我该如何以编程的方式设置右侧导航栏按钮的标题?我尝试了
[self.navigationItem.rightBarButtonItem setTitle:@"Test"];
我还尝试创建一个按钮的出口,然后试图为其分配一个值。
self.rightBarButton.titleLabel.text = @"Test";
我该如何以编程的方式设置右侧导航栏按钮的标题?我尝试了
[self.navigationItem.rightBarButtonItem setTitle:@"Test"];
我还尝试创建一个按钮的出口,然后试图为其分配一个值。
self.rightBarButton.titleLabel.text = @"Test";
试试这个:
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Test" style:UIBarButtonItemStylePlain target:target action:action];
如果您要使用Swift,请使用以下内容:
self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Title", style: UIBarButtonItemStyle.Plain, target: self, action: Selector("methodName"))
使用以下方法设置标题的颜色:
self.navigationItem.rightBarButtonItem?.tintColor = UIColor.whiteColor()
请尝试这个方法,它是有效的:
self.navigationItem.rightBarButtonItem.title = @"New Title";
let rightButton = self.editButtonItem
rightButton.title = "My Button"
self.navigationItem.rightBarButtonItem = rightButton
单个导航按钮
self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(yourFunctionWithObjcKeyword))
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]
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。