35 lines
865 B
Objective-C
35 lines
865 B
Objective-C
//
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// YYAnimatedImageView+ImageShow.m
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// xplan-ios
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//
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// Created by 冯硕 on 2021/12/16.
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//
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#import "YYAnimatedImageView+ImageShow.h"
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#import <objc/runtime.h>
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@implementation YYAnimatedImageView (ImageShow)
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+ (void)load{
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// 获取系统的方法
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Method displayLayerMethod = class_getInstanceMethod(self, @selector(displayLayer:));
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// 获取更新的方法
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Method displayLayerNewMethod = class_getInstanceMethod(self, @selector(displayLayerNew:));
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// 方法交换
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method_exchangeImplementations(displayLayerMethod, displayLayerNewMethod);
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}
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- (void)displayLayerNew:(CALayer *)layer{
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Ivar imageIvar = class_getInstanceVariable([self class], "_curFrame");
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UIImage *image = object_getIvar(self, imageIvar);
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if (image){
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layer.contents = (__bridge id)image.CGImage;
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}else{
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if (@available(iOS 14.0, *)){
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[super displayLayer:layer];
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}
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}
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}
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@end
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