“NSURL”不能隐式转换为“URL”;你的意思是使用“as”来明确转换？在迅速3

Question

func application(application: UIApplication, openURL url: NSURL, sourceApplication: String?, annotation: AnyObject) -> Bool
{
    return FBSDKApplicationDelegate.sharedInstance().application(application, openURL: url, sourceApplication: sourceApplication, annotation: annotation)
}

Answer 1

在 swift 3.0 中，openURL的方法签名为：

func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {

            return FBSDKApplicationDelegate.sharedInstance().application(applic‌​ation, open: url, sourceApplication: sourceApplication, annotation: annotation)
    }

在方法签名中，NSURL更改为URL。