//

//  ViewController.m

//  02-UIButton(在代码中使用)

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // 1.1 创建按钮对象

//    UIButton *button = [[UIButton alloc] init];

    // 注意:设置按钮的类型只能在初始化的时候设置  -> UIButtonTypeCustom

    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

    // 1.2 设置按钮的类型，是一个枚举，

    //button.buttonType = UIButtonTypeInfoDark;

    // 1.3 设置frame

    button.frame = CGRectMake(, , , );

    // 1.4 设置背景颜色

//    button.backgroundColor = [UIColor redColor];

//    [button setBackgroundColor:[UIColor redColor]];

    // 1.5 设置文字

    // 分状态的:

//    button.titleLabel.text = @"普通文字"; 显示不出来

    [button setTitle:@"普通按钮" forState:UIControlStateNormal];  //正常显示的文字

    [button setTitle:@"高亮按钮" forState:UIControlStateHighlighted];//点击时的文字

    // 1.6 设置文字的颜色

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

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

    // 1.7 设置文字的阴影颜色

    [button setTitleShadowColor:[UIColor blackColor] forState:UIControlStateNormal];

    [button setTitleShadowColor:[UIColor whiteColor] forState:UIControlStateHighlighted];

    button.titleLabel.shadowOffset = CGSizeMake(, );

    // 1.8 设置内容图片，图片拖到Assets.xcassets右边里面去，

    [button setImage:[UIImage imageNamed:@"player_btn_pause_normal"] forState:UIControlStateNormal];

    [button setImage:[UIImage imageNamed:@"player_btn_pause_highlight"] forState:UIControlStateHighlighted];

    button.imageView.backgroundColor = [UIColor purpleColor];

    // 1.9 设置背景图片

    [button setBackgroundImage:[UIImage imageNamed:@"buttongreen"] forState:UIControlStateNormal];

    [button setBackgroundImage:[UIImage imageNamed:@"buttongreen_highlighted"] forState:UIControlStateHighlighted];

    // 2.0 加到控制器的view中

    [self.view addSubview:button];

    // 非常重要

    /**

     *  监听按钮的点击事件，

     *  Target: 目标 (让谁做事情)

     *  action: 方法 (做什么事情-->方法)

     *  Events: 事件

     */

//    SEL sel = @selector(clickButton:);

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

}

- (void)demo:(UIButton *)btn{//btn就是按钮，

    NSLog(@"%@", btn);

}

- (IBAction)clickButton:(UIButton *)button {

    button.enabled = NO;

}

@end