ios14YYAnimatedImageView图片显示问题

Author: wsl2ls

iOS_Tips/.DS_Store

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		2C5F11A7257BCB7000904B70 /* YYAnimatedImageView+iOS14.m in Sources */ = {isa = PBXBuildFile; fileRef = 2C5F11A6257BCB7000904B70 /* YYAnimatedImageView+iOS14.m */; };
 		2CC813682553CE88009DAC9B /* 已浏览.md in Resources */ = {isa = PBXBuildFile; fileRef = 2CC813672553CE88009DAC9B /* 已浏览.md */; };
 		2CEBE85D24A6E65600BA21F3 /* SLTimer.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CEBE85B24A6E65600BA21F3 /* SLTimer.m */; };
 		780F5303236D8462000D0EA8 /* SLGridView.m in Sources */ = {isa = PBXBuildFile; fileRef = 780F5302236D8462000D0EA8 /* SLGridView.m */; };
@@ -214,6 +215,8 @@
 /* End PBXContainerItemProxy section */
 
 /* Begin PBXFileReference section */
+		2C5F11A5257BCB7000904B70 /* YYAnimatedImageView+iOS14.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "YYAnimatedImageView+iOS14.h"; sourceTree = "<group>"; };
+		2C5F11A6257BCB7000904B70 /* YYAnimatedImageView+iOS14.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = "YYAnimatedImageView+iOS14.m"; sourceTree = "<group>"; };
 		2CC813672553CE88009DAC9B /* 已浏览.md */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = net.daringfireball.markdown; path = "已浏览.md"; sourceTree = "<group>"; };
 		2CC8137925540CB8009DAC9B /* HMLog.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = HMLog.h; sourceTree = "<group>"; };
 		2CEBE85B24A6E65600BA21F3 /* SLTimer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SLTimer.m; sourceTree = "<group>"; };
@@ -605,6 +608,15 @@
 			path = View;
 			sourceTree = "<group>";
 		};
+		2C5F115C257BC96A00904B70 /* YYAnimatedImageViewCategory */ = {
+			isa = PBXGroup;
+			children = (
+				2C5F11A5257BCB7000904B70 /* YYAnimatedImageView+iOS14.h */,
+				2C5F11A6257BCB7000904B70 /* YYAnimatedImageView+iOS14.m */,
+			);
+			path = YYAnimatedImageViewCategory;
+			sourceTree = "<group>";
+		};
 		7811F76C24B2C70D000AA044 /* 二进制重排 */ = {
 			isa = PBXGroup;
 			children = (
@@ -630,6 +642,7 @@
 		7835047E24586BA30071283E /* ThirdLibary */ = {
 			isa = PBXGroup;
 			children = (
+				2C5F115C257BC96A00904B70 /* YYAnimatedImageViewCategory */,
 				789AD1CC24D9024300CB0B4C /* Reachability */,
 				7857FD4824729E8500D3D986 /* BSBacktraceLogger */,
 				78D3095D239688EF00DC373A /* OpenGLUtils */,
@@ -1537,6 +1550,7 @@
 				78B10482232F57C30051579F /* AppDelegate.m in Sources */,
 				78E72D7C24810E2D00751373 /* SLDynamicItem.m in Sources */,
 				78777CE0238FEA48006FA671 /* SLOpenGLController.m in Sources */,
+				2C5F11A7257BCB7000904B70 /* YYAnimatedImageView+iOS14.m in Sources */,
 				78908DC324FFBE5D004164C2 /* SLScrollviewNesteVC.m in Sources */,
 				7851CB362331CC87002295B5 /* SLDarkModeViewController.m in Sources */,
 				78D30965239688EF00DC373A /* GLESMath.c in Sources */,

iOS_Tips/DarkMode.xcodeproj/project.pbxproj

@@ -0,0 +1,18 @@
+//
+//  YYAnimatedImageView+iOS14.h
+//  DarkMode
+//
+//  Created by 王先生 on 2020/12/5.
+//  Copyright © 2020 https://github.com/wsl2ls   ----- . All rights reserved.
+//
+
+#import "YYAnimatedImageView.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+///主要解决 ios14YYAnimatedImageView图片显示问题 #573  https://github.com/ibireme/YYKit/issues/573
+@interface YYAnimatedImageView (iOS14)
+
+@end
+
+NS_ASSUME_NONNULL_END

iOS_Tips/DarkMode/ThirdLibary/YYAnimatedImageViewCategory/YYAnimatedImageView+iOS14.h

@@ -0,0 +1,33 @@
+//
+//  YYAnimatedImageView+iOS14.m
+//  DarkMode
+//
+//  Created by 王先生 on 2020/12/5.
+//  Copyright © 2020 https://github.com/wsl2ls   ----- . All rights reserved.
+//
+
+#import "YYAnimatedImageView+iOS14.h"
+#import <objc/runtime.h>
+
+@implementation YYAnimatedImageView (iOS14)
++(void)load {
+    // 获取系统的方法
+    Method displayLayerMethod = class_getInstanceMethod(self, @selector(displayLayer:));
+    // 获取更新的方法
+    Method displayLayerNewMethod = class_getInstanceMethod(self, @selector(displayLayerNew:));
+    // 方法交换
+    method_exchangeImplementations(displayLayerMethod, displayLayerNewMethod);
+}
+-(void)displayLayerNew:(CALayer *)layer {
+    Ivar imageIvar = class_getInstanceVariable([self class], "_curFrame");
+    UIImage *image = object_getIvar(self, imageIvar);
+    if (image) {
+        layer.contents = (__bridge id)image.CGImage;
+    }
+    else {
+        if (@available(iOS 14.0, *)) {
+            [super displayLayer:layer];
+        }
+    }
+}
+@end

iOS_Tips/DarkMode/ThirdLibary/YYAnimatedImageViewCategory/YYAnimatedImageView+iOS14.m

@@ -28,7 +28,7 @@ @interface SLReusableManager ()
 @property (nonatomic, strong) NSMutableArray <SLReusableCell *>*visibleCells;
 ///记录最后一次的偏移量，用来判断滑动方向
 @property (nonatomic, assign) CGFloat lastContentOffsetY;
-///顶部即将展示的索引1
+///顶部即将展示的索引
 @property (nonatomic, assign) NSInteger willDisplayIndexTop;
 ///底部即将展示的索引
 @property (nonatomic, assign) NSInteger willDisplayIndexBottom;
@@ -216,7 +216,7 @@ - (void)willDisplayCellWithDirection:(BOOL)top {
         }
     }
 }
-//即将消失的cell，在消失时放入缓冲池里   top:YES上/NO下
+//即将消失的cell，在消失时放入缓冲池里，并且重置视图cell的内容   top:YES上/NO下
 - (void)willDisappearCellWithDirection:(BOOL)top {
     if(top) {
         if (self.willDisplayIndexTop+1 >= self.frameArray.count) return;
@@ -225,7 +225,13 @@ - (void)willDisappearCellWithDirection:(BOOL)top {
             self.willDisplayIndexTop = self.willDisplayIndexTop+1;
             NSLog(@"上 第 %ld 个cell消失",self.willDisplayIndexTop);
             SLReusableCell *cell = self.visibleCells.firstObject;
-            cell.layer.contents = nil;
+            
+            //进入缓冲池后，要清空重置cell上的内容，防止下一个取出时显示之前的内容，我这里重置时用了自己的默认logo，你可以自己重绘默认时的cell内容
+            for (UIView *subView in cell.subviews) {
+                subView.layer.contents = (__bridge id)[UIImage imageNamed:@"wsl"].CGImage;
+            }
+            cell.layer.contents = (__bridge id)[UIImage imageNamed:@"wsl"].CGImage;
+            
             NSHashTable * hashTable= self.reusablePool[cell.cellID];
             [hashTable addObject:cell];
             [self.visibleCells removeObjectAtIndex:0];
@@ -237,7 +243,13 @@ - (void)willDisappearCellWithDirection:(BOOL)top {
             self.willDisplayIndexBottom = self.willDisplayIndexBottom-1;
             NSLog(@"下 第 %ld 个cell消失",self.willDisplayIndexBottom);
             SLReusableCell *cell = self.visibleCells.lastObject;
-            cell.layer.contents = nil;
+            
+            //进入缓冲池后，要清空重置cell上的内容，防止下一个取出时显示之前的内容，我这里重置时用了自己的默认logo，你可以自己重绘默认时的cell内容
+            for (UIView *subView in cell.subviews) {
+                subView.layer.contents = (__bridge id)[UIImage imageNamed:@"wsl"].CGImage;
+            }
+            cell.layer.contents = (__bridge id)[UIImage imageNamed:@"wsl"].CGImage;
+            
             NSHashTable * hashTable= self.reusablePool[cell.cellID];
             [hashTable addObject:cell];
             [self.visibleCells removeLastObject];

iOS_Tips/DarkMode/WKWebView/WebNative/SLReusableManager.m

@@ -8,7 +8,7 @@
 
 #import "SLWebNativeViewController.h"
 #import <WebKit/WebKit.h>
-#import <YYImage.h>
+#import "YYImage.h"
 #import <YYWebImage.h>
 #import "SLAvPlayer.h"
 #import <YYModel.h>