android 创建xml

    //创建xml文件        private void createXmlFile(){            File linceseFile = new File(Environment.getExternalStorageDirectory().toString()+"/cjconfig.xml");                   if (linceseFile.exists()) {        System.out.println("文件存在");        }else{        System.out.println("文件不存在");            try{                    linceseFile.createNewFile();                }catch (IOException e) {                    Log.e("IOException", "exception in createNewFile() method");                }                FileOutputStream fileos = null;                try{                    fileos = new FileOutputStream(linceseFile);                }catch (FileNotFoundException  e) {                    Log.e("FileNotFoundException", "can't create FileOutputStream");                }                XmlSerializer serializer = Xml.newSerializer();                try {                    serializer.setOutput(fileos,"UTF-8");                    serializer.startDocument(null, true);                    serializer.startTag(null, "point");          serializer.startTag(null, "bookname");    serializer.text("Android教程");    serializer.endTag(null, "bookname");    serializer.startTag(null, "bookauthor");    serializer.text("Frankie");    serializer.endTag(null, "bookauthor");                serializer.endTag(null, "point");                    serializer.endDocument();                    serializer.flush();                    fileos.close();                } catch (Exception e) {                    Log.e("Exception","error occurred while creating xml file");                }         }       }