本文介绍了你如何在 UIBarItem 中使用 setTitleTextAttributes:forState?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！
问题描述
iOS中UIBarItem中的setTitleTextAttributes:forState:如何使用?
你如何设置NSDictionary?无法使其工作，文档对此也不是很清楚.
How do you set the NSDictionary? Can't make it work and documentation isn't very clear about that.
来自文档:
setTitleTextAttributes:forState:
为给定的控件状态设置标题的文本属性:
- (void)setTitleTextAttributes:(NSDictionary *)attributes
forState:(UIControlState)state
参数:
attributes:包含文本属性键值对的字典.您可以使用 NSString UIKit Additions Reference 中列出的键指定字体、文本颜色、文本阴影颜色和文本阴影偏移量.
attributes: A dictionary containing key-value pairs for text attributes. You can specify the font, text color, text shadow color, and text shadow offset using the keys listed in NSString UIKit Additions Reference.
state:要为其设置标题文本属性的控件状态.
state: The control state for which you want to set the text attributes for the title.
推荐答案
示例代码:
[[UIBarItem appearance] setTitleTextAttributes:
[NSDictionary dictionaryWithObjectsAndKeys:
[UIColor colorWithRed:220.0/255.0 green:104.0/255.0 blue:1.0/255.0 alpha:1.0], UITextAttributeTextColor,
[UIColor colorWithRed:1.0 green:1.0 blue:1.0 alpha:1.0], UITextAttributeTextShadowColor,
[NSValue valueWithUIOffset:UIOffsetMake(0, 1)], UITextAttributeTextShadowOffset,
[UIFont fontWithName:@"AmericanTypewriter" size:0.0], UITextAttributeFont, nil]
forState:UIControlStateNormal];
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