Question

这个问题已经被提前3次问过Swift 4我觉得我有类似的问题。

我的UIPopoverPresentationController在纵向+横向中显示为全窗口弹出窗口，添加.None并不能解决问题。我通过xcode使用iPhone 6作为模拟器。

这就是我所拥有的：

@objcMembers class ViewController: UITableViewController, UIGestureRecognizerDelegate, UIPopoverPresentationControllerDelegate {

    func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
    if segue.identifier == "settingsPopoverSegue" {

        let buttonItemView = settingsButton.value(forKey: "view")
        let viewForSource = (buttonItemView as! UIView)
        popoverPresentationController?.sourceView = viewForSource

        let popoverViewController = segue.destination
        popoverViewController.popoverPresentationController!.delegate = self
        popoverViewController.modalPresentationStyle = UIModalPresentationStyle.popover

        popoverViewController.popoverPresentationController?.sourceRect = CGRect(x: view.center.x, y: view.center.y, width: 0, height: 0)
        popoverViewController.popoverPresentationController?.permittedArrowDirections = UIPopoverArrowDirection(rawValue: 0)
    }
}

    func adaptivePresentationStyleForPresentationController(controller: UIPresentationController) -> UIModalPresentationStyle {

        return UIModalPresentationStyle.none
    }
}

我将从故事板上的uibarbutton连接到popoverViewController的segue。

上面更新的代码 - 好吧，所以我添加了一个sourceView，但是popover仍在全屏滑动。我仍然必须遗漏一些东西。有什么想法吗？

第二次更新：将其置于设置按钮的操作中，iphone仍显示为全屏：

@IBAction func settingsTapped(segue: UIStoryboardSegue, sender: UIBarButtonItem) {

    if segue.identifier == "settingsPopoverSegue" {

        let buttonItemView = settingsButton.value(forKey: "view")
        let viewForSource = (buttonItemView as! UIView)
        popoverPresentationController?.sourceView = viewForSource

        let popoverViewController = segue.destination
        popoverViewController.popoverPresentationController!.delegate = self
        popoverViewController.modalPresentationStyle = UIModalPresentationStyle.popover

        popoverViewController.popoverPresentationController?.sourceRect = CGRect(x: view.center.x, y: view.center.y, width: 0, height: 0)
        popoverViewController.popoverPresentationController?.permittedArrowDirections = UIPopoverArrowDirection(rawValue: 0)
    }
}

Answer 1

请给一个源矩形打开它。如果要从特定点打开它，请提供源视图。

 let buttonItemView = YourBarButtonItem.value(forKey: "view")
 et buttonItem = (buttonItemView as! UIView)
 popoverPresentationController?.sourceRect = Your Rect
 popoverPresentationController?.sourceView = buttonItem

UIPopoverPresentationController显示为全窗口弹出窗口

1 个答案: