ios - 以编程方式设置 RoundedRect 按钮

Question

我尝试使用以下设置圆形按钮，但它从 View 中消失了。如果我删除了

takebtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];

然后显示矩形按钮。帮助我获取 RoundedRect 按钮。

 takebtn = [[UIButton alloc]initWithFrame:CGRectMake(30, 325, 250, 40)];
    takebtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    [takebtn setTitle:@"Take Photo" forState:UIControlStateNormal];
    takebtn.backgroundColor=[UIColor colorWithRed:50.0/255.0 green:205.0/255.0 blue:50.0/255.0 alpha:1.0];
    [takebtn addTarget:self
                action:@selector(takePhoto:)
      forControlEvents:(UIControlEvents)UIControlEventTouchDown];
    [nextview addSubview:takebtn];

Answer 1

您需要像下面这样修改您的代码:-

takeBtn.layer.cornerRadius = 10; //value can be change accordingly.
takeBtn.clipsToBounds = YES;

注意:- ios7 中无需导入 Quartz 框架