Use ActivityCompat.recreate

app/src/main/java/protect/card_locker/MainActivity.java

@@ -29,6 +29,7 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.view.ActionMode;
 import androidx.appcompat.widget.SearchView;
 import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
 import androidx.recyclerview.widget.DefaultItemAnimator;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -340,7 +341,7 @@ public class MainActivity extends AppCompatActivity implements LoyaltyCardCursor
                 MenuItem searchItem = mMenu.findItem(R.id.action_search);
                 searchItem.collapseActionView();
             }
-            recreate();
+            ActivityCompat.recreate(this);
 
             return;
         }

app/src/main/java/protect/card_locker/preferences/SettingsActivity.java

@@ -6,6 +6,7 @@ import android.view.MenuItem;
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.app.AppCompatDelegate;
+import androidx.core.app.ActivityCompat;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.preference.Preference;
@@ -79,7 +80,7 @@ public class SettingsActivity extends AppCompatActivity
 
                     FragmentActivity activity = getActivity();
                     if (activity != null) {
-                        activity.recreate();
+                        ActivityCompat.recreate(activity);
                     }
                     return true;
                 }