button状态

/*

一、按钮的状态

1.UIControlStateNormal

1> 除开UIControlStateHighlighted、UIControlStateDisabled、UIControlStateSelected以外的其他情况，都是normal状态

2> 这种状态下的按钮【可以】接收点击事件

2.UIControlStateHighlighted

1> 【当按住按钮不松开】或者【highlighted = YES】时就能达到这种状态

2> 这种状态下的按钮【可以】接收点击事件

3.UIControlStateDisabled

1> 【button.enabled = NO】时就能达到这种状态

2> 这种状态下的按钮【无法】接收点击事件

4.UIControlStateSelected

1> 【button.selected = YES】时就能达到这种状态

2> 这种状态下的按钮【可以】接收点击事件

二、让按钮无法点击的2种方法

1> button.enabled = NO;

*【会】进入UIControlStateDisabled状态

2> button.userInteractionEnabled = NO;

*【不会】进入UIControlStateDisabled状态，继续保持当前状态

*/

#import "ViewController.h"

#import "LZJButton.h"

@interface ViewController ()

/** 按钮 */

@property (nonatomic, weak) LZJButton *button;

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

LZJButton *button = [[LZJButton alloc] init];

[button setTitle:@"我是按钮" forState:UIControlStateNormal];

[button setTitleColor:[UIColor redColor] forState:UIControlStateNormal];

[button setTitleColor:[UIColor greenColor] forState:UIControlStateHighlighted];

[button setTitleColor:[UIColor blueColor] forState:UIControlStateSelected];

[button setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];

button.frame = CGRectMake(100, 100, 100, 30);

[button addTarget:self action:@selector(buttonClick) forControlEvents:UIControlEventTouchUpInside];

[self.view addSubview:button];

self.button = button;

}

- (void)buttonClick {

NSLog(@"%s", __func__);

}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

self.button.selected = YES;

//    self.button.highlighted = YES;

}

---------------------------------------

#import "LZJButton.h"

@implementation LZJButton

- (BOOL)isHighlighted

{

return YES;

}

//- (void)setHighlighted:(BOOL)highlighted

//{

//

//}

@end