Annotations need to be imported Adding at the top of your file import ‘package:flutter/foundation.dart’; should fix it. Annotations the DartAnalyzer understands are provided by the meta package. To make it easier for Flutter developers, the Flutter team decided to add the meta package to the Flutter SDK and re-export it in flutter/foundation.dart. The annotations by … Read more
It’s true that two modules cannot, ordinarily, define types in the same package. Until recently, putting jsr305.jar on the class path of a JDK 9 build would have no effect: That JAR file defines types in the javax.annotation package but that package is defined in the platform’s built-in java.xml.ws.annotation module, and the latter takes precedence. Owing … Read more
The slow startup is caused because every single class file in every single JAR file in /WEB-INF/lib is also scanned for Servlet 3.0 specific annotations. You apparently have a lot of (large) JAR files in /WEB-INF/lib. The metadata-complete=”true” indicates that the JAR files in /WEB-INF/lib doesn’t need to be scanned for Servlet 3.0 specific annotations, … Read more
Strange thing, but this question comes in search before the same with right answer Copying it here: import android.support.annotation.IntDef public class Test { companion object { @IntDef(SLOW, NORMAL, FAST) @Retention(AnnotationRetention.SOURCE) annotation class Speed const val SLOW = 0 const val NORMAL = 1 const val FAST = 2 } @Speed private var speed: Int=SLOW public … Read more