如何设置右侧导航栏按钮标题

Question

如何以编程方式设置右侧导航栏按钮的标题。我试过了

[self.navigationItem.rightBarButtonItem setTitle:@"Test"];

并且还尝试为按钮创建插座，然后尝试为其分配值。

self.rightBarButton.titleLabel.text = @"Test";

Answer 1

试试这个：

self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Test" style:UIBarButtonItemStylePlain target:target action:action];

Answer 2

对于 Swift ，请使用此

self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Title", style: UIBarButtonItemStyle.Plain, target: self, action: Selector("methodName"))

使用此设置标题的颜色，

self.navigationItem.rightBarButtonItem?.tintColor = UIColor.whiteColor()

Answer 3

请试试这个，它有效：

    self.navigationItem.rightBarButtonItem.title = @"New Title";

Answer 4

这是Swift 3的简单选项：

let rightButton = self.editButtonItem
rightButton.title = "My Button"
self.navigationItem.rightBarButtonItem = rightButton

Answer 5

这适用于swift 3：

navigationItem.rightBarButtonItem?.title = "Test"

但按钮必须是自定义类型，否则它不起作用。

Answer 6

单导航按钮

self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(yourFunctionWithObjcKeyword))

对于多个导航按钮

let add = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(yourFunctionWithObjcKeyword))

let edit = UIBarButtonItem(barButtonSystemItem: .edit, target: self, action: #selector(yourFunctionWithObjcKeyword))

self.navigationItem.rightBarButtonItems = [add, edit]

  

注意：您必须将控制器嵌入UINavigationController中以使上述代码正常工作。对于UITableViewController和UICollectionViewController，此代码不起作用。