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在手势中屏蔽响应事件继续向父视图传递
在手势中屏蔽响应事件继续向父视图传递
没有屏蔽时候的现象：
屏蔽时候的现象：
源码如下（用到了上一篇教程的源码）：
//// ViewController.m// BackgroundView//// Created by YouXianMing on 14-10-3.// Copyright (c) 2014年 YouXianMing. All rights reserved.//#import "ViewController.h"#import "UIView+BackgroundView.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad { [super viewDidLoad]; // 添加手势 UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)]; [self.view addGestureRecognizer:tap]; UILabel *label = [[UILabel alloc] initWithFrame:self.view.bounds]; label.text = @"Y.X. Touch Test"; label.textAlignment = NSTextAlignmentCenter; label.font = [UIFont fontWithName:@"HelveticaNeue-Thin" size:40.f]; label.textColor = [UIColor redColor]; [self.view addSubview:label];}- (void)tapEvent:(UITapGestureRecognizer *)tap{ // 显示 [self.view showBackgroundViewAndConfig:^(BackgroundView *configView) { configView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.6]; configView.startDuration = 0.4f; configView.endDuration = 0.4f; }]; // 延迟3s执行 [self performSelector:@selector(affterDelay) withObject:nil afterDelay:3.f];}- (void)handleSingleTap:(UIGestureRecognizer *)gestureRecognizer{ UIEvent *event = [[UIEvent alloc] init]; CGPoint location = [gestureRecognizer locationInView:gestureRecognizer.view]; //check actually view you hit via hitTest UIView *view = [gestureRecognizer.view hitTest:location withEvent:event]; if ([view.gestureRecognizers containsObject:gestureRecognizer]) { NSLog(@"当前视图响应了事件"); // 显示 [self.view showBackgroundViewAndConfig:^(BackgroundView *configView) { configView.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.6]; configView.startDuration = 0.4f; configView.endDuration = 0.4f; }]; // 延迟3s执行 [self performSelector:@selector(affterDelay) withObject:nil afterDelay:3.f]; } else { NSLog(@"子视图响应了事件"); }}- (void)affterDelay{ // 隐藏 [self.view removeBackgroundView];}@end
以下是核心代码处：
解决问题的出处：
http://stackoverflow.com/questions/5222998/uigesturerecognizer-blocks-subview-for-handling-touch-events/11573711#11573711
在手势中屏蔽响应事件继续向父视图传递
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