xml_pull

package com.example.day14_xmlpull;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;

import android.os.Bundle;
import android.app.Activity;
import android.util.Xml;
import android.view.Menu;
import android.view.View;

/**
 * Parse Xml
 *
 * @author gaoyn
 *
 */
public class MainActivity extends Activity {

	List<Person> persons = new ArrayList<Person>();
	private String tagname;
	Person p;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate (savedInstanceState);
		setContentView(R.layout.activity_main);
	}

	// method to parse xml file
	public void pullxml(View v) {
		// 1 get the pull parser
		XmlPullParser xmlParser = Xml.newPullParser ();
		try {
			// 2 Load the file that needs to be parsed
			xmlParser.setInput(getAssets().open("data.xml"), "utf-8");
			// 3 start reading the document
			int type = xmlParser.getEventType ();
			// If the document does not read the end tag, loop to read the document content
			while (type != XmlPullParser.END_DOCUMENT) {
				// read the tag tag
				switch (type) {
				case XmlPullParser.START_DOCUMENT:
					System.out.println("Start reading document +++++++++++++++++");
					break;
				case XmlPullParser.START_TAG:
					// If the start tag is read, read the tag name <person>
					tagname = xmlParser.getName();
					System.out.println(tagname+"++++++++++++++++tagname");
					if (tagname.equals("person")) {
						p = new Person();
						// Get the attribute value in the tag person
						String sid = xmlParser.getAttributeValue(0).trim();
						p.setId(Integer.parseInt(sid));
					}
					break;
				case XmlPullParser.TEXT:
					if (tagname.equals("name")) {
						p.setName(xmlParser.getText());
					} else if (tagname.equals("age")) {
//						System.out.println(xmlParser.getText());
						String sage = xmlParser.getText().trim();
						p.setAge(Integer.parseInt(sage));
					}
					break;
				case XmlPullParser.END_TAG:
					//At the end, assign a value to the label name
					tagname=xmlParser.getName();
					//if the closing tag is </person>
					if (tagname.equals("person")) {
						persons.add(p);
					}
					tagname="";
					break;
				default:
					break;
				}
				/**
				 * Business logic processing
				 */
				type = xmlParser.next();
			}

			System.out.println("Read the document ++++++++++++++++++" + persons);
		} catch (XmlPullParserException e) {
			e.printStackTrace ();
		} catch (IOException e) {
			e.printStackTrace ();
		}
	}

}