第 1 步:在您的初始视图控制器中执行此操作,
class initialViewController: UIViewController {
override func viewWillAppear(_ animated: Bool) {
self.loadMainView(viewControllerArray: self.setMainViewTabParameters())
}
func setMainViewTabParameters() -> NSMutableArray {
let viewControllerArray = NSMutableArray()
var tabArray = ["Tab1", "Tab2", "Tab3", "Tab4", "Tab5", "Tab6", "Tab7"]
var tabIndex = NSInteger()
for item in tabArray {
let tabString = tabArray[tabIndex]
let tabview = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "YourTabControllerIdentifier") as! YourTabController
tabview.tabHeadingTitle = tabString as NSString
viewControllerArray.add(tabview)
tabIndex = tabIndex + 1
}
return viewControllerArray
}
func loadMainView(viewControllerArray : NSMutableArray) -> Void {
let mainView = self.storyboard?.instantiateViewController(withIdentifier: "YourMainControllerIdentifier") as! YourMainController
mainView.viewControllerList = viewControllerArray
self.navigationController?.pushViewController(mainView, animated: false)
}
}
第2步:
class YourMainController: ButtonBarPagerTabStripViewController {
var viewControllerList = NSArray()
var isReload = false
//MARK: - PagerTabStripDataSource
override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
guard isReload else {
return viewControllerList as! [UIViewController]
}
var childViewControllers = viewControllerList as! [UIViewController]
for (index, _) in childViewControllers.enumerated(){
let nElements = childViewControllers.count - index
let n = (Int(arc4random()) % nElements) + index
if n != index{
swap(&childViewControllers[index], &childViewControllers[n])
}
}
let nItems = 1 + (arc4random() % 8)
return Array(childViewControllers.prefix(Int(nItems)))
}
override func reloadPagerTabStripView() {
isReload = true
if arc4random() % 2 == 0 {
pagerBehaviour = .progressive(skipIntermediateViewControllers: arc4random() % 2 == 0, elasticIndicatorLimit: arc4random() % 2 == 0 )
} else {
pagerBehaviour = .common(skipIntermediateViewControllers: arc4random() % 2 == 0)
}
super.reloadPagerTabStripView()
}
}
第 3 步:您的选项卡视图控制器:
class YourTabController: UIViewController, IndicatorInfoProvider {
var tabHeadingTitle = NSString()
// MARK: - Top Tab Bar Method - IndicatorInfoProvider
func indicatorInfo(for pagerTabStripController: PagerTabStripViewController) -> IndicatorInfo {
return IndicatorInfo(title: tabHeadingTitle as String)
}
}