Ios 标题部分对齐错误的视图(Swift 3)
我不知道我错在哪里。文本始终从左对齐Ios 标题部分对齐错误的视图(Swift 3),ios,swift,uitableview,swift3,Ios,Swift,Uitableview,Swift3,我不知道我错在哪里。文本始终从左对齐 func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? { let sectionHeight:CGFloat = 40 let headerView = UIView(frame: CGRect(x: 0, y: 0, width: Helper.screenWidth, height: secti
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let sectionHeight:CGFloat = 40
let headerView = UIView(frame: CGRect(x: 0, y: 0, width: Helper.screenWidth, height: sectionHeight))
headerView.backgroundColor = UIColor.init(fromHex: "F7F7F7")
headerView.layer.borderColor = UIColor.init(fromHex: "F7F7F7").cgColor
let titleLabel = UILabel()
titleLabel.font = UIFont(name: "HelveticaNeue", size: 15)
titleLabel.textColor = UIColor.darkGray
titleLabel.text = "Dummy test Dummy test"
titleLabel.textAlignment = NSTextAlignment.center
titleLabel.sizeToFit()
var frame = titleLabel.frame
frame.origin.x = 15
frame.origin.y = sectionHeight - frame.size.height - 7
titleLabel.frame = frame
headerView.addSubview(titleLabel)
return headerView
PS:screenWidth=UIScreen.main.bounds.size.width
titleLabel.sizeToFit()
上一行根据其文本长度构成标签的框架。(您可以尝试更改标签的背景色以查看标签的宽度)。删除上面的行,您将获得首选的文本对齐方式
还可按如下所示设置标签框架:-
var frame = CGRect(x: 0, y: 0, width: Helper.screenWidth, height: headerView.frame.size.height)
frame.origin.x = 15
frame.origin.y = sectionHeight - frame.size.height - 7
titleLabel.frame = frame
上一行根据其文本长度构成标签的框架。(您可以尝试更改标签的背景色以查看标签的宽度)。删除上面的行,您将获得首选的文本对齐方式
还可按如下所示设置标签框架:-
var frame = CGRect(x: 0, y: 0, width: Helper.screenWidth, height: headerView.frame.size.height)
frame.origin.x = 15
frame.origin.y = sectionHeight - frame.size.height - 7
titleLabel.frame = frame
当您调用
sizeToFit
时,这将收缩/扩展标签以匹配文本的大小,因此此标签内的任何文本对齐方式都将过时
我想你的意思是
标题label.adjustsFontSizeToFitWidth=true
;如果文本太大而无法显示,现在将使用较小的字体 当您调用sizeToFit
时,这将收缩/扩展标签以匹配文本的大小,因此此标签中的任何文本对齐方式都将过时
我想你的意思是标题label.adjustsFontSizeToFitWidth=true
;如果文本太大而无法显示,现在将使用较小的字体 试试这个
let titleLabel = UILabel(frame: CGRect(x: 0, y: 0, width: Helper.screenWidth, height: sectionHeight))
headerView.addSubview(titleLabel)
titleLabel.center = headerView.center
试试这个
let titleLabel = UILabel(frame: CGRect(x: 0, y: 0, width: Helper.screenWidth, height: sectionHeight))
headerView.addSubview(titleLabel)
titleLabel.center = headerView.center
文本在标签中居中,但标签在视图中不居中。 通过调用
titleLabel.sizeToFit()
,您调整了标签的大小以适应文本
试着做:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let sectionHeight:CGFloat = 40
let headerView = UIView(frame: CGRect(x: 0, y: 0, width: Helper.screenWidth, height: sectionHeight))
headerView.backgroundColor = UIColor.init(fromHex: "F7F7F7")
headerView.layer.borderColor = UIColor.init(fromHex: "F7F7F7").cgColor
let titleLabel = UILabel()
titleLabel.font = UIFont(name: "HelveticaNeue", size: 15)
titleLabel.textColor = UIColor.darkGray
titleLabel.text = "Dummy test Dummy test"
titleLabel.textAlignment = NSTextAlignment.center
titleLabel.sizeToFit()
titleLabel.frame = CGRect(x: 15.0, y: sectionHeight - frame.size.height - 7, width: headerView.size.width - 15.0*2.0, height: titleLabel.size.height)
headerView.addSubview(titleLabel)
return headerView
}
文本在标签中居中,但标签在视图中不居中。 通过调用
titleLabel.sizeToFit()
,您调整了标签的大小以适应文本
试着做:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let sectionHeight:CGFloat = 40
let headerView = UIView(frame: CGRect(x: 0, y: 0, width: Helper.screenWidth, height: sectionHeight))
headerView.backgroundColor = UIColor.init(fromHex: "F7F7F7")
headerView.layer.borderColor = UIColor.init(fromHex: "F7F7F7").cgColor
let titleLabel = UILabel()
titleLabel.font = UIFont(name: "HelveticaNeue", size: 15)
titleLabel.textColor = UIColor.darkGray
titleLabel.text = "Dummy test Dummy test"
titleLabel.textAlignment = NSTextAlignment.center
titleLabel.sizeToFit()
titleLabel.frame = CGRect(x: 15.0, y: sectionHeight - frame.size.height - 7, width: headerView.size.width - 15.0*2.0, height: titleLabel.size.height)
headerView.addSubview(titleLabel)
return headerView
}
您是否尝试过titleLabel.textAlignment=NSTextAlignmentCenter?如果您仔细观察,您可以看到它如果我仔细观察,我会在NSTEXTALIGNENCE.CENTER中看到一个点您是否尝试过titleLabel.textAlignment=NSTEXTALIGNENCENTER?如果您仔细观察,您可以看到它如果我仔细观察,我会在NSTEXTALIGNING.center中看到一个点