WARNING API variant getJavaCompile is obsolete and has been replaced with variant getJavaCompileProvider

Question

Suddenly when Syncing Gradle  I get this error      WARNING  API  variant getJavaCompile    is obsolete and has been   replaced with  variant getJavaCompileProvider           It will be removed at the end of 2019        For more information  see https   d android com r tools task-configuration-avoidance       Affected Modules  app   I ve got this build gradle for the app module   apply plugin   com android application   apply plugin   kotlin-android   apply plugin   kotlin-android-extensions  apply plugin   com google gms google-services   apply plugin   io fabric   android       compileSdkVersion 28     buildToolsVersion  28 0 2      defaultConfig           applicationId               minSdkVersion 21         targetSdkVersion 28         versionCode 1         versionName               testInstrumentationRunner  androidx test runner AndroidJUnitRunner          versionNameSuffix   version suffix                          buildTypes           release               minifyEnabled false             proguardFiles getDefaultProguardFile  proguard-android-optimize txt     proguard-rules pro                                       debug                                        dependencies       implementation fileTree include      jar    dir   libs       implementation  org jetbrains kotlin kotlin-stdlib-jdk7 1 2 61      implementation  androidx appcompat appcompat 1 0 0-rc02      implementation  androidx constraintlayout constraintlayout 1 1 3      implementation  com android support preference-v7 28 0 0      testImplementation  junit junit 4 12      androidTestImplementation  androidx test runner 1 1 0-alpha4      androidTestImplementation  androidx test espresso espresso-core 3 1 0-alpha4      implementation  com google android material material 1 0 0-rc02                 I can compile the app correctly  but it s a bit bothering  and as I see it  something will stop working at the end of 2019  Any ideas of what is it and how to solve it

User · Answer

This is a popular question  If you do not use these methods  the solution is updating the libraries  Please update your kotlin version  and all your dependencies like fabric  protobuf etc  If you are sure that you have updated everything  try asking the author of the library

User · Answer

Update fabric plugin to the latest in project level Gradle file  not app level   In my case  this line solved the problem  classpath  io fabric tools gradle 1 25 4    to  classpath  io fabric tools gradle 1 29 0

User · Answer

In my case I followed this  Summary  in gradle app level   change this     variant outputs all   output - gt      variant assemble doLast                          to   variant outputs all   output - gt  variant getAssembleProvider   configure         it doLast

User · Answer

In my case  it was caused from gms services 4 3 0  So i had to change it to   com google gms google-services 4 2 0   I have found this by running   gradlew sync -Pandroid debug obsoleteApi true   in terminal  Go to view -  tool windows -  Terminal in Android Studio

User · Answer

upgrading the google services in project-level build gradle solved my problem    After upgrading    dependencies               classpath  com google gms google-services 4 3 2         NOTE  Do not place your application dependencies here  they belong        in the individual module build gradle files

User · Answer

This issue is fixed now with update Fabric Gradle version 1 30 0    Update release  March 19  2019     Please see this Link  https   docs fabric io android changelog html march-15-2019  Please update your classpath dependency in project level Gradle   buildscript              repositories  etc           dependencies                 other dependencies             classpath  io fabric tools gradle 1 30 0

User · Answer

That s mostly due to libraries which are obsolete  To check for new updates manually  you should navigate to     Analyze    Run Inspection By Name      That should be enough  Another option is to run a gradle dependency update using    gradlew dependencyUpdates  that will produce a report like this    dependencyUpdates  ------------------------------------------------------------   Project Dependency Updates  report to plain text file  ------------------------------------------------------------  The following dependencies are using the latest milestone version   - com github ben-manes gradle-versions-plugin 0 15 0  The following dependencies have later milestone versions   - com google auto value auto-value  1 4 - gt  1 4 1   - com google errorprone error prone core  2 0 19 - gt  2 0 21   - com google guava guava  21 0 - gt  23 0-rc1   - net ltgt gradle gradle-apt-plugin  0 9 - gt  0 10   - net ltgt gradle gradle-errorprone-plugin  0 0 10 - gt  0 0 11

User · Answer

keep you Project not app  Build gradle dependncies classpath version code is new    dependencies       classpath  com android tools build gradle 3 5 0-beta01      classpath  com novoda bintray-release 0 8 1         NOTE  Do not place your application dependencies here  they belong        in the individual module build gradle files

User · Answer

if I remove this row from application gradle   apply plugin   io fabric    error will not appear anymore   Reference link github

User · Answer

Change your Google Services version from your build gradle    dependencies     classpath  com google gms google-services 4 2 0

User · Answer

I had same problem and it solved by defining kotlin gradle plugin version in build gradle file   change this   classpath  org jetbrains kotlin kotlin-gradle-plugin  kotlin version    to   classpath  org jetbrains kotlin kotlin-gradle-plugin 1 3 50 or latest version

User · Answer

Upgrading the Kotlin  Plugin and stdLib  version to 1 3 1 solved that warning in my case  Update the Kotlin version in whole project by replacing existing Kotlin version with     ext kotlin version    1 3 50

User · Answer

Here a temporary workaround  If you are using room just upgrade to 1 1 0 or higher  implementation  android arch persistence room runtime 1 1 0    it removes this warning for me

User · Answer

Upgrading protobuf-gradle-plugin to version 0 8 10 solved my problem  Replace your existing protobuf with  classpath  gradle plugin com google protobuf protobuf-gradle-plugin 0 8 10

User · Answer

Migrate your project to androidX    dependencies are upgraded to androidX  so if you want to use androidX contents migrate your project to androidX     With Android Studio 3 2 and higher  you can quickly migrate an existing project to use AndroidX by selecting Refactor   Migrate to AndroidX from the menu bar      Downgrading dependencies may fix your problem this time - but not recommended

User · Answer

When the plugin detects that you re using an API that s no longer supported  it can now provide more-detailed information to help you determine where that API is being used  To see the additional info  you need to include the following in your project s gradle properties file   android debug obsoleteApi true

User · Answer

In my case   build gradle Project    was   ext kotlin version    1 2 71    updated to  ext kotlin version    1 3 0    looks problem has gone for now

User · Answer

Updating gradle to gradle 3 3 0   The default  assemble  task only applies to normal variants  Add test variants as well   android testVariants all   variant - gt      tasks getByName  assemble   dependsOn variant getAssembleProvider       also comment apply fabric    apply plugin   io fabric

User · Answer

1  Add android debug obsoleteApi true to your gradle properties  It will show you which modules is affected by your the warning log   2  Update these deprecated functions    variant javaCompile to variant javaCompileProvider variant javaCompile destinationDir to variant javaCompileProvider get   destinationDir

User · Answer

In my case  I had to comment out com google firebase firebase-crash plugin   apply plugin   com android application     apply plugin   com google firebase firebase-crash   lt    this plugin causes the error   It is a bug since Android Studio 3 3 0

User · Answer

I face this issue after updating to 3 3 0  If you are not doing what error states in gradle file  it is some plugin that still didn t update to the newer API that cause this  To figure out which plugin is it do the following  as explained in  Better debug info when using obsolete API  of 3 3 0 announcement     Add  android debug obsoleteApi true  to your gradle properties file which will log error with a more details Try again and read log details  There will be a trace of  problematic  plugin When you identify  try to disable it and see if issue is gone  just to be sure go to github page of plugin and create issue which will contain detailed log and clear description  so you help developers fix it for everyone faster be patient while they fix it  or you fix it and create PR for devs   Hope it helps others

User · Answer

I also faced the same issue  And after searching for a while  I figured it out that the warning was arising because of using the latest version of google-services plugin  version 4 3 0   I was using this plugin for Firebase functionalities in my application by the way  All I did was to downgrade my google-services plugin in buildscript in the build gradle Project  level file as follows   buildscript      dependencies             From   gt         classpath  com google gms google-services 4 3 0            To   gt         classpath  com google gms google-services 4 2 0

User · Answer

This is a warning spit out by build tools for two reasons  1  One of the plugin is relying on Task instead of TaskProvider  there is nothing much we can do  2  You have configured usage of task  where as it supports TaskProvider   WARNING  API  variant getGenerateBuildConfig    is obsolete and has been replaced with  variant getGenerateBuildConfigProvider     It will be removed at the end of 2019  For more information  see https   d android com r tools task-configuration-avoidance  WARNING  API  variant getJavaCompile    is obsolete and has been replaced with  variant getJavaCompileProvider     It will be removed at the end of 2019  For more information  see https   d android com r tools task-configuration-avoidance  WARNING  API  variant getMergeResources    is obsolete and has been replaced with  variant getMergeResourcesProvider     It will be removed at the end of 2019  For more information  see https   d android com r tools task-configuration-avoidance   Look out for snippets as below  amp  update   android        lt library application gt Variants all   variant - gt             Disable Generating Build config               variant generateBuildConfig enabled   true     lt - Deprecated         variant generateBuildConfigProvider configure               it enabled   true    Replacement                     Similarly  find usages of  variant getJavaCompile    or  variant javaCompile    variant getMergeResources    or  variant mergeResources   Replace as above   More information at Task Configuration Avoidance

User · Answer

This is just a warning and it will probably be fixed before 2019 with plugin updates so don t worry about it  I would recommend you to use compatible versions of your plugins and gradle   You can check your plugin version and gradle version here for better experience and performance   https   developer android com studio releases gradle-plugin  Try using the stable versions for a smooth and warning error free code

User · Answer

This fixed my problem   All I needed to do was to downgrade my google-services plugin in buildscript in the build gradle Project  level file as follows  buildscript       dependencies              From   gt          classpath  com google gms google-services 4 3 0             To   gt          classpath  com google gms google-services 4 2 0             Add dependency         classpath  io fabric tools gradle 1 28 1

User · Answer

Downgrading the version of Gradle worked for me     classpath  com android tools build gradle 3 2 0

User · Answer

Go back from classpath  com android tools build gradle 3 3 0-alpha13  to classpath  com android tools build gradle 3 2 0   this worked for me

[android] WARNING: API 'variant.getJavaCompile()' is obsolete and has been replaced with 'variant.getJavaCompileProvider()'

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