String text00 = "data/"+namefile;
               // String text00 = "data/konunview_sanadhoview-204.txt";
                byte[] buffer = null;
                InputStream is;
                try {
                    is = getAssets().open(text00);
                    int size = is.available();
                    buffer = new byte[size];
                    is.read(buffer);
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }

                String str_data = new String(buffer);