打开 SWRevealController 菜单后如何使视图不可见 - Swift

Question

我目前正在努力做到这一点，以便当用户使用我的应用程序时，用户将看到一个动画视图，上面写着，"Slide Left to Bring out Menu!"我希望在用户向左滑动到拿出菜单。

这里有一些 screenshots/diagrams 说明了我的意思：

我尝试了一些在互联网上查找的代码，例如（animView 是包含标签的视图，"Slide Left to Bring Out Menu"），但是这个解决方案不起作用：

if (self.revealViewController().frontViewPosition != FrontViewPosition.left) {

        animView.isHidden = true

    }
    else if (self.revealViewController().frontViewPosition == FrontViewPosition.left){
        animView.isHidden = false
    }

编辑：我已经尝试了下面评论中提出的解决方案，但是我不确定如何使用它。以下是我尝试过的：

func revealController(revealController: SWRevealViewController!, didMoveToPosition position: FrontViewPosition) {
        switch(position){
        case FrontViewPosition.leftSideMost: break

            animView.isHidden = true


        default:
            break
        }
    }

CLASS 中的完整代码与 ANIMVIEW

import Foundation
import UIKit
import SVProgressHUD
import Canvas

class WebViewHome: UIViewController, UIWebViewDelegate, SWRevealViewControllerDelegate{


@IBOutlet weak var WebViewTst: UIWebView!
@IBOutlet weak var animView: CSAnimationView!

override func viewDidLoad() {
    super.viewDidLoad()

    self.navigationController?.navigationBar.topItem!.title = "Home"

    let URL = NSURL(string: "https://gunnoracle.com/")
    WebViewTst.loadRequest(NSURLRequest(url: URL! as URL) as URLRequest)

    let topSpace = -190
    let bottomSpace = -3045
    let leftSpace = -40
    let rightSpace = -40
    WebViewTst.scrollView.contentInset = UIEdgeInsets(top: CGFloat(topSpace), left: CGFloat(leftSpace), bottom: CGFloat(bottomSpace), right: CGFloat(rightSpace))
    WebViewTst.scrollView.bounces = false

    WebViewTst.scrollView.maximumZoomScale = 1.0
    WebViewTst.scrollView.minimumZoomScale = 1.0

    WebViewTst.delegate = self



}

private func revealController(revealController: SWRevealViewController!, didMoveToPosition position: FrontViewPosition) {

    if (revealController.frontViewPosition == FrontViewPosition.leftSide){




    }

    else{


    }


}
func webView(_ webView: UIWebView, shouldStartLoadWith request: URLRequest, navigationType: UIWebViewNavigationType) -> Bool {

    switch navigationType {

    case .linkClicked:

        let topSpace = -170
        let bottomSpace = -2840
        let leftSpace = -40
        let rightSpace = -40

        animView.startCanvasAnimation()
        WebViewTst.scrollView.contentInset = UIEdgeInsets(top: CGFloat(topSpace), left: CGFloat(leftSpace), bottom: CGFloat(bottomSpace), right: CGFloat(rightSpace))
        WebViewTst.scrollView.bounces = false

        WebViewTst.scrollView.maximumZoomScale = 1.0
        WebViewTst.scrollView.minimumZoomScale = 1.0

        WebViewTst.delegate = self

    default:
        break
    }
    return true
}

func webViewDidStartLoad(_ webView: UIWebView) {

    SVProgressHUD.show(withStatus: "Loading...")
    SVProgressHUD.setDefaultStyle(SVProgressHUDStyle.dark)
    SVProgressHUD.setRingThickness(1.0)
    NSLog("Webview has started loading")
}

func webViewDidFinishLoad(_ webView: UIWebView) {
    SVProgressHUD.dismiss()
    NSLog("Webview has successfully loaded")
}

override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
}

}

Answer 1

因为第一次显示标签（第一个问题）:

您可以使用 SWreveal 的 didMoveToPosition 方法来识别用户是否滑动了菜单。并检查是否 revealController.frontViewPosition == FrontViewPositionRight 然后隐藏标签并在 SQLite 中保存一条记录，该记录表明用户已经滑动了 left-side 菜单。并在ViewDidLoad或ViewWillAppear中用SQLite记录检查标签是否需要显示。您可以使用 FMDB：github.com/ccgus/fmdb

对于UILabel位置（第二题）：

应该是2个子视图（webview是第一个子视图，label是另一个子视图）。您可以在 whosebug.com/questions/4631878/

中学习

记住:

首先,不要private委托不能[=52的revealController函数=] 添加 SWRevealViewControllerDelegate

其次，你忘了把self.revealViewController().delegate = self放在ViewDidAppear

打开 SWRevealController 菜单后如何使视图不可见 - Swift

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