[android-developers] "No such file or directory" when storing a file in sdcard.

Hi,
I want to store a file from internal storage to external storage
(sdcard) however, i'm facing a problem: here is the log message:
04-12 03:08:59.084: DEBUG/IOException(2059): No such file or directory

What's the problem?
Thank you for your help.

public void transfer(){
try {
File sdCard = Environment.getExternalStorageDirectory();
boolean mExternalStorageAvailable = false;
boolean mExternalStorageWriteable = false;
String state = Environment.getExternalStorageState();

if (Environment.MEDIA_MOUNTED.equals(state)) {
// We can read and write the media
Log.d("Carburant", "Sdcard can read/write !!" );
mExternalStorageAvailable = mExternalStorageWriteable = true;

try{
final SharedPreferences preferences = PreferenceManager
.getDefaultSharedPreferences(context);
String fileName =
context.getResources().getString(R.string.fileName);
String fileDir = "" + preferences.getString("login", "") + "."+
preferences.getString("marque", "") + ".";

File f2 = new File(context.getFilesDir(), fileDir+fileName);
String y= f2.getAbsolutePath();
Log.d("HI Export",y);
InputStream in = new FileInputStream(f2);

String destination = sdCard.getAbsolutePath()+"/Carburant/" +fileDir
+fileName;
File fileCon = new File(destination);
if( ! fileCon.exists() ){
fileCon.createNewFile();
}
OutputStream out = new FileOutputStream(fileCon);

byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) != -1){
out.write(buf, 0, len);
}
//out.flush();
in.close();
out.close();
Toast.makeText(context, "Export effectué",
Toast.LENGTH_SHORT).show();
}

catch(FileNotFoundException ex){
Toast.makeText(context, "File Not found",
Toast.LENGTH_SHORT).show();
String x=ex.getMessage();
Log.d("Carburant", x);
}
catch(IOException e){
Toast.makeText(context, "Echec", Toast.LENGTH_SHORT).show();
Log.d("IOException", e.getMessage());
}
}

else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
// We can only read the media
Log.d("Carburant", "Sdcard only read !!" );
mExternalStorageAvailable = true;
mExternalStorageWriteable = false;
} else {
// Something else is wrong. It may be one of many other states,
but all we need
// to know is we can neither read nor write
mExternalStorageAvailable = mExternalStorageWriteable = false;
}
}
catch (Exception e) {
Log.d("CARBURANT", e.getMessage());
}

}
}

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