小编jac*_*avo的帖子

我正在尝试禁用wkWebView中的链接加载,所以我正在使用decisionPolicyForNavigationAction,但我的应用程序给了我这个错误:

终止应用程序由于未捕获的异常"NSInternalInconsistencyException"的原因:"完成处理程序传递给 - [视图控制器webView的:decidePolicyForNavigationAction:decisionHandler:]不叫"

这是给我这个错误的简化代码:

import UIKit
import WebKit

class ViewController: UIViewController, WKNavigationDelegate {

    var webView: WKWebView

    required init?(coder aDecoder: NSCoder) {
        let config = WKWebViewConfiguration()
        self.webView = WKWebView(frame: CGRectZero, configuration: config)
        super.init(coder: aDecoder)
        self.webView.navigationDelegate = self
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.

        view.insertSubview(webView, atIndex: 1)
        webView.translatesAutoresizingMaskIntoConstraints = false
        let height = NSLayoutConstraint(item: webView, attribute: .Height, relatedBy: .Equal, toItem: view, attribute: .Height, multiplier: 1, constant: -44)
        let …