标签：XML Pull Java String void xmlPullParser TAG import id

41. 使用Pull方式解析XML

package nopi.aystudio.mthread;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
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.XmlPullParserException;
import org.xmlpull.v1.XmlPullParserFactory;
import java.io.IOException;
import java.io.StringReader;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class MainActivity extends AppCompatActivity implements View.OnClickListener{

    Button button;
    TextView textView;
    private static final String TAG = "MainActivity";
    //https://raw.githubusercontent.com/AY-Format/appImages/master/other/app.xml

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        button = findViewById(R.id.btn_get);
        textView = findViewById(R.id.text);
        button.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.btn_get:
                getData();
                break;
            default:
                break;
        }
    }

    private void getData(){
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    OkHttpClient client = new OkHttpClient();
                    Request request = new Request.Builder().url("https://raw.githubusercontent.com/AY-Format/appImages/master/other/app.xml").build();
                    Response response = client.newCall(request).execute();
//                    show(response.body().string());
                    parseXMLWithPull(response.body().string());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    private void parseXMLWithPull(String xmlData) {
        try {
            XmlPullParserFactory xmlPullParserFactory = XmlPullParserFactory.newInstance();
            XmlPullParser xmlPullParser = xmlPullParserFactory.newPullParser();
            xmlPullParser.setInput(new StringReader(xmlData));
            int eventType = xmlPullParser.getEventType();
            Log.d(TAG, "parseXMLWithPull: "+eventType);
            String id = "";
            String name = "";
            String version = "";
            while (eventType != xmlPullParser.END_DOCUMENT) {
                String nodeName = xmlPullParser.getName();
                switch (eventType) {
                    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;
                    case XmlPullParser.END_TAG:
                        if ("app".equals(nodeName)){
                            Log.d(TAG, "parseXMLWithPull: id is "+id);
                            Log.d(TAG, "parseXMLWithPull: name is "+name);
                            Log.d(TAG, "parseXMLWithPull: version is "+version);
                        }
                        break;
                }
                eventType = xmlPullParser.next();
            }
        } catch (XmlPullParserException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private void show(final String response){
        runOnUiThread(new Runnable(){
            @Override
            public void run() {
                textView.setText(response);
            }
        });
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"

android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">

    <Button
        android:id="@+id/btn_get"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="获取数据"/>

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

</LinearLayout>

标签：XML,Pull,Java,String,void,xmlPullParser,TAG,import,id
来源： https://blog.csdn.net/weixin_43266090/article/details/100971190

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