From b5a473e3ed902ed1157c38b6d8c94ab685e9beaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9D=9E=E6=AD=8C?= <feige.zf@alibaba-inc.com>
Date: Sun, 20 Dec 2020 17:45:48 +0800
Subject: [PATCH] =?UTF-8?q?fix=20needless=20'setState'=C2=A0?=
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---
 lib/src/swiper.dart | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/src/swiper.dart b/lib/src/swiper.dart
index 9783740..42ccc90 100644
--- a/lib/src/swiper.dart
+++ b/lib/src/swiper.dart
@@ -452,9 +452,7 @@ class _SwiperState extends _SwiperTimerMixin {
   }
 
   void _onIndexChanged(int index) {
-    setState(() {
-      _activeIndex = index;
-    });
+    _activeIndex = index;
     if (widget.onIndexChanged != null) {
       widget.onIndexChanged(index);
     }