UIButton的一些经常使用属性

时间 2019-12-12

标签 uibutton 一些经常使用属性繁體版

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//再给B2设置坐标字体

btn2.frame=CGRectMake(100, 50, 50, 50);ui

//建立一个系统按钮orm

UIButton *btn3=[UIButton buttonWithType:UIButtonTypeContactAdd];it

btn3.frame=CGRectMake(150, 50, 50, 50);方法

//设置背景颜色di

btn1.backgroundColor=[UIColor colorWithRed:0 green:1 blue:0 alpha:1];co

btn2.backgroundColor=[UIColor colorWithRed:1 green:0 blue:0 alpha:1];background

btn3.backgroundColor=[UIColor colorWithRed:0 green:0 blue:1 alpha:0.5];颜色

//设置BUTTON上的文字ab

btn1.titleLabel.text=@"3";

btn2.titleLabel.text=@"2";

btn3.titleLabel.text=@"1";

[btn1 setTitle:@"1" forState:UIControlStateNormal];

[btn2 setTitle:@"2" forState:UIControlStateNormal];

[btn3 setTitle:@"3" forState:UIControlStateNormal];

//设置Button上的字体大小

btn1.titleLabel.adjustsFontSizeToFitWidth=YES;

btn2.titleLabel.adjustsFontSizeToFitWidth=YES;

btn3.titleLabel.adjustsFontSizeToFitWidth=YES;

//设置Button上的文字颜色(没被点击时)

[btn1 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

[btn2 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

[btn3 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];

//设置Button被点击时的文字颜色

[btn1 setTitleColor:[UIColor brownColor] forState:UIControlStateHighlighted];

[btn2 setTitleColor:[UIColor redColor] forState:UIControlStateHighlighted];

//设置button为禁用

btn3.enabled=NO;

[btn3 setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];

//uibutton的三种状态 1.normal 没被点二、highlighted被点中了 3.Disable 禁用

//圆角设置方法

btn.layer.cornerRadius = 50;

btn.layer.masksToBounds = YES;