README.md

Introduction

Make the WkWebView zoom-in and zoom-out.

delegate.swift

// MARK: - Delegate method.
extension MyController: UIScrollViewDelegate {
    // Disable view to zoom.
    private func viewForZooming(in scrollView: UIScrollView) -> UIView? {
        return nil
    }

    // Disable double-tap view to zoom.
    private func viewForZoomingInScrollView(scrollView: UIScrollView) -> UIView? {
        return nil
    }
}