Basic functional settings screen

app/src/main/java/eu/konggdev/strikemaps/MainActivity.java

@@ -32,8 +32,7 @@ public class MainActivity extends AppCompatActivity {
 
     @Override
     public void onBackPressed() {
-        if (!app.getUi().back()) {
+        if (!app.getUi().back())
-            super.onBackPressed(); // exits app
+            super.onBackPressed();
-        }
     }
 }

app/src/main/java/eu/konggdev/strikemaps/app/AppController.java

@@ -34,6 +34,8 @@ public class AppController {
     }
     public AppCompatActivity getActivity() { return appActivity; }
     public void init() {
+        if (getActivity().getSupportActionBar() != null)
+            getActivity().getSupportActionBar().show();
         if(map == null) map = new MapComponent(this);
         if(ui == null) {
             ui = new UIComponent(this, map);

app/src/main/java/eu/konggdev/strikemaps/data/helper/UserPrefsHelper.java

@@ -13,17 +13,24 @@ public final class UserPrefsHelper {
 
     //Defaults
     private static final String DEFAULT_MAP_STYLE = "bundled/style/classic.style.json";
-    private static final String DEFAULT_MAP_RENDERER = "mapLibre";
+    private static final Integer DEFAULT_MAP_RENDERER = 1;
     private static final boolean DEFAULT_PERSIST_LOCATION_ENABLED = true;
     private static final boolean DEFAULT_LAST_LOCATION_ENABLED = false;
 
-
     public static String startupMapStyle(SharedPreferences prefs) {
         return prefs.getString(KEY_STARTUP_MAP_STYLE, DEFAULT_MAP_STYLE);
     }
 
-    public static String mapRenderer(SharedPreferences prefs) {
+    public static boolean startupMapStyle(SharedPreferences prefs, String updated) {
-        return prefs.getString(KEY_MAP_RENDERER, DEFAULT_MAP_RENDERER);
+        return prefs.edit().putString(KEY_STARTUP_MAP_STYLE, updated).commit();
+    }
+
+    public static Integer mapRenderer(SharedPreferences prefs) {
+        return prefs.getInt(KEY_MAP_RENDERER, DEFAULT_MAP_RENDERER);
+    }
+
+    public static boolean mapRenderer(SharedPreferences prefs, Integer updated) {
+        return prefs.edit().putInt(KEY_MAP_RENDERER, updated).commit();
     }
 
     public static boolean persistLocationEnabled(SharedPreferences prefs) {

app/src/main/java/eu/konggdev/strikemaps/map/MapComponent.java

@@ -1,7 +1,11 @@
 package eu.konggdev.strikemaps.map;
 
 import java.util.*;
+
+import android.widget.Toast;
+import android.widget.Toolbar;
 import eu.konggdev.strikemaps.Component;
+import eu.konggdev.strikemaps.map.renderer.implementation.MapLibreGLJSRenderer;
 import eu.konggdev.strikemaps.ui.factory.AlertDialogFactory;
 import eu.konggdev.strikemaps.data.helper.UserPrefsHelper;
 import eu.konggdev.strikemaps.map.renderer.implementation.VtmRenderer;
@@ -24,11 +28,17 @@ public class MapComponent implements Component  {
     public MapComponent(AppController ref) {
         this.app = ref;
         switch(UserPrefsHelper.mapRenderer(app.getPrefs())) {
-            case "vtm":
+            case 1:
+                this.mapRenderer = new MapLibreNativeRenderer(app, this);
+                break;
+            case 2:
+                this.mapRenderer = new MapLibreGLJSRenderer(app, this);
+                break;
+            case 3:
                 this.mapRenderer = new VtmRenderer(app, this);
                 break;
-            case "mapLibre":
+           default: //This shouldn't happen
-            default: //This shouldn't happen
+                Toast.makeText(app.getActivity(), "Invalid renderer value in preferences\nFalling back to MapLibre Native", Toast.LENGTH_SHORT).show();
                 this.mapRenderer = new MapLibreNativeRenderer(app, this);
                 break;
         };

app/src/main/java/eu/konggdev/strikemaps/map/renderer/implementation/MapLibreGLJSRenderer.java

@@ -0,0 +1,31 @@
+package eu.konggdev.strikemaps.map.renderer.implementation;
+
+import android.view.View;
+import eu.konggdev.strikemaps.app.AppController;
+import eu.konggdev.strikemaps.map.MapComponent;
+import eu.konggdev.strikemaps.map.renderer.MapRenderer;
+import org.maplibre.android.geometry.LatLng;
+import org.maplibre.geojson.Feature;
+
+import java.util.Collections;
+import java.util.List;
+
+//Stub for now
+public class MapLibreGLJSRenderer implements MapRenderer {
+    @Override
+    public void reload() {
+
+    }
+
+    @Override
+    public View getView() {
+        return null;
+    }
+
+    @Override
+    public List<Feature> featuresAtPoint(LatLng point) {
+        return Collections.emptyList();
+    }
+
+    public MapLibreGLJSRenderer(AppController app, MapComponent controller) { }
+}

app/src/main/java/eu/konggdev/strikemaps/ui/UIComponent.java

@@ -42,17 +42,15 @@ public class UIComponent implements Component {
                                 R.id.mainContentView, new MainContentRegion(map.toFragment(), R.id.mainContentView),
                                 R.id.bottomUi, new UIRegion(new FragmentLayoutControls(app, R.id.bottomUi), R.id.bottomUi),
                                 R.id.topUi, new UIRegion(new FragmentLayoutSearch(app, R.id.topUi), R.id.topUi)
-                        ), //TODO: Probably stop referencing layout 3(!) times everytime
+                        ) //TODO: Probably stop referencing layout 3(!) times everytime
-                        null
                 ),
                 //Settings screen
                 DefinedScreen.SETTINGS, new Screen(
                         app,
                         //Just the settings content fragment
                         Map.of(
-                                R.id.mainContentView, new MainContentRegion(new FragmentLayoutContentSettings(), R.id.mainContentView)
+                                R.id.mainContentView, new MainContentRegion(new FragmentLayoutContentSettings(app), R.id.mainContentView)
-                        ),
+                        )
-                        new Toolbar(app.getActivity())
                 )
         );
     }

app/src/main/java/eu/konggdev/strikemaps/ui/fragment/layout/content/main/FragmentLayoutContentSettings.java

@@ -1,20 +1,58 @@
 package eu.konggdev.strikemaps.ui.fragment.layout.content.main;
 
+import android.app.ActionBar;
 import android.os.Bundle;
 import android.view.View;
-import android.widget.LinearLayout;
+import android.widget.AdapterView;
+import android.widget.Spinner;
+import android.widget.ArrayAdapter;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.widget.Toolbar;
 import androidx.fragment.app.Fragment;
+import com.google.android.material.appbar.MaterialToolbar;
 import eu.konggdev.strikemaps.R;
+import eu.konggdev.strikemaps.data.helper.UserPrefsHelper;
+import eu.konggdev.strikemaps.app.AppController;
+
+import java.util.Arrays;
+
 
 public class FragmentLayoutContentSettings extends Fragment implements MainContentLayout {
-    public FragmentLayoutContentSettings() {
+    @NonNull AppController app;
+
+    public FragmentLayoutContentSettings(AppController app) {
         super(R.layout.fragment_settings);
+        this.app = app;
     }
 
     @Override
     public Fragment toFragment() {
         return this;
     }
+
+    @Override
+    public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
+        Spinner mapRendererSelector = view.findViewById(R.id.mapRendererSelector);
+        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
+                view.getContext(),
+                R.array.map_renderers,
+                android.R.layout.simple_spinner_item
+        );
+        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+        mapRendererSelector.setAdapter(adapter);
+        String currentRenderer = UserPrefsHelper.mapRenderer(app.getPrefs());
+        mapRendererSelector.setSelection(adapter.getPosition(currentRenderer));
+        mapRendererSelector.setOnItemSelectedListener(
+                new AdapterView.OnItemSelectedListener() {
+                    @Override
+                    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+                        UserPrefsHelper.mapRenderer(app.getPrefs(), position);
+                    }
+
+                    @Override
+                    public void onNothingSelected(AdapterView<?> parent) {}
+                }
+        );
+    }
 }

app/src/main/java/eu/konggdev/strikemaps/ui/screen/Screen.java

@@ -1,5 +1,6 @@
 package eu.konggdev.strikemaps.ui.screen;
 
+import android.view.View;
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.appcompat.widget.Toolbar;
@@ -14,11 +15,10 @@ import eu.konggdev.strikemaps.ui.element.region.UIRegion;
 
 public class Screen {
     @NonNull AppController app;
-    Toolbar supportBar;
+    Toolbar toolbar;
-    public Screen(AppController app, Map<Integer, UIRegion> regions, Toolbar supportBar) {
+    public Screen(AppController app, Map<Integer, UIRegion> regions) {
         this.app = app;
         this.uiRegions = regions;
-        this.supportBar = supportBar;
     }
     Map<Integer, UIRegion> uiRegions;
     public Integer popup;

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

@@ -7,4 +7,24 @@
         android:padding="24dp"
         android:background="@android:color/background_dark">
 
+    <TextView
+            android:id="@+id/mapRendererLabel"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Map Renderer:"
+            android:textColor="@android:color/white"
+            android:textSize="16sp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="@id/mapRendererSelector"/>
+
+    <Spinner
+            android:id="@+id/mapRendererSelector"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            app:layout_constraintStart_toEndOf="@id/mapRendererLabel"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"/>
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -3,4 +3,9 @@
     <string name="settings_title">Settings</string>
     <string name="attribution_title"> Attribution </string>
     <string name="shipped_attribution">Earth map data Included;\n   - © OpenStreetMap Contributors\nMap Rendering libraries Included;\n   - MapLibre developed by MapLibre Organization\n   - Vtm developed by Mapsforge\nStrike Maps made with &lt;3 by konggdev</string>
+    <string-array name="map_renderers">
+        <item>MapLibre Native</item>
+        <item>MapLibre GL JS</item>
+        <item>VTM</item>
+    </string-array>
 </resources>