Android :: How To Create Text File And Read And Write From It?

Feb 24, 2010

I am very new to android and i have wrote an application that reads the Cell ID information , now i want to create a text file and store the information inside , i have googled this issue but i couldn't find a solution that really worked.

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Android :: Read And Write File At Same Time?

Oct 6, 2010

In my application, I use MediaPlayer to record audio to a file.Can I read the file at the same time?

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Android :: Write / Read Log Data Into File

Mar 13, 2010

how to read/write log data into a text file in android that file should be res folder.

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Android :: Create Droid Shared Directory With Read And Write Access On Phone?

Feb 17, 2010

How do I create a shared directory with read/write permissions to all applications installed on my phone and that is not on the sdcard?
I tried that :

File f = new File("/tmp");
f.mkdir();

but it is not working.

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Android : Read / Write To A Local XML File In Droid?

Nov 3, 2010

I am new to Android and relatively new to Java so please bear with me. I have an XML file stored in the res/xml that I am trying to write to. I know how to read it using XmlResourceParser, but I have not been able to find a way to write to that file locally. Could someone point me in the right direction please.

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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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Android :: How To Create TextView Without Write XML File?

Aug 28, 2010

As a newbie, I have been reading posts in learning how to do different functions.Using the Hello World example, I added a textview object to this application but the results come back as false on the screen.

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Android :: How To Create/write File In The Root Of The Device

Jan 17, 2010

I found out that you can use something like this to create a file:

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

When running the above code I get an IllegalArgumentException stating:

CODE:......

And Im guessing the "/" is not appreciated. I wanted the "/" since I need to write the file to the root directory of the device, as stated in the API in trying to follow:


CODE:.........

Question is: how do I place a file in the root-directory? I have been looking around for an answer, but havent found one yet.

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Android :: Null Pointer Exception Occurs When Trying To Create File And Write Data

Oct 26, 2010

I am trying to create a file ,if it doesnot exist and tried to write some data to it. The same program I did in java, it was running fine.But when I try to do the same thing in Android I am getting NullPointerException at the place where I am trying to write data to file. And also, I did not find any new file in the current directory .

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Android :: Droid Can't Write To A Text File?

Jul 24, 2010

My program contains a file with the name "size.text", which contains just a word "15". If a user choose a value from a spinner,say 17, then the chosen value should be stored in the file and replace "15". I have added the permission to the program <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission> But somehow i can not make the chosen value be written to the file. Here is my code...

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Android :: Unable To Write Text File To Sdcard On Physical G1 Device

Jul 12, 2009

I need to write a fairly simple .csv file to the device's sdcard (so it can then be emailed via Intent). The below code does not write the file.

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

More code here:

I flush and close out_stream. I can even seem to be able to read from the file on the device (printing above output, using fileinputstream, to an edittext.

How can I get to this file on the sdcard?

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Android :: Read Text From File?

Feb 17, 2010

What do I do to be able to read all lines from a file? With this code I have below I can only get the first line of the text file when I use mReadString later on. Am I doing something wrong? Or is there another way? code...

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Android :: How To Read Text File Via FTP

Jan 10, 2010

I am creating an application for the android, and would like it to be able to read a text file via anonymous FTP. I've tried URLConnection, but it doesn't seam to be working. After some Google searching it appears that URLConnection doesn't always work with some FTP servers. All of the java FTP connection libraries I've found require you to download the file to a local location before reading it. However I would like to have the same functionality as URLConnection in that I can just use the following similar code...

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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 :: Read Text File As Resource

Sep 14, 2010

I am trying to read a file "words.txt" from a resource. It is a very simple, but large (2 MB), text file that I want to read line by line. I have put the file into /res/raw/words.txt, and try to open it with the following code:

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

However, I get a java.io.IOException. This is not a "resource not found" exception, so the resource is opened correctly, but the readLine() produces the error.

I tried using the InputStream itself, with the result that read() produces -1, which stands for EOF, as if the file was empty.

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Android :: Read Text Raw Resource File?

Nov 3, 2010

I have a text file added as a raw resource. The text file contains text like:

a) IF APPLICABLE LAW REQUIRES ANY WARRANTIES WITH RESPECT TO THE SOFTWARE, ALL SUCH WARRANTIES ARE LIMITED IN DURATION TO NINETY (90) DAYS FROM THE DATE OF DELIVERY.


b) NO ORAL OR WRITTEN INFORMATION OR ADVICE GIVEN BY VIRTUAL ORIENTEERING, ITS DEALERS, DISTRIBUTORS, AGENTS OR EMPLOYEES SHALL CREATE A WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF ANY WARRANTY PROVIDED HEREIN.

c) (USA only) SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES, SO THE ABOVE EXCLUSION MAY
NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER LEGAL RIGHTS THAT VARY FROM STATE TO STATE.

On my screen I have a layout like this:

CODE:........

The code to read the raw resource is:

CODE:....

The text get's showed but after each line I get a strange character [] How can I remove that character ? I think it's New Line.

WORKING SOLUTION

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

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Android :: Read Data From Text File Without Downloading It?

Oct 27, 2010

Is there a way to do it within an app without downloading the file first? Somehow stream the text content?

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Android :: Read Text File Data In Droid?

May 25, 2010

I am new to android.I need to read text file from SDcard and display that text file.Is there any possibility to view a text file directly in android. or else how to read and display the text file ?

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Android :: Read Text File / Search Contents Code?

Apr 13, 2009

I am new to Java and Android. I have a flat file (pipe-delimited) stored in R.raw called word list.text. I want to open this file and quickly search for a word I pass into my procedure. I've been searching for a simple way to do this but not having much luck. Can anyone share some code on how to do this?

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Android :: Need To Read Trace - Text File /no Data Directory

Sep 25, 2009

Sometimes in LogCat I'll see Wrote stack trace to '/data/anr/traces.txt'

But when using the DDMS perspective, "File Explorer" View, I can't see anything in the "data" directory, I'm assuming because permission denied. Is there a way (short of rooting my ion device) to read what's in that text file?

Is there perhaps an android app for developers that will show the contents of the file? It would seem there would have to be some way of reading the file without rooting the device, otherwise why does the o.s. write it out? How can I read this file?

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Android :: Way To Read A Text File And Search String In Droid

Sep 3, 2010

I my android application,i would like to read a text file which is placed on the sdcard. Read the file to search for a string: "some string" and would like to get the value for that string.
Is there any way that i can do that in android.

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Android :: Read Text File / Can't Make Chinese Characters Display Correctly - Fix It

Jun 1, 2010

I have a text file which contains many Chinese characters, and the text file is in the directory res/raw/test.text. I want to read the file but somehow i can't make the Chinese characters display correctly. Here is my code...

What can i do to fix this problem?

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Android :: How To Create Text File In Programatically?

Jan 25, 2010

Actually I am new to android. I want to create a .txt file programatically, save data to it and then retrieve the data. I had write one application for that but when I run it it creates file under data/data/ <myPackage Name>/files folder , I can see only size of this file but I can't open it. but when I deploy the application on mobile then there is no any file created. If i supplied path like FileOutputStream fOut = openFileOutput ("/sdcard/ deore.txt",Context.MODE_WORLD_WRITEABLE); then it throws Exception. So, please tell me where the actual file is saved under the phone and how to open it.

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Android :: Create SQLite Database From Text Or Xml File?

Oct 16, 2010

How can I create database from txt or xml file that already have table structure in it?

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Android : How To Read/Write .CSV

Dec 15, 2009

I'll open with, I googled this thing like crazy, searched anddev and a few other boards (including this one) and can't quite find what I'm looking for.

The predicament : all CSV examples are in reference to contacts, and the file read/write posts (the ones that I need) make the assumption that I am not a beginner and most don't even post any code leaving me nothing to learn on.

The hopeful solution : a link to a solid example of simply how to write to a CSV with my own custom fields and values, and how to read a CSV and load said values.

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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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Android :: Read And Write Contacts To Addressbook

Sep 23, 2009

I am new for android development. I am trying read and write contacts to android addressbook.

I tried following line of code for write name into android.

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

But i am getting "The application has stopped unexpectedly. Please try again" message.

How can i access contacts of android ?

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Android :: Can't Read / Write To Sdcard In Droid - Way To Do

Jul 9, 2010

When i try that code...

when run program both can't write /read occure

I have set permission to access sdcard what is the problem?

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Android :: How To Read / Write Into Textfile In Droid

Sep 14, 2010

How to read and write strings in text file in android which is kept in raw folder and also how to clear contents of that file in android?

I have done this way and my "temp.txt" file is in /raw folder. But i am not getting any output in file. Also I am not getting any error for this...

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Android : Write/read Log Files In Res Folder

Mar 13, 2010

How to write/read log data into txt file in res folder.

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Samsung : Read And Write UTF-8 To Disk On Android?

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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Android :: Application That Can Read And Write Txt Files To SDCard

May 3, 2010

I have an application that can read and write txt files to the phones sdcard. By using this code for reading files:

@Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); mFileNameOpen = files.get(position);
String st = null; mVector.clear();
notepad.mNewEmpty = false; try { File f = new File(Environment.getExternalStorageDirectory()+"/ notepad/"+mFileNameOpen); FileInputStream fileIS = new FileInputStream(f);
BufferedReader in = new BufferedReader(new InputStreamReader(fileIS));
do { st = in.readLine();
mVector.add(st);
}while(st!=null); in.close(); ...
} catch (FileNotFoundException e) { e.printStackTrace();
} catch (IOException e) e.printStackTrace(); 

and this to write them:
try { File root = Environment.getExternalStorageDirectory();  
File fileCheck = new File(root, "/notepad/" + fileNameSave + saveExtension);
boolean exists = fileCheck.exists();  
if (!exists) { if (root.canWrite()) { File textFile = new File(root, "/notepad/" + fileNameSave + saveExtension);
FileWriter textWriter = new FileWriter(textFile);  
BufferedWriter out = new BufferedWriter(textWriter);
out.write(SAVEAS); out.close(); written = true; 
} else { written = false; else { written = true; showMaybe = 1; showDialog(DIALOG_SAVE_EXISTS);
catch (IOException e) {Log.v(getString(R.string.app_name), e.getMessage());

This has been working fine on my Tattoo and all the emulators I've tried this on. But it does not seem to be working on moto droid. Is there something different to consider with moto droid? Or have I missed something in the manifest maybe?

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Android :: How To Read / Write SMS Delivery Report Setting

Mar 25, 2009

I want to know how to get SMS  Delivery Report setting which is stored in the /data/data/com.android.mms com.android.mms_preferences.xml. I wrote a application to read it with the following code:

SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); boolean requestDeliveryReport = prefs.getBoolean( "pref_key_sms_delivery_reports", true);

Seems it does not work, it always returns the default value which is "true". Does anybody know how to read/write the SMS  Delivery Report setting.

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Android :: Read / Write Permission In Data Directory?

Jan 4, 2010

I m using Android 1.5 my data directory does'nt have the read/write permissions

System.out.println("DAta can write??--->"+Environment.getDataDirectory().canWrite());
System.out.println("DAta can read??--->"+Environment.getDataDirectory().canRead());

So please suggest me how to provide permission for the data directory.
What m trying to do is to create a file and add some content to it iin the Data storage of the emulator like as below

private void writeToSDCard() {
try {
File lroot = Environment.getDataDirectory();
if (lroot.canWrite()){
File lfile = new File(lroot, "samplefile.txt");
FileWriter lfilewriter = new FileWriter(lfile);
BufferedWriter lout = new BufferedWriter(lfilewriter);
lout.write("XXXXXXXXXXXXXXXXXX");
lout.close();
}
} catch (IOException e) {
Log.e(m_cTAG, "Could not write file " + e.getMessage());
}
}

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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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Sony Ericsson Xperia X10 :: Possible To Read And Write Japanese?

Aug 23, 2010

I don't yet have my shiny new X10, but it should be with me in a few days.  In anticipation of its arrival, I wonder whether it is possible to read and write Japanese on the phone?  I'd like to add an English-Japanese dictionary, and hope that I'll be able to read the Japanese entries. 

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Motorola Milestone :: Max Read/write MicroSD Speed Supported

May 14, 2010

What is the maximum read/write microSD speed supported by the Milestone? I couldn't find information on this anywhere.

I am not sure if it's worth spending the extra money for a class 6 (8MB/sec) 16 GB micro SD card vs a class 2 (2MB/sec), as I'm not sure the Milestone will support it.

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Android : Remount /sdcard Directory To Read/write On Emulator

Aug 19, 2009

How to remount /sdcard directory to read/write on emulator?

I read this:
http://android-tricks.blogspot.com/2009/01/mount-filesystem-read-write.html

But i don't know how to apply that to remount /sdcard directory in read-write mode?

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Android :: Can Custom Read - Write Permissions Effect User Acceptance Of An Application

Apr 29, 2010

I have two published apps that are pretty targeted to the user collecting their personal medical data (like Blood Pressure, etc.) and then, eventually sending it somewhere, if they choose.

I decided to put Read/Write permission on my ContentProvider, so if another app comes along that wants to the access that content, the user will be warned. The permission that is required is declared in my apps.

When the user installs my apps, they are also given a warning that the app requires that permission (even though it's the one that declares it), and it shows up in the Marketplace also.

The question is: Is it possible that the permission acceptance part of installing my app could be putting  customers off? I don't know what other's acceptance rate is, but mine is around 50% of customers who download it have active installs.

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Sony Ericsson Xperia X10 :: Write And Read In Tamil Language (using Unicode Fonts)?

Oct 11, 2010

how can I write and read in Xperia in Tamil Language (using unicode fonts)?

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Android :: Write Upside Down Text Of Edit Text In Droid?

Jun 17, 2010

Anybody knows how to write upside down text of edit text in Android.

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Android :: Write To Xml File

Nov 8, 2010

in my application I have strings.xml file under values folder. strings.xml file contain array. Now I want to add element to that array at runtime. How to do that?

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Android :: How To Write To File ?

Apr 4, 2009

I would like to know how to write to file. I have tried using OutPutStream out = new FileOutPutStream(fileName); out.write(byte [], 0, length);This way always returns Parent directory or File is not writable.I have also used openFileOutPut(fileName, MODE_PRIVATE) method but this method works properly if it is called from the same class which has extended Activity and I am writing to the file in different class and that too in different thread.I have tried to get the Application Context through getApplciationContext and call openFileOutPut method but still theres something wrong that I am doing.So please can someone suggest me a proper way to write to a file.

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Android :: Write An XML File To A Url?

Nov 21, 2010

I am trying to write an XML file to a url e.g. http://myIPAddress/myFolder/myFile.xml
I am using an Apache2 server for my tests on Ubuntu 10.10

Output line example (ignore apostrophe):
<'myEntity id="1" name="me" />

Also, i want to able to reopen the connection anytime and add lines to the end of the file.

I'd post my attempt here for correction but it's a sad one.
I am trying OutputStreamWriter with URLConnection, please correct me if i should be using a different approach.

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