ft: AlertDialog for Position permission

app/src/main/java/fr/imt_atlantique/myfirstapplication/MapsFragment.java

@@ -3,12 +3,19 @@ package fr.imt_atlantique.myfirstapplication;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
+import android.Manifest;
+import android.app.AlertDialog;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
 import com.google.android.gms.maps.CameraUpdateFactory;
 import com.google.android.gms.maps.GoogleMap;
@@ -42,15 +49,34 @@ public class MapsFragment extends Fragment {
          */
         @Override
         public void onMapReady(GoogleMap googleMap) {
-            LatLng sydney = new LatLng(-34, 151);
-            googleMap.addMarker(new MarkerOptions().position(sydney).title("Marker in Sydney"));
-            googleMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
-            googleMap.getUiSettings().setZoomGesturesEnabled(true);
-            googleMap.getUiSettings().setCompassEnabled(true);
-            googleMap.getUiSettings().setMyLocationButtonEnabled(true);
+            // We check for the application "Call permission"
+            if (ContextCompat.checkSelfPermission(requireContext(),
+                    Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
+                grantPermissionAlertDialog();
+                return;
+            }
+            try {
+                googleMap.setMyLocationEnabled(true);
+                googleMap.getUiSettings().setZoomGesturesEnabled(true);
+                googleMap.getUiSettings().setCompassEnabled(true);
+                googleMap.getUiSettings().setMyLocationButtonEnabled(true);
+            } catch (SecurityException e) {
+                Log.e("MapsFragment", "Error while enabling location", e);
+            }
         }
     };
 
+    private void grantPermissionAlertDialog() {
+        new AlertDialog.Builder(requireContext())
+                .setTitle(getString(R.string.position_permission_title))
+                .setMessage(getString(R.string.position_permission_message))
+                .setNegativeButton(getString(R.string.cancel), (dialog, which) -> Toast.makeText(requireContext(), getString(R.string.permission_denied), Toast.LENGTH_SHORT)
+                        .show())
+                .setPositiveButton("Ok", (dialog, which) -> ActivityCompat.requestPermissions(requireActivity(), new String[]{Manifest.permission.CALL_PHONE}, 3))
+                .create()
+                .show();
+    }
+
     @Nullable
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater,

app/src/main/res/values-FR/strings.xml

@@ -24,6 +24,8 @@
     <string name="call_attempt_error">Une erreur est survenue lors de la tentative d\'appel : </string>
     <string name="call_permission_title">Permission d\'appel requise</string>
     <string name="call_permission_message">Cette application nécessite la permission d\'appel pour pouvoir effectuer un appel téléphonique</string>
+    <string name="position_permission_title">Permission de récupération de la position requise</string>
+    <string name="position_permission_message">Cette application nécessite la permission de récupération de la position requise pour pouvoir afficher votre position</string>
     <string name="enter_birth_city">Veuillez entrer une ville de naissance</string>
     <string name="no_browser_found">Aucun navigateur trouvé pour ouvrir Wikipédia</string>
     <string name="share_city">Partager la ville</string>

app/src/main/res/values/strings.xml

@@ -24,6 +24,8 @@
     <string name="call_attempt_error">An error occurred during the call attempt: </string>
     <string name="call_permission_title">Call Permission Required</string>
     <string name="call_permission_message">This App needs Call permission in order to be able to handle calling a phone number</string>
+    <string name="position_permission_title">Current position Permission Required</string>
+    <string name="position_permission_message">This App needs Current position permission in order to be able to show your position currently</string>
     <string name="enter_birth_city">Please enter a birth city first</string>
     <string name="no_browser_found">No browser found to open Wikipedia</string>
     <string name="share_city">Share city</string>