Android :: Get A List Of All Mp3 Files On The Sd Card Regardless Of Directory?

Jul 10, 2010

Using code from open source MusicDroid with the following code that I found during a search for this problem, I can only get mp3 files that are in the root directory /sdcard/

CODE:........

How can I get all the mp3 files from the card (in any directory) into my 'songs' list?

Android :: get a list of all mp3 files on the sd card regardless of directory?


Android :: Get A List Of Files From A Directory On Sd Card?

Sep 15, 2010

I'm happy reading and writing to a pre-set file, and could manually populate a listview, but I'm hoping there is an official(or not) filebrowser I missed, or other more elegant solution to present the user with a directory listing, and let them select a file.

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Android : Way To List - Access All Files In Directory?

May 7, 2009

Can any one tell me which is the best way to access the file system in android device, also i want to list all the files in the application directory.

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Android :: Create Directory On The SD Card And Copy Files From - Res - Raw

Oct 3, 2010

I am trying to create a folder and several subdirectory within it on the SD Card... I then want to transfer files that I have stored in /res/raw to that folder... I addition, I want this to only happen once, the first time the program is ever run. I realize that this is ridiculously open-ended, and that I am asking a lot...

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Android :: Limit For The Number Of Files In Directory On An SD Card?

Apr 16, 2010

I have a project written for Android devices. It generates a large number of files, each day. These are all text files and images. The app uses a database to reference these files.

The app is supposed to clear up these files after a little use (perhaps after a few days), but this process may or may not be working. This is not the subject of this question.

Due to a historic accident, the organization of the files are somewhat naive: everything is in the same directory; a .hidden directory which contains a zero byte .nomedia file to prevent the MediaScanner indexing it.

Today, I am seeing an error reported:

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

Regarding the sdcard, I see it has plenty of storage left, but counting

$ cd /Volumes/NO_NAME/.hidden
$ ls | wc -w
9058

Deleting a number of files seems to have allowed the file creation for today to proceed.

Regrettably, I did not try touching a new file to try and reproduce the error on a commandline; I also deleted several hundred files rather than a handful.

However, my question is: Are there hard limits on filesize or number of files in a directory?
am I even on the right track here?

Nota Bene: The SD card is as-is - i.e. I haven't formatted it, so I would guess it would be a FAT-* format.

The FAT-32 format has hard limits of filesize of 2GB (well above the filesizes I am dealing with) and a limit of number of files in the root directory. I am definitely not writing files in the root directory.

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Android :: 2.2 - SD Card File Directory List Now In Reverse Alphabetical Order?

Jul 24, 2010

I don't see anything about this change in the API differences report at http://developer.android.com/sdk/api_diff/8/changes.html. However when my Nexus One started running Android 2.2, the list of files created by the following code are now in reverse alphabetical order rather than alphabetical order (as they were with Android 2.1 and earlier, AFAIK):

CODE:.........

The line "Arrays.sort(fn);" revives the alphabetical order of the list, but sorts are computationally expensive and AFAIK the explicit call to Arrays.sort() was unnecessary prior to Android 2.2.

In addition to seeing this order change on the Nexus One, it can be confirmed on the emulator running level 7 and level 8 AVDs.

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Media :: Brought Sd Card Over From BB - Files/directory?

Aug 24, 2010

Brought over my 8GB Sandisk from my BB. Obviously over the past year it added a bunch of files and folders to the card for miscellaneous app data, music, pics, etc. Would I gain any speed on the device by reformatting the card and letting it start fresh in it's new home and re-syncing music and photos into fresh android directories?

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Android :: Mkdirs Returns False For Directory On Sd Card While The Parent Directory Is Writable

Oct 31, 2010

At some points while running my android application, I need to create a directory on the sd card, for a small number of users this fails and I can't figure out the reason for it... (I've found similar problems caused by the WRITE_EXTERNAL_STORAGE permission missing, it's there and it works for almost all users so I don't think this is reason) When mkdirs returns false I crash the program and log the following java.io.File properties, starting at the directory I want to create, then recursive printing properties of the parent directory and so on...

/sdcard/MyDirectory/Dir1/Dir2 (exists: false, canWrite: false, isDirectory: false, isFile: false);
/sdcard/MyDirectory/Dir1 (exists: true, canWrite: true, isDirectory: true, isFile: false);
/sdcard/MyDirectory (exists: true, canWrite: true, isDirectory: true, isFile: false);
/sdcard (exists: true, canWrite: true, isDirectory: true, isFile: false);
/ (exists: true, canWrite: false, isDirectory: true, isFile: false);

The strange thing is that the parent directory is writable (canWrite=true), I can't print the execute file permission but from what I've read, write is what you need when creating directories... What I've looked at so far is the WRITE_EXTERNAL_STORAGE permission, if the sd card is full and if the sdcard is mounted read only:...........................

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Android :: How To List Files On SD Card?

Sep 15, 2010

My application needs to do some clean up. I need to list the files such as "ls voice*.amr", and then delete those files. How could I do it in Android?

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Android :: Directory To Store Files Generated By App (audio, Video Files Or Images)?

Apr 24, 2009

Can anybody advice what is the recommended directory to store files generated by your application: audio files, video files or some images.

If the phone contains SD card, it is clear that files should be saved there, but if there is no any external storage. where would you recommend to save to?

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Android :: How To Implement Directory Tree Like List?

Sep 7, 2010

I want to build a list that show the directory tree like list similar to folders view on the left pane in 'Windows Explorer'. I have seen ExpandableList but this goes into 2 levels only. I want to go into multiple levels. Expand the item by clicking on the left icon and show sub directories in it. Click on sub directory expand icon, show the sub-sub diretories in it and so on.

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Android : Can I Get Files Under Certain Directory?

Aug 24, 2010

This sounds simple, but i couldn't find any api from the reference.

i want to get all the files under certain directory on the sd card.

can you point me to the correct function?

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Android :: Create Files Hierarchy '/data/data/pkg/files' Directory

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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Android :: How To Acces Files In A Directory?

Jun 11, 2010

I am new to android programming, can someone please tell me how to get access to the files in a directory , i am using Environment.getExternalStorageDirectory() method?

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Android :: Manually Read A File In Files Directory

Nov 10, 2010

Friends, My application has to get current gps position in every seconds and write this data as byte array to a file in files directory. To check the data in that file I tried to open mnually. But i couldn't open. How can i read the file. The file is a text file

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Android :: Eclipse To Compile Files - Test - Src Instead Of - Src - Directory When Building

Nov 18, 2010

Can an android project in Eclipse be configured so that the built-in builders read from an alternative source directory? ie. "test/src" instead of "src"? and possibly even "test/res" instead of "res"? (It appears that setting dirs in the property files will only affect ant and not the built-in builders)

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Android :: Creating A Directory On The SD Card?

Oct 4, 2010

I am trying to have my app create a directory on the root of the SD Card, if that directory does not already exist. When I run the app, the "Creating Home Directory..." toast notification displays, but the directory is not created... What am i doing wrong?? (P.S. permissions are set for writing to external storage)

CODE:.......

Here is my Manifest file:

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

I tried this as well, it didn't work, but it might be a step in the right direction as it creates the directory and populates it with a file from res/raw all in one step:

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

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General :: Deleted Some Files From Root Directory And Now Tablet Not Loading Android OS

Nov 22, 2013

I have one bitmore 1010 tablet with custom rom cyanogedmod, I delete some files from root directory and now the tablet is not load android os. I see only the bitmore image in screen and nothing else.

can I restore the image from android control v1.3.1?

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Downloading To And Accessing / Files Directory?

Apr 6, 2012

i am updating an app i developed so that it downloads xml files it needs for content management. the files download successfully to the emulator but are not placed in the /files directory that openFileInput() is attempting to read from. i am admittedly unsure as to the proper overall solution here - app originally used packaged XML and was fed to an XMLPullParser - but i cant even get as far as attempting to parse new XML at present because my app cant find the new file sitting in /data/data/[myApp]/ and not /data/data/ [myApp]/files and i cant figure out how to get it in there. the download doesnt work at all if i add that folder to path.e.

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General :: How To Write Files Into The Directory

Jun 21, 2012

I'd like to know if there's a way to write files into the main directory just before the system shutdown, something like this:

End all processes (-> unmount disks?) -> mount /sdcard rw and / rw -> copy files from /sdcard to / -> unmount disks -> shutdown/reboot

Same with boot image (flash, in this case, and not copy / mod files)... is it possible? Or do I require to boot into recovery for these operations? I know I can remount as rw my system directory via ADB

Also, is it possible to do the same thing with the build.prop file? This, or during startup (before mounting partitions with standard permissions).

Of course, this having root (but not a special kernel to enable this kind of "before mounting" thing).

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Folder Directory - How To Organize Files

Jul 11, 2012

I've thought of starting to develop an application and one of its features is that it downloads some content (images, files, etc) and organize them into folders in accordance with site they were downloaded.

Well, the question is... How do Android organize your files? In Windows, for example, I could create some folders, one for each site, or one for each time period. But in Android, how does it work? Is there a system of folders like Windows? Or is there a totally different way to organize files?

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Android :: How To Delete Directory From SD Card On Uninstall?

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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Android :: Create Directory Automatically On SD Card?

Jan 25, 2010

Im tyring to save my file to the following location FileOutputStream fos = new FileOutputStream("/sdcard/Wallpaper/"+fileName); but im getting an exception java.io.FileNotFoundException

But when I put the path as "/sdcard/" it works.

Now im assuming that Im not able to create directory automatically this way.

How to create a directory and sub-directory via code.

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General :: Move Files From One Directory To Another After Rooting

Jan 5, 2014

I have a question about moving files after rooting, installed supersu already and give root browser permissions in supersu.

I have a problem with moving a apk file from downloads/direct to system/priv-app. It says after i'm trying to moved it "failed operations" and it seems like it's the only directory i can't move files to.

I have read that the files or directory should have some special permissions, but i'am sure that the criteria are met.

Also when i go to supersu to see logfiles on the "action" it says that i need supersu pro to move that files. But will it works or what should i do to get this to work?

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Android :: Cleaning An Image Cache Directory On SD Card?

Apr 1, 2010

I've got an app that is heavily based on remote images. They are usually displayed alongside some data in a ListView. A lot of these images are new, and a lot of the old ones will never be seen again.

I'm currently storing all of these images on the SD card in a custom cache directory (ala evancharlton's magnatune app).

I noticed that after about 10 days, the directory totals ~30MB. This is quite a bit more than I expected, and it leads me to believe that I need to come up with a good solution for cleaning out old files... and I just can't think of a great one. Maybe you can help. These are the ideas that I've had:

Delete old files. When the app starts, start a background thread, and delete all files older than X days. This seems to pose a problem, though, in that, if the user actively uses the app, this could make the device sluggish if there are hundreds of files to delete. After creating the files on the SD card, call new
File("/path/to/file").deleteOnExit(); This will cause all files to be deleted when the VM exits (I don't even know if this method works on Android). This is acceptable, because, even though the files need to be cached for the session, they don't need to be cached for the next session. It seems like this will also slow the device down if there are a lot of files to be deleted when the VM exits. Delete old files, up to a max number of files. Same as #1, but only delete N number of files at a time. I don't really like this idea, and if the user was very active, it may never be able to catch up and keep the cache directory clean.

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Android :: Saving Created Bitmap To Directory On Sd Card

Nov 24, 2010

I created a bitmap and now i want to save that bitmap to a directory somewhere. Can anyone show me how this is done.

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

WANT TO SAVE _bitmapScaled to a folder on my SD card

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HTC Eris :: Zip Files Can Be Deleted After Update From Root Directory?

Apr 6, 2010

I recently rooted my droid eris and installed the sense-able2.0 custom rom. I was just wondering if I could delete the zip files out of the root directory after they are installed?

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Motorola Droid :: Places Directory - Where Do Downloaded Files Go

Nov 8, 2009

I went to Google Labs and looked around and found Places Directory. The page shows a barcode and said I could scan that and download the app so that's what I did. My browser opened up and showed that the file was downloaded.

So I went back to the home screen but couldn't find Places Directory. I decided to manually download and install it from the market and that worked fine.

My question is, do I now have a downloaded copy of this app that is just sitting somewhere taking up space? I can't figure out where files downloaded by the browser go to, please help.

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Android :: Writing To SD Card - Deleting Files On It - Number Of Files Relevant

Mar 19, 2009

I wrote an app that downloads web sites and all their assets (images/stylesheets) to "disk" and therefore stores lots of small files on the SD card.

Sometimes it fails to delete large amounts of files and afterward the file system is r/o. To analyze that behavior I tried to do the removal of the files by hand and then go from there. But that already failed.

localhost:~ mkamp$ adb -d shell mount [.. some mounts ..] /dev/block/mmcblk0p1 /sdcard vfat rw,dirsync,nosuid,nodev,noexec,uid=1000,gid=1000,fmask=0711,dmask=0700,code­page=cp437,iocharset=iso8859-1,utf8 0 0 --> R/W

Last login: Wed Mar 18 19:41:49 on ttys005 localhost:~ mkamp$ adb -d shell rm /sdcard/newsrob/a* [.. minutes of silent deletes ..] rm failed for /sdcard/newsrob/a2aade03616c28b30_113.png, Read-only file system localhost:~ mkamp$

localhost:~ mkamp$ adb -d shell mount [.. some mounts ..] /dev/block/mmcblk0p1 /sdcard vfat ro,dirsync,nosuid,nodev,noexec,uid=1000,gid=1000,fmask=0711,dmask=0700,code­page=cp437,iocharset=iso8859-1,utf8 0 0 --> R/O now

The log contained nothing but the usual gc output and random WiFi status changed mumbo jumbo.

Anybody else seeing this behavior?

There were 6.500 files in that directory. Might that be the problem? I don't access the files with queries, I always have the exact name.

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Android :: Avoid DDMS Timeout When Pushing Large Directory To Emulated SD Card?

Mar 23, 2010

I have a large directory (about 700 MByte) I'm trying to push to a 4 GByte emulated SD card (in a Platform 2.1 AVD) by dragging and dropping the directory onto the ddms file explorer's /sdcard directory, but ddms is timing out after about 20 MByte of pushing. The following command line error message appears:

34:05 E/ddms: ADB rejected shell command (ls -l /) Failed to push the items: timeout

When ddms is connected to an actual device (Nexus One), the same drag and drop operation successfully completes.

I looked but didn't see any mention of timeout control options in the ddms documentation at http://developer.android.com/intl/de/guide/developing/tools/ddms.html or the Dev Tools application running on the emulator. Has anyone experienced this or have a tip to fix it?

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