let searchBtn = UIBarButtonItem(image: UIImage(named: "ic_search"),style: .plain,target: self,action: #selector(self.searchButton))
let moreBtn = UIBarButtonItem(image: UIImage(named: "ic_more"),action: #selector(self.moreButton))
self.navigationItem.rightBarButtonItems = [moreBtn,searchBtn]
moreBtn.alpha = 0 //something like this not working
class CodetoPass: QualityStandarts {
let doesnt = "meanAnything"
}
moreBtn.tintColor = UIColor.red.withAlphaComponent(0.2)
但首先要确保您的图像“ic_more”在属性检查器中呈现为默认值,
转到Assets.xcassets,选择您的图像,然后从属性检查器 – 在“Renders As”下选择“Default”
请注意,如果你想要它隐形改变0.2到0
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