int i = await DatabaseHelper.instance.insert( DatabaseHelper.colName是一个单例类-通过SQFlite用于字符串数据表。Complete_Error:错误:没有为类'_MyCustomFormState‘定义getter 'DatabaseHelper’。- '_<em
.pub-cache/hosted/pub.dartlang.org/dart_style-1.3.14/lib/src/source_visitor.dart:302:16: Error: The getterTry correcting the name to the name of an existing getter, or defining a getter or field named 'typeArguments
flutter/.pub-cache/hosted/pub.dartlang.org/convex_bottom_bar-2.6.0/lib/src/stack.dart:43:25: Error: The getterTry correcting the name to the name of an existing getter, or defining a getter or field named 'ClipBehaviorflutter/.p
我从一个干净的请求创建了一个代理,然后设置了一些属性。它对其中一些人有效,但对于其他人,我得到了一个IllegalArgumentException。 MyProxy my = myRequest.create(MyProxy.class);我在com.google.web.bindery.event.shared.SimpleEventBus.doFire()中得到了java.lang.IllegalArgument
/flutter/flutter/.pub-cache/hosted/pub.dartlang.org/retry-3.0.1/lib/retry.dart:131:16: Error: The getterTry correcting the name to the name of an existing getter, or defining a getter or field named 'Pestawait