Webview's Web page scroll area shrinks on Ios safari when redirect with keypad opened

[qkreltms]

• I have read the Getting Started section
• I have already searched for the same problem

Environment

Technology	Version
Flutter version	3.13.9
Plugin version	6.0.0-beta.22 and 6.0.0-beta.25
Android version
iOS version	16.6.1
macOS version
Xcode version	14.3

Device information: iphone 14

Description

I have page A and B
and A page has input tag in it.
B page has height like 9999px with scroll area.

When I'm at page A with input tag focused. The keypad will open.

And then when I type someting like 1234, then will be redirected to page B automatically.

Expected behavior:
webview scroll area should scrollable 0 to 9999px;

Current behavior:
webview scroll area scrollable 0 to 9999px - 300px (keypad height); * page's height is still 9999px
It seems webview dosen't calculate scrollable area properly in this case.

Steps to reproduce

Should have resizeToAvoidBottomInset: false

Scaffold(
            resizeToAvoidBottomInset: !Platform.isIOS,
            appBar: VisibleAppBar(),
            body: InAppWebView(...),
            bottomNavigationBar: const Footer()));

Redirect page A to B with keypad opened in ios

Images

Stacktrace/Logcat

[github-actions]

👋 @qkreltms

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[pichillilorenzo]

That's because you have set resizeToAvoidBottomInset to false for iOS.
If you close the keyboard, you should see the webpage.
As you can see from the Flutter official doc of Scaffold.resizeToAvoidBottomInset, you need to set it to true:

For example, if there is an onscreen keyboard displayed above the scaffold, the body can be resized to avoid overlapping the keyboard, which prevents widgets inside the body from being obscured by the keyboard.

[github-actions]

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