The application must have a host view since the keyboard client must be part of the responder chain to function. The host view controller is (null)

[jihengcong]

请描述遇到的问题，以及您所期望的正确的结果

iOS混编模式下会偶现The host view controller is (null)

请说明如何操作会遇到上述问题

正常打开页面、关闭页面操作

在下面填入关键复现代码

[✓] Flutter (Channel stable, 3.0.5, on macOS 13.6 22G120 darwin-arm, locale
zh-Hans-CN)
Checking Android licenses is taking an unexpectedly long time...[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 15.0.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2020.3)
[✓] VS Code (version 1.66.2)
[✓] Connected device (3 available)
[✓] HTTP Host Availability

• No issues found!

复现的平台

iOS

Flutter SDK版本

3.0.5

FlutterBoost版本

4.2.0

是否延迟初始化FlutterBoost

No

解决方案

[lihanst]

页面关闭前需要先关闭键盘。https://juejin.cn/post/7324535599657091123