[Android] 블로그 이전 - Naver Map API 사용해보기 (2) Geocoding

 

2022 - 2023년도에 사용하던 블로그 내용을 이전해 온 기록입니다.

해당 블로그는 링크로 첨부하였으며

글 내용은 동일합니다.

---

 

지난 게시글에서 Naver Map API를 사용해서 지도를 가져오고, 권한을 요청하고, 현재위치를 나타내는 것까지 실행해보았다.

이번 글에서는 Geocoding을 이용해 주소를 위도, 경도로 바꾸고 해당 위치에 마커를 찍어보기로 한다.

 

+) 이전 게시글 참고 (NaverMap API 사용해보기)

https://baehj.tistory.com/105

[Android] Naver Map API 사용해보기 (1)

 

 

 

MainActivity.java

public class MainActivity extends AppCompatActivity implements OnMapReadyCallback {
    private NaverMap naverMap;
    private FusedLocationSource locationSource;
    private static final int LOCATION_PERMISSION_REQUEST_CODE = 1000;

    private static final String[] PERMISSIONS = {
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.ACCESS_COARSE_LOCATION
    };

    // 지오코딩
	private static final String REVERSE_GEOCODING_URL = "";
    private static final String CLIENT_ID = "";
    private static final String CLIENT_SECRET = "";

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

        StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
                .permitDiskReads()
                .permitDiskWrites()
                .permitNetwork().build());

        FragmentManager fragmentManager = getSupportFragmentManager();
        MapFragment mapFragment = (MapFragment)fragmentManager.findFragmentById(R.id.mapFragment);
        if (mapFragment == null) {
            fragmentManager.beginTransaction().add(R.id.mapFragment, mapFragment).commit();
        }
        mapFragment.getMapAsync(this);
        locationSource = new FusedLocationSource(this, LOCATION_PERMISSION_REQUEST_CODE);
    }

    @Override
    public void onMapReady(@NonNull NaverMap naverMap) {
        this.naverMap = naverMap;

        // 현재위치
        naverMap.setLocationSource(locationSource);
        // 권한확인
        ActivityCompat.requestPermissions(this, PERMISSIONS, LOCATION_PERMISSION_REQUEST_CODE);

        getDBStoreAddr();
//        Geocoding();
        // 마커표시
//        Marker marker = new Marker();
//        marker.setPosition(new LatLng(37.4967449, 127.030570));
//        marker.setPosition(new LatLng(indexFirst, inderLast));
//        marker.setMap(naverMap);

    }

    // 권한확인
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        if (locationSource.onRequestPermissionsResult(requestCode, permissions, grantResults)) {
            if (!locationSource.isActivated()) {
                naverMap.setLocationTrackingMode(LocationTrackingMode.None);
                return;
            }
            else {
                naverMap.setLocationTrackingMode(LocationTrackingMode.Follow);
            }
        }
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
    }

    public void getDBStoreAddr() {
        Response.Listener<String> responseListener = new Response.Listener<String>() {
            @Override
            public void onResponse(String response) {
                try {
                    JSONObject jsonObject = new JSONObject(response);
                    Log.d("addr", String.valueOf(jsonObject));

                    boolean success = jsonObject.getBoolean("success");
                    if (success) {
                        int length = jsonObject.length();
                        for (int i = 0; i <= length; i++) {
                            String addr = jsonObject.getString(String.valueOf(i));
                            Log.d("addr", String.valueOf(jsonObject.length()));
                            Log.d("addr", addr);

                            Geocoding(addr);
                        }
                    } else {
                        Toast.makeText(getApplicationContext(), "인터넷 연결을 확인해주세요", Toast.LENGTH_SHORT).show();
                        return;
                    }
            } catch (JSONException e) {
                    e.printStackTrace();
                    Toast.makeText(getApplicationContext(), "인터넷 연결을 확인해주세요.", Toast.LENGTH_SHORT).show();
                    return;
                } catch (Exception e) {
                    e.printStackTrace();
                    Toast.makeText(getApplicationContext(), "인터넷 연결을 확인해주세요.", Toast.LENGTH_SHORT).show();
                    return;
                }
            }
        };

        int num = 0;
        MarkerRequest markerRequest = new MarkerRequest(num, responseListener);
        RequestQueue queue = Volley.newRequestQueue(MainActivity.this);
        queue.add(markerRequest);
    }

    public void Geocoding(String addrInfo) {
        try {
            BufferedReader bufferedReader;
            StringBuilder stringBuilder = new StringBuilder();
//            addr = "경기도 하남시 덕풍서로 65";
//            String query = GEOCODING_URL + "?query=" + URLEncoder.encode(addr, "UTF-8");
            String query = GEOCODING_URL + "?query=" + URLEncoder.encode(addrInfo, "UTF-8") + "&X-NCP-APIGW-API-KEY-ID=" + CLIENT_ID + "&X-NCP-APIGW-API-KEY=" + CLIENT_SECRET;
            Log.d("ck", "query : " + query);
            URL url = new URL(query);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            if (conn != null) {
                conn.setConnectTimeout(5000);
                conn.setReadTimeout(5000);
                // 전송방식
                conn.setRequestMethod("GET");
//                conn.setRequestProperty("X-NCP-APIGW-API-KEY_ID", CLIENT_ID);
//                conn.setRequestProperty("X-NCP-APIGW-API-KEY", CLIENT_SECRET);
                // 데이터를 읽어오기로 설정
                conn.setDoInput(true);

                int responseCode = conn.getResponseCode();

                if (responseCode == 200) {
                    bufferedReader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                } else {
                    bufferedReader = new BufferedReader(new InputStreamReader(conn.getErrorStream()));
                }

                String line = null;
                while ((line = bufferedReader.readLine()) != null) {
                    stringBuilder.append(line + "\n");
                }

                int indexFirst;
                int indexLast;

                indexFirst = stringBuilder.indexOf("\"x\":\"");
                indexLast = stringBuilder.indexOf("\",\"y\":");
                Double x = Double.valueOf(stringBuilder.substring(indexFirst + 5, indexLast));
                Log.d("ck", "x : " + x);

                indexFirst = stringBuilder.indexOf("\"y\":\"");
                indexLast = stringBuilder.indexOf("\",\"distance\":");
                Double y = Double.valueOf(stringBuilder.substring(indexFirst + 5, indexLast));
                Log.d("ck", "y : " + y);

                Marker marker = new Marker();
//        marker.setPosition(new LatLng(37.4967449, 127.030570));
                marker.setPosition(new LatLng(y, x));
                marker.setMap(naverMap);

                bufferedReader.close();
                conn.disconnect();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

 

 

---

 

https://baehj.tistory.com/106