[英]In iOS13 the status bar background colour is different from the navigation bar in large text mode
這里不需要任何技巧或時髦。 關鍵是定義所需的外觀並在導航欄的standardAppearance
和它的scrollEdgeAppearance
上設置此值。 我在整個應用程序的基本導航控制器子類的 init 中有以下內容:
if #available(iOS 13.0, *) {
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.titleTextAttributes = [.foregroundColor: UIColor.white]
navBarAppearance.largeTitleTextAttributes = [.foregroundColor: UIColor.white]
navBarAppearance.backgroundColor = <insert your color here>
navigationBar.standardAppearance = navBarAppearance
navigationBar.scrollEdgeAppearance = navBarAppearance
}
如果問題是您想在顯示大標題時為導航欄提供顏色,請使用新的 UINavigationBarAppearance 類。
let app = UINavigationBarAppearance()
app.backgroundColor = .blue
self.navigationController?.navigationBar.scrollEdgeAppearance = app
在 iOS 13 上,根據 Apple 人機界面指南,使用大標題的導航欄具有透明顏色。 在此處查看更多信息:
在 iOS 13 及更高版本中,大標題導航欄默認不包含背景材質或陰影。 此外,隨着人們開始滾動內容,大標題會轉換為標准標題
通用代碼
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.backgroundColor = // your color
navBarAppearance.shadowImage = nil // line
navBarAppearance.shadowColor = nil // line
UINavigationBar.appearance(whenContainedInInstancesOf: [UINavigationController.self]).standardAppearance = navBarAppearance
UINavigationBar.appearance(whenContainedInInstancesOf: [UINavigationController.self]).scrollEdgeAppearance = navBarAppearance
我的導航欄擴展,iOS 13 Swift 5
extension UIViewController {
func configureNavigationBar(largeTitleColor: UIColor, backgoundColor: UIColor, tintColor: UIColor, title: String, preferredLargeTitle: Bool) {
if #available(iOS 13.0, *) {
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.largeTitleTextAttributes = [.foregroundColor: largeTitleColor]
navBarAppearance.titleTextAttributes = [.foregroundColor: largeTitleColor]
navBarAppearance.backgroundColor = backgoundColor
navigationController?.navigationBar.standardAppearance = navBarAppearance
navigationController?.navigationBar.compactAppearance = navBarAppearance
navigationController?.navigationBar.scrollEdgeAppearance = navBarAppearance
navigationController?.navigationBar.prefersLargeTitles = preferredLargeTitle
navigationController?.navigationBar.isTranslucent = false
navigationController?.navigationBar.tintColor = tintColor
navigationItem.title = title
} else {
// Fallback on earlier versions
navigationController?.navigationBar.barTintColor = backgoundColor
navigationController?.navigationBar.tintColor = tintColor
navigationController?.navigationBar.isTranslucent = false
navigationItem.title = title
}
}}
如何使用:
configureNavigationBar(largeTitleColor: .yourColor, backgoundColor: .yourColor, tintColor: .yourColor, title: "YourTitle", preferredLargeTitle: true)
如果你想要輕量的內容,在 info.plist 中將基於 ViewController 的狀態欄......設置為 NO
如果您不希望 largeTitles 將其設置為 false
在 iOS 13 上測試,希望對您有所幫助:)
Objective C 解決方案和 iOS 13
UINavigationBarAppearance* navBarAppearance = [self.navigationController.navigationBar standardAppearance];
[navBarAppearance configureWithOpaqueBackground];
navBarAppearance.titleTextAttributes = @{NSForegroundColorAttributeName:TitleColor};
navBarAppearance.largeTitleTextAttributes = @{NSForegroundColorAttributeName: TitleColor};
navBarAppearance.backgroundColor = TopColor;
self.navigationController.navigationBar.standardAppearance = navBarAppearance;
self.navigationController.navigationBar.scrollEdgeAppearance = navBarAppearance;
如果要刪除導航欄下方的下划線
if #available(iOS 13.0, *) {
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.titleTextAttributes = [.foregroundColor: UIColor.white]
navBarAppearance.largeTitleTextAttributes = [.foregroundColor: UIColor.white]
navBarAppearance.backgroundColor = <yourColor>
navBarAppearance.backgroundImage = UIImage()
navBarAppearance.shadowImage = UIImage()
navBarAppearance.shadowColor = .clear
self.navigationController?.navigationBar.standardAppearance = navBarAppearance
self.navigationController?.navigationBar.scrollEdgeAppearance = navBarAppearance
}
對於 iOS 13,我遇到了條形陰影線出現的問題。 將 Bars 陰影圖像設置為nil
解決了這個問題。
前
func configureNavigation() {
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.largeTitleTextAttributes = [.foregroundColor: UIColor.myColor,
.font: UIFont(name: "MyFont", size: 42)!]
navBarAppearance.backgroundColor = .white
navigationController?.navigationBar.isTranslucent = false
navigationController?.navigationBar.scrollEdgeAppearance = navBarAppearance
}
后
func configureNavigation() {
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.largeTitleTextAttributes = [.foregroundColor: UIColor.myColor,
.font: UIFont(name: "MyFont", size: 42)!]
navBarAppearance.backgroundColor = .white
navBarAppearance.shadowColor = nil
navigationController?.navigationBar.isTranslucent = false
navigationController?.navigationBar.scrollEdgeAppearance = navBarAppearance
}
完全可行的代碼:
let navigationBarAppearace = UINavigationBar.appearance()
navigationBarAppearace.tintColor = .tintColor
navigationBarAppearace.barTintColor = .barTintColor
navigationBarAppearace.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.tintColor]
if #available(iOS 13.0, *) {
let navBarAppearance = UINavigationBarAppearance()
navBarAppearance.configureWithOpaqueBackground()
navBarAppearance.titleTextAttributes = [.foregroundColor: UIColor.tintColor]
navBarAppearance.largeTitleTextAttributes = [.foregroundColor: UIColor.tintColor]
navBarAppearance.backgroundColor = <insert your color here>
navigationBarAppearace.standardAppearance = navBarAppearance // have a look here ;)
navigationBar.scrollEdgeAppearance = navBarAppearance
}
祝大家好運,和平!
感謝邁克和漢斯的回答。 我的案例是半透明狀態欄和 alpha 0.5 的導航欄。 iOS13 看起來很復雜。 以下是我的測試結果,如果您希望兩者都透明,則可以使用。
if #available(iOS 13.0, *) {
let navBarAppearance = UINavigationBarAppearance()
// This only set top status bar as transparent, not the nav bar.
navBarAppearance .configureWithTransparentBackground()
// This set the color for both status bar and nav bar(alpha 1).
navBarAppearance.backgroundColor = UIColor.red.withAlphaComponent(0.5)
navigationController?.navigationBar.standardAppearance = navBarAppearance
navigationController?.navigationBar.scrollEdgeAppearance = navBarAppearance
// Nav bar need sets to translucent for both nav bar and status bar to be translucent.
navigationController?.navigationBar.isTranslucent = true
// // Need to reset nav bar's color to make it clear to display navBarAppearance's color
navigationController?.navigationBar.backgroundColor = UIColor.clear
}
在將我的一個應用程序更新為更兼容 iOS 13 時,我遇到了類似的問題。 正如Hans上面提到的,大標題默認是透明的。 如果您像我一樣是 Storyboard 的重度用戶,那么側欄中還有另一個設置很容易打開。
如果您單擊故事板中的導航欄,通常默認選擇Navigation Item
,並且您不會獲得任何自定義選項。 選擇其上方的Navigation Bar
選項,然后您可以在右側的檢查器中選擇您想要的任何自定義背景顏色。
斯威夫特 5
override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) { super.traitCollectionDidChange(previousTraitCollection) let userInterfaceStyle = traitCollection.userInterfaceStyle modeDetect(userInterfaceStyle: userInterfaceStyle) } override func viewDidAppear(_ animated: Bool) { navigationController?.navigationBar.barStyle = .black navigationController?.navigationBar.titleTextAttributes = [.foregroundColor: UIColor.white] } func modeDetect(userInterfaceStyle: UIUserInterfaceStyle) { switch userInterfaceStyle { case .light: navigationController?.navigationBar.barTintColor = .systemPink case .dark: navigationController?.navigationBar.barTintColor = .systemBackground default: break } }
以下 Objective-C 代碼使 iOS 13 導航欄的行為與我之前的版本相似:
if (@available(iOS 13.0, *)) {
// Setup iOS 13 navigation bar
sharedSelector.navigationBar.scrollEdgeAppearance = sharedSelector.navigationBar.standardAppearance;
} else {
// Fallback on earlier versions
}
使用適當的參數調用此函數。 此代碼工作正常。
open func showNavigationBar(large: Bool,
animated: Bool,
isTransparabar: Bool,
titleColor: UIColor,
barBackGroundColor: UIColor,
fontSize: CGFloat) {
navigationController?.navigationBar.barTintColor = barBackGroundColor
navigationController?.navigationBar.backgroundColor = barBackGroundColor
navigationController?.navigationBar.isTranslucent = true
self.navigationController?.setNavigationBarHidden(false, animated: animated)
if large {
self.navigationController?.navigationBar.prefersLargeTitles = true
if #available(iOS 13.0, *) {
let appearance = UINavigationBarAppearance()
appearance.backgroundColor = barBackGroundColor
appearance.titleTextAttributes = [.foregroundColor: titleColor]
appearance.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: titleColor]
navigationController?.navigationBar.standardAppearance = appearance
navigationController?.navigationBar.compactAppearance = appearance
navigationController?.navigationBar.scrollEdgeAppearance = appearance
} else {
self.navigationController?.navigationBar.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: titleColor]
}
} else {
self.navigationController?.navigationBar.prefersLargeTitles = false
self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: titleColor!]
}
}
@mohmmad alabid 的答案需要單獨應用於每個視圖控制器,如果您想要一個通用的 Objective-C 解決方案,請將其放在您的應用程序委托中的 didFinishLaunchingWithOptions 函數中。
if (@available(iOS 13.0, *)) {
UINavigationBarAppearance* navBarAppearance = [[UINavigationBarAppearance alloc] init];
[navBarAppearance configureWithOpaqueBackground];
navBarAppearance.titleTextAttributes = @{NSForegroundColorAttributeName:NAVBAR_TEXT_COLOR};
navBarAppearance.largeTitleTextAttributes = @{NSForegroundColorAttributeName: NAVBAR_TEXT_COLOR};
navBarAppearance.backgroundColor = NAVBAR_COLOR;
[[UINavigationBar appearance] setStandardAppearance: navBarAppearance];
[[UINavigationBar appearance] setScrollEdgeAppearance: navBarAppearance];
}
邁克的解決方案很棒。
我提供了一種替代方法來更改適用於任何 iOS 版本的 UINavigationBar 顏色。
我們基本上將利用我們可以將 Image 設置為 UINavigationBar 的背景這一事實。
第一的
添加擴展以從任何 UColor 生成 UIImage 。 請注意,如果需要,您還可以稍后編寫擴展以從十六進制或其他格式生成 UIColor。
extension UIColor {
func image(_ size: CGSize = CGSize(width: 1, height: 1)) -> UIImage {
return UIGraphicsImageRenderer(size: size).image { rendererContext in
self.setFill()
rendererContext.fill(CGRect(origin: .zero, size: size))
}
}
}
感謝@neoneye提供了這個很棒的UIColor
擴展 :)
第二
現在我們開始談正事:
private func setupNavigationBarAppearance(navBar: UINavigationBar) {
navBar.isTranslucent = false
let navBarColorImage = UIColor.blue.image()
navBar.setBackgroundImage(navBarColorImage, for: .default)
navBar.tintColor = UIColor.white
}
因為我們已經將不透明的彩色圖像設置為背景,所以我們不需要檢查 iOS 13 。
我希望這可以幫助一些人自定義他們的導航欄。
干杯!
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