From dbe4fc38875e714054cd856534eff3683f64b6a7 Mon Sep 17 00:00:00 2001
From: Pinlin <pinlin168@gmail.com>
Date: Thu, 20 Aug 2020 23:43:22 +0800
Subject: [PATCH] fix: fix ios14 cannot display static webp

---
 YYImage/YYAnimatedImageView.m | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/YYImage/YYAnimatedImageView.m b/YYImage/YYAnimatedImageView.m
index 50e3455..2ab94f0 100644
--- a/YYImage/YYAnimatedImageView.m
+++ b/YYImage/YYAnimatedImageView.m
@@ -532,6 +532,11 @@ typedef NS_ENUM(NSUInteger, YYAnimatedImageType) {
 - (void)displayLayer:(CALayer *)layer {
     if (_curFrame) {
         layer.contents = (__bridge id)_curFrame.CGImage;
+    } else {
+        // If we have no animation frames, call super implementation. iOS 14+ UIImageView use this delegate method for rendering.
+        if ([UIImageView instancesRespondToSelector:@selector(displayLayer:)]) {
+            [super displayLayer:layer];
+        }
     }
 }