Running Applications
Hi, im considerably new to the whole android development i have a g1 since early december and have upgrade it to the modded JFC 1.31 ADP. I also have the adp spl i think thats what u call it .
My question relates to the running processes/tasks/programs. I am concerned about the amount of programs that run in the background. Is there a way to cut down on this?
I have already removed Calendar, Amazon, Calculator, Calendar Provider seeing as how i do not intend on using these as for calculator i have installed a scientific calculator.
Its more or less Facebook, Craigslist, Imeem. The other bckg progs Gmail, Messaging, Alarm Clock are all smth i use so therefore i have no issue on that but ive tried editing settings on Craigslist, Facebook, Imeem and others to change the update interval and have maxed those out but still tend to run in the background i use the programs but i dont need them to update themselves.
Edit: I have also stopped the auto sync on Calendar, Gmail, Contacts Seeing as for Calendar i dont need it, Gmail i check it often, Contacts i dont use on my gmail service.
Have you got the task manager app from the app store? Thats what I do, and kill all the apps I don't need active.
TimSykes said:
Have you got the task manager app from the app store? Thats what I do, and kill all the apps I don't need active.
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Yes i have, however they keep coming back up!
yeah I know some of them do. to me I don't know why alarm does. I don't even have a alarm set on my phone.
They come back due to the way android handles and saves tasks. The OS will keep resurrecting them thinking they are just dormant and were axed by them.
ArronL said:
They come back due to the way android handles and saves tasks. The OS will keep resurrecting them thinking they are just dormant and were axed by them.
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So is there a way around this or not?
yeah.. im having the same problem, i shut them all down via task manager, but after like 1 minute i go back in there and they all come back up, is there any way to make them be off permanentally till you use them again?
tbh, the way the android works, if it keeps bringing these programs back they're probably not eating up too much memory.
in fact, no matter how much crap is running in the background i've never experienced any lag or anything. makes me wonder if there's any point in killing apps, except for ones that may be constantly connected to the internet.
Meltus said:
tbh, the way the android works, if it keeps bringing these programs back they're probably not eating up too much memory.
in fact, no matter how much crap is running in the background i've never experienced any lag or anything. makes me wonder if there's any point in killing apps, except for ones that may be constantly connected to the internet.
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Well i definitely notice a lag, although i agree with you on the applications i removed like 80% of them now just using ones i need and just installed the 1.41 everything works great. But run about 10apps let them run in the bckgs and slide the main application tab on the home screen up and down and scroll through the programs. Then kill about all apps but 3 to account for ones you need and try it again you should most likely notice a difference.
Not on lag but background processes use up battery to, I did a wipe and have like four apps on my phone: aim astro any cut and ak notepad (wow must like A's) but my battery life is noticible better than before, I can go a whole day with out having to charge vs having to charge every few hours
does anyone know of a startup manager for the G1 for EG when i reboot or start up my phone i get a lot of services and programs which i use but do not want to start on boot.
i can use task manager to close them once the phone is started but wouldt be happy for something that disables these from the start.
Has anyone found a way to modify what OEM apps boot at startup?
So using Task Manager for Root Users we get this peek into what's ?running? on our phone. or am i sadly confused..
upon initial boot and after letting the phone boot fully (about 3 minutes) i get this list in my taskmanager..
Task Manager ---not oem
Service Viewer ---not oem
MyFaves storage
Messaging
Voice Dialer
Google Talk
Maps
Calendar
Alarm Clock
Power Manager ---not oem
Missed Call ---not oem
Messaging
Phone Recorder ---not oem
MyFaves Storage
Voice Dialer
Google Talk
Maps
The list remains the same even after several refreshes..
...oddly only after killing a few tasks this is added?
Gmail
note: at this point in service viewer/tasks, only taskmanager, launcher and service viewer are present..
After killing every process through multiple refreshes messaging (which I assume is a critical app tied to the notification bar) is the only thing that remains until i load something else..
First question..are the apps listed in task manager actual hurting my battery/memory/cpu performance?
Secone question..Is there any way to auto-kill these tasks upon boot, other than by removing them? Or is there some boot.ini type file that could be editted?
sry for the long post, just curious if something can be done...
Yeah id also like to know how to manipulate what starts up on boot.
Any dev should be able to tell us.
Plenty of apps start at boot.
Seriously I would LOVE the answer to these questions. Thanks
Now while this isn't coming from a dev, when I look at the running app list I often see things I haven't touched, but they won't start unless the phone's been idle. I think what happens is it actively fills empty ram with programs so they will start faster, so I think it's just in the nature of Android.
Fushichou said:
Now while this isn't coming from a dev, when I look at the running app list I often see things I haven't touched, but they won't start unless the phone's been idle. I think what happens is it actively fills empty ram with programs so they will start faster, so I think it's just in the nature of Android.
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yes but dont they use up cpu/memory/battery? plus i dont think the programs are so resource heavy that they would need a process running.
An answer from a Dev is what we need
I think what we need is an explaination as HOW a program can autostart on boot. If every program on my phone (stored to sd) started automatically when I turned on my phone I'll be waiting a week for it to start up. There has to be a script that these programs add to or something to run these program automatically. Either that or it's the programs themselves that are set up to start up by themselves. Where if that's the case I think we're screwed.
I'm also VERY interested in this.
Also, how to keep apps from auto-restarting once you kill them. PixelPipe has a background service that, once you start the app after reboot, it won't die. Their app support guy states otherwise tho, heh.
Also, I like how the OS says a program has "died"
I wouldn't really worry about it. For one most of those processes will be sleeping. They use no CPU time when they're in this state. Some processes register an event with the kernel and just sleep forever until that event occurs and the kernel reactivates the process. Some processes sleep for a specific amount of time, wake up and do some task, then go back to sleep. In both cases the number of CPU cycles being used are likely negligible. Most of those start-up programs will fall into one or the other category. The stuff that does take up a fair amount of CPU cycles are things like the multimedia system, the UI system, messenging, etc. In other words, the stuff you want to keep running.
Also, I wouldn't pay too much attention to those memory usage numbers. There's heavy use of shared libraries in the system. Ordinarily processes are only allowed to access memory that is allocated to them. This memory is where the process stores the bits that make up its code (stuff that doesn't change) and where it stores its working data (stuff that does change). Its actually more complicated than that but this will suffice for now. Libraries that are not shared are accessible only to the process that is using it and is stored in the memory allocated to it. Libraries that are shared can be used by multiple processes. These shared libraries are allocated to one place in RAM and when an app needs to use one of them the kernel takes care of mapping the location of the library so the app can access it as if it was in its own memory space.
The memory usage numbers you are seeing do not take into account these shared libraries. An app may be using only 1 or 2 MB of RAM but since it uses a shared library the RAM being used to hold the library is also counted and the size could be shown as 20 or 30 MB higher that what it actually is. You could kill a process and recover some memory but its probably not enough to be worth it since more than likely most of the RAM being used was in shared libraries and they'll still be there after the process is gone.
numerik, thanks for the info. But now I guess my bigger concern would have to do with this part:
Some processes sleep for a specific amount of time, wake up and do some task, then go back to sleep.
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Similar to the problems we run into in windows. Some lame program gets added to msconfig (be it a m$ app or wicked virus), it sits there idle when you fire up your computer uses a minimal amount of cpu amd memory then does who knows what whenever it wants.
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do someone compare these 3 apps compress rate? Neopard is my favorite too. but I never compare the compress rate
Someone know if neopard is still working?
It was my favourite too, tried it today without success
Or any other app as good as neopard?
Hi! I'm trying to store my personal pictures/videos/documents online. I don't really care for features like syncing, as long as the storage is reliable and accommodates large files (my videos which are sometimes over 1-2 GB per file).
I didn't want any paid option so I have explored some Chinese options that offer 10 TB, but they were unusable because of the connection was not reliable (I tried Baidu, but can't get past the authorization requiring Chinese cellphone. I also tried Tencent, but I the upload speed was abysmal and often would get disconnected making it impossible to upload my photos).
So I would be willing to pay for a good option that can supply at least 1 TB (preferably a little more) of online storage. Please share your expertise!
dillonkor said:
Hi! I'm trying to store my personal pictures/videos/documents online. I don't really care for features like syncing, as long as the storage is reliable and accommodates large files (my videos which are sometimes over 1-2 GB per file).
I didn't want any paid option so I have explored some Chinese options that offer 10 TB, but they were unusable because of the connection was not reliable (I tried Baidu, but can't get past the authorization requiring Chinese cellphone. I also tried Tencent, but I the upload speed was abysmal and often would get disconnected making it impossible to upload my photos).
So I would be willing to pay for a good option that can supply at least 1 TB (preferably a little more) of online storage. Please share your expertise!
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i have been using mediafire for quite a few years. https://mfi.re/?04dtlq6
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I guess what I'm trying to say is, I need help figuring out a backup strategy that works for me. I recently upgraded to the Nexus 6P, but the santecmonious dweebs at Best Buy only had the 32 GB model in stock--no matter how much I yelled at them and broke everything, they just didn't have any 128 GB or 64 GB to sell. So I'm looking for the smartest way to do this right, without eating up a lot of space.
1. I have installed TWRP, TI backup and Franco Kernel. Each offers backup options--does it make sense to use more than one? How do I decide?
2. I'd like to automate backups that will quickly and easily restore my phone from nothing--call logs, text message history, app settings, system settings and user data (e.g. photographs, videos, recordings, downloads files saved by third-party apps). Basically, if I were to format all the data on my device and install android N tomorrow, I want to be able to pull something simple off the cloud that restores everything. It seems like google has the apps and contacts piece dialed, so I don't need to back any of that up.
3. I'd also like to schedule local backups, but without all the big user data files--For that much I can just count on the cloud.
Hit me
Guys I have problem with Android smartphones. I am not the youngest anymore and remember the first PCs and first smartphones with 32x less memory then an average handheld device has today. I played with them all and know what they could do. The thing that still continues to surprise me till today on Android is WHY the heck can't an app stay in memory without being quit on the first occasion?? I really think that Android will never be usable for any serious work if things keep closing or reloading just after a few switches between apps!
Some examples: why can't I switch between Chrome browser and Onenote to type something without having that webpage be reloaded again using more data and sucking more battery power? I learned not to risk writing any bigger post into some forum lately because if I would have to switch to another tab to check some info or switch to another app the in progress text would most likely be lost because webpage would reload! Why is it so risky to switch out of some game to write a message or check calendar because it is very likely to be killed and my progress lost? The phones I used recently (Xiaomi Mi2s, Xperia Z3 compact, Xperia Z5 compact) have frikin 2GB of memory, so I wonder if nowadays apps are so much more memory demanding then before that this is simply still not sufficient. I just checked settings and some apps I just tested use few tens of MB, so it is still comparable to the times of Windows 98 or Windows mobile IMHO.
My first smartphone was windows mobile Samsung Omnia II with just around 90MB of usable memory and let me tell you that this problem was not happening on it! I could have several tabs with webpages (even non mobile versions) open and could safely switch on the camera, take pictures, write an sms and go back without having to worry that anything will be closed or reloaded! Why can't I open a camera app on Android and take a photo without having the previously open app be closed?
I can even compare today's android phones to one of my oldest pcs back in year 2000 or so. Imagine that it had just 64MB of RAM. I could have open many webpages in Internet Explorer (yeah it was far the best at that time , a few editors for web and text editing and I could even play some game and alt+tab back and forth without any problem! That was Windows 98 guys. Of course you will tell me that today's web pages for example are much bigger then in 2000. OK but what about mobile versions huh? I don't think they are that big so a phone with 2GB of RAM would choke.
I always thought that apps are supposed to be paused/frozen when I switch out of them but left in memory. Unfortunately it seems apps are being killed surprisingly often even when settings / memory shows hundreds of RAM free. The thing that is even more weird to me is that apps I had open just a few seconds ago are being closed upon switching to some other one and back, but the ones which I had active hours ago often stay in memory! That does not make much sense. Why doesn't android kill the longest not active apps first instead? OK, so do I have to buy OnePlus 3 or Meizu Pro 6 with 6GB of RAM to be able to keep simple 3 apps open without worrying that they will reload when switching out of them? As I showed this does not happen on much older devices with similar specs, so is this some fundamental flaw/feature of Android architecture or am I missing some simple explanation?
If you have experience with Windows Phones or iOS regarding this please share and compare.
So it seems everybody agrees
But I would really like to know some of your experience with other phones from the fruit company for example...
java
---------- Post added at 07:20 PM ---------- Previous post was at 07:11 PM ----------
> Why doesn't android kill the longest not active apps first instead?
There is some heuristic going on that calculate the oom priority and modifies /proc/PID/oom_adj so. For example (foreground) services have lower oom_adj (less likely to be killed by oom-killer). Actually I ended up adding code to my app that overrides /proc/PID/oom_adj to a really low number to keep it running (but that requires root - I also dont understand why *the user* does not have a chance to say "hey android keep running this app in the background!")
> Unfortunately it seems apps are being killed surprisingly often even when settings / memory shows hundreds of RAM free
Yeah that "low memory value" (ie when to kick off the oom-killer) is also set somewhere in /proc (?) It's 200MB on my phone with 2 gigs ram IIRC. To test what's getting killed (and whenl, etc.) this app is superb: https://play.google.com/store/apps/details?id=com.tspoon.androidtoolbelt
it's all even more annoying because starting even basic apps (like dialer or contacts etc. etc.) takes even seconds(!) if they are not in memory already (on any phone!) ... oh, well, java
Thanks for a reply! Have anybody tried MIUI? There is an option to lock an application and supposedly prevent it from being killed when multitasking. Just swipe up in tasks view and it marks it with a lock. I have just read this article and it seems manufacturers set these LMK values. I have a feeling they are really high for Sony phones. Maybe if I root mine I would be able to change those. Unfortunately it seems without root I cannot even view these values. They show as 0 in /sys/module/lowmemorykiller/parameters/ and cannot be opened. I can't open those oom files either.
yeah, defo need root for this
Oh and it gets worse. Because of this behaviour many apps use a nasty trick of setting up an alarm (usually with wake lock) triggered every second to make sure they are running (if a process is not running and there is an alarm for that process set up, the process is started).
So what happens is that the OOM/low-memory killer kills the app it is started by android framework the next second ... and it might get killed by oom-kiler again ...
It's interesting to run "apktool d foobar.apk" and grep the smali for "AlarmManager.set" on apps that want to run in the background ...
CleanMaster app is good and it saved me from exhausted internal capacity issues many times (on Z3Compact) and it also shows apps which frequently restart. Is that because of what you just wrote? I remember it was Pinterest a lot for example.
and it also shows apps which frequently restart. Is that because of what you just wrote? I remember it was Pinterest a lot for example.
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sounds like it could be the case but you it's hard to tell for sure - you would have to have a look at logcat at least
I have logcat. What would you search for there?