Android : Running Apps From SD Card
May 16, 2009
Marcus Maximus from XDA-dev has released a new version of Apps to SD card that will format your drive and correctly create the necessary partitions required to run your apps from your SD card. You still need root for this, but it is so much easier (and faster) now.
App is available in market for .99 or on devs website for free.
Excellent Tutorial by the author here:
http://forum.xda-developers.com/showthread.php?t=512743
Anyone who asks "why root?", this is why, AppstoSD2 ftw.
You still need root for this!
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Oct 19, 2009
I noticed that if i dont use the app to kill running apps after i exit them they are still running in the background is this normal for the Android? I am coming from Pre so not sure if they are killed when exited.
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Feb 2, 2009
Is it possible to boot the phone (ADP1) from a compiled android image stored on the memory card without affecting the contents of the image flashed on the phone?
I would like to do this so I can work with development images, but I didn't want to mess with the factory image.
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Jun 11, 2012
is there a way to limit the ics recent apps to running apps only?
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Sep 11, 2009
No can someone tell me how to partition my sd card so that I can run apps right from the card rather then the phone memory?
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Jun 13, 2010
I have an EVO and I have a problem with it. I downloaded the app Advanced Task Killer to take care of apps running in the background. However sometimes when I pull it up I find that things like Sprint Navigation, Qik, Voice Dialer, and sometimes others are running without me pulling them up. My question is, how do I keep these apps from doing this, because they kill my battery when they come on and I don't know it?
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Feb 22, 2010
I am new to Android, previous Crack Berry addict here. On the BB I could load Google Maps (including Latitude) to keep my position updated on Google Latitude online (I use it when I go riding on my motorcycle to give my wife a way to check if I'm still moving (= not dead)). Even if I shut down Maps, I could elect to have Latitude run in the background, so it would still update my position. How do I do this in Android? When I 'exit' Maps, it shuts it down, including Latitude, as far as I can tell. Can Android run Latitude in the background, or do I need to keep Maps open all the time?
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Oct 11, 2010
We are trying to automate our QA process. We make wallpaper apps for Android. Once an app is installed, is there a way to figure out if the application is running since these have apps don't have a main class which we can check by doing a ps on android shell. I think keyboard/language apps would face a similar issue
For eg. If I install tetris and run it. Its main package will show up in shell ps. xyz.abc.Tetris. But the same is not true system apps in android.
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Apr 9, 2010
Any other weekend athletes out there that train for triathlons and are using android apps?I'm new to the app world but am very interested in knowing if there are any running, cycling programs available to track routes, times and with the GPS even speed.
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Jun 30, 2009
I can run an application in background but i want to know how many applications are running in the background.Like in some mobile while pressing the center button a list of currently running applications are displayed.Is this is possible in android.If possible means give some code snippets and steps to achieve this.
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Dec 17, 2009
what I understand there are apps that will automatically restart even after you kill them? I often see things such as Spring Nav, Calander, VM, IM, Voice Search etc etc, in the task screen...even when i havent been on the program all day and have killed it. Why do these start back up and, is there a way to keep them off? I only ask because I notice my phone starts to lag and when i check the ATK i see several draining my memory (and battery?) so I try and clear em out again and it speed up after that. Better app out there? This is really getting irritating...should i uninstall the ATK and let the phone manage memory and would that keep it lag free? I love this damn phone and the things I can be free to do now...just hate having stuff running that slows me down when I dont need it.
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Mar 21, 2012
I made a great app that runs great on android phones.It was obviously written in java.I am wondering now that I have the .apk file is there away to run it on a windows mobile phone.
My friend really likes it alot when he tried it on my android phone.He has however windows mobile phone.
Since it was written in java and runs on the dalvik VM I was wondering if there is a windows mobile phone app that allows you to run a .apk java based android phone app?
In theory all that would have to be done is allow windows mobile to load a dalvik VM to run the .apk file / .dex code.I don't have to reinvent the app for windows that would take alot more work
At that point I would probably be will to take a stab at getting a copy of the dalvik VM if it is not to tied down to the android os and writting on for windows phones to use http:/[url]....
ALso not only would it have to support the dalvik VM but also the android sdk functions...So more like an emulator of the whole android os... so I think maybe it would be even harder then just getting the dalvik VM running because you would have to also get the android os functions emulated as well ... i.e the android sdk... so more like a total android port instead of just a VM port.
Darn I don't think this is as easy unless of course you where just coding an app with a standard more universally excepted package like the J2ME then it would probably be a straight VM port but in that case J2ME is not really supported on the android any way....
So I think forget it for now until the phones are not so dependent on there sdk's / native code ,...etc. I don't blame java since it really is dalivk VM's fault and the fact that on an android the VM code is almost like native os code in that the functions are tied to the underlying machine code/sdk . As opposed to being more portable like a regular java VM.
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Oct 11, 2010
I have a Task Manager program and when I open it up to see what's running and what Apps I want to kill I see these listed:
Alarm & Timer (Never used)
Amazon MP3 (Never used)
AppBrain
City ID
Contacts
Dialer
Digital Clock Widget
Dolphin Browser
Ebay (icon on desktop but rarely used)
Facebook
Gmail
Live Scores (Installed but not used)
Mail
Market
MediaShare (Never set up any devices)
Messenger
Music (I'm guessing this is because I have custom ringtones?)
News (No news widget installed)
News and Weather (No news and weather widget installed)
Quickoffice (Installed but never used)
settings
Skype Mobile (Never Used)
Social Networking (Never Used)
Text Messaging (Don't Text AT ALL)
The Weather Channel
Voice Commands (Never Used)
Why do so many of these things start themselves back up and is there a way to stop it?
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Nov 26, 2009
Anyone using this? Sure it has a price, but this thing isnt using ANY battery life on my phone... I thought these apps running in the background (chat apps) were supposed to destroy battery? I leave this thing on nearly 8 hours a day, and hardly see any battery drain. The UI could use a few tweaks and themes, but for reliability its awesome!
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Jun 6, 2010
I've created a device targeting 2.1 and having a screen screen size of 480x800 (WVGA). Some apps, including the one I'm currently writing, as well as the ApiDemos example, won't run fullscreen. I've uploaded a screenshot here: http://img248.imageshack.us/img248/503/emulator.png. What could cause something like this? If I run these apps on my HTC Desire (which has the same resolution), they utilize the whole screen like they should.
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Oct 26, 2010
I would like a cell phone app to be able to determine how many cell phones around it are running the same app.I'm not sure what direction to start researching (API's,concepts) to understand how my phone would figure out what other phones are running the same app in a specific distance.
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Apr 2, 2010
So, I'm just switching from the iPhone and I am getting used to how the Droid pushes out it's notifications. The iPhone obviously didn't have apps running in the background and it completely relied on push notifications. I am trying to figure out what programs I can kill in Advanced Task Killer that won't block from notifications coming in. Is there any way to tell?
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Sep 29, 2010
A while back I mentioned that running the imported p2p codebase I have on the emulator (on a fairly powerful laptop with plenty of mem and a fast processor) was pretty slow. I blamed all that on the codebase and in fact I was able to profile it and make it much lighter. Well still the overall app performance is slow --- and I am finding that most apps I run on the emulator are fairly slow. Is this a common trend? I do expect emulators, who are by no means a real device, to have such processing delays but are they in general this slow? Any metrics or any other feedback from anyone that depict the factor of slowdowns you would expect on an emulator vs the real device? I know a lot of this are machine dependent as well but consider an idle powerful machine. And regarding memory - I am loading Eclipse with close to 1G to be able to run the emulator and its basic services - is that normal?
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Dec 7, 2009
I have an Acer Aspire netbook which dual boots Android and XP. I am trying to figure out how to (1) look at the file system (with a file manager type of interface), and (2) install an app on it (specifically one that I am developing). It seems like all this should be obvious, but the netbook isn't something that I can just hook up to my SDK using USB so apps don't install on it the same way that they do on (say) a Droid. The environment seems to be relatively closed compared to other devices. Maybe there is a way to ssh into it over the network?
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Jan 27, 2010
I am running into a critical conflict of sorts. My app is a remote service which essentially starts an activity when the screen goes to sleep. How it does this is very simple via screen off broadcast receiver and then an explicit intent to start the activity as a new task. The activity is basically in charge of responding to key events and displaying some simple text.
Thanks to a few window flags added in 2.0, activities can do this. They can be created in a way that either puts them on top of the lockscreen, or completely dismiss the lockscreen. This way they basically have focus without the lockscreen having to be dismissed by user. The alarm clock in 2.0 uses the flags to wake up the device and show the alarm dialog. I use them to place my activity when the screen sleeps so the user sees a custom wakeup lockscreen. The reason we create it at screen off is to get rid of lag the user experiences at wakeup involving first seeing the lockscreen, then seeing the activity appear. Also doing it immediately at sleep allows it to have focus so it can handle key events effectively.
The process works perfectly except in certain apps. So far, it seems the bug is consistent while browser (and even dolphin browser) as well as the facebook app are running. The bug never happens in GTalk or Launcher. It is rare but can still be duplicated in the messaging app every so often. I can't figure out why my activity doesn't get created at sleep while these apps are active. My remote service still gets the screen off broadcast and does the startActivity for the explicit intent, and that's all I get in the log. My onCreate is not being called. Instead it gets called when we wake the screen up again.
I have tried, as a control, to hold the partial wakelock starting when my remote service gets created, and the issue persists. So I don't believe it is a problem that the CPU has gone to sleep. Since only these particular apps cause the issue to duplicate, I can't imagine why the activity start fails. What could those apps be doing to interfere with another app's ability to get created? I use singleInstance as the launch mode so that I can ensure that the activity will never be able to be recalled by user process. I want it to go away when user unlocks and it is working fine like this, as long as it is able to be created. The singleInstance ensures I can have the same lockscreen handle an intent to do something specific based on user actions that the remote service monitors.
my source code can be viewed on my project page. http://code.google.com/p/mylockforandroid/source/browse/#svn/trunk/myLock/src/i4nc4mp/myLock
The issue happens to both my CustomLockService and NoLockService variations. These two services will start Lockscreen or ShowWhenLockedActivity and the bug is witnessed. The build illustrating the bug's end result-- user has to try to unlock 3 times due to the bug because on wakeup when the oncreate finally succeeds, user is seeing the activity when normally it would have auto-dismissed thanks to key event logic that also isn't seeming to happen due to the delayed onCreate, so they have to send it to sleep again. Now that the activity is properly done being started, and screen is asleep, the expected functionality happens at next wakeup-- can be downloaded also from the downloads tab.
This seems like an extremely irrational thing to be caused only by specific apps. I am quite baffled and out of ideas for a solution unless I've made some critical mistake in my activity definitions.
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Jun 12, 2010
Does anyone think some of the issues people could be having are flash running in the background when you navigate away from a webpage to another app?
Since Android is a multitasking OS wont those mini apps continue running?
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Jun 22, 2010
My phone is telling me my internal storage is nearly full, whereas I have a 4gb microsd card which is not being used.
How do I move my applications to the SD card (or how do I have my apps automatically install there in the future)
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Sep 21, 2010
I have a situation, i want to know that following, suppose I have opened 9 apps, i want to open the 10th one, The previous opened apps are in background, if there is less memory available, will some of the earlier opened app be closed without notification or the state will be saved , so that when i open the first app again it will resume rather then start all over again?
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Sep 10, 2010
Have an iPhone and part rely on it for diction and recordings. However a new software upgrade has meant when it's recording it tells you on the home screen if you press the button to wake it up, even if locked. Does the android have voice recording in sleep mode and if so does it do so without it stating it on the screen?
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Sep 25, 2010
Is it possible to create android applications that can communicate with apps running on the computer through USB? Like some sort of reverse "adb forward".
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Sep 6, 2010
I'm interested in the contact one and the one that shows the Apps running with how much MBs are left.
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May 5, 2010
When I kill tasks in ATC and then hold the home button, it still shows apps running. What's up with that?
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Mar 12, 2010
I know several of you wrote your apps and games before 1.6 was out or before you had a trusty N1 or Droid to test on. This led to many apps that rely on compatibility mode, that is, a width (when portrait) that is always 320 to make things work out. For 3D games, this made our games continue to work because when the games are run full resolution, our 1.5-compliant textures get scaled up automatically and become non power-of-two, causing white or black wherever a texture should be drawn (and then users complain that our games are nothing but white!)Well I wasn't very worried about it and I still have a few games in compatibility mode but recently a user contacted me, telling me that one of my games (Light Racer 3D) and a few other 3D games were all white on his Droid. I asked him if he had ever run any kind of tweak utility and he said that when he first got his phone, he installed an app called "Spare Parts" and played with some settings on it. Apparently one of the settings disabled compatibility mode and runs everything full-res, breaking many of our apps and games. Of course users don't know that's what they are doing. They think they are somehow unlocking their phone's potential that their evil carriers didn't give them access to. If only they understood!First of all, if you're the author of "Spare Parts", that's a bad idea. Please don't give users that option. Nothing good can come of it.Second, since there will probably always be some kind of tweak app out there that allows for disabling compatibility mode, it's in your best interest as a developer to update your old apps and make them work at every resolution. Counting on compatibility mode in the long term is a bad idea I think.
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Jun 6, 2010
If I hold down the home button, it brings up a screen that shows the last 6 running apps and you can choose between them. How do you see more then 6? Why does it now show everything? Or does Android only allow 6 apps to run at once?
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Sep 18, 2010
I have a 4fb SD card fitted yet I keep getting a message saying I'm running low on phone storage space. Can I manage this on the SD card?
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