android 創建xml

    //創建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");    
            } 
        }   
    }