Added rules menu dividers

app/src/main/java/eu/faircode/email/FragmentRules.java

@@ -41,6 +41,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.SearchView;
 import androidx.constraintlayout.widget.Group;
+import androidx.core.view.MenuCompat;
 import androidx.fragment.app.FragmentTransaction;
 import androidx.lifecycle.Observer;
 import androidx.preference.PreferenceManager;
@@ -243,6 +244,8 @@ public class FragmentRules extends FragmentBase {
             }
         });
 
+        MenuCompat.setGroupDividerEnabled(menu, true);
+
         super.onCreateOptionsMenu(menu, inflater);
     }
 

app/src/main/res/menu/menu_rules.xml

@@ -8,6 +8,7 @@
         app:actionViewClass="androidx.appcompat.widget.SearchView"
         app:showAsAction="collapseActionView|always" />
 
+    <group android:id="@+id/group_backup">
         <item
             android:id="@+id/menu_export"
             android:title="@string/title_rules_export"
@@ -17,7 +18,9 @@
             android:id="@+id/menu_import"
             android:title="@string/title_rules_import"
             app:showAsAction="never" />
+    </group>
 
+    <group android:id="@+id/group_operations">
         <item
             android:id="@+id/menu_delete_all"
             android:title="@string/title_rules_delete_all"
@@ -27,4 +30,5 @@
             android:id="@+id/menu_delete_junk"
             android:title="@string/title_rules_delete_junk"
             app:showAsAction="never" />
+    </group>
 </menu>