企业网站建设作品分析2023年的新闻十条

项目中很多情况下视图的点击点是通过UITapGestureRecognizer 来实现的，这个时候我们就也是可以支持自动化埋点的
思路如下：
通过运行时hook UITapgestureRecognizer的addTarget:action: 方法
和initWithTarget:action: 方法，在交换的方法中添加埋点的响应方法，
并保留原始的响应方法，在埋点响应方法中执行埋点方法，然后调用原来的响应

直接上代码，

@interface UIGestureRecognizer (Event)@property (nonatomic, strong) NSString *actionName;#pragma mark - Private@property (nonatomic, strong) NSString *senderAction;@end

//
//  UIGestureRecognizer+Event.m
//  TEXT
//
//  Created by mac on 2025/3/2.
//  Copyright © 2025 刘博. All rights reserved.
//#import "UIGestureRecognizer+Event.h"
#import "NSObject+Swizzle.h"static const void *monitorActionNameKey = "monitorActionNameKey";
static const void *KSenderAction = "KSenderAction";static const char *KTargetActionPair = "KTargetActionPair";@implementation  UIGestureRecognizer (Event)+ (void)load
{[NSObject exchangeInstanceMethod:[self class] originalSel:@selector(addTarget:action:) swizzledSel:@selector(log_addTarget:action:)];[NSObject exchangeInstanceMethod:[self class] originalSel:@selector(initWithTarget:action:) swizzledSel:@selector(initWithLogTarget:action:)];
}- (void)log_addTarget:(id)target action:(SEL)action
{//只记录点击事件if ([self isKindOfClass:[UITapGestureRecognizer class]]) {// 原因：UIWebView init时，系统API内部触发UIKit`-[UIWebBrowserView installGestureRecognizers]:// 过滤部分系统私有手势NSString *targetClsStr = NSStringFromClass([target class]);NSString *gesClsStr = NSStringFromClass([self class]);if(target && ( [targetClsStr hasPrefix:@"UIWeb"] || [gesClsStr hasPrefix:@"_UI"] || [gesClsStr hasPrefix:@"WKSynthetic"] || [gesClsStr hasPrefix:@"UIKB"])){[self log_addTarget:target action:action];return;}NSMapTable *targetActions = [self targetActionPair];if (targetActions == nil ) {targetActions = [NSMapTable mapTableWithKeyOptions:NSPointerFunctionsStrongMemoryvalueOptions:NSPointerFunctionsWeakMemory];[self setTargetActionPair:targetActions];}[targetActions setObject:target forKey:NSStringFromSelector(action)];[self log_addTarget:self action:@selector(logAction:)];//先记录action[self setSenderAction:NSStringFromSelector(action)];}else{[self log_addTarget:target action:action];}
}- (void)logAction:(UIGestureRecognizer *) sender
{UIView *view = self.view;//执行埋点操作NSLog(@"哈哈哈手势点击埋点了手势点击埋点了手势点击埋点了");[self callOriginActions];
}- (void)callOriginActions
{NSMapTable *targetActions = [[self targetActionPair] copy];NSEnumerator *enumerator = [targetActions keyEnumerator];id selector;while ((selector = [enumerator nextObject])) {id target = [targetActions objectForKey:selector];if (target != nil) {SEL s = NSSelectorFromString(selector);IMP imp = [target methodForSelector:s];void (*func)(id, SEL,id) = (void *)imp;func(target, s, self);}}
}- (id)initWithLogTarget:(id)target action:(SEL)action
{self = [self initWithLogTarget:nil action:NULL];if (self) {[self addTarget:target action:action];}return self;
}- (NSString *)actionName {return objc_getAssociatedObject(self, monitorActionNameKey);
}- (void)setActionName:(NSString *)monitorActionName{objc_setAssociatedObject(self, monitorActionNameKey,monitorActionName,OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}- (NSString *)senderAction {return objc_getAssociatedObject(self, KSenderAction);
}- (void)setSenderAction:(NSString *)senderAction{objc_setAssociatedObject(self, KSenderAction,senderAction,OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}-(void)setTargetActionPair:(NSMapTable *)targetActionPair
{objc_setAssociatedObject(self, KTargetActionPair, targetActionPair, OBJC_ASSOCIATION_RETAIN);
}-(NSMapTable*)targetActionPair
{return objc_getAssociatedObject(self, KTargetActionPair);
}@end