Android :: Storing Data On SD Card In Froyo - Files Deleted When Upgrading
Jul 24, 2010
I have an application which resides on the phone memory but downloads large data to the SD card on first launch (the app needs to be able to work without an internet connection most of the time) When using the recommend directory given in Froyo it seems all files on the SD card are deleted when I install a newer version of the .apk. I'd preferably like the files removed on uninstall, but not on upgrade since the files on the SD card aren't going to change between application versions, and forcing the user to re-download a large file that is independent of the application version does not seem reasonable. At the moment it seems I'm forced to use a different directory to the recommended one in order to stop Froyo deleting all the files when the application is upgraded. Am I doing something wrong, or is this how it is supposed to work (I'm guessing it is)?
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Sep 23, 2010
But are photos and videos taken on the phone stored on the SD card by default? I can't see any properties options to see where my files are stored.
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Oct 14, 2010
Was thinking about upgrading my stock 2gb card to a 16 or 32 soon. So I have a few questions.
1)Since my Dinc is rooted, will I have to copy anything to the new card after formatting it, or should my phone remain unaffected?
2) I know there is class 2, 4, and 6, with each having faster read/write speeds and being quite a bit more. Will those speeds really make much difference when being used in my phone for backups, random files, apps, and music or videos?
3) Can I copy my sd card files to my phone's internal memory and transfer them that way? Or do I need to transfer them through my computer?
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Sep 27, 2010
I have an app which stores some files on the SD Card. After several uninstall and install, sometimes, the files just got deleted. Is that normal for android os to do that? What should I do to make sure that those files won't be deleted automatically?
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Nov 17, 2009
Is there a way to restore deleted files from the SD card using the phone only? or do i have to download a file recovery program to a pc?
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Jul 23, 2010
What files can actually be deleted from an SD card through the file manager? It appears that there is a lot of garbage on there but was hesitant to start deleting what I think is useless as it may serve some function.
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Jul 15, 2010
I am wanting to delete some things from my sd card to free up some space. Can anyone tell me what files to leave alone so I don't jack up my phone.
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Aug 30, 2010
So I installed a theme, and the 8/26 froyo, and the stuff needed to get there, but now I have the .zip's hanging out on my SD card. Once installed, can I delete these from my card?
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Nov 5, 2010
I've been using an 8gig card for a while, but in order to watch a few movies over the weekend (going to my parents) I stuck a few .mtk files on the 4 gig card that came with the phone, the object being to transfer to the laptop once I got to my parents. unfortunately the phone wont boot with the 4gb card inserted, just trying the 8gig one again now.
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May 5, 2010
So as the title states, I'm an idiot and delted everything off of my SD card. The idiot part comes from me getting all gitty about the 2.1 v3 update, not thinking about the pictures and videos that I didn't back up (my music and ROMs already were backed up) and deleting my SD card purposely to get rid of all the old, unneccesary files and folders. Anyways, is there anyway to get these old files back? I've seen another post about a file recovery program but it wasn't very specific.
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May 8, 2010
Well i accidently deleted all the contents of my 4gig micro sd card that came with my htc desire mobile.
all pre-installed folders that were on there are all gone.
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Jun 20, 2010
I have installed PC Companion but every 2-3 days it announce me a new update for my phone X10mini.Is it possible to know which bugs are fixed in each update before proceeding ?Is there a way to save all data before upgrading and restore after upgrading ? (sms, sounds, accounts, software, note, alert, phonebook etc)
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May 27, 2010
I am building an application where in I need to take the data (say inbox message) from a android mobile phone store it in any data base and then use the datas from Db. Here I want the datas from android mob to be directly stored in any DB. Can any one come out with a good idea.
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Aug 19, 2010
I am working on some sample programs, where i have to take the value from the user and store it in the database. I have used DroidDraw to create the XML code for UI.For now, I have just started with a textbox. So, I have to take the value from this textbox and store it in a database. I am using SQlite browser to create tables. I read in some forums, that one way of doing this.
1. Copy the db file in the asset folder of the android project and use the AssetManager class. But i am not able to figure out how to use the asset manager class here. Or if I could get some simpler suggestions on how to store the value from user into the database, it would be great.
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Dec 11, 2009
I try to create 'foo/bar.txt' in Android's /data/data/pkg/files directory.
It seems to be a contradiction in docs:
To write to a file, call Context.openFileOutput() with the name and path.
http://developer.android.com/guide/topics/data/data-storage.html#files
The name of the file to open; can not contain path separators.
[url]
And when I call
this.openFileOutput("foo/bar.txt", Context.MODE_PRIVATE);
exception is thrown:
java.lang.IllegalArgumentException: File foo/bar.txt contains a path separator
So how do I create file in subfolder?
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Aug 2, 2010
What should I do before upgrading to Froyo 2.2? Will I lose anything?
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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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Nov 22, 2010
I don't know a ton about Android but I rooted my wife's EVO using Unrevoked (I think the 2nd rev of Unrevoked) earlier this year. I have been having her ignore the upgrade notice that keeps popping up until now - I'd like to upgrade her to 2.2 so we can have video chat w/ Yahoo Messenger. I downloaded the update and went to install and got the Android guy w/ the Exclamation Mark triangle thing. I've read thru a bunch of posts and it seems like most people recommend either unrooting by various methods then doing OTA update, or flashing a rooted 2.2 ROM.
Most of these posts are a couple months old from when the OTA came out and I was just wondering if there was a better way to go about doing this now that I am not finding. Bascially I want to: Upgrade from rooted 2.1 to rooted, standard Sprint 2.2 without losing any data/apps. Can someone point me to a step-by-step on how to do this or possibly a video walkthrough?
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Jun 20, 2010
Will the data still be there after the user restarts his / her phone or changes SIM / battery?
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Sep 21, 2009
Is it possible to store applications on the SD card without rooting the phone? Thank you for clearing any confusion concerning this matter.
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Sep 4, 2010
1. I run an application called "lockpicker" which allows me to bypass the Exchange Lock screen, which made me put in a password every time I would turn my phone off, or every time I would shut off the screen (which was VERY annoying). I have had no problems with my work email, connecting to it, or with the exchange lock screen since installing lockpicker. In fact, its like the lock screen doesnt even exist, which I love. I hear that lockpicker is NOT compatible with Froyo 2.2, which makes me extremely nervous about upgrading, because if I have to put in a code every time my phone goes to sleep, I will like the phone a lot less.
2. Google Listen - I use this program to listen to 5-6 podcasts that I subscribe to and I find that while it does have some bugs, its simple and the easiest way I have found to organize my podcasts and listen to them. I hear that this doesnt work anymore with 2.2 either (although I could be wrong).........
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Sep 21, 2010
If I already upgraded my Droid X Unrooted phone to Froyo 2.2 with an earlier version I assume I will have to roll back to 2.1 to get the automatic update tomorrow. Is there a way to wait for one of the android sites to get the latest version, download it and do the upgrade myself? If I have to roll it back, what is the best way to do it?
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Sep 9, 2010
Is it possible to preserve file-persisted data when upgrading an app? For example my app stores data under /data/data/mypkg/store. I would like the store directory to be preserved when user upgrades my app.
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Dec 16, 2013
And it's grayed out so I can't add an account.
The phone is signed into my Google account. At least I think it is - it's rather confusing how many different things the phone can be signed into.
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Nov 27, 2013
Just switched from BB 9810 to a Samsung Rugby running Android 4.1.2
I am trying to locate the option to store the emails and text on the SD card.
I need instant access to my emails/texts going back a year or so.
BB had an option to save all emails, and a location.
I just cant find it on my Android.
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Jul 2, 2010
I am developing an application for android phone, In this I need to use at least 400 audio file which can
be played for some respective texts,Now my question is which is the optimized way to do this.One solution is putting all the audio files in the resource folder and referring from there, this will never be a feasible solution as the application size will increase. Is there any way to convert the audio file into some format and dump into the SQLite database and retrievr flexibly.
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Jul 4, 2010
I just bought a rooted Nexus One with a FRF83 build preinstalled. It's been working great but I keep getting messages about installing OTA updates but they always fail (says E: No signature (575 files) E: Verification Failed) I tried manually downloading the FRF85 and FRF91 update, copying as update.zip to my SD updating from the recovery menu but it still gives the same error. From the little info I've found online it may be an issue with the ROM but I can't tell for sure. My ultimate goal would be to go back to stock Android with the latest official Froyo build.
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Jul 21, 2010
If I upgrade my SD card from say 8 to 16 gigs... can I merely copy over the directories from my old card to my new one so that my apps still work the same? Are there any hidden files or directories I need to worry about?
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Oct 17, 2010
Today i made a upgrade from android 2.1 tot 2.2.After the update everything is working very well except the internet connection.It works very well with WiFi but not the telephone connection.When I turn off the wifi I can't make any connection with the internet.Have someone any solution?
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Mar 22, 2010
With 2.1 update fairly imminent, I thought I'd take the opportunity to upgrade my SD card to a 4gb or even 8gb. I have had my Hero since November and love it, but I noticed recently I have just about filled my 2gb card with data.So ... what is the process involved? Is it simply a case of connecting to my PC, creating a folder and dragging the lot >>> swapping the card in the phone >> then dragging it all back onto the new card?
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