Android :: How To Mount The MicroSD Disk Programmatically
Mar 5, 2009
I am a new member of this group, and have tried to post this question twice already and have not seen my post on this forum for a day now. Moderators, please post it, or if you know this has already been answered before, please provide me a link.
I want to know how my application can mount the microSD disk as the USB mass storage upon receiving UMS_CONNECTED.
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Jun 14, 2013
Is there a way to mount the system root to pc as a disk mount cause I want to recovery data from it that I wiped.
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Nov 2, 2013
my mobile samsung galaxy note 2 , i need this feature in htc mobiles when i connect usb " Disk drive mount as disk drive " , i need to use my mobile like flash memory to work on my satallite reciver
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Jun 8, 2010
When I plug my Eris into my PC using the USB cord I select "Mount as disc drive" however I cannot find my phone anywhere on my computer. I've tried restarting my computer and my phone and it still doesn't work.
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Nov 5, 2010
Unable to connect my DINC to my PC to look around, move some files etc.
Yes, I have USB Debugging checked. Yes, I select "mount as disk drive" when prompted.
Appears to be charging just fine after I attach it to my PC, then I go to open Windows Explorer and Explorer sits and spins then crashes. In fact, when I close Explorer and go to my desktop, all I get is the wallpaper (no desktop icons etc). Then, when I unplug my phone, computer acts normally. Same PC that I used to root my phone mind you, so somehow it was able to connect to my phone for that process.
Have rebooted the phone as well, all to no avail. One of the advantages of Android and the DINC is the ability to hook up to a PC and move files around...not being able to do this is becoming a bit of a PITA...
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Nov 7, 2010
When I connect my Evo to my PC, I get no option asking if I want to mount the SD card as a disk drive. I get no notification at all that my phone is plugged into a PC. Do I need to install HTC Sync before I can do this? The manual does not mention it if so. I have tried changing the default setting from "Charge Only" to "disk drive" but no change. The "Ask Me" option is also enabled.
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Oct 23, 2010
I've got a HTC Legend and i'm having a problem with plugging it in to charge via usb.
I use a usb dock plugged into my win 7 machine. I've always had it set to "Charge Only" and change it to mount as disk drive when I require.
However, just starting from yesterday, every time I plugged the phone it, it would mount as a disk drive and show up in windows. Strangely though, the phone still shows in the notification bar that it's "Charge only", but i can't access anything on the sd card from the phone. The only way to fix it while it's plugged in is to change it to "DIsk Drive" then back to "Charge only" via the notification bar on the phone.
I've checked the settings and it's definitely still defaulted to "Charge only" in there but obviously it's not doing it!
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May 4, 2010
I lost my original microUSB cable that came with my Samsung Galaxy, and I went and bought a new one.
But, it seems like data doesn't sleep to work with this cable? Is that possible?
The phone is charging though, but I don't see a new drive popping up in my computer like usual, and I don't see the option of mounting the SD card on my phone..
Do I need a special kind of cable?
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Oct 27, 2010
I am running one of the leaked 2.2 OTA Roms, everything has been working fine, except lately, as of a week or two ago, the phone won't mount as Disk Drive unless I reboot, and it wasn't a one time fix, I have to do this every time. I noticed that when I plug the phone into the computer, I don't get the message saying "Charge Only / HTC Sync / Disk Drive / Mobile Broadband Connect etc." And yes, I have it set to ask me every time, and I even set the default connection type to Disk Drive, and still I unplug it and plug it back in and nothing. I know it connected okay, the computer recognizes it as HTC Android device or whatever it calls it, and the orange light lights up on the phone showing that's it's charging, but in my computer all that pops up is a weird optical drive that I can't access.
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Mar 10, 2010
I went and bought a new 8gb microsd card today, tired of not having enough music to get me through the day. Now, when I connect via USB, I get the normal options to mount and everything. When I choose to mount, the notification shows the option to turn off USB storage, but then just goes to preparing SD card and then I have the option to mount again. I thought that maybe it was the card, but now even with my original card, the same exact thing happens. The phone will read both cards, and both cards can be read in the computer. I also reformatted the 8gb, with the same result. Obviously I need to try another computer, but just curious if anyone has any thoughts. I have seen some people with other issues close to this, but not seeming to find the same issue occurring. btw, my phone is stock.
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May 19, 2010
Does anyone have any ideas on how to mount the microSD card to PC desktop other than to have pull it out of the Droid each time. Please advice
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Jul 3, 2013
A long time ago I had edited a file that is read on boot, in that file is written which one of the two 'partition' has to be mounted as what.
Basically, my 32GB microsd is seen as the internal memory of the device (which would be 12 GB), and the other one as micro sd. The result is that most application would go to the microsd by default, using thus 32GB for apps instead of 12GB.
This is because my microsd is failing. Changed with a new one, and now it is failing again. I suppose my phone has become a 'micro sd destroyer'. Cannot do anything about it, so better to use the internal memory instead of the card for main use..... So how do I switch back to normal mounting (micro sd as micro sd and internal memory as internal memory and not switched up) ?
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Jun 2, 2010
Turning the phone on and off.Rebooting my PC.Done both of these multiple times. Have changed settings in "Connect to PC" and re-set them to see if that would make a difference and have clicked and unclicked "Ask me."option on connecting.What is going on? The phone just starts charging, but I cannot get it to show up as a drive.It worked perfectly until I installed Handcent SMS (which I've since uninstalled).And have naturally rebooted the phone several times since.yet it still doesn't work.I'm really at my wits end. I'm using the USB cable that came with the HTC car charger but it surely can't be that but then what is causing it to not work? The only non-standard things I have on my phone are 3G Watchdog and the Astro file manager. Both of which didn't have any impact WRT to mounting the phone.But now, having just bought some music from Amazon on my phone, I can't get my music or photos off the phone onto my PC.
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Mar 18, 2009
how to measure Disk Activity and Disk Usage on android ? Unfortunately iostat is not available in Android. I would like to monitor Data read and Data written for disk activity and Utilized and Free space for Disk Usage. I found diskstats but I don't know how to read it.
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May 9, 2010
I recently purchased an 8gb sdmicro card for my samsung moment, which i put in my phone, then got home tried to hook it up to my pc with the usb cable...nothning happened, but i got this error warning or so talking about usb malfunction or something, heres a screen shot of what i saw popped up. do i need to install new usb drivers for the phone? also i can hear the pc making that dun dun,... dun dun sound when u plug in a usb device, but it keeps doing it over and over... while the phones charing thru it.
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Apr 1, 2013
When the (HTC Desire) phone is powered up it is unable to mount the SD card, and I am unable to have it mounted from the "Settings > SD card & Storage" menu. Having said that, the micro SD card can be accessed from a computer (when plugged in directly to the computer, i.e. no issue with the card), and moreover, when I am in the recovery mode, I can have it mounted and browse it. By the way, the card could be accessed from the phone until I downgraded the O/S, and managed to have it rooted.
When the phone is running normally, and connected to the USB port of a laptop, the laptop does recognize a device connected (can even do ADB), but I believe because the SD card is not mounted, the phone does not offer the option to make the card appear as a disk drive for computer access.
I am running the original (RUU, Telstra) Android 2.2 (2.26.841.2) on a HTC desire, after I had it "S-OFF'ed". After reloading the original 2.2, I had it rooted.
The micro SD card is a 2GB one, with approx 1.5GB formatted as FAT16 (contains typical file and photos), and 0.5 GB as EXT3 (contains nothing at the moment).
HBoot: 6.93.1002
S-Off ( Revolutionary)
Recovery mode: ClockworkMod v5.0.2.0 (I manually loaded it)
I have searched online for solutions, and have not been able to have it fixed. Others seem to have different issues to that of mine. Usually, they cannot mount the SD-card at all (not even from recovery), or their SD card just needed to be reformatted. I think I have indicated that these do not appear to be relevant to my issue at all. I have also tried "Fastboot oem enableqxdm 0", and it made no difference.
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Oct 31, 2010
So I'm pretty new to rooting. On some themes or roms they require me to Mount System and Mount Data. I have clockwork recovery installed and when I select the option Mount System, it just acts like i didn't select anything. Is there something I'm doing wrong?
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Sep 5, 2010
Trying to follow instructions to sync the music on my Captivate with i-tunes on my PC. Using the "Know Your Cell" website instructions, but I can't get the option to mount my device in order to write from the I-Tunes agent to the device.
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Sep 22, 2009
I am doing a painting program (KIds Paint - you can find in Android Market) and I have a lot of requests to save the content on disk or to wallpaper. I have been searching around but cannot find solution. My guess is that I probably wanted to get the bitmap from the canvas, but I can't find ways to get it. Then I try to set an empty bitmap into the canvas and draw on the canvas, and save the bitmap... but I got an empty bitmap..........
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Jul 2, 2010
I am not sure if this is the correct place to ask this? Admins feel free to move this thread where it should be. HTC Hero with 8gigs of memory installed. 2.1 OS.Like the title says: I am getting an error saying Low on disk space, but I have 6gigs free out of an 8gig MicroSd card. What gives? I suspect all my apps must be installing to the internal memory? Which is low with only 20megs left.I am almost sure that is what's happening. Is this by design? If so, is there a way I can install all my apps to the microsd card? I also have Astro File Manager installed and it is managing my systemapps cache and has placed the dir on: tmp/.astro/ So it's not a cache issue. Any ideas?
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Apr 26, 2010
I just got my first Android phone (HTC Desire) a couple of days ago after using a Nokia 5800 for about a year. The only feature I really miss so far is having my maps installed on the Micro SD card so I don't have to use the network in maps.
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Jul 22, 2010
I do not like windshield suction cup mounts when using a GPS in my car.
I always used a dashboard beanbag mount with my Garmin GPS.
I just bought the Droid X Car Mount and I can now use my Garmin beanbag with it by inserting the ball joint into the back of Droid X car mount - fit's perfectly.
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Apr 29, 2010
I cannot read and write extended characters (French accented characters, for example) to a text file using the standard InputStreamReader methods shown in the Android API examples. When I read back the file using: the string read is truncated at the extended characters instead of at the end-of-line. The second half of the string then comes on the next line. I'm assuming that I need to persist my data as UTF-8 but I cannot find any examples of that, and I'm new to Java. Can anyone provide me with an example or a link to relevant documentation? Code...
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Nov 17, 2010
I would like to get in my file browser File reference to external disk not SD Card. I mean I know that there is method
Environment.getExternalStorageDirectory();
But to my knowledge this will get reference to SD Card. But how to get external disk (say kind of USB storage attached to Android device)? You know that device can have both SD card and external USB stick attached to them.
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Nov 2, 2009
How would I save a drawable to the SDcard (custom folder) and later retrieve it assuming I'm keeping track of the path of the saved item.
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Nov 26, 2009
My app is made of two activities, A and B. I'm considering this sequence of steps: Activity A is started. A launches B [A is paused, B is running]. B launches a map intent [A and B are both paused now]. Now the user is using the maps application and the system decides it needs more memory. Can the system kill only one of my activities for memory, or will it always kill all activities in a "process" in this situation?
Both activities share some static data like:
class Data {
public static String mName;
public void save() {
// write to file: mName;...................
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Jul 9, 2010
I was wondering why you can't access the memory card VIA the phone when connected to the PC Also should I use the eject command in windows to eject the phone?
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May 22, 2010
Is there an app that can help me access my computer's files or just make my phone become an external disk over the wifi? if so can u plz tell me which apps or software i need to install?
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Aug 10, 2010
How can I parse my local XML file located in the systems hard disk.
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Jul 27, 2010
Hey folks HumanMachine here with a little query for those of you who were lucky enough to have picked up a 32GB MicroSD for your phones.I had, and lost mine, in the course of two days. Short story incoming. TLDR Below I was using my phone at work and decided to change my Live Wallpaper, I'd downloaded a few of them and was going through them just to see how they looked in motion. I remember specifically looking at the "Starfield" wallpaper. I then selected the "Battery - Couple the ship's energy source with phone's battery" To see what the option did. I backed out to apply the Wallpaper. And the Droid X locks. Weird I thought, maybe she's just lagged.Turned out a lot worse than that. She was just straight up frozen. Stuck on this unusable frozen starfield. I couldn't quite remember how to reboot the phone. or even if it were possible, Couldn't power her down, so I removed her battery, figured that would be enough to get her back to life.I was met with a message, once the phone loaded up. "SD Card blank or has unsupported filesystem" Not the first time I've seen this issue pop up on the android forums. I immediately popped the MicroSD card into my little USB dongle and attempted to access the MicroSD. Shows up in "My Computer" just fine. but when I tried to access it? "Please insert disc" et cetera et cetera.
I try to format. No dice, Computer won't even find the thing. Try my SD formatter, no dice.Stick the 16 GB card back into the phone, and we're sailing again. And here I am staring sadly at the card.I tried for about an hour more to breathe some life into it. I just couldn't get the computer or phone to read the card. Same error messages.TLDR For those of you who wanted to skip the story SD Card died. pathetically, didn't lose much but still. My question, do we have any idea what the failure rates are on these bad boys? I didn't mistreat or even do much with mine before this issue came up. Hopefully I just had a lemon. Unfortunately, the store I got mine at. Verizon store actually, didn't have any, nor do they know when they will get a shipment of them.I'm bummed. go figure. Time to play the waiting game.
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