我正面临着Ffltter Android 12+版本的问题.使用Ffltter http插件(版本:0.13.5)使用应用程序的REST API调用.所有API调用都是带有域名的HTTPS服务调用.API调用需要10秒以上的时间来提供响应,而在移动数据网络中,相同的API调用只需要不到1秒的时间.与我try 使用Java客户端和Postman进行的API调用相同,所有响应都只需不到一秒的时间即可获得响应.
在故障排除期间,我使用Wifi Network测试了以下场景
- 我不是使用域,而是使用IP地址执行API服务调用,这只用了不到一秒钟的时间(在HTTP插件中禁用了SSL验证)
- 使用连接保持活动测试API调用:True,那么第一个调用花费了10+s,随后的调用只花费了不到一秒
- 一个有趣的事实是,我只在Android 12+上遇到了问题,Android 11设备可以在WiFi网络上工作,而且只用了不到一秒的时间就打完了服务电话.
现在我明白了,基于Wifi的应用编程接口调用总是花费10秒+实际的服务调用时间(例如400ms,因此应该是10.400秒).
这个问题有没有具体的原因?
flutter doctor -v
[√] Flutter (Channel stable, 3.3.6, on Microsoft Windows [Version 10.0.22000.1219], locale en-US)
• Flutter version 3.3.6 on channel stable at C:\Applns\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 6928314d50 (6 weeks ago), 2022-10-25 16:34:41 -0400
• Engine revision 3ad69d7be3
• Dart version 2.18.2
• DevTools version 2.15.0
[!] Android toolchain - develop for Android devices (Android SDK version 32.1.0-rc1)
• Android SDK at C:\Users\Siju\AppData\Local\Android\sdk
X cmdline-tools component is missing
Run `path/to/sdkmanager --install "cmdline-tools;latest"`
See https://developer.android.com/studio/command-line for more details.
X Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.
[√] Chrome - develop for the web
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe
[√] Visual Studio - develop for Windows (Visual Studio Community 2022 17.4.1)
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.4.33110.190
• Windows 10 SDK version 10.0.22000.0
[√] Android Studio (version 2021.2)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.12+7-b1504.28-7817840)
[√] Connected device (4 available)
• 2201116SI (mobile) • b75ac32a6d34 • android-arm64 • Android 12 (API 31)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.22000.1219]
• Chrome (web) • chrome • web-javascript • Google Chrome 107.0.5304.123
• Edge (web) • edge • web-javascript • Microsoft Edge 107.0.1418.62
[√] HTTP Host Availability
• All required HTTP hosts are available