Networking - API 요청하기

MainActivity.java

 

package com.ktds.mymovieapi;
 
import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.ActionBarActivity;
import android.widget.ListView;
 
 
 
public class MainActivity extends ActionBarActivity {
 
    private ListView movieList;
    private Handler handler;
    private MovieItemAdapter adapter;
 
    public MovieItemAdapter getAdapter() {
        return adapter;
    }
    public Handler getHandler() {
        return handler;
    }
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        adapter = new MovieItemAdapter(this);
        handler = new Handler();
        movieList = (ListView) findViewById(R.id.movieList);
        movieList.setAdapter(adapter);
 
        // runnable로 구현 : 교재는 thread
        new Thread(new RequestMovieInfoThread(this)).start();
    }
 
}
 

 

 

RequestMovieInfoThread.java

 

 

package com.ktds.mymovieapi;
 
import android.content.Context;
 
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
 
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
 
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
 
/**
 * Created by 206-001 on 2015-06-24.
 */
public class RequestMovieInfoThread implements Runnable{
 
    private Context context;
 
    public RequestMovieInfoThread(Context context) {
        this.context = context;
    }
 
    @Override
    public void run() {
 
        try {
            URL urlForHttp = new URL("http://openapi.naver.com/search?key=c1b406b32dbbbbeee5f2a36ddc14067f&query=벤허&display=10&start=1&target=movie ");
 
            // URL로 연결을 준비함.
            HttpURLConnection conn = (HttpURLConnection)urlForHttp.openConnection();
            conn.setConnectTimeout(1000);
            conn.setRequestMethod("GET");
            conn.setDoInput(true);
            conn.setDoOutput(true);
 
            InputStream inputStream = null;
 
            // conn.getResponseCode() 호출 됬을 때 URL로 연결함
            if( conn.getResponseCode() == HttpURLConnection.HTTP_OK){
                // byte로 되있는 html tag 들
                inputStream = conn.getInputStream();
            }
            DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = builderFactory.newDocumentBuilder();
            Document document = builder.parse(inputStream);
            DocumentUtil.processDocument(document);
 
            //TODO 계속 작성해야 함
            ((MainActivity)context).getHandler().post(new Runnable() {
                @Override
                public void run() {
                    // 외부에서 데이터를 받아와서 listView를 갱신한다.
                    ((MainActivity)context).getAdapter().setMovieInfoList(DocumentUtil.getMovieInfoList());
                    ((MainActivity)context).getAdapter().notifyDataSetChanged();
                }
            });
 
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ParserConfigurationException e) {
            e.printStackTrace();
        } catch (SAXException e) {
            e.printStackTrace();
        }
 
    }
 
}
 

 

 

 

DocumentUtil.java

 

package com.ktds.mymovieapi;
 
 
import android.util.Log;
 
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * Created by 206-001 on 2015-06-24.
 */
public class DocumentUtil {
 
    private static List<MovieInfo> movieInfoList;
 
    public static List<MovieInfo> getMovieInfoList(){
        List<MovieInfo> tempList = new ArrayList<MovieInfo>();
 
        if(movieInfoList != null){
            tempList.addAll(movieInfoList);
        }
 
        return tempList;
    }
 
    public static void processDocument(Document document){
 
        // 초기화
        movieInfoList = new ArrayList<MovieInfo>();
 
        // XML을 얻어화서 변환한 Document 객체를 Element로 받아온다.
        // Element는 Document에 포함되는 객체를 말한다.
        // 이 Element는 여러개의 Node를 가진다.
 
        Element docElement = document.getDocumentElement();
 
        // item이라는 이름의 Element를 가져온다.
        // 이 Element는 여러개의 Node를 가지고 있다.
        NodeList nodeList = document.getElementsByTagName("item");
 
        MovieInfo movieInfo = null;
        if(nodeList != null && nodeList.getLength() >0){
            for(int i=0; i<nodeList.getLength(); i++){
 
                // 각각의 Item Node에서 Movie 정보를 가져온다.
                movieInfo = getConvertNodeToMovieInfo((Element)nodeList.item(i));
                if(movieInfo != null){
                    movieInfoList.add(movieInfo);
                }
            }
        }
 
    }
 
    private static MovieInfo getConvertNodeToMovieInfo(Element entry){
 
        MovieInfo movieInfo = null;
 
        try{
            // 데이터 꺼내오기
            Element image = (Element) entry.getElementsByTagName("image").item(0);
            Element subject = (Element) entry.getElementsByTagName("title").item(0);
            Element pubDate = (Element) entry.getElementsByTagName("pubDate").item(0);
            Element director = (Element) entry.getElementsByTagName("director").item(0);
            Element actors = (Element) entry.getElementsByTagName("actor").item(0);
            Element userRating = (Element) entry.getElementsByTagName("userRating").item(0);
 
            // 데이터 채우기
            movieInfo = new MovieInfo();
            movieInfo.setImageUrl( getValue(image) );
            movieInfo.setSubject( getValue(subject) );
            movieInfo.setPubDate( getValue(pubDate) );
            movieInfo.setDirector( getValue(director) );
            movieInfo.setActors( getValue(actors) );
            movieInfo.setUserRating(Float.parseFloat( getValue(userRating) ));
 
        }catch (DOMException dome){
            // throw new ~~ 이거 안드로이드에서는 절대 하지마
            // 로그 사용해라.
            dome.printStackTrace();
            Log.d("ERROR",dome.getMessage());
        }
 
        return movieInfo;
    }
 
    private static String getValue(Element element){
 
        String value = "";
 
        if(element != null && element.getFirstChild() != null){
            value = element.getFirstChild().getNodeValue();
        }
        return value;
    }
 
}
 

 

 

 

MovieItemAdapter.java

 

 

package com.ktds.mymovieapi;
 
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.RatingBar;
import android.widget.TextView;
 
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
 
/**
 * Created by 206-001 on 2015-06-24.
 */
public class MovieItemAdapter extends BaseAdapter {
 
    private Context context;
    private List<MovieInfo> movieInfoList;
 
    public void setMovieInfoList(List<MovieInfo> movieInfoList) {
        this.movieInfoList = movieInfoList;
    }
 
    public MovieItemAdapter(Context context) {
        this.context = context;
        this.movieInfoList = new ArrayList<MovieInfo>();
    }
 
    @Override
    public int getCount() {
        return this.movieInfoList.size();
    }
 
    @Override
    public Object getItem(int position) {
        return this.movieInfoList.get(position);
    }
 
    @Override
    public long getItemId(int position) {
        return position;
    }
 
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
 
        MovieInfoHolder holder = null;
 
        if(convertView == null){
            LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = inflater.inflate(R.layout.movie_item, parent, false);
 
            holder = new MovieInfoHolder();
            holder.poster = (ImageView) convertView.findViewById(R.id.poster);
            holder.subject = (TextView) convertView.findViewById(R.id.subject);
            holder.pubDate = (TextView) convertView.findViewById(R.id.pubDate);
            holder.director = (TextView) convertView.findViewById(R.id.director);
            holder.actors = (TextView) convertView.findViewById(R.id.actors);
            holder.userRating = (RatingBar) convertView.findViewById(R.id.userRating);
        }
        else{
            holder = (MovieInfoHolder) convertView.getTag();
        }
 
        MovieInfo movieInfo = (MovieInfo) getItem(position);
        holder.subject.setText(movieInfo.getSubject());
        holder.pubDate.setText(movieInfo.getPubDate());
        holder.director.setText(movieInfo.getDirector());
        holder.actors.setText(movieInfo.getActors());
        holder.userRating.setRating(movieInfo.getUserRating() / 2.0f);
 
        getBitmap(movieInfo.getImageUrl(), holder);
        convertView.setTag(holder);
 
        return convertView;
    }
 
    private class MovieInfoHolder{
 
        public ImageView poster;
        public TextView subject;
        public TextView pubDate;
        public TextView director;
        public TextView actors;
        public RatingBar userRating;
    }
 
    private void getBitmap(final String url, final MovieInfoHolder holder){
 
        // http 요청하기 위해 thread 필요
        new Thread(){
 
            @Override
            public void run() {
                if(url.length() > 0){
                    URL imgUrl = null;
                    HttpURLConnection connection = null;
 
                    try{
                        imgUrl = new URL(url);
                        connection = (HttpURLConnection) imgUrl.openConnection();
                        connection.setDoInput(true);
                        connection.connect();
 
                        final Bitmap bitmap = BitmapFactory.decodeStream(connection.getInputStream());
 
                        ((MainActivity)context).getHandler().post(new Runnable() {
                            @Override
                            public void run() {
 
                                holder.poster.setImageBitmap(bitmap);
                            }
                        });
 
                    }catch (MalformedURLException e) {
                        e.printStackTrace();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    finally {
                        if(connection != null){
                            connection.disconnect();
                        }
                    }
                }
            }
        }.start();
    }
}
 

 

 

MovieInfo.java

 

package com.ktds.mymovieapi;
 
/**
 * Created by 206-001 on 2015-06-24.
 */
public class MovieInfo {
 
    private String imageUrl;
    private String subject;
    private String pubDate;
    private String director;
    private String actors;
    private float userRating;
 
    public String getImageUrl() {
        return imageUrl;
    }
 
    public void setImageUrl(String imageUrl) {
        this.imageUrl = imageUrl;
    }
 
    public String getSubject() {
        return subject;
    }
 
    public void setSubject(String subject) {
        this.subject = subject;
    }
 
    public String getPubDate() {
        return pubDate;
    }
 
    public void setPubDate(String pubDate) {
        this.pubDate = pubDate;
    }
 
    public String getDirector() {
        return director;
    }
 
    public void setDirector(String director) {
        this.director = director;
    }
 
    public String getActors() {
        return actors;
    }
 
    public void setActors(String actors) {
        this.actors = actors;
    }
 
    public float getUserRating() {
        return userRating;
    }
 
    public void setUserRating(float userRating) {
        this.userRating = userRating;
    }
}
 

 

 

 

activity_main.xml

 

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">
 
    <ListView
        android:id="@+id/movieList"
        android:layout_width="match_parent"
        android:layout_height="match_parent" />
 
</LinearLayout>
 

 

 

movie_item.xml

 

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
 
    <ImageView
        android:id="@+id/poster"
        android:layout_width="100dp"
        android:layout_height="100dp"
        android:src="@drawable/oh"
        />
    <TextView
        android:id="@+id/subject"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/poster"
        android:text="제목"
        android:textSize="18dp"
        android:textStyle="bold"
        android:singleLine="true"
        android:layout_marginLeft="10dp"/>
 
    <TextView
        android:id="@+id/pubDate"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="제작년도"
        android:textSize="16dp"
        android:layout_below="@+id/subject"
        android:layout_toRightOf="@+id/poster"
        android:layout_marginLeft="10dp"/>
 
    <TextView
        android:id="@+id/director"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="감독"
        android:textSize="16dp"
        android:layout_below="@+id/pubDate"
        android:layout_toRightOf="@+id/poster"
        android:layout_marginLeft="10dp"/>
 
    <TextView
        android:id="@+id/actors"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="출연배우"
        android:textSize="16dp"
        android:layout_below="@+id/director"
        android:layout_toRightOf="@+id/poster"
        android:layout_marginLeft="10dp"/>
 
    <RatingBar
        style="?android:attr/ratingBarStyleSmall"
        android:id="@+id/userRating"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/actors"
        android:layout_toRightOf="@+id/poster"
        android:layout_marginLeft="10dp"/>
 
 
</RelativeLayout>
 

 

 

 

 

 

 

 

MOVIE API CYCLE