Android :: How To Read CID Of SD Card? (MMC)

Aug 8, 2009

How can I read the CID (Card Identification register) of an SD card with Java or C-Code in an Android phone? I tried "cat /sys/class/mmc_host/mmc1/mmc1:*/cid" but at least on the Samsung I7500 Galaxy it does not return the CID of the SD card because it is always the same number with different SD cards.

Android :: How to Read CID of SD Card? (MMC)


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Android :: Sd Card On Emulator Mounted Read Only

May 4, 2009

Using "android-1.5" tagged source from cupcake branch created an sdcard image $ ./out/host/linux-x86/bin/mksdcard 64M sdcard.img launched the emulator to use the above image $ emulator -sdcard ./sdcard.img -scale 0.75 & $ adb shell ls -l drwxrwxrwt root root 200905-04 18:00 sqlite_stmt_journals drwxrwx--- system cache 2009-05-04 18:00 cache d--------- system system2009-05-04 18:00 sdcard lrwxrwxrwx rootroot 2009-05-04 18:00 etc -> /system/ etc drwxr-xr-x rootroot2009-04-29 20:49 system drwxr-xr-x rootroot 1970-01-01 00:00 sys drwxr-x--- root root1970-01-01 00:00 sbin dr-xr-xr-x root root 1970-01-01 00:00 proc -rwxr-x--- rootroot 9075 1970-01-01 00:00 init.rc -rwxr-x--- rootroot1677 1970-01-01 00:00 init.goldfish.rc -rwxr-x--- rootroot 106568 1970-01-01 00:00 init -rw-r--r-- root 1970-01-01 00:00 root drwxr-xr-x roo root 2009-05-04 18:01 dev $ adb shell # mount rootfs / rootfs ro 0 0 tmpfs /dev tmpfs rw,mode=755 0 0 devpts /dev/pts devpts rw,mode=600 0 0 proc /proc proc rw 0 0 sysfs /sys sysfs rw 0 0 tmpfs /sqlite_stmt_journals tmpfs rw,size=4096k 0 0 /dev/block/mtdblock0 /system yaffs2 ro 0 0 /dev/block/mtdblock1 /data yaffs2 rw,nosuid,nodev 0 0 /dev/block/mtdblock2 /cache yaffs2 rw,nosuid,nodev 0 0 The sdcard is mounted READ-ONLY !! and doesn;t even get listed as mounted !! whats going on here ? ll i wanted to do use sdcard with emulator for debugging(method tracing) an app.

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Android :: Read Only Text File From Sd Card?

Nov 21, 2010

I am New To Android, My requirement is to display Total SDcard files in Listview , in that i want to read only TextFiles.

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Android :: How To Read SD Card ID Serial Number?

Jul 27, 2010

How can I programatically read the SD Card's CID register, which contains a Serial Number and other information? Can I do it through Android Java, or Native code?

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Android :: Phone Read Blackberry Mem Card?

Sep 10, 2010

My daughter has a Blackberry Storm, and has ordered an Incredible, which is due to arrive Monday Sept. 13th. Is the card formatted in a format that Android can read? Or will I need to mount the card in my computer and copy all of the photos and stuff she wants to save, let Android reformat the card, mount it in the computer and transfer the stuff back onto the card? I would appreciate the advice of someone with knowledge of BB use of the Micro SD card.

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Android :: Fastest Method To Read / Write SD Card?

Jul 18, 2010

There are a lot of different classes that can be used in various ways to read/write to files in Android. For example, you can make use of java.nio.ByteBuffer, FileOutputStream and BufferedOutputStream. Are there any general guidelines for what to use to read/write quickly to the SD card? For example, BufferedOutputStream seems as if it should make things faster but I'm unsure the buffer size should be set for. Specifically, I want to read/write byte arrays that are ~1Mb in size as quickly as I can.

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Android :: Can't Read List Of Images On Mounted Sd Card?

May 23, 2009

I'm working on an Android application that needs to look at what images a user has stored. The problem is that if the user has the sdcard mounted via the USB cable, I can't read the list of images on the disk. Does anyone know of a way to tell if the usb is mounted so that I could just pop up a message informing the user that it won't work?

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Android :: ARM Directly Read / Write File On Sd Card I/O Without Cache

Nov 16, 2010

I need to directly read/write a file on sd card without cache. I can use "posix_fadvise" to achieve the purpose on Ubuntu I try NDK to make the function call, but it seems disabled on Android How can I do?

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Android :: Write / Read Access To SD Card In Manifest File

Mar 1, 2010

Is there a right associated with write/read access to the sd card that needs to be set in the manifest.xml file? I'm currently trying to write to the sd card using a standard FileOutputStream here:

FileOutputStream out = new FileOutputStream("/ sdcard/images/"+imageName);
bmp.compress(Bitmap.CompressFormat.JPEG, 90, out);

But it doesn't seem to be working. It just says the location isn't found, which can happen if there are no permissions to read/write to the location.

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HTC Hero :: PC Won't Read SD Card

Aug 15, 2009

My PC will only read the microSD card (2GB one supplied with the phone) installed in my HTC Hero if I remove the card from the phone and plug it directly into the computer.

If I simply attach the USB cable, a 'D:' drive appears, but I get the error message "Please insert a disk into drive D".

I used the card as is, and did not 'format' it first; should I have done this?

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Android :: Read Contacts Field And Generated V-card And Store Into Database

Feb 26, 2009

I was trying to read all Contacts field one by one and generated a v- card and store it into a database. When I have a huge number of contacts (say more than 150), while reading 155th contacts, I see my application is getting killed and cat log say it because of excessive JNI global refreences. Can anyone pls suggest what is causing the problem and how to solve it. Also, Im not seeing any errors if I have less than 150 contacts............

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Android :: Read Data That Been Separately Copied To Sd Card Without Having Root Permissions?

May 4, 2010

I am developing an application that needs to access data on the sd card. When I run on my development device (an odroid with Android 2.1) I have root access and can construct the path using:

CODE:..........................

However, when I install this on a phone (2.1) where I do not have root access I get files == null. I assume this is because I do not have the right permissions to read the data from the sd card. I also get files == null when just trying to list files on /sdcard. So the same applies without my constructed path.

Also, this app is not intended to be distributed through the app store and is needs to use data copied separately to the sd card so this is a real use-case. It is too much data to put in res/raw (I have tried, it did not work).

I have also tried adding: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

To the manifest, even though I only want to read the sd card, but it did not help. I have not found a permission type for reading the storage.

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HTC Incredible :: Computer Can't Read New 16 GB Card

Jun 2, 2010

So, I have Itunes Agent and when I had the 2 GB card it synced perfectly, no problem. So I get the 16GB card and my computer suddenly doesn't even 'recognize' that there's a device connected. WTF, So, not very computer savvy, I figure it must be the computer because the card seems fine in the phone?

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HTC EVO 4G :: SD Card Mounted READ ONLY Alert

Aug 8, 2010

as seen above in the desire forum, im having this issue. it just occurred today.i have a 16GB Sandisk, stock and unrooted. i move about 4 apps to SD card (out of the 30 ish apps i have, only 4 were available to be moved to SD).Micro SD card mounted as Read Only? - HTC EVO? 4G (Sprint) - Android Forums - HTC Community.seems all of us having this issue posted today or within a day or so.. so it seems like it may be Froyo related.

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HTC Desire :: SD Card Mounted As Read Only

Sep 13, 2010

For some reason when loading my SD Card it says "Mounted Read Only". I have been messing around with installing new ROM's and that which is probably what caused it?

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HTC EVO 4G :: How To Read / Access SD Card Data?

Jun 10, 2010

How do I access my sd card from my evo to see what is saved on there? Or must I connect it to the computer to view what's on the sd card?

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HTC Hero :: SD Card Read Only After Update To 2.1

Jun 29, 2010

After the update last night to 2.1. I can only read the files on the sd card. Deleting is not possible. Did a format with the phone and copied all over on the card, no luck. Putting the card in the PC. I can do everything with the files, copie, delete and so on. Then did a format with the pc fat32 and copied all back, again on the phone only read only.

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HTC EVO 4G :: Sd Card Is Mounted As Read Only / Got Error

Aug 1, 2010

Well I have a problem and need some help. So for no apparent reason I started getting an error with my sd card last night. At the notification bar, it says the sd card is mounted as read only. The phone gives me the option to try to fix it. It tries without success. I have tried resetting the phone and fidgeting with the card...both with no success. Its frustrating cause I can't take pictures as a result and all I see is that error message! Its an eyesore at the top of my screen.

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General :: SD Card Won't Read Or Anything On Phone Or PC?

May 2, 2014

I've tried to save my sd card multiple ways but haven't had any luck. Ive even tried putting it in my camera and got an error. What should I do?

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General :: Can't Read / Write SD Card

Oct 23, 2012

I did a backup using Titanium Backup and Go Backup and after wiping my Motorola Defy, tried to restore apps, contacts etc. The problems I encountered were:

1) Go Backup can't recognize backup directory on SD card for some reason.
2) Can't move apps to SD. An error occurs: "Move Application: Failed to move application. There is not enough storage left." Needless to say, I have more than enough storage.

This is was I encountered by far, although I believe these are just a small part of the symptoms for a single problem.
Maybe its because there are no permissions, or moving apps is impossible because of an existing app files on the SD card.

What is the actual cause for this? Or is there a tool to fix the permissions on the Defy?

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General :: Can't Read SD Card In ClockWorkMod

Nov 22, 2012

My device is stuck in a bootloop with an incorrect rom. I wanted to flash the corrects rom, but when I tried to do so, clockworkmod gave me this:

''No files found''

I already used several SD card, which were NOT empty, but it kept giving me this error.

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General :: SD Card Can't Read Properly?

Feb 16, 2014

I had a problem with my sd card, currently my device a lower entry lenovo A369i.

Few days ago i insert the sd card through my phone and it works perfectly. But a few hours ago while i operate my phone as usual and want to open gallery then the all media inside gallery was dissapear..

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HTC EVO 4G :: SD Card Read Only / Recovery Image Gone / Cannot Reflash

Nov 11, 2010

My Evo is rooted, but I have lost my recovery image. Attempts to re flash recovery via ROM Manager and ADB both failed. I now have a task bar message saying the card is mounted read only. I put it in an adapter, plugged into my PC and ran Check Disk, which appeared to restore R/W status. I then put it back in the phone, rebooted and tried to flash a new image with ROM Manager, I have the read only issue again. I still have root, root apps still receive SU permissions, but I have no nand access and cannot re flash CWM or Amon.

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HTC Droid Eris :: SD Card Can't Read And Format

Mar 12, 2010

i took my sd card out (before i realized my pone was on) and i put it back in and get "Blank SD Card" even though i have a bunch of stuff on it. How can i fix this or format it? because i really want to use my camera but the phone wont format it! i click format and nothing happen!

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HTC Incredible :: Read Ext3 On Formatted Sd Card?

Aug 23, 2010

If I format my card to ext3 will the phone be able to read it. I want to make a sym link to the internal storage on the sd card so all the apps will hopefully be able to use it. But fat32 doesnt support symbolic links...

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HTC Desire :: Unable To Read / Write To 8GB SD Card

Apr 26, 2010

My new HTC desire is unable to read or write to my 8GB SD card which was previously inside my HTC HD touch.
Why is this? I've swapped the SD cards around - i.e. the 4 GB SD card which it came shipped with is now inside my HTC HD touch It doesnt have a problem reading or writingto the 4 GB SD card that it came shipped with. I would prefer not to have to format the card

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HTC Desire :: SD Card Mounted Read Only After 2.2 Update

Aug 4, 2010

Update my Desire to 2.2 yesterday now everytime i turn the phone on i get an error message saying: Mounted ReadOnly. The SD card has an unexpected problem. Tapping.....(cant read the rest of the message) Can anyone help with this. The only way i can access my photos or music is going via a file explorer.

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HTC Incredible :: SD Card Mounted Read Only Post 2.2

Sep 6, 2010

SD card mounted Read Only post 2.2

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HTC Hero :: Phone Doesn't Read New Sd Card?

Sep 5, 2009

I just received in the post a new class 6 microsd card 8gig. Now, when I remove the the card I got with the phone, I first unmount it in the settings then physically remove it. I get notifications telling me this too. When I install the new card nothing happens and I get no notifications.

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HTC Incredible :: Flashed Skyraider - SD Card Read Only?

Aug 21, 2010

I just flashed to skyraider 2.5.2 and I am now getting a "SD card is mounted as read only" error. When I click on it in the notification bar it reloads the card and usually works after that but occasionally it will take several tries. This happens every time I reboot my phone.

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