Niestandardowy obraz przycisku bez ustawiania ramki przycisku:
Możesz użyć init(image: UIImage?, style: UIBarButtonItemStyle, target: Any?, action: Selector?)
do zainicjowania nowego elementu przy użyciu określonego obrazu i innych właściwości.
let button1 = UIBarButtonItem(image: UIImage(named: "imagename"), style: .plain, target: self, action: Selector("action"))
self.navigationItem.rightBarButtonItem = button1
Sprawdź ten dokument Apple. odniesienie
UIBarButtonItem z niestandardowym obrazem przycisku za pomocą ramki przycisku
DLA Swift 3.0
let btn1 = UIButton(type: .custom)
btn1.setImage(UIImage(named: "imagename"), for: .normal)
btn1.frame = CGRect(x: 0, y: 0, width: 30, height: 30)
btn1.addTarget(self, action: #selector(Class.Methodname), for: .touchUpInside)
let item1 = UIBarButtonItem(customView: btn1)
let btn2 = UIButton(type: .custom)
btn2.setImage(UIImage(named: "imagename"), for: .normal)
btn2.frame = CGRect(x: 0, y: 0, width: 30, height: 30)
btn2.addTarget(self, action: #selector(Class.MethodName), for: .touchUpInside)
let item2 = UIBarButtonItem(customView: btn2)
self.navigationItem.setRightBarButtonItems([item1,item2], animated: true)
DLA Swift 2.0
i starszych
let btnName = UIButton()
btnName.setImage(UIImage(named: "imagename"), forState: .Normal)
btnName.frame = CGRectMake(0, 0, 30, 30)
btnName.addTarget(self, action: Selector("action"), forControlEvents: .TouchUpInside)
let rightBarButton = UIBarButtonItem()
rightBarButton.customView = btnName
self.navigationItem.rightBarButtonItem = rightBarButton
Lub po prostu użyj init (customView :) jak
let rightBarButton = UIBarButtonItem(customView: btnName)
self.navigationItem.rightBarButtonItem = rightBarButton
W przypadku systemu UIBarButtonItem
let camera = UIBarButtonItem(barButtonSystemItem: .Camera, target: self, action: Selector("btnOpenCamera"))
self.navigationItem.rightBarButtonItem = camera
W przypadku zestawu więcej niż 1 elementów użyj rightBarButtonItems
lub na lewą stronęleftBarButtonItems
let btn1 = UIButton()
btn1.setImage(UIImage(named: "img1"), forState: .Normal)
btn1.frame = CGRectMake(0, 0, 30, 30)
btn1.addTarget(self, action: Selector("action1:"), forControlEvents: .TouchUpInside)
let item1 = UIBarButtonItem()
item1.customView = btn1
let btn2 = UIButton()
btn2.setImage(UIImage(named: "img2"), forState: .Normal)
btn2.frame = CGRectMake(0, 0, 30, 30)
btn2.addTarget(self, action: Selector("action2:"), forControlEvents: .TouchUpInside)
let item2 = UIBarButtonItem()
item2.customView = btn2
self.navigationItem.rightBarButtonItems = [item1,item2]
Za pomocą setLeftBarButtonItem
lubsetRightBarButtonItem
let btn1 = UIButton()
btn1.setImage(UIImage(named: "img1"), forState: .Normal)
btn1.frame = CGRectMake(0, 0, 30, 30)
btn1.addTarget(self, action: Selector("action1:"), forControlEvents: .TouchUpInside)
self.navigationItem.setLeftBarButtonItem(UIBarButtonItem(customView: btn1), animated: true);
Dla swift> = 2.2 działanie powinno być #selector(Class.MethodName)
... npbtnName.addTarget(self, action: #selector(Class.MethodName), forControlEvents: .TouchUpInside)
let camera = UIBarButtonItem(barButtonSystemItem: .Camera, target: self, action: #selector(Class.MethodName))