iOS UIView事件隔層傳遞 pointInside:withEvent:

iOS UIView事件隔層傳遞 pointInside:withEvent:
多層視圖重疊跳過中介層，實現隔層視圖事件響應 

////  DataViewController.m//  UIScrollViewPanGesture////  Created by Peace on 11/17/15.//  Copyright © 2015 Peace. All rights reserved.//#import "DataViewController.h"@interface TestView1 : UIView@end@implementation TestView1- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event{    CGRect frame = CGRectMake(0, 0,                              self.frame.size.width,                              self.frame.size.height);    BOOL value = (CGRectContainsPoint(frame, point));    NSArray *views = [self subviews];    for (UIView *subview in views) {        value = (CGRectContainsPoint(subview.frame, point));        if (value) {            return value;        }    }    return NO;}- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSLog(@"1:xxxx");}- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSLog(@"1:yyyy");}@end@interface TestView2 : UIView@end@implementation TestView2- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event{    CGRect frame = CGRectMake(0, 0,                              self.frame.size.width,                              self.frame.size.height);        BOOL value = (CGRectContainsPoint(frame, point));    return value;}- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSLog(@"2:xxxx");}- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSLog(@"2:yyyy");}@end/* * ViewController */@interface DataViewController ()@end@implementation DataViewController- (void)viewDidLoad{    [super viewDidLoad];        //白色視圖接受點擊事件    self.view.backgroundColor = [UIColor whiteColor];        //紅色視圖（＊＊＊＊註：不接受點擊事件＊＊＊＊）    TestView1 *v1 = [[TestView1 alloc] initWithFrame:CGRectMake(50.f, 50.f, 200.f, 200.f)];    v1.backgroundColor = UIColor.redColor;    [self.view addSubview:v1];        //黃色視圖接受點擊事件    TestView2 *v2 = [[TestView2 alloc] initWithFrame:CGRectMake(0.f, 0.f, 100.f, 100.f)];    v2.backgroundColor = UIColor.yellowColor;    [v1 addSubview:v2];}- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSLog(@"3:xxxx");}- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{    NSLog(@"3:yyyy");}@end