Feature/setting

app/src/main/java/com/greener/HotelMap.java

@@ -1,7 +1,14 @@
 package com.greener;
 
 import android.Manifest;
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
 import android.content.pm.PackageManager;
+import android.location.Address;
+import android.location.Geocoder;
+import android.location.LocationManager;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -10,9 +17,12 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
 import com.google.firebase.database.DataSnapshot;
@@ -33,10 +43,20 @@
 import com.naver.maps.map.overlay.OverlayImage;
 import com.naver.maps.map.util.FusedLocationSource;
 
+import java.io.IOException;
+import java.util.List;
+import java.util.Locale;
+
+import static android.content.Context.LOCATION_SERVICE;
+
 public class HotelMap extends Fragment implements OnMapReadyCallback {
 
     private GPSTracker gpsTracker;
 
+    private static final int GPS_ENABLE_REQUEST_CODE = 2001;
+    private static final int PERMISSIONS_REQUEST_CODE = 100;
+    String[] REQUIRED_PERMISSIONS  = {Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION};
+
     private MapView mapView;
     private DatabaseReference databaseReference;
     private NaverMap naverMap;
@@ -47,11 +67,18 @@ public class HotelMap extends Fragment implements OnMapReadyCallback {
 
     private View view;
     private Button btn;
+    private Context mContext;
 
     @Override
     public void onCreate(Bundle savedInstanceState){
         super.onCreate(savedInstanceState);
         mLocationSource = new FusedLocationSource(this, 100);
+
+        mContext = getContext();
+
+        if (!checkLocationServicesStatus()) {
+            showDialogForLocationServiceSetting();
+        }else {  checkRunTimePermission();   }
     }
 
     @Nullable
@@ -100,6 +127,9 @@ public void onClick(View v) {
                 double latitude = gpsTracker.getLatitude();
                 double longitude = gpsTracker.getLongitude();
 
+                String addrStr = getCurrentAddress(latitude, longitude);
+                System.out.println("addrStr : " + addrStr);
+
                 CameraPosition cameraPosition = new CameraPosition(new LatLng(latitude, longitude), 13);
                 naverMap.setCameraPosition(cameraPosition);
             }
@@ -154,4 +184,141 @@ public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         menu.clear();
         inflater.inflate(R.menu.actionbar_map_action, menu);
     }
+
+    public String getCurrentAddress( double latitude, double longitude) {
+        Geocoder geocoder = new Geocoder(getContext(), Locale.getDefault());
+        List<Address> addresses;
+        try {
+            addresses = geocoder.getFromLocation(latitude, longitude, 7);
+        } catch (IOException ioException) {
+            Toast.makeText(getContext(), "지오코더 서비스 사용불가", Toast.LENGTH_LONG).show();
+            return "지오코더 서비스 사용불가";
+        } catch (IllegalArgumentException illegalArgumentException) {
+            Toast.makeText(getContext(), "잘못된 GPS 좌표", Toast.LENGTH_LONG).show();
+            return "잘못된 GPS 좌표";
+
+        }
+        if (addresses == null || addresses.size() == 0) {
+            Toast.makeText(getContext(), "주소 미발견", Toast.LENGTH_LONG).show();
+            return "주소 미발견";
+
+        }
+
+        Address address = addresses.get(0);
+        return address.getAddressLine(0).toString()+"\n";
+
+    }
+
+    @Override
+    public void onRequestPermissionsResult(int permsRequestCode, @NonNull String[] permissions, @NonNull int[] grandResults) {
+
+        if ( permsRequestCode == PERMISSIONS_REQUEST_CODE && grandResults.length == REQUIRED_PERMISSIONS.length) {
+
+            boolean check_result = true;
+
+            for (int result : grandResults) {
+                if (result != PackageManager.PERMISSION_GRANTED) {
+                    check_result = false;
+                    break;
+                }
+            }
+
+            if ( check_result ) {    }
+            else {
+
+                if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), REQUIRED_PERMISSIONS[0])
+                        || ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), REQUIRED_PERMISSIONS[1])) {
+
+                    Toast.makeText(getContext(), "퍼미션이 거부되었습니다. 앱을 다시 실행하여 퍼미션을 허용해주세요.", Toast.LENGTH_LONG).show();
+
+
+
+                }else {
+
+                    Toast.makeText(getContext(), "퍼미션이 거부되었습니다. 설정(앱 정보)에서 퍼미션을 허용해야 합니다. ", Toast.LENGTH_LONG).show();
+
+                }
+            }
+
+        }
+    }
+
+    void checkRunTimePermission(){
+        int hasFineLocationPermission = ContextCompat.checkSelfPermission(getContext(),
+                Manifest.permission.ACCESS_FINE_LOCATION);
+        int hasCoarseLocationPermission = ContextCompat.checkSelfPermission(getContext(),
+                Manifest.permission.ACCESS_COARSE_LOCATION);
+
+
+        if (hasFineLocationPermission == PackageManager.PERMISSION_GRANTED &&
+                hasCoarseLocationPermission == PackageManager.PERMISSION_GRANTED) {
+
+        } else {
+            if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(), REQUIRED_PERMISSIONS[0])) {
+
+                Toast.makeText(getContext(), "이 앱을 실행하려면 위치 접근 권한이 필요합니다.", Toast.LENGTH_LONG).show();
+                ActivityCompat.requestPermissions(getActivity(), REQUIRED_PERMISSIONS,
+                        PERMISSIONS_REQUEST_CODE);
+
+            } else {
+                ActivityCompat.requestPermissions(getActivity(), REQUIRED_PERMISSIONS,
+                        PERMISSIONS_REQUEST_CODE);
+            }
+
+        }
+
+    }
+
+    private void showDialogForLocationServiceSetting() {
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+        builder.setTitle("위치 서비스 비활성화");
+        builder.setMessage("앱을 사용하기 위해서는 위치 서비스가 필요합니다.\n"
+                + "위치 설정을 수정하실래요?");
+        builder.setCancelable(true);
+        builder.setPositiveButton("설정", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                Intent callGPSSettingIntent
+                        = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
+                startActivityForResult(callGPSSettingIntent, GPS_ENABLE_REQUEST_CODE);
+            }
+        });
+        builder.setNegativeButton("취소", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                dialog.cancel();
+            }
+        });
+        builder.create().show();
+    }
+
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        switch (requestCode) {
+
+            case GPS_ENABLE_REQUEST_CODE:
+
+                //사용자가 GPS 활성 시켰는지 검사
+                if (checkLocationServicesStatus()) {
+                    if (checkLocationServicesStatus()) {
+                        checkRunTimePermission();
+                        return;
+                    }
+                }
+
+                break;
+        }
+    }
+
+    public boolean checkLocationServicesStatus() {
+        LocationManager locationManager;
+        locationManager = (LocationManager)mContext.getSystemService(LOCATION_SERVICE);
+
+        return locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)
+                || locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
+    }
 }