Swift 自定义 NavBar 后退按钮图像和文本

问题描述

我需要自定义 Swift 项目中后退按钮的外观.

I need to customise the look of a back button in a Swift project.

这是我所拥有的:

这就是我想要的:

我尝试创建自己的 UIBarButtonItem，但我不知道如何将图像放在文本旁边，而不是作为背景或替换文本.

I've tried creating my own UIBarButtonItem but I can't figure out how to get the image to be beside the text, rather than as a background or a replacement for the text.

let backButton = UIBarButtonItem(title: "Custom", style: .Plain, target: self, action: nil    )
//backButton.image = UIImage(named: "imageName") //Replaces title
backButton.setBackgroundImage(UIImage(named: "imageName"), forState: .Normal, barMetrics: .Default) // Stretches image
navigationItem.setLeftBarButtonItem(backButton, animated: false)

推荐答案

你可以这样做:

let yourBackImage = UIImage(named: "back_button_image")
self.navigationController?.navigationBar.backIndicatorImage = yourBackImage
self.navigationController?.navigationBar.backIndicatorTransitionMaskImage = yourBackImage
self.navigationController?.navigationBar.backItem?.title = "Custom"

您的图像将只有一种颜色

Your image will only have one color though

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