ios - Swift - Preload other tab views from App Delegate -
so trying preload tab views app delegate save time on loading once user switching between tabs.
i have tried running in view controller
file uitabbarcontroller (specifically in viewdidload
) have had no luck. missing something?
let = self.view if let viewcontrollers = self.viewcontrollers { viewcontroller in viewcontrollers { let = viewcontroller.view } }
try instantiating view controller...
first set storyboard id of view controller
then:
let storyboard = uistoryboard(name: "main", bundle: nil) let vc = storyboard.instantiateviewcontrollerwithidentifier("someviewcontroller")
note: possible if put code in app delegate, view controller uninstantiated. if case, try putting code in first view controller.
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