Asset에서 파일 읽기

BufferedReader reader = null;
try {
 reader = new BufferedReader(new InputStreamReader(getAssets().open("filename"))); 

 while (true) {
  String line = reader.readLine(); 
  if (line == null) {
   break;
  }
 }
} 
catch (IOException e) {} 
finally {if (reader != null) {try {reader.close();} catch (IOException e) {}}}