From 5eb47355e0e77fc373197ef1a491937cb35e4a04 Mon Sep 17 00:00:00 2001
From: "pengfei.zhou" <pengfeizhou@foxmail.com>
Date: Fri, 17 Dec 2021 17:03:43 +0800
Subject: [PATCH] iOS: add removeObserver in case addObserver being called
 multi times

---
 doric-iOS/Pod/Classes/Shader/DoricImageNode.m | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doric-iOS/Pod/Classes/Shader/DoricImageNode.m b/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
index 5a3521b3..5aaa3e68 100644
--- a/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
+++ b/doric-iOS/Pod/Classes/Shader/DoricImageNode.m
@@ -557,6 +557,13 @@ - (void)blendView:(UIImageView *)view forPropName:(NSString *)name propValue:(id
     } else if ([@"imageScale" isEqualToString:name]) {
         //Do not need set
     } else if ([@"onAnimationEnd" isEqualToString:name]) {
+        if (self.animationEndCallbackId) {
+#if DORIC_USE_YYWEBIMAGE
+            [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentIsPlayingAnimation" context:nil];
+#elif DORIC_USE_SDWEBIMAGE
+            [(DoricImageView *) self.view removeObserver:self forKeyPath:@"currentFrameIndex" context:nil];
+#endif
+        }
         self.animationEndCallbackId = prop;
         DoricImageView *doricImageView = (DoricImageView *) view;
 #if DORIC_USE_YYWEBIMAGE