Ошибка Flutter: библиотека Dart «dart:ui» недоступна на этой платформе. ⇐ Android

[Anonymous]

Код: Выделить всё

[Running] dart "c:\Users\PC\AndroidStudioProjects\FlutterXD\lib\main.dart"
../../Documents/FlutterDev/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;
^
Context: The unavailable library 'dart:ui' is imported through these packages:

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

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

package:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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:flutterxd/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
package:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/memory_allocations.dart => dart:ui
package:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart =>  package:flutter/foundation.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:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/foundation.dart => package:flutter/src/foundation/memory_allocations.dart => package:flutter/src/foundation/diagnostics.dart => package:flutter/src/foundation/debug.dart => dart:ui
package:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/scheduler.dart => package:flutter/src/scheduler/binding.dart => dart:ui
package:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/scheduler.dart => package:flutter/src/scheduler/binding.dart => package:flutter/src/scheduler/priority.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:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/scheduler.dart => package:flutter/src/scheduler/binding.dart => package:flutter/src/scheduler/priority.dart => package:flutter/foundation.dart => package:flutter/src/foundation/binding.dart => dart:ui
package:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/scheduler.dart => package:flutter/src/scheduler/binding.dart => package:flutter/src/scheduler/priority.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:flutterxd/main.dart => package:flutter/material.dart => package:flutter/src/material/about.dart => package:flutter/scheduler.dart => package:flutter/src/scheduler/binding.dart => package:flutter/src/scheduler/priority.dart => package:flutter/foundation.dart => package:flutter/src/foundation/binding.dart => package:flutter/src/foundation/debug.dart => dart:ui
...

../../Documents/FlutterDev/flutter/packages/flutter/lib/src/material/animated_icons.dart:10:8: Error: Dart library 'dart:ui' is not available on this platform.
import 'dart:ui' show lerpDouble;
^
../../Documents/FlutterDev/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;
^
../../Documents/FlutterDev/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;
^
../../Documents/FlutterDev/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;
^
../../Documents/FlutterDev/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;
^
../../Documents/FlutterDev/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;
^
../../Documents/FlutterDev/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;
^
../../Documents/FlutterDev/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;
^

[Done] exited with code=254 in 13.502 seconds

НИЧЕГО, я ничего не пробовал

Подробнее здесь: https://stackoverflow.com/questions/753 ... s-platform