 2010
Is there an app that can turn off my wifi whenever I put my phone to sleep? To conserve battery, I always have to turn off my wifi before I turn it off, and turn it back on when I unlock it. After a few days of this, it gets pretty annoying. I'm used to the iPod touch where when you sleep it, the wifi automatically turns off to save battery,and when you unlock it, and turns it back on. It would really save me the time.
Also I noticed this Wifi sleep policy thing. I don't really understand, can someone elaborate or explain more. Is it that when your not using your wifi for +15 min, it automatically turns off? Do you turn it on manually, or does it do it auto when you starting using wifi programs like browser.
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Oct 6, 2010
I have a service which polls a server at certain intervals. I use an AlarmManager and a BroadcastReceiver to start the service. My problem is that after a certain duration, even though the WiFi is still enabled, but for some reason, my application can't contact the server. I get an "Unreachable network" error. Note that I've already acquired a partial wake lock as well as a wifilock. Here's my code for the BroadcastReceiver.
public class ServiceAlarmBroadcastReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
WakeLock wakeLock = null; WifiLock wifiLock = null;
try { PowerManager pm = (PowerManager) context .getSystemService(Context.POWER_SERVICE);
// acquire a WakeLock to keep the CPU running
wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "MyWakeLock");
if(!wakeLock.isHeld()){ wakeLock.acquire();
} Log.i("ServiceAlarmBroadcastReceiver", "WakeLock acquired!");
WifiManager wm = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
wifiLock = wm.createWifiLock(WifiManager.WIFI_MODE_FULL , "MyWifiLock");
if(!wifiLock.isHeld()){ wifiLock.acquire();
} Log.i("ServiceAlarmBroadcastReceiver", "WifiLock acquired!");
context.startService(new Intent(context, ThePollerService.class));
} finally { // release the WakeLock to allow CPU to sleep
if (wakeLock != null) { if (wakeLock.isHeld()) {
wakeLock.release(); Log.i("ServiceAlarmBroadcastReceiver", "WakeLock released!");
} } // release the WifiLock if (wifiLock != null) { if (wifiLock.isHeld()) { wifiLock.release();
Log.i("ServiceAlarmBroadcastReceiver", "WiFi Lock released!"); } } } } }
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Sep 25, 2010
back with 2.1 there was the issue with GPS, and once it was activated not allowing the phone to "sleep." You could see the results of this in the "Battery History" screen that Spare Parts would give you.First of all this does not seem to be fixed with 2.2 unless im missing something in my settings, and actually it seems to have gotten worse.Even when i change my WiFi Sleep Policy to turn off when "screen is off" it seems as though the phone cannot go to sleep, and my Wifi is not turning off as it should.
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Dec 3, 2013
My android 4.1.2 really turns off the wifi when in sleep mode. I see it in the battery monitor.
But after I formated the cellphone, It started with the bug of not turning off the wi-fi in the sleep mode, even when set to do it Maybe some app that I installed before has changed some internal settings!
Before, my battery was lasting almost 4 days, I not use it too much, but now it lasts 2 days only... and I have sure that it's because of the wi-fi bug.
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Aug 2, 2010
What is your take on the WiFi sleep policy. I do like the fact that Wi-Fi can remain on all the time, but will it be a drain on my battery? Is it better to keep the Wi-Fi to sleep on screen shut off? I am near a Wi-Fi connection for most of the day and always at home.
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Jul 22, 2010
If you go to Settings->Wireless and Networks -> Wifi Settings and then hit the Menu button (the one with for squares on the bottom left) and go to advanced there is an option for Wi-fi Sleep Policy. It looks like the default is to turn off wi-fi and switch to mobile data when the screen turns off? Is this the optimal setting? Wouldn't you want it to never turn off (assuming you are in range of wifi)? That way any alerts etc. are all handled over wifi instead of data?
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Jul 26, 2010
I am trying to write the system setting using:
Settings.System.putInt(getApplicationContext().getContentResolver(), Settings.System.WIFI_SLEEP_POLICY, Settings.System.WIFI_SLEEP_POLICY_NEVER_WHILE_PLUGGED);
But it force closes my application. Any Idea? My has user following permissions:
<uses-permission android:name="android.permission.WRITE_SETTING"/>
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/
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Jul 22, 2010
I am new to smartphones and thought that this might be good for others who are new and don't have the unlimited data plan grandfathered in to know.
This was posted in reply to another question I had had about Pandora so the credit goes to poster MeVirtually.
By default the wi-fi setting is set to go to sleep (and use cellular data instead) when the screen is off, which will most likely happen while you are streaming music as well as other things. To change it so the wi-fi never turns off, to into the phone's menu -> wireless and network -> wi-fi settings -> tap the menu button and select advanced which has an option for wi-fi sleep policy that had been defaulted to sleep "when screen turns off". There you have the option to change it to "never" or "never when plugged in".
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Sep 18, 2013
I have samsung galaxy S2 with 4.1.2; when my phone goes in sleep/lock mode the wifi disconnects. when i unlock my phone then wifi connects again. I installed many wifi keep alive applications but none of them work wifi keep alive application which keeps my wifi session on -- even if my phone is in sleep mode
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Jul 11, 2010
After the screen goes off after 1min (or whatever you have it configured to) is the only way to get it back on to press the power button at the top of the phone? I find it a little awkward - can't I just press the button on the bottom front of the phone?
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May 27, 2010
My first post here, hopefuly, one of many. wi-fi and sleep app I am looking for the same thing. An application that monitors your sleep. It exsist on iphone, and found that pretty nice.
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May 11, 2010
I know they have this for the iPhone. Anything similar for the Android?
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Nov 3, 2010
If it is possible to keep an Air for Android application alive during sleep, how can it be done? I know how to prevent sleep and lock but this course is not preferable to some users.
Update
The reason in this case is to keep the video streaming from the phone to a server.
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Jan 26, 2010
I am using a service in my app. But it doesn't seem to work in sleep mode. I have implemented startforeground to prevent it from shutting down but it still does. Following is my code.............................
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Dec 1, 2010
After noticing my battery was draining quickly, and then after reading this thread, I installed Android System Info to see what was draining my battery so fast. I notice that whenever I would turn on WiFi, the phone will never go to sleep , regardless of what I set the WiFi sleep policy to. After turning off WiFi, the battery still drains heavily.
The WiFi will shut off after 15mins (if you set it to "When screen turns off" or "never when plugged in"). However it seems to keep the CPU on causing it to drain down the battery.
It would seem that whenever WiFi is enabled, the Android system process creates a partial wakelock that does not go away even if you turn off WiFi. The only way to resolve this is by powering off or rebooting the phone.
You can verify this in Android System Info by going into Battery-History-Other Usage-Partial Wake usage to see how much time the "Android System" process holding a partial wake.
I even did a factory reset on the device; and it is still happening so it doesn't appear to be any app that caused the issue. As I said, it works fine as long as I don't enable WiFi.
I already know of two users having this issue, but I'm wondering if folks having battery problems are going through this as well. Is anyone else having similar issues after using WiFi? I'm hoping someone will be able to identify what exactly is putting the wakelock on and we'll be able to find a fix for it. Other than not using WiFi at all or rebooting the phone after using Wifi.
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Feb 18, 2009
the thread sleeped not killed and it wakes up after 10 sec and try to post message and it causes exception. is there any way to kill the threads those are in sleep mode while exiting the application?
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May 24, 2010
I'm having to move networks from Virgin back to o2.
I'll be returning the Virgin Desire and just received the o2 Desire today.
Setting it up went well, accounts added etc. but I'm having trouble with the WiFi - I can't disable it, every time I do it switches itself back on - I'm assuming that's something to do with the o2 firmware and it wouldn't be a big deal if the WiFi worked properly
I set it to install all my apps, but wouldn't over Wifi, only over 3G, I can't browse the internet or check for software updates in settings... I've got 2 email accounts set up - Gmail & Exchange (just as I did on the other handset), and it's just told me it can't sync to the Exchange server now though it seems to have been fine so far...
Yet I've just sent myself a test email over WiFi successfully - it appeared straight away in the webmail and then back on the handset, so some part of it's working...
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Jul 26, 2010
I have just got my HTC desire. And i cant stand that i have to press the power button to get out of sleep mode to show the lock screen. wish i could just press menu/home or any of the buttons but the power one right at the top. I only say this as i swear my htc tattoo unlocked in this way. if not this could get quite annoying. So is there anyway to change this. I have tried looking through settings but i have a bad feeling you cant change it.
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Sep 28, 2010
is there any way to use the trackpad to wake the phone instead of the button on the top?
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Sep 29, 2010
I just bought the phone, and have been charging it for a half hour or so, and it keeps shutting off(or going in sleep mode) while I am trying to set it up.
My first thought is that it needs to charge; I admit, I barely let it charge right out of the box because I am so anxious to use it. Is that the issue? I assumed that even if the batter is at 5-10%, shouldn't it work without issue if it is plugged in to the wall and charging? I will let it charge another hour or so, but I just cannot wait to get my hands on it.
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May 26, 2010
I want to use the Smart Alarm Clock (same as the Sleep Cycle alarm clock for iPhone), but my Desire goes into sleep mode automatically. Can only pick a time between 15 sec to 30 min. The Smart Alarm Clock doesn't work properly because it requires that the screen is on during the entire night. Is there an application or something else than can disable the sleep mode when I want it?
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