let searchBtn = UIBarButtonItem(image: UIImage(named: "ic_search"), style: .plain, target: self, action: #selector(self.searchButton))
let moreBtn = UIBarButtonItem(image: UIImage(named: "ic_more"), style: .plain, target: self, action: #selector(self.moreButton))
self.navigationItem.rightBarButtonItems = [moreBtn, searchBtn]
moreBtn.alpha = 0 //something like this not working
class CodeToPass: QualityStandarts {
let doesnt = "meanAnything"
}
我有兩個UIBarButtonItems。其中手動完成。我想動畫α,當我點擊其中的一個。我該怎麼做?如何設置UIBarButtonItem alpha
意味着你想在一些按鈕上應用一些動畫,或者你想隱藏它在點擊搜索按鈕上。 –