안녕하세요 오늘은 HTML Dom Parse를 통하여 앱을 만들어 보았습니다

Android Native App 을 통하여 네이버와 다음 메인화면의 실시간 검색어를 parse를 해오는 기능을 보도록 하겠습니다.



1. 안드로이드 설치

2. Jsoup 다운로드 [바로가기] 


3. 다운받은 라이브버리 추가하기

  - app > lib 드래그 앤드 드랍으로 추가


4. 소스코드

MainActivity.java

package com.example.minju.myapplication;


import android.annotation.SuppressLint;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import java.io.IOException;

public class MainActivity extends AppCompatActivity {
    TextView textView; //결과를 띄어줄 TextView
    TextView reload; //reload버튼

    TextView textView2; //결과를 띄어줄 TextView
    TextView reload2; //reload버튼

    Elements contents;
    Document doc = null;
    String Top10;//결과를 저장할 문자열변수

    Elements contents2;
    Document doc2 = null;
    String Top102;//결과를 저장할 문자열변수


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

        textView = (TextView) findViewById(R.id.textBox);
        reload = (TextView) findViewById(R.id.reload);

        textView2 = (TextView) findViewById(R.id.textBox2);
        reload2 = (TextView) findViewById(R.id.reload2);


        new AsyncTask() {
            @Override
            protected Object doInBackground(Object[] params) {
                try {
                    doc = Jsoup.connect("https://www.naver.com/").get();
                    contents = doc.select("span.ah_k");
                } catch (IOException e) {
                    e.printStackTrace();
                }

                Top10 = "";
                int cnt = 0;
                for(Element element: contents) {
                    cnt++;
                    Top10 += cnt+". "+element.text() + "\n";
                    if(cnt == 10)
                        break;
                }

                /////////////////////////////////
                try {
                    doc2 = Jsoup.connect("https://www.daum.net/").get();
                    contents2 = doc2.select("div span.txt_issue a.link_issue");
                } catch (IOException e) {
                    e.printStackTrace();
                }

                Top102 = "";
                int cnt2 = 0;
                for(Element element2: contents2) {
                    cnt2++;
                    if(cnt2%2 == 0) {
                        Top102 += cnt2/2 + ". " + element2.text() + "\n";
                    }
                    if(cnt2 == 20)
                        break;
                }
                return null;

            }

            @Override
            protected void onPostExecute(Object o) {
                super.onPostExecute(o);
                Log.i("TAG",""+Top10);
                Log.i("TAG",""+Top102);
                textView.setText(Top10);
                textView2.setText(Top102);
            }
        }.execute();


        reload.setOnClickListener(new View.OnClickListener() {//onclicklistener를 연결하여 터치시 실행됨
            @SuppressLint("StaticFieldLeak")
            @Override
            public void onClick(View v) {
                new AsyncTask() {
                    @Override
                    protected Object doInBackground(Object[] params) {
                        try {
                            doc = Jsoup.connect("https://www.naver.com/").get();
                            contents = doc.select("span.ah_k");
                        } catch (IOException e) {
                            e.printStackTrace();
                        }

                        Top10 = "";
                        int cnt = 0;
                        for(Element element: contents) {
                            cnt++;
                            Top10 += cnt+". "+element.text() + "\n";
                            if(cnt == 10)
                                break;
                        }
                        return null;
                    }

                    @Override
                    protected void onPostExecute(Object o) {
                        super.onPostExecute(o);
                        Log.i("TAG",""+Top10);
                        textView.setText(Top10);
                    }
                }.execute();
            }
        });
    }}


activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <TextView
        android:id="@+id/reload"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#bae53c"
        android:gravity="center"
        android:text="네이버 실시간 키워드"
        android:textSize="40sp"
        android:textStyle="bold" />

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="200dp">

        <TextView
            android:id="@+id/textBox"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:text="text"
            android:textSize="18sp" />
    </ScrollView>

    <TextView
        android:id="@+id/reload2"
        android:layout_width="match_parent"
        android:layout_height="65dp"
        android:background="@android:color/holo_orange_dark"
        android:gravity="center"
        android:text="다음 실시간 키워드"
        android:textSize="40sp"
        android:textStyle="bold" />

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="200dp">

        <TextView
            android:id="@+id/textBox2"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="text"
            android:textSize="18sp" />
    </ScrollView>
</LinearLayout> 


AndroidManifest.xml



<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.minju.myapplication">
    <uses-permission android:name="android.permission.INTERNET" /> 


5. apk만들기

-Build > Build Apk 를 실행하여 apk파일을 생성 (구글 개발자에 올리는 버전이 아닙니다)

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