loading a long html, it will make app freeze

[yihuds]

when we load a HTML with long content, app will become freeze and then killed by iOS system.

[nnhubbard]

This sounds like an issue with WKWebView.

[101airborne]

I had a similar issue. I found that HTML with a lot of formatting appeared to hang my mac catalyst app, but found it was actually just taking an extremely long time. On debugging the issue I found that the culprit was CYRTextView.h/m which is a subclass of UITextView. It is the class used for the text view of the HTML, sourceView. My local fix was to make sourceView's class UITextView instead of CYRTextView.

//
// ZSSTextView.h
// ZSSRichTextEditor
//
// Created by Nicholas Hubbard on 1/29/14.
// Copyright (c) 2014 Zed Said Studio. All rights reserved.
//

#import "CYRTextView.h"

// Fix Issue #10 - "Extremely slow opening note copied/pasted from
// web page". Eliminate the syntax formatting of the HTML that was
// causing the very slow note loading. Remove CYRTextView subclassing
// of UITextView. The "Show Source" tool will now display unformatted,
// unsyntaxed HTML.
//@interface ZSSTextView : CYRTextView
@interface ZSSTextView : UITextView

@Property (nonatomic, strong) UIFont *defaultFont;
@Property (nonatomic, strong) UIFont *boldFont;
@Property (nonatomic, strong) UIFont *italicFont;

@EnD