我有这个功能的问题:
func setTitle(title:String, subtitle:String) -> UIView {
let titleLabel = UILabel(frame: CGRect(x:0, y:-5, width:0, height:0))
titleLabel.backgroundColor = UIColor.clear
titleLabel.textColor = UIColor.gray
titleLabel.font = UIFont.boldSystemFont(ofSize: 17)
titleLabel.text = title
titleLabel.sizeToFit()
let subtitleLabel = UILabel(frame: CGRect(x:0, y:18, width:0, height:0))
subtitleLabel.backgroundColor = UIColor.clear
subtitleLabel.textColor = UIColor.black
subtitleLabel.font = UIFont.systemFont(ofSize: 12)
subtitleLabel.text = subtitle
subtitleLabel.sizeToFit()
let titleView = UIView(frame: CGRect(x:0, y:0, width:max(titleLabel.frame.size.width, subtitleLabel.frame.size.width), height:30))
titleView.addSubview(titleLabel)
titleView.addSubview(subtitleLabel)
let widthDiff = subtitleLabel.frame.size.width - titleLabel.frame.size.width
if widthDiff > 0 {
var frame = titleLabel.frame
frame.origin.x = widthDiff / 2
titleLabel.frame = frame.integral
} else {
var frame = subtitleLabel.frame
frame.origin.x = abs(widthDiff) / 2
titleLabel.frame = frame.integral
}
return titleView
}
//使用:self.navigationItem.titleView = setTitle(“title”,“subtitle”)
//来源:http://stackoverflow.com/questions/12914004/uinavigationbar-titleview-with-subtitle
如上图所示,每当有人用阿拉伯语[图片2]写作时,标题就会搞砸,但如果有人用英文写的[图片1]。产权标签保持良好。
先感谢您。
我使用阿拉伯语和英语单词的所有组合运行代码,并在代码中发现问题。看看这个。
if widthDiff > 0 {
var frame = titleLabel.frame
frame.origin.x = widthDiff / 2
titleLabel.frame = frame.integral
} else {
var frame = subtitleLabel.frame
frame.origin.x = abs(widthDiff) / 2
titleLabel.frame = frame.integral /* subtitleLabel.frame = frame.integral */
}