Android :: Downloading File From Web Server Programmatically

i am downloading files from web server programatically. after download is complete, i checked the file.the size ,extension and all other parameters are correct but i when i try to play that file in media player it is showing that it is corrupt.

byte[] b = null; InputStream in = null; b = new byte[Integer.parseInt(size)]; // size of the file. in = OpenHttpConnection(URL); in.read(b); in.close();
File folder = new File("/sdcard", "folder");
boolean check = folder.mkdirs();
Log.d("HttpDownload", "check " + check);
File myFile = new File("/sdcard/folder/" + name);
myFile.createNewFile();
OutputStream filoutputStream = new FileOutputStream(myFile);
filoutputStream.write(b);
filoutputStream.flush();
filoutputStream.close();