ios - iOS 暗模式状态栏不适用于所有视图控制器
问题描述
我做了一个带有多个视图控制器的 iOS 应用程序。初始控制器将显示当前模式的状态,而第二个视图是设置。
此应用程序有 3 个暗模式选项:亮、暗和系统。
但是,当我选择亮或暗模式时,状态栏颜色与亮/模式相同。
例如:我的系统设置为浅色模式,但我在应用程序中选择了深色模式。但是,状态栏是黑色而不是白色。
我尝试了很多方法,但它不起作用,我已经删除了那个代码段。这是我的代码。
第一视图控制器
import UIKit
class FirstViewController: UIViewController, MyDataSendingDelegate {
var darkStatus = UserDefaults.standard.string(forKey: "dark_mode")
let defaults = UserDefaults.standard
var currentMode = UITraitCollection.current.userInterfaceStyle
@IBOutlet weak var darkModeLabel: UILabel!
override func viewDidLoad() {
super.viewDidLoad()
//print(darkStatus!)
if(darkStatus == "Light"){
overrideUserInterfaceStyle = .light
darkModeLabel.text = "Light"
} else if (darkStatus == "Dark"){
overrideUserInterfaceStyle = .dark
darkModeLabel.text = "Dark"
}else if (darkStatus == "System"){
overrideUserInterfaceStyle = .unspecified
darkModeLabel.text = "System"
}
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
}
// Delegate Method
func sendDataToFirstViewController(myData: String) {
self.darkStatus = myData
if(darkStatus == "Light"){
overrideUserInterfaceStyle = .light
currentMode = .light
darkModeLabel.text = "Light"
} else if (darkStatus == "Dark"){
overrideUserInterfaceStyle = .dark
currentMode = .dark
darkModeLabel.text = "Dark"
}else if (darkStatus == "System"){
overrideUserInterfaceStyle = .unspecified
currentMode = .unspecified
darkModeLabel.text = "System"
}
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if segue.identifier == "darkModeSegue" {
let secondVC = segue.destination as! DarkModeViewController
secondVC.delegate = self
}
}
}
DarkModeViewController
import UIKit
protocol MyDataSendingDelegate {
func sendDataToFirstViewController(myData: String)
}
class DarkModeViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
@IBOutlet weak var darkModeTable: UITableView!
var delegate: MyDataSendingDelegate? = nil
let mode = ["Light", "Dark", "System"]
let defaults = UserDefaults.standard
var completionHandler:((String) -> Int)?
override func viewDidLoad() {
super.viewDidLoad()
let darkStatus = defaults.string(forKey: "dark_mode")
if(darkStatus == "Light"){
overrideUserInterfaceStyle = .light
} else if (darkStatus == "Dark"){
overrideUserInterfaceStyle = .dark
}else if (darkStatus == "System"){
overrideUserInterfaceStyle = .unspecified
}
darkModeTable.dataSource = self
darkModeTable.delegate = self
}
// Table View Data Source method
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
// Table View Data Source method
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return mode.count
}
// Table View Data Source method
func tableView(_ tableView: UITableView,
cellForRowAt indexPath: IndexPath)
-> UITableViewCell {
var cell: UITableViewCell!
//take a cell from the queue of reusable cells
cell = tableView.dequeueReusableCell(
withIdentifier: "tableCell")
//if there are no reusable cells
if cell == nil {
// create a new cell
cell = UITableViewCell(
style: UITableViewCell.CellStyle.default,
reuseIdentifier: "tableCell")
}
// set the textLabel for the cell
cell!.textLabel!.text = mode[indexPath.row]
// initialize the checkmark based on Light/Dark/System
if (overrideUserInterfaceStyle == .light){
if (mode[indexPath.row] == "Light"){
cell.accessoryType = .checkmark
}
else{
cell.accessoryType = .none
}
}
else if (overrideUserInterfaceStyle == .dark){
if (mode[indexPath.row] == "Dark"){
cell.accessoryType = .checkmark
}
else{
cell.accessoryType = .none
}
}
else if (overrideUserInterfaceStyle == .unspecified){
if (mode[indexPath.row] == "System"){
cell.accessoryType = .checkmark
}
else{
cell.accessoryType = .none
}
}
// return the Table View Cell
return cell!
}
// Table View Delegate method
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
//clear previous stored checked indexPath
for row in 0..<tableView.numberOfRows(inSection: indexPath.section) {
if let cell = tableView.cellForRow(at: IndexPath(row: row, section: indexPath.section)) {
cell.accessoryType = row == indexPath.row ? .checkmark : .none
}
}
if(indexPath.row == 0)
{
overrideUserInterfaceStyle = .light
defaults.setValue("Light", forKey: "dark_mode")
}
else if(indexPath.row == 1)
{
overrideUserInterfaceStyle = .dark
defaults.setValue("Dark", forKey: "dark_mode")
}
else if(indexPath.row == 2)
{
overrideUserInterfaceStyle = .unspecified
defaults.setValue("System", forKey: "dark_mode")
}
let dataToBeSent = mode[indexPath.row]
self.delegate?.sendDataToFirstViewController(myData: dataToBeSent)
tableView.cellForRow(at: indexPath)?.accessoryType = .checkmark
}
func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPath) {
tableView.cellForRow(at: indexPath)?.accessoryType = .none
}
}
解决方案
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