我在定制一个UITableView。我想隐藏在最后一个单元格上的分离线…我能这样做吗?
我知道我可以用tableView。separatorStyle = UITableViewCellStyle。没有,但是这会影响tableView的所有单元格。我希望它只影响最后一个单元格。
我在定制一个UITableView。我想隐藏在最后一个单元格上的分离线…我能这样做吗?
我知道我可以用tableView。separatorStyle = UITableViewCellStyle。没有,但是这会影响tableView的所有单元格。我希望它只影响最后一个单元格。
当前回答
iOS 7和8的更好解决方案
-(void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
DLog(@"");
if (cell && indexPath.row == 0 && indexPath.section == 0) {
DLog(@"cell.bounds.size.width %f", cell.bounds.size.width);
cell.separatorInset = UIEdgeInsetsMake(0.f, cell.bounds.size.width, 0.f, 0.0f);
}
}
如果你的应用程序是可旋转的-使用3000.0f作为左插入常数或在运行中计算它。 如果你尝试设置右插入,你会在iOS 8的单元格左侧看到分隔符。
其他回答
对于Swift 2:
将以下行添加到viewDidLoad():
tableView.separatorColor = UIColor.clearColor()
在willdisplaycell:
cell.separatorInset = UIEdgeInsetsMake(0, cell.bounds.size.width, 0, 0)
在ios7中,UITableView分组样式单元格分隔符看起来有点不同。它看起来有点像这样:
我尝试了凯梅纳兰的回答:
cell.separatorInset = UIEdgeInsetsMake(0, 10000, 0, 0);
然而,这似乎对我不起作用。我不知道为什么。所以我决定使用Hiren的答案,但使用UIView而不是UIImageView,并在iOS 7风格中画出界线:
UIColor iOS7LineColor = [UIColor colorWithRed:0.82f green:0.82f blue:0.82f alpha:1.0f];
//First cell in a section
if (indexPath.row == 0) {
UIView *line = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 1)];
line.backgroundColor = iOS7LineColor;
[cell addSubview:line];
[cell bringSubviewToFront:line];
} else if (indexPath.row == [self.tableViewCellSubtitles count] - 1) {
UIView *line = [[UIView alloc] initWithFrame:CGRectMake(21, 0, self.view.frame.size.width, 1)];
line.backgroundColor = iOS7LineColor;
[cell addSubview:line];
[cell bringSubviewToFront:line];
UIView *lineBottom = [[UIView alloc] initWithFrame:CGRectMake(0, 43, self.view.frame.size.width, 1)];
lineBottom.backgroundColor = iOS7LineColor;
[cell addSubview:lineBottom];
[cell bringSubviewToFront:lineBottom];
} else {
//Last cell in the table view
UIView *line = [[UIView alloc] initWithFrame:CGRectMake(21, 0, self.view.frame.size.width, 1)];
line.backgroundColor = iOS7LineColor;
[cell addSubview:line];
[cell bringSubviewToFront:line];
}
如果使用这个,请确保在第二个If语句中插入正确的表视图高度。我希望这对某些人有用。
实现这一点的最好方法是关闭默认的行分隔符,子类UITableViewCell,并添加一个自定义的行分隔符作为contentView的子视图-参见下面的自定义单元格,用于表示一个SNStock类型的对象,它有两个字符串属性,ticker和name:
import UIKit
private let kSNStockCellCellHeight: CGFloat = 65.0
private let kSNStockCellCellLineSeparatorHorizontalPaddingRatio: CGFloat = 0.03
private let kSNStockCellCellLineSeparatorBackgroundColorAlpha: CGFloat = 0.3
private let kSNStockCellCellLineSeparatorHeight: CGFloat = 1
class SNStockCell: UITableViewCell {
private let primaryTextColor: UIColor
private let secondaryTextColor: UIColor
private let customLineSeparatorView: UIView
var showsCustomLineSeparator: Bool {
get {
return !customLineSeparatorView.hidden
}
set(showsCustomLineSeparator) {
customLineSeparatorView.hidden = !showsCustomLineSeparator
}
}
var customLineSeparatorColor: UIColor? {
get {
return customLineSeparatorView.backgroundColor
}
set(customLineSeparatorColor) {
customLineSeparatorView.backgroundColor = customLineSeparatorColor?.colorWithAlphaComponent(kSNStockCellCellLineSeparatorBackgroundColorAlpha)
}
}
required init(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
init(reuseIdentifier: String, primaryTextColor: UIColor, secondaryTextColor: UIColor) {
self.primaryTextColor = primaryTextColor
self.secondaryTextColor = secondaryTextColor
self.customLineSeparatorView = UIView(frame:CGRectZero)
super.init(style: UITableViewCellStyle.Subtitle, reuseIdentifier:reuseIdentifier)
selectionStyle = UITableViewCellSelectionStyle.None
backgroundColor = UIColor.clearColor()
contentView.addSubview(customLineSeparatorView)
customLineSeparatorView.hidden = true
}
override func prepareForReuse() {
super.prepareForReuse()
self.showsCustomLineSeparator = false
}
// MARK: Layout
override func layoutSubviews() {
super.layoutSubviews()
layoutCustomLineSeparator()
}
private func layoutCustomLineSeparator() {
let horizontalPadding: CGFloat = bounds.width * kSNStockCellCellLineSeparatorHorizontalPaddingRatio
let lineSeparatorWidth: CGFloat = bounds.width - horizontalPadding * 2;
customLineSeparatorView.frame = CGRectMake(horizontalPadding,
kSNStockCellCellHeight - kSNStockCellCellLineSeparatorHeight,
lineSeparatorWidth,
kSNStockCellCellLineSeparatorHeight)
}
// MARK: Public Class API
class func cellHeight() -> CGFloat {
return kSNStockCellCellHeight
}
// MARK: Public API
func configureWithStock(stock: SNStock) {
textLabel!.text = stock.ticker as String
textLabel!.textColor = primaryTextColor
detailTextLabel!.text = stock.name as String
detailTextLabel!.textColor = secondaryTextColor
setNeedsLayout()
}
}
要禁用默认的行分隔符,请使用tableView。separatorStyle = UITableViewCellSeparatorStyle.None;消费者方面相对简单,见下面的例子:
private func stockCell(tableView: UITableView, indexPath:NSIndexPath) -> UITableViewCell {
var cell : SNStockCell? = tableView.dequeueReusableCellWithIdentifier(stockCellReuseIdentifier) as? SNStockCell
if (cell == nil) {
cell = SNStockCell(reuseIdentifier:stockCellReuseIdentifier, primaryTextColor:primaryTextColor, secondaryTextColor:secondaryTextColor)
}
cell!.configureWithStock(stockAtIndexPath(indexPath))
cell!.showsCustomLineSeparator = true
cell!.customLineSeparatorColor = tintColor
return cell!
}
对于iOS7或更高版本,更简洁的方法是使用INFINITY而不是硬编码的值。当屏幕旋转时,您不必担心更新单元格。
if (indexPath.row == <row number>) {
cell.separatorInset = UIEdgeInsetsMake(0, INFINITY, 0, 0);
}