ipad - How to to determinate in Swift the current width of the app when in Split View? -

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edit: have project row of buttons on top on it. buttons 5 in compact view , 6 in regular view. remove button when app runs in 1/3 split view. how can determine width of app?

i'm using code determinate current width of app when in split view (multitasking):

    override func viewwilltransitiontosize(size: cgsize, withtransitioncoordinator coordinator: uiviewcontrollertransitioncoordinator) {          // works it's deprecated:         let currentwidth = uiscreen.mainscreen().applicationframe.size.width          print(currentwidth)     }

it works, unfortunately applicationframe deprecated in ios 9, i'm trying replace this:

    override func viewwilltransitiontosize(size: cgsize, withtransitioncoordinator coordinator: uiviewcontrollertransitioncoordinator) {          // gives width of screen not width of app:         let currentwidth = uiscreen.mainscreen().bounds.size.width          print(currentwidth)     }

the problem first statement gives effective width of app , it's fine, instead second one, gives width of screen, can't use learn real width of app when in split view.

would know code necessary replace deprecated statement?

let currentwidth = uiscreen.mainscreen().applicationframe.size.width // deprecated

you can size of parent view.

let currentsize = self.view.bounds.width

that return width accurately in split view.

you can determine whether show or hide button.

let totalbuttonwidth: int b in self.collectionview.uiviews{     let totalbuttonwidth += b.frame.width + 20 //where '20' gap between buttons }  if (currentsize < totalbuttonwidth){     self.collectionview.subviews[self.collectionview.subviews.count].removefromsuperview() }else{     self.collectionview.addsubview(buttonviewtoadd) }

something that, think can idea.


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