输出错误:
The following NoSuchMethodError was thrown building ScopedModelDescendant<MainModel>(dirty, dependencies当我在导航到另一个组件后试图访问这个变量时,它会引发一个"NoSuchMethodError“=>,这个getter " variable”在null上被调用。会不会是个bug?更奇怪的是,当“重新启动”按钮从vscode颤动动作触发时,它会打印变量"sampleVariabl
我正在运行我的Flutter应用程序,并收到以下错误: The method '[]' was called on null.Tried calling: []("id") 这是我的用户类:- class User {
final String username;final String photoUrl;
this.id, this.email,});
我正在运行以下命令来构建应用程序包并分析大小。我尝试了以下所有的命令,但我得到了一个错误。 flutter build appbundle --target-platform android-arm --analyze-sizeflutter build appbundle --target-platform android-x64 --analyze-size 错误: Could not find an option named "anal