try {
     FileInputStream fis = new FileInputStream(mSdPath + "/test.txt");
     /*
     byte[] data = new byte[fis.available()];
     while (fis.read(data) != -1) {;}
     fis.close();
     mEdit.setText(new String(data));*/
     
     StringBuffer sBuffer = new StringBuffer();
     DataInputStream dataIO = new DataInputStream(fis);
     String strLine = null;
     String [] a;

     int i =0;
     while( ( strLine = dataIO.readLine() ) != null ){
     sBuffer.append(strLine + "\n");
     a[i] = strLine;
     i++;
     }

     
     dataIO.close();
     fis.close();
     //mEdit.setText(a,0,i);
     
    } catch (FileNotFoundException e) {
     mEdit.setText("File Not Found");
    }
    catch (Exception e) {;}
    break;

수정어떻게 해야될까요?