生成一个XML文件：XML的序列化器

生成一个XML文件：XML的序列化器@H_502_5@

public@H_502_5@ class@H_502_5@ MainActivity extends@H_502_5@ Activity implements@H_502_5@ OnClickListener {

private@H_502_5@ Button bt_create ;

private@H_502_5@ List<SmsBean> smsList ;

SmsBean sms ;

@Override

protected@H_502_5@ void@H_502_5@ onCreate(Bundle savedInstanceState) {

super@H_502_5@ .onCreate(savedInstanceState);

setContentView(R.layout. activity_main );

bt_create =(Button) findViewById(R.id. bt_create );

bt_create .setOnClickListener( this@H_502_5@ );

//模拟短信生成

Random random= new@H_502_5@ Random();

smsList = new@H_502_5@ ArrayList<SmsBean>();

for@H_502_5@ ( int@H_502_5@ i=0;i<10;i++){

sms = new@H_502_5@ SmsBean(String.valueOf(random.nextInt(9999)), "短信内容" +i,System.currentTimeMillis());

smsList .add( sms );

}

}

/**

* 生成一个xml文件

*/

@Override

public@H_502_5@ void@H_502_5@ onClick(View v) {

try@H_502_5@ {

//创建xml序列化器

XmlSerializer serializer = Xml.newSerializer();

//初始化序列化器参数

File file= new@H_502_5@ File(Environment.getExternalStorageDirectory(), "/sms.xml" );

FileOutputStream fos= new@H_502_5@ FileOutputStream(file);

serializer.setOutput(fos, "UTF-8" );

//开始写xml文件

serializer.startDocument( "UTF-8" , true@H_502_5@ ); //xml文件头配置

serializer.startTag( null@H_502_5@ , "Sms" ); //1.命名空间 2.节点名称

for@H_502_5@ (SmsBean sms : smsList ) {

serializer.startTag( null@H_502_5@ , "sms" );

serializer.attribute( null@H_502_5@ , "id" , "1" ); //添加节点属性

serializer.startTag( null@H_502_5@ , "address" );

serializer.text(sms.getAddress());

serializer.endTag( null@H_502_5@ , "address" );

serializer.startTag( null@H_502_5@ , "content" );

serializer.text(sms.getContent());

serializer.endTag( null@H_502_5@ , "content" );

serializer.startTag( null@H_502_5@ , "tate" );

serializer.text(String.valueOf(sms.getDate()));

serializer.endTag( null@H_502_5@ , "tate" );

serializer.endTag( null@H_502_5@ , "sms" );

}

serializer.endTag( null@H_502_5@ , "Sms" );

serializer.endDocument();

//关闭流资源

fos.close();

Toast.makeText(getApplicationContext(), "生成xml文件成功" ,0).show();

} catch@H_502_5@ (Exception e) {

e.printStackTrace();

Toast.makeText(getApplicationContext(), "生成xml文件失败" ,0).show();

}

}

}

生成一个XML文件：XML的序列化器

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