根據時間更改狀態欄顏色

Question

不確定是否可以，但是有沒有辦法根據時間更改狀態欄顏色？我用這個代碼擺弄：

import UIKit 

class testTimeController: UIViewController{ 

func lightstatusbar() { 
var preferredStatusBarStyle: UIStatusBarStyle { 
    return .lightContent 
} 
} 

    func darkstatusbar() { 
var preferredStatusBarStyle: UIStatusBarStyle { 
    return .default 
} 
} 

override func viewDidLoad() { 
    super.viewDidLoad() 
let hour = NSCalendar.current.component(.hour, from: NSDate() as Date) 

switch hour{ 
    case 1..<6: lightstatusbar() 
     break 
    case 7..<18: darkstatusbar() 
     break 
    case 19..<24: lightstatusbar() 
     break 
    default: darkstatusbar() 
    } 
} 

Answer 1

其他的答案不爲我工作，所以這是我工作的解決方案，對於這個answer：

步驟1個添加下列內容info.plist：

View controller-based status bar appearance與布爾值NO

步驟2在這個AppDelegate.swift添加到application(_:didFinishLaunchingWithOptions:)：

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool { 

    let hour = NSCalendar.current.component(.hour, from: NSDate() as Date) 

    switch hour { 
    case 1..<6: 
    UIApplication.shared.statusBarStyle = .lightContent 
    case 7..<18: 
    UIApplication.shared.statusBarStyle = .default 
    case 19..<24: 
    UIApplication.shared.statusBarStyle = .lightContent 
    default: 
    UIApplication.shared.statusBarStyle = .default 
    } 

    return true 
} 

Answer 2

是的，而只是實現和ovveride

override var preferredStatusBarStyle: UIStatusBarStyle { 
    let hour = NSCalendar.current.component(.hour, from: NSDate() as Date) 

    switch hour{ 
    case 1..<6: .lightContent 
     break 
    case 7..<18: .darkContent 
     break 
    case 19..<24: .lightContent 
     break 
    default: .darkContent 
} 

不要把VAR內的另一個方法是不會做任何事情。

Answer 3

我用@ SeanLintern88方法，只是增加了「迴歸」

override var preferredStatusBarStyle: UIStatusBarStyle { 
    let hour = NSCalendar.current.component(.hour, from: NSDate() as Date) 

    switch hour{ 
    case 1..<6: return.lightContent 

    case 7..<18: return.default 

    case 19..<24: return.lightContent 

    default: return.default 
    } 
}