IOS学习-UIButton

常用的属性

UIButtonType

• UIButtonTypeCustom
• UIButtonTypeRounedRect 一个圆角矩形样式的按钮
• UIButtonTypeDetailDisclosure 一个详细纰漏按钮
• UIButtonTypeInfoLight 一个信息按钮，有一个浅色背景
• UIButtonTypeInfoDark 一个信息按钮，有一个黑暗的背景
• UIButtonTypeContactAdd 一个联系人添加按钮

按下按钮后出发一个事件

-(void)testUIButton1{
    UIButton * button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    [button setTitle:@"危险！请勿触摸！" forState:UIControlStateNormal];
    [button sizeToFit];
    [button addTarget:self action:@selector(buttonDidPush) forControlEvents:UIControlEventTouchUpInside];
    button.center = self.view.center;
    button.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin |
        UIViewAutoresizingFlexibleRightMargin |
        UIViewAutoresizingFlexibleTopMargin |
        UIViewAutoresizingFlexibleBottomMargin;
    [self.view addSubview:button];
}

在屏幕中显示不同的按钮