Volley解析Xml数据

package com.example.volley_2;

import java.io.IOException;

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

import com.android.volley.Request.Method;
import com.android.volley.RequestQueue;
import com.android.volley.Response.ErrorListener;
import com.android.volley.Response.Listener;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.Volley;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

/**
* @author HD
* @date 2015-11-23
* @package_name com.example.volley_2
* @file_name MainActivity.java
*/
public class MainActivity extends Activity {
private TextView mTextView;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTextView = (TextView) findViewById(R.id.textview);
RequestQueue mQueue = Volley.newRequestQueue(MainActivity.this);
XMLRequest request = new XMLRequest(Method.GET,
"http://flash.weather.com.cn/wmaps/xml/china.xml",
new Listener<XmlPullParser>() {

@Override
public void onResponse(XmlPullParser response) {
// TODO 自动生成的方法存根
try {
int eventType = response.getEventType();
while (eventType != XmlPullParser.END_DOCUMENT) {
switch (eventType) {
case XmlPullParser.START_TAG:
String nodeName = response.getName();
if ("city".equals(nodeName)) {
String pName = response
.getAttributeName(0);
String pValue = response.getAttributeValue(0);
Log.i("hd", pName+":"+pValue);
}
break;
}
eventType = response.next();
}
} catch (XmlPullParserException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
} catch (IOException e) {
// TODO 自动生成的 catch 块
e.printStackTrace();
}
}
}, new ErrorListener() {

@Override
public void onErrorResponse(VolleyError error) {
// TODO 自动生成的方法存根
Log.i("hd", error.getMessage(), error);
}
});
mQueue.add(request);
}

}

package com.example.volley_2;

import java.io.StringReader;
import java.io.UnsupportedEncodingException;

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

import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.Response.ErrorListener;
import com.android.volley.Response.Listener;
import com.android.volley.toolbox.HttpHeaderParser;

/**
* @author HD
* @date 2015-11-23
* @package_name com.example.volley_2
* @file_name XMLRequest.java
*/
public class XMLRequest extends Request<XmlPullParser> {
private  Listener<XmlPullParser> mListener;

public XMLRequest(int method, String url, Listener<XmlPullParser> listener,
ErrorListener errolistener) {
super(method, url, errolistener);
mListener = listener;
// TODO 自动生成的构造函数存根
}

public XMLRequest(int method, String url, ErrorListener listener) {
super(method, url, listener);
// TODO 自动生成的构造函数存根
}

@Override
protected Response<XmlPullParser> parseNetworkResponse(
NetworkResponse response) {
// TODO 自动生成的方法存根
String parsed;
try {
parsed = new String(response.data, HttpHeaderParser.parseCharset(response.headers));
XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
XmlPullParser xmlPullParser = factory.newPullParser();
xmlPullParser.setInput(new StringReader(parsed));
return Response.success(xmlPullParser, HttpHeaderParser.parseCacheHeaders(response));
} catch (UnsupportedEncodingException e) {
// TODO: handle exception
return Response.error(new ParseError(e));
} catch (XmlPullParserException e) {
// TODO 自动生成的 catch 块
return Response.error(new ParseError(e));
}
}

@Override
protected void deliverResponse(XmlPullParser response) {
// TODO 自动生成的方法存根
mListener.onResponse(response);
}

}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.volley_2.MainActivity" >

<TextView
android:id="@+id/textview"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.volley_2"
android:versionCode="1"
android:versionName="1.0" >

<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.INTERNET"/>

<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>

</manifest>