Code cleanup

app/src/main/java/org/schabi/newpipe/settings/SelectKioskFragment.java

@@ -1,6 +1,5 @@
 package org.schabi.newpipe.settings;
 
-import android.content.DialogInterface;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -51,16 +50,11 @@ public class SelectKioskFragment extends DialogFragment {
     private SelectKioskAdapter selectKioskAdapter = null;
 
     private OnSelectedListener onSelectedListener = null;
-    private OnCancelListener onCancelListener = null;
 
     public void setOnSelectedListener(final OnSelectedListener listener) {
         onSelectedListener = listener;
     }
 
-    public void setOnCancelListener(final OnCancelListener listener) {
-        onCancelListener = listener;
-    }
-
     /*//////////////////////////////////////////////////////////////////////////
     // Init
     //////////////////////////////////////////////////////////////////////////*/
@@ -91,14 +85,6 @@ public class SelectKioskFragment extends DialogFragment {
     // Handle actions
     //////////////////////////////////////////////////////////////////////////*/
 
-    @Override
-    public void onCancel(@NonNull final DialogInterface dialogInterface) {
-        super.onCancel(dialogInterface);
-        if (onCancelListener != null) {
-            onCancelListener.onCancel();
-        }
-    }
-
     private void clickedItem(final SelectKioskAdapter.Entry entry) {
         if (onSelectedListener != null) {
             onSelectedListener.onKioskSelected(entry.serviceId, entry.kioskId, entry.kioskName);
@@ -114,10 +100,6 @@ public class SelectKioskFragment extends DialogFragment {
         void onKioskSelected(int serviceId, String kioskId, String kioskName);
     }
 
-    public interface OnCancelListener {
-        void onCancel();
-    }
-
     private class SelectKioskAdapter
             extends RecyclerView.Adapter<SelectKioskAdapter.SelectKioskItemHolder> {
         private final List<Entry> kioskList = new Vector<>();

app/src/main/java/org/schabi/newpipe/settings/tabs/ChooseTabsFragment.java

@@ -44,8 +44,6 @@ import java.util.List;
 import static org.schabi.newpipe.settings.tabs.Tab.typeFrom;
 
 public class ChooseTabsFragment extends Fragment {
-    private static final int MENU_ITEM_RESTORE_ID = 123456;
-
     private TabsManager tabsManager;
 
     private final List<Tab> tabList = new ArrayList<>();
@@ -110,21 +108,14 @@ public class ChooseTabsFragment extends Fragment {
                                     @NonNull final MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);
 
-        final MenuItem restoreItem = menu.add(Menu.NONE, MENU_ITEM_RESTORE_ID, Menu.NONE,
-                R.string.restore_defaults);
+        final MenuItem restoreItem = menu.add(R.string.restore_defaults);
         restoreItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
         restoreItem.setIcon(AppCompatResources.getDrawable(requireContext(),
                 R.drawable.ic_settings_backup_restore));
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(final MenuItem item) {
-        if (item.getItemId() == MENU_ITEM_RESTORE_ID) {
+        restoreItem.setOnMenuItemClickListener(ev -> {
             restoreDefaults();
             return true;
-        }
-
-        return super.onOptionsItemSelected(item);
+        });
     }
 
     /*//////////////////////////////////////////////////////////////////////////

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

@@ -6,14 +6,14 @@
     android:orientation="vertical"
     tools:context="org.schabi.newpipe.MainActivity">
 
+    <include
+        android:id="@+id/settings_toolbar_layout"
+        layout="@layout/toolbar_layout" />
+
     <androidx.fragment.app.FragmentContainerView
         android:id="@+id/settings_fragment_holder"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginTop="?attr/actionBarSize" />
 
-    <include
-        layout="@layout/toolbar_layout"
-        android:id="@+id/settings_toolbar_layout"/>
-
 </RelativeLayout>

app/src/main/res/xml/update_settings.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:key="general_preferences"
     android:title="@string/settings_category_updates_title">
 
     <SwitchPreferenceCompat