Dagger: Dagger 2.20 support for Androidx

[melvinotieno]

I am still getting this error after upgrading to dagger 2.20. In the changelogs of version 2.19, it was noted that this problem would be solved in version 2.20.

[kapt] An exception occurred: java.util.NoSuchElementException
    at com.sun.tools.javac.util.List$2.next(List.java:432)
    at com.google.common.collect.Iterators.getOnlyElement(Iterators.java:302)
    at com.google.common.collect.Iterables.getOnlyElement(Iterables.java:254)
    at dagger.android.processor.AndroidMapKeys.mapKeyValue(AndroidMapKeys.java:75)
    at dagger.android.processor.AndroidMapKeys.lambda$annotationsAndFrameworkTypes$5(AndroidMapKeys.java:56)
    at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1321)
    at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
    at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419)
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
    at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270)
    at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
    at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
    at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1376)
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580)
    at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270)
    at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
    at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
    at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
    at dagger.android.processor.AndroidMapKeys.annotationsAndFrameworkTypes(AndroidMapKeys.java:56)
    at dagger.android.processor.AndroidMapKeyValidator.annotations(AndroidMapKeyValidator.java:65)
    at dagger.shaded.auto.common.BasicAnnotationProcessor.getSupportedAnnotationClasses(BasicAnnotationProcessor.java:146)
    at dagger.shaded.auto.common.BasicAnnotationProcessor.getSupportedAnnotationTypes(BasicAnnotationProcessor.java:158)
    at dagger.shaded.auto.common.BasicAnnotationProcessor.getSupportedAnnotationTypes(BasicAnnotationProcessor.java:103)
    at org.jetbrains.kotlin.kapt3.base.ProcessorWrapper.getSupportedAnnotationTypes(annotationProcessing.kt)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment$ProcessorState.<init>(JavacProcessingEnvironment.java:505)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment$DiscoveredProcessors$ProcessorStateIterator.next(JavacProcessingEnvironment.java:597)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:690)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.access$1800(JavacProcessingEnvironment.java:91)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.run(JavacProcessingEnvironment.java:1039)
    at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1180)
    at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1170)
    at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1068)
    at org.jetbrains.kotlin.kapt3.base.AnnotationProcessingKt.doAnnotationProcessing(annotationProcessing.kt:55)
    at org.jetbrains.kotlin.kapt3.base.AnnotationProcessingKt.doAnnotationProcessing$default(annotationProcessing.kt:27)
    at org.jetbrains.kotlin.kapt3.AbstractKapt3Extension.runAnnotationProcessing(Kapt3Extension.kt:218)
    at org.jetbrains.kotlin.kapt3.AbstractKapt3Extension.analysisCompleted(Kapt3Extension.kt:183)
    at org.jetbrains.kotlin.kapt3.ClasspathBasedKapt3Extension.analysisCompleted(Kapt3Extension.kt:100)
    at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM$analyzeFilesWithJavaIntegration$2.invoke(TopDownAnalyzerFacadeForJVM.kt:95)
    at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:105)
    at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:82)
    at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.invoke(KotlinToJVMBytecodeCompiler.kt:375)
    at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.invoke(KotlinToJVMBytecodeCompiler.kt:67)
    at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:107)
    at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:366)
    at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:120)
    at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:161)
    at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:57)
    at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.java:96)
    at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.java:52)
    at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:93)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$1$2.invoke(CompileServiceImpl.kt:442)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$1$2.invoke(CompileServiceImpl.kt:102)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$$inlined$ifAlive$lambda$2.invoke(CompileServiceImpl.kt:1029)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$$inlined$ifAlive$lambda$2.invoke(CompileServiceImpl.kt:102)
    at org.jetbrains.kotlin.daemon.common.DummyProfiler.withMeasure(PerfUtils.kt:137)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl.checkedCompile(CompileServiceImpl.kt:1071)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl.doCompile(CompileServiceImpl.kt:1028)
    at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:441)
    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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:346)
    at sun.rmi.transport.Transport$1.run(Transport.java:200)
    at sun.rmi.transport.Transport$1.run(Transport.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
    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)    

[ronshapiro]

What version of Jetifier are you using? Did you upgrade to the version mentioned in #1245?

[ronshapiro]

Specifically, the stack trace you have has dagger-android-processor methods that don't exist anymore, so it's likely that either you've forgotten to update that, or jetifier is still forcing it to a lower version.

[melvinotieno]

I'm not sure which Jetifier version I'm using but this is the plugin version im using classpath 'com.android.tools.build:gradle:3.2.1' and the jetifier is set in gradle.settings the following way. androidx.enableJetifier=true. As for dagger-android-processor im using the 2.20 version ive updated it

[melvinotieno]

Still getting the below error

`[kapt] An exception occurred: java.util.NoSuchElementException at com.sun.tools.javac.util.List$2.next(List.java:432) at com.google.common.collect.Iterators.getOnlyElement(Iterators.java:302) at com.google.common.collect.Iterables.getOnlyElement(Iterables.java:254) at dagger.android.processor.AndroidMapKeys.mapKeyValue(AndroidMapKeys.java:75) at dagger.android.processor.AndroidMapKeys.lambda$annotationsAndFrameworkTypes$5(AndroidMapKeys.java:56) at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1321) at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169) at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1376) at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270) at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) at dagger.android.processor.AndroidMapKeys.annotationsAndFrameworkTypes(AndroidMapKeys.java:56) at dagger.android.processor.AndroidMapKeyValidator.annotations(AndroidMapKeyValidator.java:65) at dagger.shaded.auto.common.BasicAnnotationProcessor.getSupportedAnnotationClasses(BasicAnnotationProcessor.java:146) at dagger.shaded.auto.common.BasicAnnotationProcessor.getSupportedAnnotationTypes(BasicAnnotationProcessor.java:158) at dagger.shaded.auto.common.BasicAnnotationProcessor.getSupportedAnnotationTypes(BasicAnnotationProcessor.java:103) at org.jetbrains.kotlin.kapt3.base.ProcessorWrapper.getSupportedAnnotationTypes(annotationProcessing.kt) at com.sun.tools.javac.processing.JavacProcessingEnvironment$ProcessorState.(JavacProcessingEnvironment.java:505) at com.sun.tools.javac.processing.JavacProcessingEnvironment$DiscoveredProcessors$ProcessorStateIterator.next(JavacProcessingEnvironment.java:597) at com.sun.tools.javac.processing.JavacProcessingEnvironment.discoverAndRunProcs(JavacProcessingEnvironment.java:690) 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:1170) at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1068) at org.jetbrains.kotlin.kapt3.base.AnnotationProcessingKt.doAnnotationProcessing(annotationProcessing.kt:55) at org.jetbrains.kotlin.kapt3.base.AnnotationProcessingKt.doAnnotationProcessing$default(annotationProcessing.kt:27) at org.jetbrains.kotlin.kapt3.AbstractKapt3Extension.runAnnotationProcessing(Kapt3Extension.kt:218) at org.jetbrains.kotlin.kapt3.AbstractKapt3Extension.analysisCompleted(Kapt3Extension.kt:183) at org.jetbrains.kotlin.kapt3.ClasspathBasedKapt3Extension.analysisCompleted(Kapt3Extension.kt:100) at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM$analyzeFilesWithJavaIntegration$2.invoke(TopDownAnalyzerFacadeForJVM.kt:95) at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration(TopDownAnalyzerFacadeForJVM.kt:105) at org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM.analyzeFilesWithJavaIntegration$default(TopDownAnalyzerFacadeForJVM.kt:82) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.invoke(KotlinToJVMBytecodeCompiler.kt:375) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler$analyze$1.invoke(KotlinToJVMBytecodeCompiler.kt:67) at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:107) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.analyze(KotlinToJVMBytecodeCompiler.kt:366) at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules$cli(KotlinToJVMBytecodeCompiler.kt:120) at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:161) at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:57) at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.java:96) at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.java:52) at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:93) at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$1$2.invoke(CompileServiceImpl.kt:442) at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$1$2.invoke(CompileServiceImpl.kt:102) at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$$inlined$ifAlive$lambda$2.invoke(CompileServiceImpl.kt:1029) at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$$inlined$ifAlive$lambda$2.invoke(CompileServiceImpl.kt:102) at org.jetbrains.kotlin.daemon.common.DummyProfiler.withMeasure(PerfUtils.kt:137) at org.jetbrains.kotlin.daemon.CompileServiceImpl.checkedCompile(CompileServiceImpl.kt:1071) at org.jetbrains.kotlin.daemon.CompileServiceImpl.doCompile(CompileServiceImpl.kt:1028) at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:441) 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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:346) at sun.rmi.transport.Transport$1.run(Transport.java:200) at sun.rmi.transport.Transport$1.run(Transport.java:197) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:196) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682) 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) |  
-- | --

`

[ronshapiro]

Does this work?

buildscript {
   dependencies {
       classpath 'com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta02'
   }
}

[d-fournier]

I got the exact same issue and forcing the last jetifier version worked great for me.
Somehow, the old version of the dagger-android compiler (2.16) was used even after upgrading to 2.20 (According to Gradle dependencies)

+--- com.google.dagger:dagger-android-processor:2.20 -> 2.16
|    +--- com.google.dagger:dagger:2.16 -> 2.20

[melvinotieno]

unfortunately it didnt work for me i got the error below
The given artifact contains a string literal with a package reference 'android/support/v4' that cannot be safely rewritten. Libraries using reflection such as annotation processors need to be updated manually to add support for androidx.

[melvinotieno]

My dependencies in app's build.gradle

apply plugin: 'com.android.application'

apply plugin: 'kotlin-android'

apply plugin: 'kotlin-kapt'

apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 28

    defaultConfig {
        applicationId "com.juliham.unirides"
        minSdkVersion 21
        targetSdkVersion 28
        versionCode 1
        versionName "1.0.0"
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    dataBinding {
        enabled = true
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])

    // Kotlin
    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"

    // UI Frameworks
    implementation 'androidx.appcompat:appcompat:1.1.0-alpha01'
    implementation 'com.google.android.material:material:1.0.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'

    // Dagger 2
    implementation "com.google.dagger:dagger-android-support:$dagger_version"
    kapt "com.google.dagger:dagger-compiler:$dagger_version"
    kapt "com.google.dagger:dagger-android-processor:$dagger_version"

    // Architecture Components
    implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
    implementation "android.arch.navigation:navigation-ui-ktx:$navigation_version"
    implementation "android.arch.navigation:navigation-fragment-ktx:$navigation_version"

    // Architecture Components Processors
    kapt "androidx.lifecycle:lifecycle-runtime:$lifecycle_version"

    // Test Implementations
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'androidx.test:runner:1.1.1'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
}

where dagger_version = 2.20

Should i be using dagger-android-support or dagger-android or both

[Ethan1983]

You need these as well.

kapt 'com.android.tools.build.jetifier:jetifier-core:1.0.0-beta02'
annotationProcessor 'com.android.tools.build.jetifier:jetifier-core:1.0.0-beta02'

[JakeWharton]

Jetifier is not an annotation processor so you don't need those

On Wed, Dec 26, 2018, 12:09 PM Vairavan Srinivasan <[email protected]
wrote:

You need these as well.

kapt 'com.android.tools.build.jetifier:jetifier-core:1.0.0-beta02'
annotationProcessor 'com.android.tools.build.jetifier:jetifier-core:1.0.0-beta02'

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[Ethan1983]

I thought so too but removing that ends up with the same error. May be i'm missing something?

"The given artifact contains a string literal with a package reference 'android/support/v4' that cannot be safely rewritten. Libraries using reflection such as annotation processors need to be updated manually to add support for androidx."

[melvinotieno]

So what's the solution or should i just use version 2.16

[dmapr]

@melvinotieno for now the solution is to do what @Ethan1983 has suggested. Make sure to place these two lines at the beginning of the dependencies block in your app module gradle file. The error @Ethan1983 has mentioned is coming from processing of the old jetifier jar that is pulled in as a dependency of the androidx.databinding:databinding-compiler. By placing those two directives at the beginning of the dependencies block you're forcing the substitution:

+--- com.android.tools.build.jetifier:jetifier-core:1.0.0-beta02
|    +--- com.google.code.gson:gson:2.8.0
|    \--- org.jetbrains.kotlin:kotlin-stdlib:1.2.20 -> 1.2.71
|         +--- org.jetbrains.kotlin:kotlin-stdlib-common:1.2.71
|         \--- org.jetbrains:annotations:13.0
\--- androidx.databinding:databinding-compiler:3.2.1
     +--- androidx.databinding:databinding-compiler-common:3.2.1
     |    +--- androidx.databinding:databinding-common:3.2.1
     |    +--- com.android.databinding:baseLibrary:3.2.1
     |    +--- org.antlr:antlr4:4.5.3
     |    +--- commons-io:commons-io:2.4
     |    +--- com.googlecode.juniversalchardet:juniversalchardet:1.0.3
     |    +--- com.google.guava:guava:23.0
     |    |    +--- com.google.code.findbugs:jsr305:1.3.9
     |    |    +--- com.google.errorprone:error_prone_annotations:2.0.18
     |    |    +--- com.google.j2objc:j2objc-annotations:1.1
     |    |    \--- org.codehaus.mojo:animal-sniffer-annotations:1.14
     |    +--- com.squareup:javapoet:1.8.0
     |    +--- org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.71
     |    |    +--- org.jetbrains.kotlin:kotlin-stdlib:1.2.71 (*)
     |    |    \--- org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.2.71
     |    |         \--- org.jetbrains.kotlin:kotlin-stdlib:1.2.71 (*)
     |    +--- com.google.code.gson:gson:2.8.0
     |    +--- com.android.tools:annotations:26.2.1
     |    \--- com.android.tools.build.jetifier:jetifier-core:1.0.0-alpha10 -> 1.0.0-beta02 (*)
     +--- androidx.databinding:databinding-common:3.2.1
     +--- org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.2.71 (*)
     +--- commons-io:commons-io:2.4
     +--- commons-codec:commons-codec:1.9
     +--- org.antlr:antlr4:4.5.3
     \--- com.googlecode.juniversalchardet:juniversalchardet:1.0.3

Without them the data binding artifact will bring in the alpha10 jar, causing the error.

[ronshapiro]

If there's further discussion here, I think StackOverflow is a better for forum for figuring this all out. Please move the discussion there.