../../.pub-cache/hosted/pub.flutter-io.cn/flutter_svg-0.14.4/lib/src/picture_stream.dart:92:3: Error: The superclass, 'Diagnosticable', has no unnamed constructor that takes no arguments.
PictureStream();
^^^^^^^^^^^^^
../../.pub-cache/hosted/pub.flutter-io.cn/flutter_svg-0.14.4/lib/src/picture_stream.dart:192:16: Error: The superclass, 'Diagnosticable', has no unnamed constructor that takes no arguments.
abstract class PictureStreamCompleter extends Diagnosticable {
^
FAILURE: Build failed with an exception.
Where:
Script '**flutter/packages/flutter_tools/gradle/flutter.gradle' line: 896What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
Process 'command '**/flutter/bin/flutter'' finished with non-zero exit value 1
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.Get more help at https://help.gradle.org
解决办法
flutter pub upgrade
