Android - 使用 gradle 3.2.1 构建数据绑定和 kapt 失败
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【中文标题】Android - 使用 gradle 3.2.1 构建数据绑定和 kapt 失败【英文标题】：Android - Build fails with databinding and kapt with gradle 3.2.1 【发布时间】：2019-04-24 10:12:27 【问题描述】：我遇到了数据绑定和 kapt 问题 我正在使用带有 android Studio 3.2.1 的 kotlin 问题是当我使用 kapt 时（如果我想使用 DBFlow，我认为我必须使用它），构建失败。
我尝试了几种我发现的解决方案，例如使缓存无效并重新启动或清理项目并重建它，添加或删除 kapt 'com.android.databinding:compiler:3.1.4' 但是在最新版本的 kapt 中添加它显然没用
这里是项目的gradle文件
buildscript
ext.kotlin_version = '1.3.10'
ext.dbflow_version = '4.2.4'
repositories
google()
jcenter()
dependencies
classpath 'com.android.tools.build:gradle:3.2.1'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
allprojects
repositories
mavenCentral()
maven url "https://www.jitpack.io"
google()
jcenter()
task clean(type: Delete)
delete rootProject.buildDir
还有app的gradle文件
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
apply plugin: 'kotlin-kapt'
android
compileSdkVersion 28
defaultConfig
applicationId "paf.songrecorder"
minSdkVersion 16
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
buildTypes
release
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
dataBinding
enabled = true
androidExtensions
experimental = true
kapt
generateStubs = true
dependencies
annotationProcessor "com.github.raizlabs.dbflow:dbflow-processor:$dbflow_version"
kapt "com.github.raizlabs.dbflow:dbflow-processor:$dbflow_version"
implementation "com.github.raizlabs.dbflow:dbflow-core:$dbflow_version"
implementation "com.github.raizlabs.dbflow:dbflow:$dbflow_version"
implementation "com.github.raizlabs.dbflow:dbflow-kotlinextensions:$dbflow_version"
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
implementation 'com.android.support:appcompat-v7:28.0.0'
implementation 'com.android.support.constraint:constraint-layout:1.1.3'
implementation 'com.android.support:recyclerview-v7:28.0.0'
implementation 'com.squareup.retrofit2:retrofit:2.4.0'
implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
implementation 'com.android.support:design:28.0.0'
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
在构建应用时，在 DataBinderMapperImpl 类中找不到 BindingImpl 类
[编辑]
我有这个错误没有添加行：
import paf.songrecorder.databinding.SongBindingImpl; ^ symbol: class SongBindingImpl location: package paf.songrecorder.databinding – PAF 11 mins ago
加上之后 kapt "com.android.databinding:compiler:$android_plugin_version" :
您知道导致此问题的原因是什么吗？
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':app:kaptGenerateStubsDebugKotlin'.
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:49)
at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:101)
at org.gradle.api.internal.tasks.execution.FinalizeInputFilePropertiesTaskExecuter.execute(FinalizeInputFilePropertiesTaskExecuter.java:44)
at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExecuter.java:23)
at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecuter.java:43)
at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:46)
at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:37)
at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:30)
at org.gradle.initialization.DefaultGradleLauncher$ExecuteTasks.run(DefaultGradleLauncher.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.invocation.GradleBuildController$1.call(GradleBuildController.java:78)
at org.gradle.internal.invocation.GradleBuildController$1.call(GradleBuildController.java:75)
at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:152)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:40)
at org.gradle.tooling.internal.provider.SubscribableBuildActionRunner.run(SubscribableBuildActionRunner.java:51)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:49)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:32)
at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:39)
at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:25)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:80)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:53)
at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:57)
at org.gradle.tooling.internal.provider.ServicesSetupBuildActionExecuter.execute(ServicesSetupBuildActionExecuter.java:32)
at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:36)
at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:25)
at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:43)
at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:29)
at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:64)
at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:29)
at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:59)
at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:44)
at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:45)
at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:30)
at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:67)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:37)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:26)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:34)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:74)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:72)
at org.gradle.util.Swapper.swap(Swapper.java:38)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:72)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:62)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:82)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:36)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:122)
at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:50)
at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:295)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
at java.lang.Thread.run(Thread.java:745)
Caused by: org.gradle.api.internal.artifacts.ivyservice.DefaultLenientConfiguration$ArtifactResolveException: Could not resolve all files for configuration ':app:kapt'.
at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.rethrowFailure(DefaultConfiguration.java:944)
at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.access$1600(DefaultConfiguration.java:120)
at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration$ConfigurationFileCollection.getFiles(DefaultConfiguration.java:918)
at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration.getFiles(DefaultConfiguration.java:415)
at org.gradle.api.internal.artifacts.configurations.DefaultConfiguration_Decorated.getFiles(Unknown Source)
at org.gradle.api.internal.file.CompositeFileCollection.getFiles(CompositeFileCollection.java:56)
at org.gradle.api.internal.file.AbstractFileCollection.iterator(AbstractFileCollection.java:68)
at org.jetbrains.kotlin.gradle.internal.SubpluginUtilsKt$withWrappedKaptOptions$1.apply(subpluginUtils.kt:71)
at org.jetbrains.kotlin.gradle.internal.SubpluginUtilsKt$withWrappedKaptOptions$1.apply(subpluginUtils.kt)
at java.util.HashMap.compute(HashMap.java:1196)
at org.jetbrains.kotlin.gradle.internal.SubpluginUtilsKt.withWrappedKaptOptions(subpluginUtils.kt:50)
at org.jetbrains.kotlin.gradle.internal.KaptGenerateStubsTask.setupCompilerArgs(KaptGenerateStubsTask.kt:73)
at org.jetbrains.kotlin.gradle.internal.KaptGenerateStubsTask.setupCompilerArgs(KaptGenerateStubsTask.kt:36)
at org.jetbrains.kotlin.gradle.internal.CompilerArgumentAware$DefaultImpls.setupCompilerArgs$default(CompilerArgumentAware.kt:37)
at org.jetbrains.kotlin.gradle.internal.CompilerArgumentAwareKt.prepareCompilerArguments(CompilerArgumentAware.kt:41)
at org.jetbrains.kotlin.gradle.internal.CompilerArgumentAware$DefaultImpls.getFilteredArgumentsMap(CompilerArgumentAware.kt:34)
at org.jetbrains.kotlin.gradle.internal.CompilerArgumentAwareWithInput$DefaultImpls.getFilteredArgumentsMap(CompilerArgumentAware.kt:54)
at org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompileTool.getFilteredArgumentsMap(Tasks.kt:50)
at org.jetbrains.kotlin.gradle.internal.KaptGenerateStubsTask_Decorated.getFilteredArgumentsMap(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.api.internal.tasks.properties.DefaultPropertyWalker$DefaultPropertyValue$1$1.create(DefaultPropertyWalker.java:90)
at org.gradle.util.SingleMessageLogger.whileDisabled(SingleMessageLogger.java:240)
at org.gradle.api.internal.tasks.properties.DefaultPropertyWalker$DefaultPropertyValue$1.get(DefaultPropertyWalker.java:87)
at com.google.common.base.Suppliers$MemoizingSupplier.get(Suppliers.java:125)
at org.gradle.api.internal.tasks.properties.DefaultPropertyWalker$DefaultPropertyValue.getValue(DefaultPropertyWalker.java:139)
at org.gradle.api.internal.tasks.properties.DefaultPropertyWalker$DefaultPropertyValue.validate(DefaultPropertyWalker.java:150)
at org.gradle.api.internal.tasks.DefaultTaskInputPropertySpec.validate(DefaultTaskInputPropertySpec.java:61)
at org.gradle.api.internal.tasks.execution.DefaultTaskProperties.validate(DefaultTaskProperties.java:193)
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:47)
... 103 more
Caused by: org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find com.android.databinding:compiler:3.2.1.
Searched in the following locations:
file:/C:/Users/PAF/AppData/Local/Android/Sdk/extras/m2repository/com/android/databinding/compiler/3.2.1/compiler-3.2.1.pom
file:/C:/Users/PAF/AppData/Local/Android/Sdk/extras/m2repository/com/android/databinding/compiler/3.2.1/compiler-3.2.1.jar
file:/C:/Users/PAF/AppData/Local/Android/Sdk/extras/google/m2repository/com/android/databinding/compiler/3.2.1/compiler-3.2.1.pom
file:/C:/Users/PAF/AppData/Local/Android/Sdk/extras/google/m2repository/com/android/databinding/compiler/3.2.1/compiler-3.2.1.jar
file:/C:/Users/PAF/AppData/Local/Android/Sdk/extras/android/m2repository/com/android/databinding/compiler/3.2.1/compiler-3.2.1.pom
file:/C:/Users/PAF/AppData/Local/Android/Sdk/extras/android/m2repository/com/android/databinding/compiler/3.2.1/compiler-3.2.1.jar
https://dl.google.com/dl/android/maven2/com/android/databinding/compiler/3.2.1/compiler-3.2.1.pom
https://dl.google.com/dl/android/maven2/com/android/databinding/compiler/3.2.1/compiler-3.2.1.jar
https://jcenter.bintray.com/com/android/databinding/compiler/3.2.1/compiler-3.2.1.pom
https://jcenter.bintray.com/com/android/databinding/compiler/3.2.1/compiler-3.2.1.jar
https://www.jitpack.io/com/android/databinding/compiler/3.2.1/compiler-3.2.1.pom
https://www.jitpack.io/com/android/databinding/compiler/3.2.1/compiler-3.2.1.jar
Required by:
project :app
【问题讨论】：
构建失败时的错误信息是什么？ 您在 app/build.gradle 依赖项部分缺少kapt "com.android.databinding:compiler:$android_plugin_version"
我已经编辑了添加错误的问题
我已经设法将 android 插件降级到 3.1.0，但我仍然想知道为什么它不适用于 3.2.1
我在这里遇到了同样的问题.. 花了一天时间尝试一切来解决它，当我将 com.android.tools.build:gradle 降级到 3.0.1 时，它对我有用。我认为报告这个问题是个好主意。
【参考方案1】：
请参考https://***.com/a/54071510/1726296的回答
从 Android Studio 3.2 开始，不再需要此 kapt 插件。
但是，如果没有此插件，则在编译时出现任何错误时的错误消息都是神秘的。 因此，现在看来唯一的选择是将您的 Gradle 版本降级到 3.1.4。
感谢http://mobiledevhub.com/2018/01/05/android-two-way-databinding/的文章
【讨论】：
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