UIControl - UIButton

UIButton 

UI基础控件，按钮

//初始化UIButton 使用工厂方法buttonWithType: 选择出适合什么类型的button

/*

UIButtonTypeCustom = 0,        //自定义类型，比如要自己将图片放到按钮上 需要使用此类型

UIButtonTypeSystem NS_ENUM_AVAILABLE_IOS(7_0),  //系统类型默认

UIButtonTypeDetailDisclosure,  //用于显示当前列表项的详情

UIButtonTypeInfoLight,          //该按钮类型 亮

UIButtonTypeInfoDark,          //该按钮类型 暗

UIButtonTypeContactAdd,        //该按钮通常用于添加联系人

UIButtonTypeRoundedRect = UIButtonTypeSystem, //圆角

*/

UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];

//设置button位置

button.frame = CGRectMake(100, 100, 200, 30);

//设置标题

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

//设置标题颜色

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

//设置button边框宽度

button.layer.borderWidth = 0.2;

//设置button边框颜色

button.layer.borderColor = [UIColor redColor].CGColor;

//设置button 内容内边距

button.contentEdgeInsets = UIEdgeInsetsMake(3, 3, 3, 3);

//设置button 标题内边距

button.titleEdgeInsets = UIEdgeInsetsMake(3, 3, 3, 3);

//设置button 图片内边距

button.imageEdgeInsets = UIEdgeInsetsMake(3, 3, 3, 3);;

//默认为NO 当高亮状态下逆转标题阴影

button.reversesTitleShadowWhenHighlighted = YES;

//adjustsImageWhenHighlighted 在高亮状态下调整图片 默认 YES

//adjustsImageWhenDisabled    在不可用状态下调整图片 默认 YES

//showsTouchWhenHighlighted  在高亮状态下展示反馈 默认 NO

//在没有手动设置颜色的时候 可以改变按钮的着色

button.tintColor = [UIColor blueColor];

//设置button阴影颜色

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

//设置button图片

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

//设置button背景图片

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

//设置attributed的标题文字

[button setAttributedTitle:[[NSAttributedString alloc]initWithString:@"attributed按钮"]forState:UIControlStateNormal];

//添加到视图上

[self.view addSubview:button];

//currentTitle  获取当前标题

//currentTitleColor 获取当前标题颜色

//currentTitleShadowColor 获取当前阴影颜色

//currentImage 获取当前图片

//currentBackgroundImage 获取当前背景图片

//currentAttributedTitle 获取当前attributed标题

//titleLabel 该属性为添加在button上文字的label，可以通过修改此属性

//imageView 该属性为修改button图片的imageView

/*

backgroundRectForBounds:(CGRect)bounds //改变对button的Bounds显示的backgroundRect

contentRectForBounds:(CGRect)bounds    //改变对button的bounds显示的contentRect

titleRectForContentRect:(CGRect)contentRect //改变对内容Rect里 title的Rect

imageRectForContentRect:(CGRect)contentRect //改变对内容Rect里 image的Rect

*/

/*

//获取各种state下 button中显示的内容 的各种 属性

- (nullable NSString *)titleForState:(UIControlState)state;          // 获取该状态下标题

- (nullable UIColor *)titleColorForState:(UIControlState)state;  // 获取该状态下标题颜色

- (nullable UIColor *)titleShadowColorForState:(UIControlState)state; // 获取该状态下标题阴影颜色

- (nullable UIImage *)imageForState:(UIControlState)state;  // 获取该状态下图片

- (nullable UIImage *)backgroundImageForState:(UIControlState)state;    //获取该状态下的背景图

- (nullable NSAttributedString *)attributedTitleForState:(UIControlState)state //获取该状态下attributed标题

*/