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谷歌自动工厂：没有使用@Provided进行注释？

javaandroidguicedagger
5

我是一名有用的助手，可以为您进行文本翻译。

我正在尝试使用Google自动工厂，但出现了奇怪的错误。

工厂类：

@AutoFactory(
    className = "MembersAdapterFactoryImpl"
)
public class MembersAdapter extends ArrayAdapter<Member> {

    /**
     * Get an instance of the helper
     */
    private MembersAdapterHelper mMembersAdapterHelper;

    public MembersAdapter(@Provided MembersAdapterHelper membersAdapterHelper,
                          Context context,
                          int resource,
                          List<Member> members){
        super(context, resource, members);
        mMembersAdapterHelper = membersAdapterHelper;
    }
}

生成的类：

package me.magneto.groups.adapters;

import javax.annotation.Generated;
import javax.inject.Inject;
import javax.inject.Provider;
@Generated("com.google.auto.factory.processor.AutoFactoryProcessor")
public final class MembersAdapterFactoryImpl {
  private final Provider<MembersAdapterHelper> membersAdapterHelperProvider;
  @Inject
  public MembersAdapterFactoryImpl(Provider<MembersAdapterHelper> membersAdapterHelperProvider) {
    this.membersAdapterHelperProvider = membersAdapterHelperProvider;
  }
  public MembersAdapter create(android.content.Context context, int resource, java.util.List<me.magneto.groups.models.group.Member> members) {
    return new MembersAdapter(membersAdapterHelperProvider.get(), context, resource, members);
  }
}

看起来完全没有问题，但我却遇到了这个异常。

/Users/amchang/Development/projects/hedonismbot/groups/build/intermediates/classes/development/debug/me/magneto/groups/adapters/MembersAdapterFactoryImpl.java
Error:(3, 24) error: package javax.annotation does not exist
Error:(6, 2) error: cannot find symbol class Generated
Error:(7, 14) error: @Inject is not valid on a class: me.magneto.groups.adapters.MembersAdapterFactoryImpl
Error:Failed to process @AutoFactory annotations:
  java.lang.IllegalArgumentException: me.magneto.groups.adapters.MembersAdapterFactoryImpl not annoated with @Provided
    at com.google.common.base.Preconditions.checkArgument(Preconditions.java:148)
    at com.google.auto.factory.processor.ProvidedChecker.checkProvidedParameter(ProvidedChecker.java:39)
    at com.google.auto.factory.processor.AutoFactoryProcessor.doProcess(AutoFactoryProcessor.java:92)
    at com.google.auto.factory.processor.AutoFactoryProcessor.process(AutoFactoryProcessor.java:82)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.callProcessor(JavacProcessingEnvironment.java:794)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:705)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.access$1800(JavacProcessingEnvironment.java:91)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.run(JavacProcessingEnvironment.java:1035)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1176)
    at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1173)
    at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:859)
    at com.sun.tools.javac.main.Main.compile(Main.java:523)
    at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129)
    at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138)
    at org.gradle.api.internal.tasks.compile.jdk6.Jdk6JavaCompiler.execute(Jdk6JavaCompiler.java:45)
    at org.gradle.api.internal.tasks.compile.jdk6.Jdk6JavaCompiler.execute(Jdk6JavaCompiler.java:38)
    at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:96)
    at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:49)
    at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:35)
    at org.gradle.api.internal.tasks.compile.DelegatingJavaCompiler.execute(DelegatingJavaCompiler.java:29)
    at org.gradle.api.internal.tasks.compile.DelegatingJavaCompiler.execute(DelegatingJavaCompiler.java:20)
    at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:33)
    at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:24)
    at org.gradle.api.tasks.compile.Compile.performCompilation(Compile.java:165)
    at org.gradle.api.tasks.compile.Compile.compile(Compile.java:153)
    at org.gradle.api.tasks.compile.Compile.compile(Compile.java:87)
    at sun.reflect.GeneratedMethodAccessor1416.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:63)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.doExecute(AnnotationProcessingTaskFactory.java:236)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:212)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.execute(AnnotationProcessingTaskFactory.java:223)
    at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:201)
    at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:533)
    at org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:516)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
    at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
    at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
    at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
    at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
    at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42)
    at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
    at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
    at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
    at org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:289)
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79)
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63)
    at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51)
    at org.gradle.execution.taskgraph.ParallelTaskPlanExecutor.process(ParallelTaskPlanExecutor.java:51)
    at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:86)
    at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:29)
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
    at org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
    at org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:67)
    at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:61)
    at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:54)
    at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:166)
    at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:113)
    at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:81)
    at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:64)
    at org.gradle.tooling.internal.provider.BuildModelAction.run(BuildModelAction.java:76)
    at org.gradle.tooling.internal.provider.BuildModelAction.run(BuildModelAction.java:31)
    at org.gradle.tooling.internal.provider.ConfiguringBuildAction.run(ConfiguringBuildAction.java:150)
    at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:35)
    at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:45)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:42)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:24)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.StartStopIfBuildAndStop.execute(StartStopIfBuildAndStop.java:33)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.ReturnResult.execute(ReturnResult.java:34)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:71)
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:69)
    at org.gradle.util.Swapper.swap(Swapper.java:38)
    at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:69)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:60)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:45)
    at org.gradle.launcher.daemon.server.DaemonStateCoordinator.runCommand(DaemonStateCoordinator.java:186)
    at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy.doBuild(StartBuildOrRespondWithBusy.java:49)
    at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.HandleStop.execute(HandleStop.java:36)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.DaemonHygieneAction.execute(DaemonHygieneAction.java:39)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.CatchAndForwardDaemonFailure.execute(CatchAndForwardDaemonFailure.java:32)
    at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:125)
    at org.gradle.launcher.daemon.server.exec.DefaultDaemonCommandExecuter.executeCommand(DefaultDaemonCommandExecuter.java:51)
    at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.handleCommand(DefaultIncomingConnectionHandler.java:155)
    at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.receiveAndHandleCommand(DefaultIncomingConnectionHandler.java:128)
    at org.gradle.launcher.daemon.server.DefaultIncomingConnectionHandler$ConnectionWorker.run(DefaultIncomingConnectionHandler.java:116)
    at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
Error:Execution failed for task ':groups:compileDevelopmentDebugJava'.
> Compilation failed; see the compiler error output for details.

我在我的Android Gradle文件中将这个列为一个编译：
// factories
compile 'com.google.auto.factory:auto-factory:0.1-beta1'

// dagger
compile 'com.squareup.dagger:dagger:1.2.0'
provided 'com.squareup.dagger:dagger-compiler:1.2.0'

有什么线索可以解释编译器为什么会抱怨吗？
你有用到Proguard吗？ - Miguel
不，我实际上已经弄清楚了（开发版本的非pro guard导致了崩溃），我会为此写一个答案。 - adrian
1个回答
17

问题似乎主要与注解处理、dagger和缺少javax jars有关。

我应该感谢Github上的cypressious，他发布了他的gradle build.gradle文件，救命稻草。

https://github.com/evant/gradle-retrolambda/issues/31

  1. 你需要使用

    (i) 使用Dagger 2.0，依赖问题仍然存在，但你不需要任何apt。所以跳到步骤3。

    apply plugin: 'com.neenbedankt.android-apt'

  2. 看起来在依赖项中使用“provided”将无法与Google自动工厂一起使用，需要改为使用“apt”插件来代替依赖项。这包括dagger（如果您正在使用它，我假设是这样的），结果类似于：

    apt 'com.google.auto.factory:auto-factory:0.1-beta1'
compile 'com.google.auto.factory:auto-factory:0.1-beta1'

compile 'com.squareup.dagger:dagger:1.2.0'
apt 'com.squareup.dagger:dagger-compiler:1.2.0'

    现在有另一个大问题，Dagger 1.2.1 / 1.2.2不支持，所以我最终使用了Dagger 1.2.0。

  3. 最后一步是将此项添加到您的依赖项中：

    compile 'javax.annotation:jsr250-api:1.0'

    看起来生成的注释不包括在Java8的一部分中？我不确定这一点，或者Gradle默认情况下是否将'Generated'注释作为注释处理的一部分包含在内。

无论如何，在执行这三个步骤后，Google Auto Factory似乎已经可以在我的项目中使用。

我正在从android-apt转换到kotlin-kapt，并遇到了这个问题，将javax.annotation:jsr250依赖项添加到项目中帮助我解决了这个问题。 - Miguel Beltran
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