5195: Fix crash on setting location for pictures with no EXIF location (#5205)

* LocationPickerActivity: fix crash on setting location for pictures with no EXIF location

* strings.xml: remove extra string introduced

* optimise constants

* LocationPickerActivity: request for permission only on tapping target icon

* remove newline

* handle location permissions using LocationPermissionsHelper

app/src/main/java/fr/free/nrw/commons/LocationPicker/LocationPickerActivity.java

@@ -57,6 +57,10 @@ import fr.free.nrw.commons.MapStyle;
 import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.Utils;
 import fr.free.nrw.commons.kvstore.JsonKvStore;
+import fr.free.nrw.commons.location.LocationPermissionsHelper;
+import fr.free.nrw.commons.location.LocationPermissionsHelper.Dialog;
+import fr.free.nrw.commons.location.LocationPermissionsHelper.LocationPermissionCallback;
+import fr.free.nrw.commons.location.LocationServiceManager;
 import fr.free.nrw.commons.theme.BaseActivity;
 import fr.free.nrw.commons.utils.SystemThemeUtils;
 import javax.inject.Inject;
@@ -148,6 +152,9 @@ public class LocationPickerActivity extends BaseActivity implements OnMapReadyCa
     SystemThemeUtils systemThemeUtils;
     private boolean isDarkTheme;
 
+    @Inject
+    LocationServiceManager locationManager;
+
     @Override
     protected void onCreate(@Nullable final Bundle savedInstanceState) {
         getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
@@ -452,11 +459,40 @@ public class LocationPickerActivity extends BaseActivity implements OnMapReadyCa
         fabCenterOnLocation = findViewById(R.id.center_on_gps);
         fabCenterOnLocation.setOnClickListener(view -> getCenter());
     }
+
     /**
-     * Animate map to move to desired Latitude and Longitude
+     * Center the map at user's current location
      */
-    void getCenter() {
-        mapboxMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(location.getLatitude(),location.getLongitude()),15.0));
+    private void getCenter() {
+        LocationPermissionsHelper.Dialog locationAccessDialog = new Dialog(
+            R.string.location_permission_title,
+            R.string.upload_map_location_access
+        );
+
+        LocationPermissionsHelper.Dialog locationOffDialog = new Dialog(
+            R.string.ask_to_turn_location_on,
+            R.string.upload_map_location_access
+        );
+        LocationPermissionsHelper locationPermissionsHelper = new LocationPermissionsHelper(
+            this, locationManager, new LocationPermissionCallback() {
+            @Override
+            public void onLocationPermissionDenied(String toastMessage) {
+                // Do nothing
+            }
+
+            @Override
+            public void onLocationPermissionGranted() {
+                fr.free.nrw.commons.location.LatLng currLocation = locationManager.getLastLocation();
+                final CameraPosition position;
+                position = new CameraPosition.Builder()
+                    .target(new com.mapbox.mapboxsdk.geometry.LatLng(currLocation.getLatitude(), currLocation.getLongitude(), 0)) // Sets the new camera position
+                    .zoom(mapboxMap.getCameraPosition().zoom) // Same zoom level
+                    .build();
+
+                mapboxMap.animateCamera(CameraUpdateFactory.newCameraPosition(position), 1000);
+            }
+        });
+        locationPermissionsHelper.handleLocationPermissions(locationAccessDialog, locationOffDialog);
     }
 
     @Override

app/src/main/java/fr/free/nrw/commons/contributions/ContributionController.java

@@ -90,7 +90,12 @@ public class ContributionController {
             activity, locationManager,
             new LocationPermissionCallback() {
                 @Override
-                public void onLocationPermissionDenied() {
+                public void onLocationPermissionDenied(String toastMessage) {
+                    Toast.makeText(
+                        activity,
+                        toastMessage,
+                        Toast.LENGTH_LONG
+                    ).show();
                     initiateCameraUpload(activity);
                 }
 

app/src/main/java/fr/free/nrw/commons/location/LocationPermissionsHelper.java

@@ -68,12 +68,8 @@ public class LocationPermissionsHelper {
             },
             () -> {
                 if (callback != null) {
-                    Toast.makeText(
-                        activity,
-                        R.string.in_app_camera_location_permission_denied,
-                        Toast.LENGTH_LONG
-                    ).show();
-                    callback.onLocationPermissionDenied();
+                    callback.onLocationPermissionDenied(activity.getString(
+                        R.string.in_app_camera_location_permission_denied));
                 }
             },
             locationAccessDialog.dialogTitleResource,
@@ -102,14 +98,8 @@ public class LocationPermissionsHelper {
                 activity.getString(R.string.title_app_shortcut_setting),
                 activity.getString(R.string.cancel),
                 () -> openLocationSettings(),
-                () -> {
-                    Toast.makeText(
-                        activity,
-                        R.string.in_app_camera_location_unavailable,
-                        Toast.LENGTH_LONG
-                    ).show();
-                    callback.onLocationPermissionDenied();
-                });
+                () -> callback.onLocationPermissionDenied(activity.getString(
+                    R.string.in_app_camera_location_unavailable)));
     }
 
     /**
@@ -131,7 +121,7 @@ public class LocationPermissionsHelper {
      * Handle onPermissionDenied within individual classes based on the requirements
      */
     public interface LocationPermissionCallback {
-        void onLocationPermissionDenied();
+        void onLocationPermissionDenied(String toastMessage);
         void onLocationPermissionGranted();
     }
 }

app/src/main/java/fr/free/nrw/commons/settings/SettingsFragment.java

@@ -218,7 +218,7 @@ public class SettingsFragment extends PreferenceFragmentCompat {
         LocationPermissionsHelper locationPermissionsHelper = new LocationPermissionsHelper(
             activity, locationManager, new LocationPermissionCallback() {
             @Override
-            public void onLocationPermissionDenied() {
+            public void onLocationPermissionDenied(String toastMessage) {
                 // dismiss the dialog
             }
 

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

@@ -280,6 +280,7 @@
   <string name="copy_wikicode">Copy the wikitext to the clipboard</string>
   <string name="wikicode_copied">The wikitext was copied to the clipboard</string>
   <string name="nearby_location_not_available">Nearby might not work properly, Location not available.</string>
+  <string name="upload_location_access_denied">Location access denied. Please set your location manually to use this feature.</string>
   <string name="location_permission_rationale_nearby">Permission required to display a list of nearby places</string>
 
   <string name="nearby_directions">Directions</string>
@@ -621,6 +622,7 @@ Upload your first media by tapping on the add button.</string>
   <string name="recommend_high_accuracy_mode">For best results, choose the High Accuracy mode.</string>
   <string name="ask_to_turn_location_on">Turn on location?</string>
   <string name="nearby_needs_location">Nearby needs location enabled to work properly</string>
+  <string name="upload_map_location_access">You need to give access to your current location to set location automatically.</string>
   <string name="use_location_from_similar_image">Did you shoot these two pictures at the same place? Do you want to use the latitude/longitude of the picture on the right?</string>
   <string name="load_more">Load More</string>
   <string name="nearby_no_results">No places found, try changing your search criteria.</string>