Record WebView shows another empty pit

Problem description

In today's app use webView Load web page . Suddenly, it can't be loaded .webView.getUrl() Can get what I want to load Url. But it just doesn't show the page I want to load . It can be displayed on the browser

Solutions

1. Because I have encountered similar problems before , It's a certificate problem , So I'll see if the last solution can solve .

Pictured

There is something wrong with the certificate , Select continue loading .

however , Still not solved

2. All kinds of Baidu , Try various schemes

such as

mWebSettings.setDomStorageEnabled(true);// Open the local DOM Storage 

I thought it was html The page is too big , So I started the local DOM Storage try . But not yet
So I wanted to see if the cache was ok

mWebSettings.setAppCacheEnabled(true);// Whether to use cache 

It turns out not

3. Calm down again , To analyze problems .

my webView The first time it can be opened , But another page opens （ It's also webView） after （ Another page can also be opened ）, Open the first one again webView, You can't load it . I have an idea , I wonder if it's time to open another page ,webView Not destroyed ？
Because in the company webView It uses its own encapsulated tool class , Some steps may have been missed .
I'll find the source code , Sure enough ！
So I added two lines . Pictured

When the user clicks back , Manually destroyed webView, At the same time, in the return event , Also destroyed , Pictured

Then follow the previous steps .
Open another page first , Then open the page I originally wanted to open , Found that you can open . Problem solving ！