UIButton详细的属性介绍

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第一、UIButton的定义    UIButton *button=[[UIButton buttonWithType:(UIButtonType);能够定义的button类型有以下6种, typedef 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;第二、设置framebutton1.frame = CGRectMake(20, 20, 280, 40);[button setFrame:CGRectMake(20,20,50,50)];第三、button背景色button1.backgroundColor = [UIColor clearColor];[button setBackgroundColor:[UIColor blueColor]];第四、state状态 forState: 这个参数的作用是定义按钮的文字或图片在何种状态下才会显现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 UIControlStateSelected = 1 << 2, 选中状态  UIControlStateApplication = 0x00FF0000, 当应用程序标志时  UIControlStateReserved = 0xFF000000 为内部框架预留,可以不管他 };@property(nonatomic,getter=isEnabled)BOOL enabled;                                 // default is YES. if NO, ignores touch events and subclasses may draw differently@property(nonatomic,getter=isSelected)BOOL selected;                               // default is NO may be used by some subclasses or by application@property(nonatomic,getter=isHighlighted)BOOL highlighted;                          第五 、设置button填充图片和背景图片    [buttonsetImage:[UIImageimageNamed:@"checkmarkControllerIcon"]forState:UIControlStateNormal];    [buttonsetBackgroundImage:[UIImageimageNamed:@"checkmarkControllerIcon"]forState:UIControlStateNormal];第六、设置button标题和标题颜色[button1 setTitle:@"点击" forState:UIControlStateNormal];  [buttonsetTitleColor:[UIColorredColor]forState:UIControlStateNormal];第七、设置按钮按下会发光    button.showsTouchWhenHighlighted=NO;第八、添加或删除事件处理[button1 addTarget:self action:@selector(butClick:) forControlEvents:UIControlEventTouchUpInside];[btn removeTarget:nil action:nil forControlEvents:UIControlEventTouchUpInside];第九、 设置按钮内部图片间距和标题间距 UIEdgeInsets insets; // 设置按钮内部图片间距 insets.top = insets.bottom = insets.right = insets.left = 10; bt.contentEdgeInsets = insets; bt.titleEdgeInsets = insets; // 标题间距
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