ios 以编程方式向 UITableview 添加标题
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Adding a header to UITableview programmatically
提问by Allreadyhome
How would I add this feature programmatically? I'm not sure what I would search to find this. I know how to add the IBAction but not the code to generate this feature highlighted in the picture. Is it a custom cell or a divider?s
我将如何以编程方式添加此功能?我不确定我会搜索什么来找到这个。我知道如何添加 IBAction 但不知道生成图片中突出显示的此功能的代码。它是自定义单元格还是分隔符?
回答by Antonio MG
That's just a header in the TableView, they appear on top of your section
这只是 TableView 中的一个标题,它们出现在您的部分的顶部
Use this method if you want a title:
如果您想要标题,请使用此方法:
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
Or this one if you want a custom view:
如果您想要自定义视图,或者这个:
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
And for the height:
对于高度:
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
回答by Priyank Jotangiya
Try This one Programmatically adding headerit's Easy..
试试这个以编程方式添加标题很容易..
UIView *headerView = [[UIView alloc] initWithFrame:CGRectMake(1, 50, 276, 30)];
headerView.backgroundColor = [UIColor colorWithRed:235/255.0f green:235/255.0f blue:235/255.0f alpha:1.0f];
UILabel *labelView = [[UILabel alloc] initWithFrame:CGRectMake(4, 5, 276, 24)];
labelView.text = @"hello";
[headerView addSubview:labelView];
self.tableView.tableHeaderView = headerView;
Or Try in Swift
或者试试 Swift
var headerView: UIView = UIView.init(frame: CGRectMake(1, 50, 276, 30))
headerView.backgroundColor = UIColor(red: 235/255.0, green: 235/255.0, blue: 235/255.0, alpha: 1.0)
var labelView: UILabel = UILabel.init(frame: CGRectMake(4, 5, 276, 24))
labelView.text = "hello"
headerView.addSubview(labelView)
self.tableView.tableHeaderView = headerView
Swift 4.0 and later
Swift 4.0 及更高版本
var headerView: UIView = UIView.init(frame: CGRect.init(x: 1, y: 50, width: 276, height: 30))
headerView.backgroundColor = UIColor(red: 235/255.0, green: 235/255.0, blue: 235/255.0, alpha: 1.0)
var labelView: UILabel = UILabel.init(frame: CGRect.init(x: 4, y: 5, width: 276, height: 24))
labelView.text = "hello"
headerView.addSubview(labelView)
self.tableView.tableHeaderView = headerView
回答by fred
Updated For Swift 4
为 Swift 4 更新
Similar to SimplePJ's answer. If you want to create a custom header view for the ENTIRE TABLE VIEWyou can create one and set it as the tableHeaderView like so.
类似于 SimplePJ 的回答。如果您想为整个表视图创建自定义标题视图,您可以创建一个并将其设置为 tableHeaderView 像这样。
let headerView: UIView = UIView.init(frame: CGRect(x: 1, y: 50, width: 276, height: 30))
headerView.backgroundColor = .red
let labelView: UILabel = UILabel.init(frame: CGRect(x: 4, y: 5, width: 276, height: 24))
labelView.text = "My header view"
headerView.addSubview(labelView)
self.tableView.tableHeaderView = headerView
This is not to be confused with creating a table view section headerin which you'd use the following method.
不要将这与创建表视图节标题混淆,您将在其中使用以下方法。
func headerView(forSection section: Int) -> UITableViewHeaderFooterView?
The return value is the header view associated with the section, or nil if the section does not have a header view.
返回值是与section关联的标题视图,如果该部分没有标题视图,则返回nil。
回答by l0gg3r
Just implement these two delegate methods in your TableViewController
只需在您的 TableViewController 中实现这两个委托方法
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
In the first method return the height of the header view, In the second return the view that should be displayed
在第一个方法中返回标题视图的高度,在第二个方法中返回应该显示的视图
here is an example
这是一个例子
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
return 55.0;
}
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
return [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"simpleHeader.png"]];
}