Add codes from mapbox demo repository to test support fragment, map works in a single layer fragment

app/src/main/AndroidManifest.xml

@@ -143,7 +143,7 @@
             android:label="@string/title_activity_nearby_test_activity" />
 
         <activity
-            android:name=".nearby.NearbyTestFragment"
+            android:name=".nearby.NearbyTestFragmentActivity"
             android:label="@string/title_activity_nearby_test_fragment" />
 
 

app/src/main/java/fr/free/nrw/commons/di/ActivityBuilderModule.java

@@ -15,7 +15,7 @@ import fr.free.nrw.commons.explore.SearchActivity;
 
 import fr.free.nrw.commons.explore.categories.ExploreActivity;
 import fr.free.nrw.commons.nearby.NearbyTestActivity;
-import fr.free.nrw.commons.nearby.NearbyTestFragment;
+import fr.free.nrw.commons.nearby.NearbyTestFragmentActivity;
 import fr.free.nrw.commons.notification.NotificationActivity;
 import fr.free.nrw.commons.review.ReviewActivity;
 import fr.free.nrw.commons.settings.SettingsActivity;
@@ -74,5 +74,5 @@ public abstract class ActivityBuilderModule {
     abstract NearbyTestActivity bindNearbyTestActivity();
 
     @ContributesAndroidInjector
-    abstract NearbyTestFragment bindNearbyTestFragment();
+    abstract NearbyTestFragmentActivity bindNearbyTestFragment();
 }

app/src/main/java/fr/free/nrw/commons/nearby/NearbyTestActivity.java

@@ -42,7 +42,7 @@ public class NearbyTestActivity extends AppCompatActivity {
                 mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
                     @Override
                     public void onStyleLoaded(@NonNull Style style) {
-                        Log.d("NearbyTestActivity","onStyleLoaded");
+                        Log.d("NearbyTests","Map inside activity is ready, works");
                         // Map is set up and the style has loaded. Now you can add data or make other map adjustments.
                     }
                 });

app/src/main/java/fr/free/nrw/commons/nearby/NearbyTestFragment.java

@@ -1,6 +0,0 @@
-package fr.free.nrw.commons.nearby;
-
-import fr.free.nrw.commons.theme.NavigationBaseActivity;
-
-public class NearbyTestFragment extends NavigationBaseActivity {
-}

app/src/main/java/fr/free/nrw/commons/nearby/NearbyTestFragmentActivity.java

@@ -0,0 +1,71 @@
+package fr.free.nrw.commons.nearby;
+
+import android.os.Bundle;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.mapbox.mapboxsdk.Mapbox;
+import com.mapbox.mapboxsdk.camera.CameraPosition;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.MapboxMapOptions;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.maps.Style;
+import com.mapbox.mapboxsdk.maps.SupportMapFragment;
+
+import fr.free.nrw.commons.R;
+import fr.free.nrw.commons.theme.NavigationBaseActivity;
+
+public class NearbyTestFragmentActivity extends NavigationBaseActivity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_nearby_test_fragment);
+
+        // Mapbox access token is configured here. This needs to be called either in your application
+        // object or in the same activity which contains the mapview.
+        Mapbox.getInstance(this, getString(R.string.mapbox_commons_app_token));
+
+        // Create supportMapFragment
+        SupportMapFragment mapFragment;
+        if (savedInstanceState == null) {
+
+            // Create fragment
+            final FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+
+            // Build mapboxMap
+            MapboxMapOptions options = MapboxMapOptions.createFromAttributes(this, null);
+            options.camera(new CameraPosition.Builder()
+                    .target(new LatLng(-52.6885, -70.1395))
+                    .zoom(9)
+                    .build());
+
+            // Create map fragment
+            mapFragment = SupportMapFragment.newInstance(options);
+
+            // Add map fragment to parent container
+            transaction.add(R.id.container, mapFragment, "com.mapbox.map");
+            transaction.commit();
+        } else {
+            mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentByTag("com.mapbox.map");
+        }
+
+        mapFragment.getMapAsync(new OnMapReadyCallback() {
+            @Override
+            public void onMapReady(@NonNull MapboxMap mapboxMap) {
+
+                mapboxMap.setStyle(Style.SATELLITE, new Style.OnStyleLoaded() {
+                    @Override
+                    public void onStyleLoaded(@NonNull Style style) {
+                        Log.d("NearbyTests","Map inside support fragment is ready, works");
+                        // Map is set up and the style has loaded. Now you can add data or make other map adjustments
+
+
+                    }
+                });
+            }
+        });
+    }
+}

app/src/main/java/fr/free/nrw/commons/theme/NavigationBaseActivity.java

@@ -18,7 +18,6 @@ import androidx.appcompat.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -40,8 +39,7 @@ import fr.free.nrw.commons.explore.categories.ExploreActivity;
 import fr.free.nrw.commons.kvstore.JsonKvStore;
 import fr.free.nrw.commons.logging.CommonsLogSender;
 import fr.free.nrw.commons.nearby.NearbyTestActivity;
-import fr.free.nrw.commons.nearby.NearbyTestFragment;
+import fr.free.nrw.commons.nearby.NearbyTestFragmentActivity;
-import fr.free.nrw.commons.notification.NotificationActivity;
 import fr.free.nrw.commons.review.ReviewActivity;
 import fr.free.nrw.commons.settings.SettingsActivity;
 import timber.log.Timber;
@@ -187,7 +185,7 @@ public abstract class NavigationBaseActivity extends BaseActivity
                 return true;
             case R.id.action_nearby_test_fragment:
                 drawerLayout.closeDrawer(navigationView);
-                startActivityWithFlags(this, NearbyTestFragment.class, Intent.FLAG_ACTIVITY_REORDER_TO_FRONT,
+                startActivityWithFlags(this, NearbyTestFragmentActivity.class, Intent.FLAG_ACTIVITY_REORDER_TO_FRONT,
                         Intent.FLAG_ACTIVITY_SINGLE_TOP);
                 return true;
             case R.id.action_feedback:

app/src/main/res/layout/activity_nearby_test_fragment.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/fragment_below_textview"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:gravity="center_horizontal" />
+
+    <androidx.cardview.widget.CardView
+        android:id="@+id/cardview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@id/fragment_below_textview"
+        android:layout_marginBottom="8dp"
+        android:layout_marginEnd="8dp"
+        android:layout_marginLeft="8dp"
+        android:layout_marginRight="8dp"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        app:cardCornerRadius="2dp"
+        app:cardElevation="@dimen/cardview_default_elevation">
+
+        <FrameLayout
+            android:id="@+id/container"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"/>
+    </androidx.cardview.widget.CardView>
+
+
+</RelativeLayout>