自定义控键

Posted 2020-06-20 I‘m丶sure

1、自定义View

 

事件和响应者链

//  ViewController.h
//  自定义view
//
//  Created by tlh on 16/3/10.
//  Copyright © 2016年 lamco. All rights reserved.
//


//事件和响应者链
#import <UIKit/UIKit.h>

@interface ViewController : UIViewController
@property(strong,nonatomic)UILabel *lbltest;
@property(strong,nonatomic)UIButton *btn;
@property(strong,nonatomic)UIView *view1;
@property(strong,nonatomic)UIView *view2;

@end

 

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
   
   
    self.lbltest=[[UILabel alloc]initWithFrame:CGRectMake(100, 100, 200, 100)];
    self.lbltest.backgroundColor=[UIColor grayColor];
    [email protected]"test";
   
    [self.view addSubview:self.lbltest];
   
    self.btn =[UIButton buttonWithType:UIButtonTypeRoundedRect];
    self.btn.frame=CGRectMake(100, 100, 50, 50);
    [self.btn setTitle:@"TEST" forState:UIControlStateNormal];
    [self.btn addTarget:self action:@selector(Testbtn) forControlEvents:UIControlEventTouchUpInside];
    [self.lbltest addSubview:self.btn];
   
//    是否与用户交互 label默认是不交互。yes。
    self.lbltest.userInteractionEnabled=YES;
   
   
    self.view1=[[UIView alloc]initWithFrame:CGRectMake(100, 350, 200, 200)];
    self.view1.backgroundColor=[UIColor redColor];
    self.view2=[[UIView alloc]initWithFrame:CGRectMake(50,50, 50, 50)];
    self.view2.backgroundColor=[UIColor greenColor];
    [self.view1 addSubview:self.view2];

    [self.view addSubview:self.view1];

}

-(void)Testbtn
{
    NSLog(@"btn");
}
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    NSLog(@"begin");
   
//    v1
    NSLog(@"%@",[self.view2 nextResponder]);
//    view
        NSLog(@"%@",[[self.view2 nextResponder] nextResponder]);
//    window  容器
        NSLog(@"%@",[[[self.view2 nextResponder] nextResponder] nextResponder]);
//uiapplication 类
     NSLog(@"%@",[[[[self.view2 nextResponder] nextResponder] nextResponder] nextResponder]);
   
//    Appdelegate  协议
    NSLog(@"%@",[[[[[self.view2 nextResponder] nextResponder] nextResponder] nextResponder] nextResponder]);
   
//  null   再往下为空
   

}

-(void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    NSLog(@"end");
}


-(void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    NSLog(@"move");

}