Android 실습 (9)

 

< MainActivity.java >

package com.example.ex_0718;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ListView;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    Button btn;
    ListView listView;

    // Volley 사용시 필요한 객체
    RequestQueue requestQueue; // 요청을 보내주는 객체
    StringRequest request; // 요청시 필요한 정보를 담아주는 객체

    // Adapter 연결시 필요한 객체
    MovieAdapter adapter;
    ArrayList<MovieVO> dataset;

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

        btn = findViewById(R.id.btn);
        listView = findViewById(R.id.listview);

        requestQueue = Volley.newRequestQueue(getApplicationContext());
        dataset = new ArrayList<>();
        adapter = new MovieAdapter(getApplicationContext(), R.layout.movie_item, dataset);

        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                request = new StringRequest(
                        Request.Method.GET,
                        "https://kobis.or.kr/kobisopenapi/webservice/rest/boxoffice/searchDailyBoxOfficeList.json?key=f5eef3421c602c6cb7ea224104795888&targetDt=20220717",
                        new Response.Listener<String>() {
                            @Override
                            public void onResponse(String response) {
                                try {
                                    JSONObject json = new JSONObject(response);

                                    JSONObject json2 = json.getJSONObject("boxOfficeResult");
                                    JSONArray movies = json2.getJSONArray("dailyBoxOfficeList");

                                    for (int i = 0; i < movies.length(); i++){
                                        JSONObject movie = (JSONObject)movies.get(i);
                                        // Log.d("check", movie.getString("movieNm"));

                                        String rank = movie.getString("rank");
                                        String old_new = movie.getString("rankOldAndNew");
                                        String movie_title = movie.getString("movieNm");
                                        String count = movie.getString("audiAcc");
                                        String open = movie.getString("openDt");

                                        dataset.add(new MovieVO(rank, old_new, movie_title,count,open));
                                    } // for문 종료

                                    listView.setAdapter(adapter);

                                } catch (JSONException e) {
                                    e.printStackTrace();
                                }
                            }
                        },
                        new Response.ErrorListener() {
                            @Override
                            public void onErrorResponse(VolleyError error) {
                                Log.e("error", error.toString());
                            }
                        }

                );

                requestQueue.add(request);

            }
        });

    }
}

 

< MovieAdapter.java >

package com.example.ex_0718;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import org.w3c.dom.Text;

import java.util.ArrayList;

public class MovieAdapter extends BaseAdapter {
    // 1. Adapter 기능을 가질 수 있는 MovieAdapter 클래스 만들기
    // - 필수적으로 구현해야 하는 메소드를 불러올 수 있도록 만들기

    // 2. Adapter에 필요한 객체 선언
    // - 어플의 정보를 담을 수 있는 객체, 레이아웃을 담기위한 객체, 데이터셋을 담기위한 객체
    // - 레이아웃 템플릿을 xml -> viw 타입으로 변환이 가능한 객체

    private Context context;
    private int layout;
    private ArrayList<MovieVO> dataset;

    private LayoutInflater inflater;

    public MovieAdapter(Context context, int layout, ArrayList<MovieVO> dataset) {
        this.context = context;
        this.layout = layout;
        this.dataset = dataset;

        inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    @Override
    public int getCount() {
        return dataset.size();
    }

    @Override
    public Object getItem(int i) {
        return dataset.get(i);
    }

    @Override
    public long getItemId(int i) {
        return i;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {

        view = inflater.inflate(layout, null);

        TextView rank = view.findViewById(R.id.rank);
        TextView old_new = view.findViewById(R.id.old_new);
        TextView movie_title = view.findViewById(R.id.movie_title);
        TextView count = view.findViewById(R.id.count);
        TextView open = view.findViewById(R.id.open);

        rank.setText(dataset.get(i).getRank());
        old_new.setText(dataset.get(i).getOld_new());
        movie_title.setText(dataset.get(i).getMovie_title());
        count.setText(dataset.get(i).getCount());
        open.setText(dataset.get(i).getOpen());

        return view;
    }


}

 

< MovieVO.java > 

package com.example.ex_0718;

public class MovieVO {
    // 영화 정보에 필요한 데이터를 정리하기
    private String rank;
    private String old_new;
    private String movie_title;
    private String count;
    private String open;

    public MovieVO(String rank, String old_new, String movie_title, String count, String open) {
        this.rank = rank;
        this.old_new = old_new;
        this.movie_title = movie_title;
        this.count = count;
        this.open = open;
    }

    public String getRank() {
        return rank;
    }

    public void setRank(String rank) {
        this.rank = rank;
    }

    public String getOld_new() {
        return old_new;
    }

    public void setOld_new(String old_new) {
        this.old_new = old_new;
    }

    public String getMovie_title() {
        return movie_title;
    }

    public void setMovie_title(String movie_title) {
        this.movie_title = movie_title;
    }

    public String getCount() {
        return count;
    }

    public void setCount(String count) {
        this.count = count;
    }

    public String getOpen() {
        return open;
    }

    public void setOpen(String open) {
        this.open = open;
    }
}

 

버튼을 클릭하면 영화정보가 뜨게 됩니다