Question

我编写了这段代码来为UISegmentedControl设置正常状态和突出显示状态但不起作用的字体属性。请帮我指出原因。

NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys: [UIFont fontWithName:@"Helvetica" size:12.0f], UITextAttributeFont,

                            [UIColor blackColor], UITextAttributeTextColor,

                            nil];

NSDictionary *boldAttributes = [NSDictionary dictionaryWithObjectsAndKeys: [UIFont fontWithName:@"Helvetica-Bold" size:12.0f], UITextAttributeFont,

                            [UIColor blackColor], UITextAttributeTextColor,

                            nil];



[self.tab setTitleTextAttributes:attributes forState:UIControlStateNormal];

[self.tab setTitleTextAttributes:boldAttributes forState:UIControlStateHighlighted];

我希望所选文字为粗体，否则应该是正常的。

Answer 1

我尝试过以下

NSDictionary *attributes = [NSDictionary dictionaryWithObjectsAndKeys:
                        [UIFont boldSystemFontOfSize:17], UITextAttributeFont,
                        [UIColor blackColor], UITextAttributeTextColor,
                        nil];
[_segmentedControl setTitleTextAttributes:attributes forState:UIControlStateNormal];
NSDictionary *highlightedAttributes = [NSDictionary dictionaryWithObject:[UIColor    whiteColor] forKey:UITextAttributeTextColor];
[_segmentedControl setTitleTextAttributes:highlightedAttributes  forState:UIControlStateHighlighted];

并设置字体

 [UIFont fontWithName:@"FontName" size:desiredsize.f]

同时将突出显示更改为选中。

Answer 2

这个答案已经过时了，但对于那些正在寻求快速解决方案的人来说，你可能想尝试这种方法：

func stylizeFonts(){
    let normalFont = UIFont(name: "Helvetica", size: 16.0)
    let boldFont = UIFont(name: "Helvetica-Bold", size: 16.0)

    let normalTextAttributes: [NSObject : AnyObject] = [
        NSForegroundColorAttributeName: UIColor.blackColor(),
        NSFontAttributeName: normalFont!
    ]

    let boldTextAttributes: [NSObject : AnyObject] = [
        NSForegroundColorAttributeName : UIColor.whiteColor(),
        NSFontAttributeName : boldFont!,
    ]

    self.setTitleTextAttributes(normalTextAttributes, forState: .Normal)
    self.setTitleTextAttributes(normalTextAttributes, forState: .Highlighted)
    self.setTitleTextAttributes(boldTextAttributes, forState: .Selected)
}

确保在viewDidLoad中添加stylizeFonts（）或在子类化时添加单独的函数。

Answer 3

更改

[self.tab setTitleTextAttributes:boldAttributes forState:UIControlStateHighlighted];

到

[self.tab setTitleTextAttributes:boldAttributes forState:UIControlStateSelected];

在UISegmentedControl中的选定选项卡上是否可以使用不同的样式字体？

3 个答案: