使用PULL方式解析XML资源文件下面的xml文件

public class MainActivity extends Activity {

    private Button btn = null;

    private List<Map<String,String>> list = null;

    private XmlResourceParser xrp = null;

    

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        

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

        

        list = new ArrayList<Map<String,String>>();

        

        xrp = this.getResources().getXml(R.xml.students);

        

        btn.setOnClickListener(new OnClickListener(){

            @Override

            public void onClick(View arg0) {

                Map<String,String> map = null;

                String tag = "";

                try {

                    while(xrp.getEventType() != XmlResourceParser.END_DOCUMENT){

                        switch(xrp.getEventType()){

                        case XmlResourceParser.START_TAG:

                            tag = xrp.getName();

                            if(tag.equalsIgnoreCase("student")){

                                map = new HashMap<String,String>();

                            }else if(map != null){

                                if(tag.equalsIgnoreCase("id")){

                                    map.put("id", xrp.nextText());

                                }else if(tag.equalsIgnoreCase("name")){

                                    map.put("name", xrp.nextText());

                                }        

                            }

                            break;

                        case XmlResourceParser.END_TAG:

                            if(xrp.getName().equalsIgnoreCase("student") && map!=null){

                                list.add(map);

                                map = null;

                            }

                            break;

                        }

                        xrp.next();

                    }

                }catch (XmlPullParserException e) {

                    e.printStackTrace();

                }catch(IOException e){

                    e.printStackTrace();

                }

                

                for(int i=0; i<list.size(); i++){

                    Log.d("+id+", list.get(i).get("id"));

                }

            }

        });

    }

}

xml/students.xml

<?xml version="1.0" encoding="UTF-8"?>

<students>

    <student>

        <id>1</id>

        <name>张三</name>

    </student>

    <student>

        <id>2</id>

        <name>李四</name>

    </student>

    <student>

        <id>3</id>

        <name>王五</name>

    </student>

</students>