ios – 在Swift中删除WKWebView Accesory栏

Michael DauteRMANn回答说得对,但是为了隐藏附件栏,你需要使用_NoInputAccessoryView类的inputAccessoryView()来调用UIView类的方法inputAccessoryView().我刚刚在代码中添加了几行额外的行来完成这个方法调配工作.

首先,你需要一个假类来交换

final class FauxBarHelper: NSObject {
    var inputAccessoryView: AnyObject? { return nil }
}

然后在控制器类中创建此方法

/// Removes the keyboard accessory view from the web view
/// source: https://stackoverflow.com/a/32620344/308315 / https://stackoverflow.com/a/33939584/308315
func _removeInputAccessoryView(webView: UIWebView) {
    var targetView: UIView? = nil

    for view in webView.scrollView.subviews {
        if String(describing: type(of: view)).hasPrefix("WKContent") {
            targetView = view
        }
    }

    guard let target = targetView else { return }

    let noInputAccessoryViewClassName = "\(target.superclass!)_NoInputAccessoryView"
    var newClass: AnyClass? = NSClassFromString(noInputAccessoryViewClassName)
    if newClass == nil {
        let targetClass: AnyClass = object_getClass(target)
        newClass = objc_allocateClassPair(targetClass,noInputAccessoryViewClassName.cString(using: String.Encoding.ascii)!,0)
    }

    let originalMethod = class_geTinstanceMethod(FauxBarHelper.self,#SELEctor(getter: FauxBarHelper.inputAccessoryView))
    class_addMethod(newClass!.self,#SELEctor(getter: FauxBarHelper.inputAccessoryView),method_getImplementation(originalMethod),method_getTypeEncoding(originalMethod))
    object_setClass(target,newClass)
}

HTH;)