Moved handleClick() into a method that can be overridden. For #8

README.md

@@ -19,7 +19,7 @@ Then add this to your build.gradle dependencies for the project where you want t
 
     dependencies {
       ...
-      compile 'com.github.grennis:ExpandableRecyclerView:0.9.2'
+      compile 'com.github.grennis:ExpandableRecyclerView:0.9.3'
     }
 
 # Usage

lib/src/main/java/com/innodroid/expandablerecycler/ExpandableRecyclerAdapter.java

@@ -69,15 +69,19 @@ public HeaderViewHolder(View view, final ImageView arrow) {
             view.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
-                    if (toggleExpandedItems(getLayoutPosition(), false)) {
-                        openArrow(arrow);
-                    } else {
-                        closeArrow(arrow);
-                    }
+                    handleClick();
                 }
             });
         }
 
+        protected void handleClick() {
+            if (toggleExpandedItems(getLayoutPosition(), false)) {
+                openArrow(arrow);
+            } else {
+                closeArrow(arrow);
+            }
+        }
+
         public void bind(int position) {
             arrow.setRotation(isExpanded(position) ? 90 : 0);
         }