Settings: show title of section in toolbar.

src/main/java/de/dennisguse/opentracks/settings/MainSettingsFragment.java

@@ -51,6 +51,12 @@ public class MainSettingsFragment extends PreferenceFragmentCompat {
         });
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+        ((SettingsActivity) getActivity()).getSupportActionBar().setTitle(R.string.menu_settings);
+    }
+
     @Override
     public void onDisplayPreferenceDialog(@NonNull Preference preference) {
         DialogFragment dialogFragment = null;

src/main/java/de/dennisguse/opentracks/settings/SettingsActivity.java

@@ -18,10 +18,10 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
 
     public static final String EXTRAS_EXPORT_ERROR_MESSAGE = "Export error message";
 
-    private String exportErrorMessage = null;
-
     public static final String FRAGMENT_KEY = "fragmentKey";
 
+    private String exportErrorMessage = null;
+
     private PreferenceFragmentCompat fragment = null;
 
     private SettingsBinding viewBinding;
@@ -43,6 +43,7 @@ public class SettingsActivity extends AbstractActivity implements ChooseActivity
         }
 
         setSupportActionBar(viewBinding.bottomAppBarLayout.bottomAppBar);
+        setSupportActionBar(viewBinding.topAppBar);
 
         getSupportFragmentManager().beginTransaction().replace(R.id.settings_fragment, fragment).commit();
     }

src/main/res/layout/settings.xml

@@ -10,6 +10,7 @@
         android:layout_height="wrap_content">
 
         <com.google.android.material.appbar.MaterialToolbar
+            android:id="@+id/top_app_bar"
             android:layout_width="match_parent"
             android:layout_height="?attr/actionBarSize"
             app:navigationIcon="@drawable/ic_settings_24dp"