ios - Using an enum to execute a function? -


i want call function in viewdidload() in view controller set behavior of view controller's status bar. want status bar have 3 behavioral states: regular, stay light, stay dark.

// view controller view did load override func viewdidload() {     super.viewdidload()      // status bar behavior     // call function     setneedsstatusbarappearanceupdate()  }

i don't have experience enums please tell me how accomplish i'm trying accomplish. ultimately, want call 1 function in viewdidload() depending on behavior of status bar want view controller (regular, stay light, stay dark).

enum statusbarbehavior {      case regular     case staylight     case staydark      func statusbar() {          switch self {          // changes status bar depending on variable         case .regular:             if nighttime == true {                 uiapplication.shared.statusbarstyle = .lightcontent             } else {                 uiapplication.shared.statusbarstyle = .default             }          // permanently keeps status bar light         case .staylight:             uiapplication.shared.statusbarstyle = .lightcontent          // permanently keeps status bar dark         case .staydark:             uiapplication.shared.statusbarstyle = .default          }      }  }

all appreciated.

change enum function statusbar() return status bar style:

enum statusbarbehavior {     case regular     case staylight     case staydark      func statusbar() -> uistatusbarstyle {         switch self {          // changes status bar depending on variable         case .regular:             if nighttime == true {                 return .lightcontent             } else {                 return .default             }          // permanently keeps status bar light         case .staylight:             return .lightcontent          // permanently keeps status bar dark         case .staydark:             return .default         }     } }

create property store enum value desire:

var statusbarbehavior = statusbarbehavior.regular

override following property in view controller:

override var preferredstatusbarstyle: uistatusbarstyle {      return statusbarbehavior.statusbar() }

whenever status bar behavior should change, set statusbarbehavior value .regular, .staylight, or .staydark , call setneedsstatusbarappearance() update.

also, if have not done so, you'll need set view controller-based status bar appearance key in info.plist file yes.


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