我想将背景图层的位置设置为如图所示的位置。
我尝试设置图层的位置,但不能。
func showRightNavBar()
{
let inboxButton = UIButton(type: .system)
inboxButton.setImage(UIImage (named: "email")?.withRenderingMode(.alwaysOriginal), for: .normal)
inboxButton.imageEdgeInsets = .init(top: 0, left: 35, bottom: 0, right: -30)
inboxButton.layer.backgroundColor = #colorLiteral(red: 0.521568656, green: 0.1098039225, blue: 0.05098039284, alpha: 1)
inboxButton.addTarget(self, action: #selector(inboxButtonTapped), for: UIControl.Event.touchUpInside)
let qrButton = UIButton(type: .system)
qrButton.setImage(UIImage (named: "QR-code")?.withRenderingMode(.alwaysOriginal), for: .normal)
qrButton.imageEdgeInsets = .init(top: 5, left: 17, bottom: 5, right: -7)
qrButton.layer.backgroundColor = #colorLiteral(red: 0.7254902124, green: 0.4784313738, blue: 0.09803921729, alpha: 1)
qrButton.addTarget(self, action: #selector(qrButtonTapped), for: UIControl.Event.touchUpInside)
let fixSpace = UIBarButtonItem(barButtonSystemItem: .fixedSpace, target: nil, action: nil)
fixSpace.width = 10
navigationItem.rightBarButtonItems = [UIBarButtonItem(customView: qrButton),fixSpace,UIBarButtonItem(customView: inboxButton)]
}
我希望背景层位置会像图片中的位置一样。
最佳答案
我对您的代码进行了一些更改。
按钮的图像大小应如下所示:
90 X 90 for 3x 60 X 60 for 2x 40 X 40 for 1x
检查行尾有注释的代码行。
func showRightNavBar() { let inboxButton = UIButton(type: .system) inboxButton.frame = CGRect(origin: CGPoint(x: 0, y: 0), size: CGSize(width: 40, height: 40)) // Set frame of button inboxButton.setImage(UIImage (named: "email")?.withRenderingMode(.alwaysOriginal), for: .normal) inboxButton.imageEdgeInsets = .init(top: 0, left: 25, bottom: 0, right: -30) // Minor changes in insets inboxButton.layer.backgroundColor = #colorLiteral(red: 0.521568656, green: 0.1098039225, blue: 0.05098039284, alpha: 1) inboxButton.addTarget(self, action: #selector(inboxButtonTapped), for: UIControl.Event.touchUpInside) let qrButton = UIButton(type: .system) qrButton.frame = CGRect(origin: CGPoint(x: 0, y: 0), size: CGSize(width: 40, height: 40)) // Set frame of button qrButton.setImage(UIImage (named: "QR-code")?.withRenderingMode(.alwaysOriginal), for: .normal) qrButton.imageEdgeInsets = .init(top: 5, left: 7, bottom: 5, right: -7) // Minor changes in insets qrButton.layer.backgroundColor = #colorLiteral(red: 0.7254902124, green: 0.4784313738, blue: 0.09803921729, alpha: 1) qrButton.addTarget(self, action: #selector(qrButtonTapped), for: UIControl.Event.touchUpInside) let fixSpace = UIBarButtonItem(barButtonSystemItem: .fixedSpace, target: nil, action: nil) fixSpace.width = 10 navigationItem.rightBarButtonItems = [UIBarButtonItem(customView: qrButton),fixSpace,UIBarButtonItem(customView: inboxButton)] }
之后,当我运行时,它给出了这个结果:
关于ios - 无法设置 RightBarButtonItems 的位置,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56500456/