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当 XLPagerTabStrip 在第一个子视图控制器中加载视图时，会从两侧留出空间，但如果我切换选项卡，那么它会根据需要获取屏幕。

这是一个模拟器的截图，便于理解：

在此处输入图像描述

切换选项卡后，它显示全角视图[如预期的那样]：

在此处输入图像描述

我的整个设置是正常的 tableview 没有做任何事情，因为它只是一个视图，这里是 XKPager 设置

    settings.style.buttonBarBackgroundColor = appBlueColor
    settings.style.buttonBarItemBackgroundColor = appBlueColor

    settings.style.selectedBarBackgroundColor = appBrownColor

    settings.style.buttonBarItemFont = UIFont.appRegularFontWith(size: 16)

    settings.style.selectedBarHeight = 4.0
    settings.style.buttonBarMinimumLineSpacing = 0

    settings.style.buttonBarItemTitleColor = .black
    settings.style.buttonBarItemsShouldFillAvailableWidth = true

    settings.style.buttonBarLeftContentInset = 0
    settings.style.buttonBarRightContentInset = 0

    changeCurrentIndexProgressive = { [weak self] (oldCell: ButtonBarViewCell?, newCell: ButtonBarViewCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) -> Void in
        guard changeCurrentIndex == true else { return }
        oldCell?.label.textColor = self?.oldCellColor
        oldCell?.label.font = UIFont.appRegularFontWith(size: 16)

        newCell?.label.textColor = .white
        newCell?.label.font = UIFont.appMediumFontWith(size: 16)
    }

   override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
    let child1 = UIStoryboard(name: "Home", bundle: nil).instantiateViewController(withIdentifier: "childViewController1")

    let child2 = UIStoryboard(name: "Home", bundle: nil).instantiateViewController(withIdentifier: "childViewController1")

    let child3 = UIStoryboard(name: "Home", bundle: nil).instantiateViewController(withIdentifier: "childViewController1")

    return [child1, child2, child3]
}

Xcode 版本：11.2.1
swift 版本：5
ios 部署目标：10.0
XLPager 已更新

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