我这点击运行全是错误

来源:3-4 如何在Windows电脑上搭建Flutter开发环境?

热爱编程学习

2024-11-13

/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/animated_icons.dart:9:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' as ui show Canvas, Paint, Path, lerpDouble;
       ^
Context: The unavailable library 'dart:ui' is imported through these packages:

    package:flutter_11 => package:flutter => dart:ui
    ...

Detailed import paths for (some of) the these imports:

    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/binding.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/binding.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/binding.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/binding.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/memory_allocations.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/memory_allocations.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/memory_allocations.dart => package:flutter/src/foundation/assertions.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/memory_allocations.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/change_notifier.dart => package:flutter/src/foundation/memory_allocations.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/key.dart => package:flutter/src/foundation/diagnostics.dart => dart:ui
    package:flutter_11/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/key.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
    ...

/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/app.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' as ui;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/app_bar_theme.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/arc.dart:6:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/badge_theme.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/banner_theme.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/bottom_app_bar_theme.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/bottom_navigation_bar_theme.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
/C:/flutter_windows_3.24.4-stable/flutter/packages/flutter/lib/src/material/bottom_sheet_theme.dart:5:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
       ^
写回答

2回答

CrazyCodeBoy

2024-11-15

新建一个flutter项目然后运行试试看是不是项目运行的问题
0
0

CrazyCodeBoy

2024-11-13

用flutter doctor检查下环境是否有配置成功
0
1
热爱编程学习
Doctor summary (to see all details, run flutter doctor -v): [√] Flutter (Channel stable, 3.24.4, on Microsoft Windows [版本 10.0.19045.4529], locale zh-CN) [√] Windows Version (Installed version of Windows is version 10 or higher) [!] Android toolchain - develop for Android devices (Android SDK version 29.0.3) 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/to/windows-android-setup for more details. [√] Chrome - develop for the web [X] Visual Studio - develop Windows apps X Visual Studio not installed; this is necessary to develop Windows apps. Download at https://visualstudio.microsoft.com/downloads/. Please install the "Desktop development with C++" workload, including all of its default components [√] Android Studio (version 2024.2) [√] Connected device (3 available) [!] Network resources X A network error occurred while checking "https://maven.google.com/": 信号灯超时时间已到
2024-11-14
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