* Code to save the data to sdcard :
In this you can not see the folder in the emulator but its there in the sdcard folder.
You just have to follow below some steps:
1)open DDMS menu inside the eclipse.
2)You can see the File Explorer in that just select the sdcard folder and click on the image of mobile device
which you can see on the right side corner of the File Explorer.
3)then select the perticular file that you want to copy to the sdcard and click on open to save the file in sdcard.
* Code to create folder :
String newFolder = “FSAScandroid”;
String extStorageDirectory = Environment.getExternalStorageDirectory().toString();
File myNewFolder = new File(extStorageDirectory + newFolder);
And also,in AndroidManifest.xml add one line as