Android :: Way To Delete App Associated Files From External Storage On Uninstall
Jan 1, 2010
It'd be convenient if an application I'm writing stored some files to external storage permanently (so they persist after the application has been exited[destroyed]), but on an uninstall I'd like to do the decent thing and have these files removed to free up the storage.
Is there any way I can have these files removed on an uninstall?
If there isn't (and I'm skeptical), then I'll have to create these files each time. I'm trying to save start-up time and also occupy required space by having them exist permanently.
Note: I need to use external storage, so both internal storage or a DB would be inappropriate.
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Sep 20, 2010
I am storing image in External storage using MediaStore,and send email with attach that image,image saved and sent email with attachment is working fine,i want to delete that image in external storage after mail sent.anybody knows,please give sample code for me..
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Oct 11, 2010
I have created a directory and even a file in that directory on the external storage, I am able to read and write into that but the problem is they are not visible on the emulator i.e, in the phone.
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Aug 3, 2009
I created an application which creates and stores files to sdcard. Is there a way to bind the folder with application in order to delete all files when the user runs uninstall on android device?
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Sep 9, 2013
I have tried a lot of custom Roms. I'm on Neat ROM Lite now. Not sure which ROM changed my file access permission settings to cause this problem but I'm not able to delete any files from my external memory card. I was able to delete when I was on stock rom. The other problem is for a few apps I get an error message which says can't install on usb/sd card. I have posted this in another thread some time back but got no response.
This is what my file permission looks like.
I am able to delete when my fone is connected to PC via USB. So I don't think it has anything to do with a faulty sd card.
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Jul 12, 2010
This is the error,"phone storage is full.Delete some files to free space." I have at least 7 gigs of free space.
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Jul 13, 2010
Spent hour and half on phone with Verizon and HTC. No luck. Phone says Phone storage is full. Delete some files to free up space.
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Feb 26, 2010
My .mail folder contains a bunch of files I can't identify what they are or what they are used for. I have moved ALL THE FILES AND TOKENS to a temp directory and my Here seems to be working fine with the .mail folder empty. I think these files have something to do with email I receive and delete. Has anyone ever cleared out this directory to conserve storage space? Are these useless files and can be deleted?
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Dec 4, 2013
How to stop phone from displaying "low storage, uninstall apps to free storage. "
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Apr 30, 2010
Is there a way to access an external mass storage device from the USB port of an Android phone? I have a project I'm working on, but I'm stuck on that part.The goal is to plug my DSLR into the phone's USB (I made a specific cable to do just that) and access the pictures from the phone, then with my phone running an FTP server app broadcasting over WiFi, access the pictures on my camera from my computer.I'm stuck on accessing the files on my camera from Android. Is this even possible?
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Jun 4, 2010
Are there Android API's to access data from an external USB device, such as a hard drive? I need to write an app to interface with an external usb device, is this possible? What system calls are used?
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Aug 18, 2010
I've started seeing some apps that offer to read/write data to the internal phone memory (like Super KO Boxing 2, which offers to save a whopping 52MB to the phone memory). I suppose this is because newer Android devices have a lot of internal storage, as opposed to my devices, which have very little. I would like to support internal storage in my app as well.
But it's a bit difficult to implement a solution to something that I don't really know how it works. For example, do these newer devices allow users to upload files to the internal memory, like it's possible to do with the SD card? Can someone explain internal storage from an user perspective and recommend strategies for supporting read/write operations both for internal and external memory (ie: letting the user choose which memory to use at startup, like the Super KO Boxing 2 app)?
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Oct 3, 2010
I have a question about where people expect me to store my application data. I have an application where the user will enter information via the keypad, and download information (including images) from a website. Where is the proper place to save this? Internal or External Storage?
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Jul 6, 2010
I have an app that accesses music and I had at least one user complain that some of his songs are on internal storage and that causes a force close. My question is do I have to do 2 calls for each song now or can I make a query that will look at both the internal and external memory?
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Jul 24, 2010
I would like my Activity to be informed when the SD card is removed, since it relies on files from the SD card (to keep apk size down) but for compatibility reasons is not targeted at Froyo. I'd like to close the application when the SD card is removed/mounted (giving the user a dialog message to inform them of course) so that I don't get IOExceptions etc (I'd quite like to not have to check everytime I load a file to see if the external storage is available, I already do a check on application launch). There doesn't seem to be any attribute in the manifest for this (like configChanges) that I can find.
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Jul 2, 2010
How do you check if the SD card is full or not so that your application can decide if it can continue to do its job i.e. write to external storage or notify the user that storage has run out of space.
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Jun 25, 2013
I flashed CM 10.1 Final Release on my Sprint GS3 and whenever I try to use the camera or gallery, I get a message saying "No external storage available." SPH-L710
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Nov 5, 2010
In my application I load a couple of images from JPEG and PNG files. When I place all those files into assets directory and load it in this way, everything is ok:
CODE:..................
But when I try to load the exact same images from sd card, I get an OutOfMemory exception!
CODE:..............
This is what I get in the log:
CODE:...........
UPDATE: Tried both of these on real device - it seems that I can't load more than 12MB of bitmaps into whatever is called "external memory" (this is not an sd card).
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Mar 9, 2014
Recently I started using 32GB card with my Micromax Canvas HD and everything is working only for when I try to connect my mobile to PC for file transfer via usb storage I can see only two drive one of CD drive of mmx and other internal sd drive and I can see one more drive but it is not mounted which is my external sd drive when clicked on it, it asked to enter disk.
Solution tried so far by me
1. I have erase external sd card in mobile itself.
2. Reset the entire phone.
3. Uninstalled the mmx driver on my PC and reinstalled it.
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Oct 2, 2013
I have purchased iball slide 3G 7271 ( 3G model ) (Android version 4.0.4) in India. Available Interneal SD memory 2GB.I have external micro SD card slot expandable upto 32GB.
I have downloaded and installed many games in it...but now whenever I try to download new ones , it says "INSUFFICIENT SD MEMORY"
In order to use my external SD card for installing the games and other things....
I have gone through Google search and found ""FolderMount "" software and downloaded to my tab.
I have installed also. It was successful.when I open FolderMount, it says......""serching for root "" ( with one EXIT button to cancel)....and doing nothing beyond that.
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Sep 2, 2009
From the Android documentation:
"You can store files directly on the mobile device or on a removable storage medium. By default, other applications cannot access these files. "
I could write to the sdcard (/sdcard/file.tmp) and other apps could access these files, right?
I would like some local storage that I can write files to (and read from later) that are not accessible to other applications, and I will always have access to. The problem with the sdcard is that if someone plugs in a USB cable and turns on MSC, my application (and all applications on the phone) will lose (both read and write) access to the /sdcard directory. So I need something more reliable.
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Oct 18, 2010
Does anyone know how to access programatically the internal(flash) and external(sd card) storage values such as space used and space available? I cant seem to find an api anywhere?
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Oct 9, 2012
None of the Google Applications support external storage, Gmail 4.1.2 won't send documents attached from an external sd card, Play Movies & TV won't allow you to specify a external card as a storage location, pinned Google Drive documents can't be stored on an external card, Play Music sucks up internal memory. Try sending an attachment using Gmail from a Motorola Xoom, a "Google Experience Device".
How do we get Google to support this? Most other email applications support it, but as a Google Apps Enterprise user I want and expect the native Android email application to work.I use external storage on a Galaxy Note 10.1, Galaxy S3, Razr Maxx and Transformer Prime.
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Oct 15, 2013
So I have this GT n7000 with android 4.0.4 ICS, rooted. I want to swap my 32 gb external sd card with my internal one. I googled it, found a method that included replacing a vold.fstab file in system/etc but that was only for jellybean. I need a method for ICS. Also I can't understand what usb storage means. Is it different form internal sd card??
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Jul 14, 2010
My application creates directory on SD card for syncronisation purpose. Tell me please, is there any way to delete this directory on uninstall? May be I could add some string to Manifest or catch "uninstall" event or something else?
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May 7, 2013
How can I install app on external sd card and not on internal storage.
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May 8, 2013
I finally upgraded to android, i got the cheapest phone possible(kyocera milano) which seems to be a mistake. The phone has only about 300mb internal storage and can barely handle its own updates(because of the limited storage). so i would like to know if its possible to make the phone "think" that some of the sd card is part of its internal memory? I found an adb driver for it(dont ask me where or which one because i had no idea and started messing with one until it worked) i have not tried rooting but can if i need to.
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Apr 6, 2014
I have Zenithink ZT-280 ZT 102. When I try to turn on it's only "System is demaged, please try to recover from external storage." I tried to enter fastboot (Home button + Power On) but it doesn't work. When I connect device to PC nothing happens. Is there any chance to repair it?
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Aug 8, 2010
Where do I go to find out how to uninstall or delete an "app" called Snatch v3 Soundboard?
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Sep 20, 2010
I want to know that how to delete all application related data, folder & files when we uninstall application from the device. First tell me it is possible ot not and if possible then please let me know the procedure?
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