From 9bcd10baf50050c778b343b9cc4055a7f63fc7c9 Mon Sep 17 00:00:00 2001
From: Allen <AllenCoder@126.com>
Date: Mon, 7 Nov 2016 21:03:49 +0800
Subject: [PATCH] fix 474 crash when clicking on header sometime

---
 .../library/adapter/base/listener/SimpleClickListener.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/library/src/main/java/com/chad/library/adapter/base/listener/SimpleClickListener.java b/library/src/main/java/com/chad/library/adapter/base/listener/SimpleClickListener.java
index 1d1d33b22..84b0ada2c 100644
--- a/library/src/main/java/com/chad/library/adapter/base/listener/SimpleClickListener.java
+++ b/library/src/main/java/com/chad/library/adapter/base/listener/SimpleClickListener.java
@@ -257,6 +257,13 @@ private boolean isHeaderOrFooterPosition(int position) {
         /**
          *  have a headview and EMPTY_VIEW FOOTER_VIEW LOADING_VIEW
          */
+        if (baseQuickAdapter==null){
+            if (recyclerView!=null){
+                baseQuickAdapter= (BaseQuickAdapter) recyclerView.getAdapter();
+            }else {
+                return false;
+            }
+        }
         int type = baseQuickAdapter.getItemViewType(position);
         return (type == EMPTY_VIEW || type == HEADER_VIEW || type == FOOTER_VIEW || type == LOADING_VIEW);
     }