【Objective-C】动态创建控件

动态创建控件

//
//  ViewController.m
//  MediaIOS
//
//  Created by Inke219223m on 2022/5/23.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController


//动态控件在里面创建
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    //创建按钮
    //UIButton *ubOne = [[UIButton alloc] init];//默认
    //按钮类型
    //UIButton *ubOne = [UIButton buttonWithType:UIButtonTypeContactAdd];
    UIButton *ubOne = [UIButton buttonWithType:UIButtonTypeCustom];
    //设置按钮文字 默认状态
    [ubOne setTitle:@"点击我吧" forState:UIControlStateNormal];
    //高亮
    [ubOne setTitle:@"后端码匠" forState:UIControlStateHighlighted];
    
    UIImage *uimg = [UIImage imageNamed:@"汉堡"];
    UIImage *uimg2 = [UIImage imageNamed:@"薯条"];
    
    //设置默认状态图片
    [ubOne setBackgroundImage:uimg forState:UIControlStateNormal];
    
    //设置高亮
    [ubOne setBackgroundImage:uimg2 forState:UIControlStateHighlighted];
    
    //设置默认状态下文字yanse
    [ubOne setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    [ubOne setTitleColor:[UIColor yellowColor] forState:UIControlStateHighlighted];
    
    //设置按钮的frame 方可显示
    ubOne.frame = CGRectMake(50, 100, 100, 100);
    
    //设置点击事件
    [ubOne addTarget:self action:@selector(buttonClick) forControlEvents:UIControlEventTouchUpInside];
     
    //把动态创建的按钮添加进
    [self.view addSubview:ubOne];
    
}

-(void) buttonClick {
    NSLog(@"点击了，单击事件");
}
@end