[英]How do I resolve white screen on mobile browsers for flutter web app?
我正在嘗試構建一個 flutter web 應用程序。 在 Windows 10 上本地開發時一切正常,但是當我構建和部署應用程序時,它只能在我的桌面 Chrome 瀏覽器中運行。 從 Android 或 iOS 瀏覽器訪問它會出現白屏。
flutter channel master
。flutter upgrade
。flutter config --enable-web
。flutter create mywebapp
。cd webapp
。flutter build web
。cd build\web
和 `http-server)。我做錯了什么,還是 flutter 剛剛壞了?
flutter doctor -v
output:
[√] Flutter (Channel master, 1.19.0-4.0.pre.67, on Microsoft Windows [Version 10.0.18362.836], locale en-CA)
• Flutter version 1.19.0-4.0.pre.67 at C:\_code\sdks\flutter
• Framework revision f2320c3b7a (14 hours ago), 2020-06-04 14:45:17 -0700
• Engine revision 859d892f1f
• Dart version 2.9.0 (build 2.9.0-13.0.dev 54adfeb93f)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
• Android SDK at C:\_code\sdks\android
• Platform android-29, build-tools 29.0.3
• ANDROID_HOME = C:\_code\sdks\android
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)
• All Android licenses accepted.
[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
[√] Android Studio (version 3.6)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin version 44.0.2
• Dart plugin version 192.7761
• Java version OpenJDK Runtime Environment (build 1.8.0_212-release-1586-b04)
[√] VS Code (version 1.45.1)
• VS Code at C:\Users\Brent\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.11.0
[√] Connected device (2 available)
• Web Server • web-server • web-javascript • Flutter Tools
• Chrome • chrome • web-javascript • Google Chrome 83.0.4103.97
• No issues found!
切換到beta
頻道解決了這個問題。 切換回master
后,問題沒有回來。
我還清理了我的 flutter 安裝,但它似乎沒有任何問題,所以不確定這是否有任何影響:
git clean -xfd
git pull
flutter doctor
嘗試將master
頻道更改為dev
:
flutter channel dev
flutter upgrade
flutter run -d chrome
// or flutter run -d chrome --release
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