From 2c1d7d1de2a92cbe055f4ddf8393cc49cacb56ff Mon Sep 17 00:00:00 2001
From: cgspine <cgspine@gmail.com>
Date: Wed, 25 Aug 2021 21:40:25 +0800
Subject: [PATCH] npe

---
 .../qmui/nestedScroll/QMUIContinuousNestedScrollLayout.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qmui/src/main/java/com/qmuiteam/qmui/nestedScroll/QMUIContinuousNestedScrollLayout.java b/qmui/src/main/java/com/qmuiteam/qmui/nestedScroll/QMUIContinuousNestedScrollLayout.java
index 5ed0d1b3..cc8b237a 100644
--- a/qmui/src/main/java/com/qmuiteam/qmui/nestedScroll/QMUIContinuousNestedScrollLayout.java
+++ b/qmui/src/main/java/com/qmuiteam/qmui/nestedScroll/QMUIContinuousNestedScrollLayout.java
@@ -446,6 +446,9 @@ public class QMUIContinuousNestedScrollLayout extends CoordinatorLayout implemen
         if(mBottomView == null){
             return Math.max(0, ((View) mTopView).getHeight() - getHeight());
         }
+        if(mTopView == null){
+            return 0;
+        }
         int contentHeight = mBottomView.getContentHeight();
         if (contentHeight != IQMUIContinuousNestedBottomView.HEIGHT_IS_ENOUGH_TO_SCROLL) {
             return Math.max(0, ((View) mTopView).getHeight() + contentHeight - getHeight());