안드로이드 - CSV import

public static void InsertCSVFile(String FilePath, String filename,
        String TableName) {
    try {
        FileReader fr = new FileReader(new File("mnt/sdcard/",
                "olinecsv.csv"));
        BufferedReader br = new BufferedReader(fr);
        String data = "";
        String tableName = "Test";
        String columns = "ID,NAME,TYPE";
        String InsertString1 = "INSERT INTO " + tableName + " (" + columns
                + ") values(";
        String InsertString2 = ");";

        mainDatabase.beginTransaction();
        while ((data = br.readLine()) != null) {
            StringBuilder sb = new StringBuilder(InsertString1);
            String[] sarray = data.split(",");
            sb.append(sarray[0] + ",");
            sb.append( sarray[1] + ",");
            sb.append(sarray[2]);
            sb.append(InsertString2);
            if(sarray[0].contains("ID"))
                continue;
            mainDatabase.rawQuery(sb.toString(), null);
            //mainDatabase.execSQL(sb.toString());
        }