KangKkaem

열심히 하는 강깸의 프로그래밍 블로그입니다.

  • 안드로이드 어플만들기

-> 지역검색이 가능하고 쇼핑검색 그리고 영화검색이 가능한 기능을 구현할것이다.

먼저 총 생성한 파일들의 모습으로는 아래 그림과 같다.

파일

1. 메인

Kakao.java



import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class Kakao {

    public static String connect(String apiURL) {
        try {
            URL url = new URL(apiURL);
            HttpURLConnection con = (HttpURLConnection)url.openConnection();
            con.setRequestMethod("GET");
            con.setRequestProperty("Authorization", "KakaoAK 04ce4bf8002de6c8466523c16b6de483");
            int responseCode = con.getResponseCode();
            BufferedReader br;
            if(responseCode==200) { // 정상 호출인 경우
                br = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));
            } else { //에러 발생가 발생한 경우
                br = new BufferedReader(new InputStreamReader(con.getErrorStream()));
            }
            String inputLine;
            StringBuffer response = new StringBuffer();
            while ((inputLine = br.readLine()) != null) {
                response.append(inputLine);
            }
            br.close();
            //System.out.println(response.toString());
            return response.toString();
        }catch (Exception e) {
            return e.toString();
        }
    }

}

Naver

package com.example.ex10;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;


public class Naver {
    public static String connect(String url, String query) {
        String clientId = "DC8ojH4p4RE2lMhourmV"; //애플리케이션 클라이언트 아이디값"
        String clientSecret = "1KTqGCjPFg"; //애플리케이션 클라이언트 시크릿값"

        String text = null;
        try {
            text = URLEncoder.encode(query, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException("검색어 인코딩 실패",e);
        }

        String apiURL = url +"?query=" + text;    // json 결과
        //String apiURL = "https://openapi.naver.com/v1/search/blog.xml?query="+ text; // xml 결과


        Map<String, String> requestHeaders = new HashMap<>();
        requestHeaders.put("X-Naver-Client-Id", clientId);
        requestHeaders.put("X-Naver-Client-Secret", clientSecret);
        String responseBody = get(apiURL,requestHeaders);

        System.out.println(responseBody);
        return responseBody;
    }


    private static String get(String apiUrl, Map<String, String> requestHeaders){
        HttpURLConnection con = connect(apiUrl);
        try {
            con.setRequestMethod("GET");
            for(Map.Entry<String, String> header :requestHeaders.entrySet()) {
                con.setRequestProperty(header.getKey(), header.getValue());
            }


            int responseCode = con.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) { // 정상 호출
                return readBody(con.getInputStream());
            } else { // 에러 발생
                return readBody(con.getErrorStream());
            }
        } catch (IOException e) {
            throw new RuntimeException("API 요청과 응답 실패", e);
        } finally {
            con.disconnect();
        }
    }


    private static HttpURLConnection connect(String apiUrl){
        try {
            URL url = new URL(apiUrl);
            return (HttpURLConnection)url.openConnection();
        } catch (MalformedURLException e) {
            throw new RuntimeException("API URL이 잘못되었습니다. : " + apiUrl, e);
        } catch (IOException e) {
            throw new RuntimeException("연결이 실패했습니다. : " + apiUrl, e);
        }
    }


    private static String readBody(InputStream body){
        InputStreamReader streamReader = new InputStreamReader(body);


        try (BufferedReader lineReader = new BufferedReader(streamReader)) {
            StringBuilder responseBody = new StringBuilder();


            String line;
            while ((line = lineReader.readLine()) != null) {
                responseBody.append(line);
            }


            return responseBody.toString();
        } catch (IOException e) {
            throw new RuntimeException("API 응답을 읽는데 실패했습니다.", e);
        }
    }
}

MainActivity

package com.example.ex10;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentPagerAdapter;
import androidx.viewpager.widget.PagerAdapter;
import androidx.viewpager.widget.ViewPager;

import android.os.Bundle;
import android.view.MenuItem;
import android.widget.LinearLayout;

import com.google.android.material.tabs.TabLayout;

public class MainActivity extends AppCompatActivity {
    DrawerLayout drawer;
    LinearLayout open;

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

        getSupportActionBar().setTitle("API검색");
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setHomeAsUpIndicator(R.drawable.ic_menu);

        drawer= findViewById(R.id.drawer);
        open = findViewById(R.id.open_drawer);

        TabLayout tab = findViewById(R.id.tab);
        tab.addTab(tab.newTab().setText("지역"));
        tab.addTab(tab.newTab().setText("쇼핑"));
        tab.addTab(tab.newTab().setText("영화"));

        tab.getTabAt(0).setIcon(R.drawable.ic_local);
        tab.getTabAt(1).setIcon(R.drawable.ic_shop);
        tab.getTabAt(2).setIcon(R.drawable.ic_baseline_movie_24);

        PagerAdapter pagerAdapter = new pagerAdapter(getSupportFragmentManager());
        final ViewPager pager = findViewById(R.id.pager);
        pager.setAdapter(pagerAdapter);

        //viewpager를 드래그한경우
        pager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tab));

        tab.addOnTabSelectedListener(new TabLayout.BaseOnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
                pager.setCurrentItem(tab.getPosition());
            }

            @Override
            public void onTabUnselected(TabLayout.Tab tab) {

            }

            @Override
            public void onTabReselected(TabLayout.Tab tab) {

            }
        });
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        switch(item.getItemId()){
            case android.R.id.home:
                if(drawer.isDrawerOpen(open)){
                    drawer.closeDrawer(open);
                }else {
                    drawer.openDrawer(open);
                }
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    //어댑터 정의
    class pagerAdapter extends FragmentPagerAdapter{

        public pagerAdapter(@NonNull FragmentManager fm) {
            super(fm);
        }

        @NonNull
        @Override
        public Fragment getItem(int position) {
            switch(position){
                case 0:
                    return new LocalFragment();
                case 1:
                    return new ShopFragment();
                case 2:
                    return new MovieFragment();
                default:
                    return null;

            }
        }

        @Override
        public int getCount() {
            return 3;
        }
    }

}

1. 지역검색

LocalFragment

package com.example.ex10;

import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.material.floatingactionbutton.FloatingActionButton;

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


public class LocalFragment extends Fragment {

    String url ="https://dapi.kakao.com/v2/local/search/keyword.json?";
    String strQuery ="인천 버거킹";
    JSONArray array= new JSONArray();
    LocalAdapter localAdapter = new LocalAdapter();
    int page=1;
    boolean is_end=false;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view =inflater.inflate(R.layout.fragment_local, container, false);

        new LocalThread().execute();

        RecyclerView list = view.findViewById(R.id.list);
        list.setAdapter(localAdapter);
        list.setLayoutManager(new LinearLayoutManager(getActivity()));

        final EditText query = view.findViewById(R.id.query);
        query.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
            }
            @Override
            public void afterTextChanged(Editable s) {
                strQuery = query.getText().toString();
                array = new JSONArray();
                page=1;
                new LocalThread().execute();
            }
        });

        //더보기 버튼을 클릭한 경우
        FloatingActionButton more =view. findViewById(R.id.more);
        more.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(is_end){
                    Toast.makeText(getActivity(),"마지막 데이터입니다.",Toast.LENGTH_SHORT).show();
                }else{
                    page++;
                    new LocalThread().execute();
                }
            }
        });
        return view;
    }

    //로컬쓰레드
    class LocalThread extends AsyncTask<String, String, String> {

        @Override
        protected String doInBackground(String... strings) {
            return Kakao.connect(url+"query="+strQuery+"&page"+page);
        }

        @Override
        protected void onPostExecute(String s) {
            try {
                JSONArray newArray = new JSONObject(s).getJSONArray("documents");
                JSONObject meta = new JSONObject(s).getJSONObject("meta");
                is_end= meta.getBoolean("is_end");

                for(int i=0; i<newArray.length(); i++){
                    array.put(newArray.getJSONObject(i));
                }
                localAdapter.notifyDataSetChanged();
            } catch (JSONException e) {e.printStackTrace();  }
            super.onPostExecute(s);
        }
    }

    //어댑터
    class LocalAdapter extends RecyclerView.Adapter<LocalAdapter.ViewHolder>{

        @NonNull
        @Override
        public LocalAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
            View view = getActivity().getLayoutInflater().inflate(R.layout.item_local, parent, false);
            return new ViewHolder(view);
        }

        @Override
        public void onBindViewHolder(@NonNull LocalAdapter.ViewHolder holder, int position) {
            try {
                final JSONObject obj = array.getJSONObject(position);
                final String strName = obj.getString("place_name");
                String strAddress = obj.getString("address_name");
                final String strTel =obj.getString("phone");
                final String x = obj.getString("x");
                final String y = obj.getString("y");

                holder.name.setText(String.valueOf(position+1)+":"+strName);
                holder.address.setText(strAddress);
                holder.tel.setText(strTel);

                //전화번호를 클릭한 경우

                holder.tel.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Uri number = Uri.parse("tel" +strTel);
                        Intent intent = new Intent(Intent.ACTION_DIAL, number);
                        getActivity().startActivity(intent);
                    }
                });

                holder.address.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Intent intent = new Intent(getActivity(), MapsActivity.class);
                        intent.putExtra("x",x);//경도
                        intent.putExtra("y",y); //위도
                        intent.putExtra("name",strName);
                        getActivity().startActivity(intent);
                    }
                });
            } catch (JSONException e) {
                e.printStackTrace();
            }

        }

        @Override
        public int getItemCount() {
            return array.length();
        }

        public class ViewHolder extends RecyclerView.ViewHolder {
            TextView name, address, tel;
            public ViewHolder(@NonNull View itemView) {
                super(itemView);
                name = itemView.findViewById(R.id.name);
                address = itemView.findViewById(R.id.address);
                tel = itemView.findViewById(R.id.tel);
            }
        }
    }
}

MapsActivity

package com.example.ex10;

import androidx.fragment.app.FragmentActivity;

import android.content.Intent;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
    private GoogleMap mMap;
    Double x;
    Double y;
    String name;

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

        Intent intent = getIntent();
        x=Double.parseDouble(intent.getStringExtra("x"));
        y=Double.parseDouble(intent.getStringExtra("y"));
        name = intent.getStringExtra("name");
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;


        LatLng sydney = new LatLng(y, x);
        mMap.addMarker(new MarkerOptions().position(sydney).title(name));
        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
        mMap.moveCamera(CameraUpdateFactory.zoomTo(15));
    }
}

fragment_local

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

    <EditText
        android:id="@+id/query"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="검색어"
        android:padding="20sp"
        android:textSize="20sp"
        android:fontFamily="@font/ho"/>
    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/list"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@+id/query" />
    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/more"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:backgroundTint="#00539C"
        android:layout_alignParentBottom="true"
        android:layout_alignParentRight="true"
        android:layout_marginBottom="10sp"
        android:src="@drawable/ic_down"
        app:borderWidth="0sp"/>

</RelativeLayout>

item_local

<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_margin="10sp"
    app:cardCornerRadius="20sp"
    android:id="@+id/item">
         <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:background="#FFD662"
             android:padding="10sp">

        <TextView
            android:id="@+id/name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="여기에는 장소명을 출력"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"/>
        <TextView
            android:id="@+id/address"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="여기에는 주소를 출력"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"/>
        <TextView
            android:id="@+id/tel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="여기에는 전화번호를 출력"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"/>
    </LinearLayout>
</androidx.cardview.widget.CardView>

java테이블

버거킹을 검색했을때 결과가 나오는것을 볼수있다!.

2. 쇼핑검색

ShopActivity

package com.example.ex10;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.view.MenuItem;
import android.view.View;
import android.webkit.WebResourceRequest;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;

public class ShopActivity extends AppCompatActivity {

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

        Intent intent = getIntent();
        String title = intent.getStringExtra("title");
        getSupportActionBar().setTitle(Html.fromHtml(title));
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        String url = intent.getStringExtra("url");
        WebView web = findViewById(R.id.web);
        web.setWebViewClient(new MyWebView());
        WebSettings webSettings =web.getSettings();
        webSettings.setJavaScriptEnabled(true);
        web.loadUrl(url);
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        switch(item.getItemId()){
            case android.R.id.home:
                finish();
        }
        return super.onOptionsItemSelected(item);
    }

    class MyWebView extends WebViewClient{
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            return super.shouldOverrideUrlLoading(view, url);
        }

        @Override
        public void onPageFinished(WebView view, String url) {
            ProgressBar progressBar= findViewById(R.id.progress);
            progressBar.setVisibility(View.GONE);
            super.onPageFinished(view, url);
        }
    }
}

ShopFragment

package com.example.ex10;

import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.text.Editable;
import android.text.Html;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;

import com.squareup.picasso.Picasso;

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

import java.text.DecimalFormat;

public class ShopFragment extends Fragment {
    String url ="https://openapi.naver.com/v1/search/shop.json";
    String strQuery="노트북";
    JSONArray array = new JSONArray();
    ShopAdapter shopAdapter =new ShopAdapter();

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view =inflater.inflate(R.layout.fragment_local, container, false);

        new ShopThread().execute();

        RecyclerView list= view.findViewById(R.id.list);
        list.setAdapter(shopAdapter);
        list.setLayoutManager(new LinearLayoutManager(getActivity()));
        final EditText query = view.findViewById(R.id.query);
        query.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
            }
            @Override
            public void afterTextChanged(Editable s) {
                strQuery = query.getText().toString();
                array = new JSONArray();
                new ShopThread().execute();
            }
        });
        return view;
    }


    //쇼핑쓰레드
    class ShopThread extends AsyncTask<String, String, String>{
        @Override
        protected String doInBackground(String... strings) {
            return Naver.connect(url, strQuery);
        }

        @Override
        protected void onPostExecute(String s) {
            try {
                JSONArray newArray = new JSONObject(s).getJSONArray("items");
                for(int i=0; i<newArray.length(); i++){
                    array.put(newArray.getJSONObject(i));
                }
                shopAdapter.notifyDataSetChanged();

            } catch (JSONException e) {
                e.printStackTrace();
            }
            super.onPostExecute(s);
        }
    }

    //쇼핑 어댑터
    class ShopAdapter extends RecyclerView.Adapter<ShopAdapter.ViewHolder>{

        @NonNull
        @Override
        public ShopAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
            View view  =getActivity().getLayoutInflater().inflate(R.layout.item_shop, parent, false);
            return new ViewHolder(view);
        }

        @Override
        public void onBindViewHolder(@NonNull ShopAdapter.ViewHolder holder, int position) {

            try {
                JSONObject obj = array.getJSONObject(position);
                final String title = obj.getString("title");
                DecimalFormat df=new DecimalFormat("#,###원");
                String price = df.format(obj.getInt("lprice"));
                final String shop = obj.getString("mallName");
                final String image = obj.getString("image");
                final String link = obj.getString("link");

                holder.title.setText(String.valueOf(position+1)+":<b>"+ Html.fromHtml(title));
                holder.price.setText(price);
                holder.shop.setText(shop);
                Picasso.with(getActivity()).load(image).into(holder.image);

                holder.item.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Intent intent = new Intent(getActivity(), ShopActivity.class);
                        intent.putExtra("title",title);
                        intent.putExtra("title",title);
                        intent.putExtra("url",link);
                        getActivity().startActivity(intent);
                    }
                });
            } catch (JSONException e) {
                e.printStackTrace();
            }

        }

        @Override
        public int getItemCount() {
            return array.length();
        }

        public class ViewHolder extends RecyclerView.ViewHolder {
            CardView item;
            ImageView image;
            TextView title, price, shop;

            public ViewHolder(@NonNull View itemView) {
                super(itemView);
                image= itemView.findViewById(R.id.image);
                title = itemView.findViewById(R.id.title);
                price = itemView.findViewById(R.id.price);
                shop=itemView.findViewById(R.id.shop);
                item = itemView.findViewById(R.id.item);
            }
        }
    }


}

item_shop

<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_margin="10sp"
    app:cardCornerRadius="20sp"
    android:id="@+id/item">
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <ImageView
            android:id="@+id/image"
            android:layout_width="70sp"
            android:layout_height="60sp"
            android:src="@mipmap/ic_launcher"
            android:layout_marginRight="30sp" />
        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="상품명"
            android:layout_toRightOf="@id/image"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"
            />
        <TextView
            android:id="@+id/price"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="가격"
            android:layout_toRightOf="@id/image"
            android:layout_below="@id/title"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"/>
        <TextView
            android:id="@+id/shop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="판매처"
            android:layout_toRightOf="@id/image"
            android:layout_below="@id/price"
            android:src="@mipmap/ic_launcher"
            android:fontFamily="@font/kang"/>

    </RelativeLayout>
</androidx.cardview.widget.CardView>

쇼핑검색

쇼핑검색이잘된다.

3. 영화검색

MovieActivity

package com.example.ex10;

import androidx.fragment.app.FragmentActivity;

import android.content.Intent;
import android.os.Bundle;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
    private GoogleMap mMap;
    Double x;
    Double y;
    String name;

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

        Intent intent = getIntent();
        x=Double.parseDouble(intent.getStringExtra("x"));
        y=Double.parseDouble(intent.getStringExtra("y"));
        name = intent.getStringExtra("name");
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;


        LatLng sydney = new LatLng(y, x);
        mMap.addMarker(new MarkerOptions().position(sydney).title(name));
        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
        mMap.moveCamera(CameraUpdateFactory.zoomTo(15));
    }
}

MovieFragment

package com.example.ex10;

import android.app.AlertDialog;
import android.media.Image;
import android.os.AsyncTask;
import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.text.Editable;
import android.text.Html;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.RatingBar;
import android.widget.TextView;

import com.squareup.picasso.Picasso;

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


public class MovieFragment extends Fragment {
    String url ="https://openapi.naver.com/v1/search/movie.json";
    String strQuery="노트북";
    JSONArray array = new JSONArray();
    MovieAdapter movieAdapter=new MovieAdapter();

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view =inflater.inflate(R.layout.fragment_local, container, false);
        new MovieThread().execute();

        RecyclerView list= view.findViewById(R.id.list);
        list.setAdapter(movieAdapter);
        list.setLayoutManager(new LinearLayoutManager(getActivity()));

        //검색어입력
        final EditText query = view.findViewById(R.id.query);
        query.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {
                strQuery = query.getText().toString();
                array = new JSONArray();
                 new MovieThread().execute();
            }
        });
        return view;
    }

    //영화 쓰레드
    class MovieThread extends AsyncTask<String, String,String>{

        @Override
        protected String doInBackground(String... strings) {
            return Naver.connect(url, strQuery);
        }

        @Override
        protected void onPostExecute(String s) {
            try {
                JSONArray newArray = new JSONObject(s).getJSONArray("items");
                for(int i=0; i<newArray.length(); i++){
                    array.put(newArray.getJSONObject(i));
                }
                movieAdapter.notifyDataSetChanged();
            } catch (JSONException e) {
                e.printStackTrace();
            }
            super.onPostExecute(s);
        }
    }

    //영화어댑터
    class MovieAdapter extends RecyclerView.Adapter<MovieAdapter.ViewHolder>{

        @NonNull
        @Override
        public MovieAdapter.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
            View view = getActivity().getLayoutInflater().inflate(R.layout.item_movie,parent,false);
            return new ViewHolder(view);
        }

        @Override
        public void onBindViewHolder(@NonNull MovieAdapter.ViewHolder holder, int position) {
            try {
                final JSONObject obj=array.getJSONObject(position);
                final String title = obj.getString("title");
                final String actor = obj.getString("actor");
                final String director = obj.getString("director");
                final String image = obj.getString("image");
                holder.title.setText(String.valueOf(position+1)+ ":" + Html.fromHtml(title));
                holder.actor.setText(actor);
                holder.director.setText(director);

                if(image!=null && !image.equals(""))
                    Picasso.with(getActivity()).load(image).into(holder.image);

                holder.rating.setRating(Float.parseFloat(obj.getString("userRating")));

                holder.item.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        LinearLayout layout= (LinearLayout) getLayoutInflater().inflate(R.layout.layout_movie,null);
                        ImageView timage = layout.findViewById(R.id.image);
                        TextView tactor = layout.findViewById(R.id.actor);
                        TextView tdirector = layout.findViewById(R.id.director);

                        tactor.setText("배우 : "+actor);
                        tdirector.setText("감독 : "+director);
                        Picasso.with(getActivity()).load(image).into(timage);

                        AlertDialog.Builder box = new AlertDialog.Builder(getActivity());
                        box.setTitle(Html.fromHtml(title));
                        box.setView(layout);
                        box.setPositiveButton("닫기",null);
                        box.show();
                    }
                });

            } catch (JSONException e) {
                e.printStackTrace();
            }
        }

        @Override
        public int getItemCount() {
            return array.length();
        }

        public class ViewHolder extends RecyclerView.ViewHolder {
            ImageView image;
            TextView title,actor,director;
            CardView item;
            RatingBar rating;

            public ViewHolder(@NonNull View itemView) {
                super(itemView);
                image=itemView.findViewById(R.id.image);
                title=itemView.findViewById(R.id.title);
                actor=itemView.findViewById(R.id.actor);
                director=itemView.findViewById(R.id.director);
                item=itemView.findViewById(R.id.item);
                rating=itemView.findViewById(R.id.rating);
            }
        }
    }
}

item_movie

<?xml version="1.0" encoding="utf-8"?>
<androidx.cardview.widget.CardView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_margin="10sp"
    app:cardCornerRadius="20sp"
    android:id="@+id/item">
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <ImageView
            android:id="@+id/image"
            android:layout_width="70sp"
            android:layout_height="60sp"
            android:src="@mipmap/ic_launcher"
            android:layout_marginRight="30sp" />
        <TextView
            android:id="@+id/title"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="상품명"
            android:layout_toRightOf="@id/image"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"
            />
        <TextView
            android:id="@+id/actor"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="가격"
            android:layout_toRightOf="@id/image"
            android:layout_below="@id/title"
            android:lines="1"
            android:ellipsize="end"
            android:fontFamily="@font/kang"/>
        <TextView
            android:id="@+id/director"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="판매처"
            android:layout_toRightOf="@id/image"
            android:layout_below="@id/actor"
            android:src="@mipmap/ic_launcher"
            android:fontFamily="@font/kang"/>
        <RatingBar
            android:id="@+id/rating"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_below="@+id/director"
            android:layout_toRightOf="@id/image"
            style="?android:attr/ratingBarStyleSmall"
            android:progressTint="#FFD662"
            android:numStars="5"
            android:stepSize="0.01"
            android:layout_marginTop="5sp"/>

    </RelativeLayout>
</androidx.cardview.widget.CardView>

검색기능에 별점도 가져와서 보여주고, 눌럿을때 영화 이름과 사진 그리고 배우와 감독도 보여진다.

영화검색

영화정보

댓글남기기

참고

CSS - Grid

참고 : https://studiomeal.com/archives/533

CSS - Flex

Flex 레이아웃 배치 전용으로 나온것이 Flex 이다. 간혹 flex 만 가능한 UI 가 있고 Grid 보다 사용하는것이 간단해서 적재적소로 두개를 이용하는것이 가장 좋다.