Merge branch 'feature/invalidate_options_menu' into feature/general_improvements

# Conflicts:
#	src/main/java/ru/touchin/roboswag/components/adapters/ObservableCollectionAdapter.java

src/main/java/ru/touchin/roboswag/components/adapters/ObservableCollectionAdapter.java

@@ -459,6 +459,7 @@ public abstract class ObservableCollectionAdapter<TItem, TItemViewHolder extends
     /**
      * Method to bind item (from {@link #getObservableCollection()}) to item-specific ViewHolder.
      * It is not calling for headers and footer which counts are returned by {@link #getHeadersCount()} and @link #getFootersCount()}.
+     * You don't need to override this method if you have delegates for every view type.
      *
      * @param holder            ViewHolder to bind item to;
      * @param positionInAdapter Position of ViewHolder (NOT item!);

src/main/java/ru/touchin/roboswag/components/navigation/SimpleActionBarDrawerToggle.java

@@ -44,6 +44,8 @@ public class SimpleActionBarDrawerToggle extends ActionBarDrawerToggle
     @NonNull
     private final View sidebar;
 
+    private boolean isInvalidateOptionsMenuSupported = true;
+
     private boolean hamburgerShowed;
     private boolean sidebarDisabled;
 
@@ -203,7 +205,9 @@ public class SimpleActionBarDrawerToggle extends ActionBarDrawerToggle
 
     @Override
     public void onDrawerClosed(@NonNull final View view) {
-        activity.supportInvalidateOptionsMenu();
+        if (isInvalidateOptionsMenuSupported) {
+            activity.supportInvalidateOptionsMenu();
+        }
     }
 
     /**
@@ -218,7 +222,18 @@ public class SimpleActionBarDrawerToggle extends ActionBarDrawerToggle
     @Override
     public void onDrawerOpened(@NonNull final View drawerView) {
         activity.hideSoftInput();
-        activity.supportInvalidateOptionsMenu();
+        if (isInvalidateOptionsMenuSupported) {
+            activity.supportInvalidateOptionsMenu();
+        }
+    }
+
+    /**
+     * Set turn on/off invocation of supportInvalidateOptionsMenu
+     *
+     * @param isInvalidateOptionsMenuSupported flag for turning on/off invocation.
+     */
+    public void setInvalidateOptionsMenuSupported(final boolean isInvalidateOptionsMenuSupported) {
+        this.isInvalidateOptionsMenuSupported = isInvalidateOptionsMenuSupported;
     }
 
     @Override