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UIButton

时间:2016-01-18 11:54:54      阅读:119      评论:0      收藏:0      [点我收藏+]

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1.Button的定义

  UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

Button有六种类型

      enum {

  UIButtonTypeCustom = 0, 自定义风格

  UIButtonTypeRoundedRect, 圆角矩形

  UIButtonTypeDetailDisclosure, 蓝色小箭头按钮,主要做详细说明用

  UIButtonTypeInfoLight, 亮色感叹号

  UIButtonTypeInfoDark, 暗色感叹号

  UIButtonTypeContactAdd, 十字加号按钮

  } UIButtonType;

2.设置尺寸

  btn.frame = CGRectMake(0, 0, 100, 100);

  [btn setFrame:CGRectMake(0,0,100,100)];

3.设置背景

  button1.backgroundColor = [UIColor clearColor];

  [button setBackgroundColor:[UIColor blueColor]];

4.state状态

  enum {

  UIControlStateNormal = 0, 常规状态显现

  UIControlStateHighlighted = 1 << 0, 高亮状态显现

  UIControlStateDisabled = 1 << 1, 禁用的状态才会显现

  };

     [btn setTitle:@"cancel" forState:UIControlStateNormal];

5.设置button填充图片和背景图片

  [btn setImage:[UIImageimageNamed:@"aaa"]forState:UIControlStateNormal];

  [btn setBackgroundImage:[UIImageimageNamed:@"aaa"]forState:UIControlStateNormal];

6.添加或删除事件处理

  [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];

  [btn removeTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];

7.按钮是否可以响应

  btn.enabled = NO;

UIButton

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原文地址:http://www.cnblogs.com/huoran1120/p/5138438.html

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