package com.joyfulmath.android4example.http;import java.io.BufferedReader;import java.io.InputStreamReader;import org.apache.http.HttpResponse;import org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.DefaultHttpClient;import com.joyfulmath.android4example.R;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;public class HttpDemoActivity extends Activity implements IResult {    protected static final String TAG = "httpdemo.HttpDemoActivity";    public Handler mMainHandler;    public static final String RequestUrl = "http://www.baidu.com";    Button mBtnRequest;    TextView mResponseView;    Button mbtn_json;    /*     * (non-Javadoc)     *      * @see android.app.Activity#onCreate(android.os.Bundle)     */    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.layout_httpdemo_main);        mBtnRequest = (Button) this.findViewById(R.id.btn_request);        mResponseView = (TextView) this.findViewById(R.id.httpdemo_text);        mbtn_json = (Button) this.findViewById(R.id.btn_json);        mBtnRequest.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                WorkThread work = new WorkThread(HttpDemoActivity.this,                        RequestUrl);                work.start();            }        });                mbtn_json.setOnClickListener(new OnClickListener() {                        @Override            public void onClick(View v) {                                JSonParser parser = new JSonParser();                parser.parser();            }        });                        mMainHandler = new Handler() {            /*             * (non-Javadoc)             *              * @see android.os.Handler#handleMessage(android.os.Message)             */            @Override            public void handleMessage(Message msg) {                String str = (String) msg.obj;                Log.i(TAG, "get " + str);                mResponseView.setText(str);            }        };    }    /*     * (non-Javadoc)     *      * @see android.app.Activity#onStart()     */    @Override    protected void onStart() {        super.onStart();    }    /*     * (non-Javadoc)     *      * @see android.app.Activity#onStop()     */    @Override    protected void onStop() {        super.onStop();    }    /*     * (non-Javadoc)     *      * @see android.app.Activity#onDestroy()     */    @Override    protected void onDestroy() {        super.onDestroy();    }    private class WorkThread extends Thread {        IResult mListener;        String address;        String message = "";        public WorkThread(IResult result, String address) {            mListener = result;            this.address = address;        }        /*         * (non-Javadoc)         *          * @see java.lang.Thread#run()         */        @Override        public void run() {            Log.i(TAG, "WorkThread start");            try {                HttpClient client = new DefaultHttpClient();                HttpGet request = new HttpGet(address);                HttpResponse response = client.execute(request);                InputStreamReader inreader = new InputStreamReader(response                        .getEntity().getContent());                BufferedReader reader = new BufferedReader(inreader);                String str = reader.readLine();                Log.i(TAG, "WorkThread start str:"+str);                while(str!=null)                {                    message+= str;                    str = reader.readLine();                }                                if(mListener!=null)                {                    mListener.onResult(message);                }                            } catch (Exception ex) {                Log.i(TAG, "WorkThread ex:"+ex.getMessage());            }        }    }    @Override    public void onResult(String msg) {        Message message = new Message();        message.what = 1;        message.obj = msg;        mMainHandler.sendMessage(message);    }}

package com.joyfulmath.android4example.http;public interface IResult {    void onResult(String msg);}

package com.joyfulmath.android4example.http;import org.json.JSONArray;import org.json.JSONObject;import org.json.JSONTokener;import android.util.Log;public class JSonParser {    private static final String JSON =            "{" +            " \"phone\" : [\"12345678\", \"87654321\"]," +            " \"name\" : \"yuanzhifei89\"," +            " \"age\" : 100," +            " \"address\" : { \"country\" : \"china\", \"province\" : \"jiangsu\" }," +            " \"married\" : false" +            "}";    private static final String TAG = "httpdemo.JSonParser";         public void parser()    {        Log.i(TAG, "[parser]");        try{            JSONTokener jsonparser = new JSONTokener(JSON);            JSONObject person = (JSONObject) jsonparser.nextValue();            JSONArray pbones = person.getJSONArray("phone");            Log.i(TAG, "[parser]pbones:"+pbones.getString(0)+" "+pbones.getString(1));                        String name = person.getString("name");            Log.i(TAG, "[parser]name:"+name);        }catch(Exception ex)        {            Log.i(TAG, "[parser]ex:"+ex.getMessage());        }            }}

package com.joyfulmath.android4example.http;import java.io.IOException;import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlPullParserException;import com.joyfulmath.android4example.R;import android.content.res.Resources;import android.content.res.XmlResourceParser;import android.util.Log;public class XmlParser {    private static final String TAG = "httpdemo.XmlParser";    // pull    /*xmlpullparser 不关心xml的结构属性，它就是开始，结束，属性，value。     *      * */    public void pullXml(Resources res) {        Log.i(TAG, "[pullXml]");        XmlResourceParser parser = res.getXml(R.layout.layout_httpdemo_main);// xmlpullparser        int eventType;        try {            eventType = parser.getEventType();            while (eventType != XmlPullParser.END_DOCUMENT) {                if (eventType == XmlPullParser.START_DOCUMENT) {                    Log.i(TAG, "[pullXml] START_DOCUMENT");                } else if (eventType == XmlPullParser.START_TAG) {                    Log.i(TAG, "[pullXml] START_TAG:" + parser.getName());                    int count = parser.getAttributeCount();                    Log.i(TAG, "[pullXml] \t count" + count );                    for (int i = 0; i < count; i++) {                        String noteName = parser.getAttributeName(i);                        Log.i(TAG, "[pullXml] \t noteName:" + noteName + " at " + i);                        if(noteName.equals("id")||noteName.equals("text"))                        {                            String value = parser.getAttributeValue(i);                            Log.i(TAG, "[pullXml]\t    noteValue:" + value + " at " + i);                        }                    }                } else if (eventType == XmlPullParser.END_TAG) {                    Log.i(TAG, "[pullXml] END_TAG:" + parser.getName());                } else if (eventType == XmlPullParser.TEXT) {                    Log.i(TAG, "[pullXml] TEXT:" + parser.getText());                }                eventType = parser.next();            }            Log.i(TAG, "[pullXml] END_DOCUMENT");        } catch (XmlPullParserException | IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }}