Android Seoul OpenAPI example

안드로이드에서 HttpClient, XmlPullParser를 사용하여 서울시 OpenAPI에 접근하고 데이터를 가져오는 예

서울안심먹거리 목록 중에서 50개 항목을 가져와서 XmlPullParser를 거쳐 TextView에 출력하는 내용

참고: '서울안심먹거리 목록' 의 데이터 포맷은 이 페이지 하단을 참고하세요

res/layout/main.xml

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

    <ScrollView
        android:id="@+id/scrollView1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <TextView
            android:id="@+id/textView1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="" />

    </ScrollView>

</LinearLayout>

AndroidManifest.xml 파일 설정 <uses-permission android:name="android.permission.INTERNET"/>

MainActivity.java

package com.example.androidapp;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;

import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.impl.client.DefaultHttpClient;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserFactory;

import android.app.*;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.*;
import android.util.*;
import android.widget.*;

public class MainActivity extends Activity {
	String auth_code = "개발자 인증 코드";

	TextView tv;
	Handler handler = new Handler();
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        tv = (TextView) findViewById(R.id.textView1);

        new Thread() {
        	public void run() {
        		connect();
        	}
        }.start();
    }
    
    StringBuilder strBuilder = new StringBuilder();

    private void connect() {
    	try{
    	    String service = URLEncoder.encode("서울안심먹거리 목록", "UTF-8");
    	    String strUrl = "http://openapi.seoul.go.kr:8088/xml/"+auth_code+"/"+service+"/1/50/";
    	    HttpClient httpClient = new DefaultHttpClient();
    	    HttpGet httpGet = new HttpGet(strUrl);
    	    HttpResponse response = httpClient.execute(httpGet);
    		
    	    InputStream is = response.getEntity().getContent();

    	    XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
            factory.setNamespaceAware(true);
            XmlPullParser xpp = factory.newPullParser();
            xpp.setInput(is, "utf-8");
            
    	    while(xpp.getEventType()!=XmlPullParser.END_DOCUMENT){
    	        if(xpp.getEventType()==XmlPullParser.START_TAG){
    		    if(xpp.getName().equals("CTF_TYPE_NAME")){
    		        xpp.next(); // 텍스트로 이동
    		    	typeName = xpp.getText(); // 텍스트 가져옴
    		    	while(true) {
    		    	    xpp.next();	
    		    	    if(xpp.getEventType()==XmlPullParser.START_TAG && xpp.getName().equals("CTF_NAME")){
    		    	        xpp.next();
    		    		ctfName = xpp.getText();
    		    		break;
    		    	    }
    		    	 }
    		    	 while(true) {
    		    	     xpp.next();	
    		    	     if(xpp.getEventType()==XmlPullParser.START_TAG && xpp.getName().equals("CTF_ADDR")){
    		    		 xpp.next();
    		    		 ctfAddr = xpp.getText();
    		    		 break;
    		    	     }
    		    	 }
    		    	 while(true) {
    		    	     xpp.next();	
    		    	     if(xpp.getEventType()==XmlPullParser.START_TAG && xpp.getName().equals("CTF_TEL")){
    		    	         xpp.next();
    		    		 ctfTel = xpp.getText()==null || xpp.getText().equals("") ? "" : xpp.getText();
    		    		 break;
    		    	     }
    		    	 }
    		    	 
    		    	 strBuilder.append(typeName+":"+ctfName+":"+ctfAddr+":"+ctfTel+"\n\n");
    		    	 
    		    } // end of if(STF_TYPE_NAME)
    		} // end of if( START_TAG)
    	        xpp.next();
    	    } // end of while()
    	    handler.post(new Runnable() {
    	        public void run() {
    		    tv.append(strBuilder.toString());
    		}
    	    });
    	}catch(Exception ex) {
    	    ex.printStackTrace();
    	    Log.e("접속오류", ex.toString());
    	}
    }

}

참고로 '서울안심먹거리 목록' 의 데이터 포맷은 다음과 같은 형태로 구성된다

<?xml version="1.0" encoding="UTF-8"?>
<서울안심먹거리목록>
<row1>
<CTF_CODE>306</CTF_CODE>
<CTF_TYPE>1</CTF_TYPE>
<CTF_TYPE_NAME>원산지표시 우수음식점</CTF_TYPE_NAME>
<CTF_GU>1</CTF_GU>
<CTF_NAME>한우리외식산업(주)</CTF_NAME>
<CTF_X>203073.5486</CTF_X>
<CTF_Y>446852.3622</CTF_Y>
<CTF_ADDR>강남구 논현동 91-18</CTF_ADDR>
<CTF_TEL>545-3334</CTF_TEL>
</row1>
<row2>
<CTF_CODE>304</CTF_CODE>
<CTF_TYPE>1</CTF_TYPE>
<CTF_TYPE_NAME>원산지표시 우수음식점</CTF_TYPE_NAME>
<CTF_GU>1</CTF_GU>
<CTF_NAME>한서외식산업(주)</CTF_NAME>
<CTF_X>203110.8549</CTF_X>
<CTF_Y>446894.9602</CTF_Y>
<CTF_ADDR>강남구 논현동 91-4 지하1층, 지상3,4,5층</CTF_ADDR>
<CTF_TEL>541-4277</CTF_TEL>
</row2>
<row3>
<CTF_CODE>281</CTF_CODE>
<CTF_TYPE>1</CTF_TYPE>
<CTF_TYPE_NAME>원산지표시 우수음식점</CTF_TYPE_NAME>
<CTF_GU>1</CTF_GU>
<CTF_NAME>한미리</CTF_NAME>
<CTF_X>205718.8580</CTF_X>
<CTF_Y>445010.7262</CTF_Y>
<CTF_ADDR>강남구 대치동 968-4</CTF_ADDR>
<CTF_TEL>556-4834</CTF_TEL>
</row3>
</서울안심먹거리목록>