Pull解析方式

运行截图


MainActivity.java

package csdn.example.com.notification.NetWorkTest;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

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

import java.io.IOException;
import java.io.StringReader;

import csdn.example.com.notification.R;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class Main6Activity extends AppCompatActivity implements View.OnClickListener {
    TextView request_text;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main6);
        request_text = (TextView) findViewById(R.id.request_text);
        Button send_Request = (Button) findViewById(R.id.send_request);
        send_Request.setOnClickListener(this);

    }


    @Override
    public void onClick(View v) {
        if(v.getId() == R.id.send_request){
            Log.d("T","没毛病,老铁");
            //sendRequestWithHttpURLConnection();
            sendRequestWithOkHttp();
        }
    }

    private void sendRequestWithOkHttp() {
        new Thread(new Runnable() {
            @Override
            public void run() {

                try {
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder()
                            .url("http://10.7.90.163:8088/get_data.xml")
                            .build();
                    Response response = client.newCall(request).execute();
                    String requestData = response.body().string();
                    parseXMLWithPull(requestData);
                    showResponse(requestData);
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void parseXMLWithPull(String xmlData) {
        try {
          XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
            XmlPullParser xmlPullParser = factory.newPullParser();
            xmlPullParser.setInput(new StringReader(xmlData));
            int eventType = xmlPullParser.getEventType();
            String id = "";
            String name = "";
            String version = "";
            while (eventType != xmlPullParser.END_DOCUMENT){
                String nodeName = xmlPullParser.getName();
                switch (eventType){
                    //开始解析某个节点
                    case XmlPullParser.START_TAG:{
                        if("id".equals(nodeName)){
                            id = xmlPullParser.nextText();
                        }else if ("name".equals(nodeName)){
                            name = xmlPullParser.nextText();
                        }else if("version".equals(nodeName)){
                            version = xmlPullParser.nextText();
                        }
                        break;
                    }
                    //完成解析某个节点
                    case XmlPullParser.END_TAG:{
                        if("app".equals(nodeName)){
                            Log.d("Main6Activity","id is "+id);
                            Log.d("Main6Activity","name is "+name);
                            Log.d("Main6Activity","version is "+version);
                        }
                    }
                    default:
                        break;
                }
                eventType = xmlPullParser.next();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


    private void showResponse(final String response) {
       runOnUiThread(new Runnable() {
           @Override
           public void run() {
               Log.d("T","没毛病,老铁1"+response);
               request_text.setText(response);
           }
       });
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/send_request"
        android:text="发送请求"
        />
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/colorAccent"
        >
        <TextView
            android:background="@color/colorPrimary"
            android:id="@+id/request_text"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
    </ScrollView>
</LinearLayout>