Kotlin Not Configured : Android studio

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Error which i am getting

I am able to run the project successfully. but unable to resolve this issue which is showing "kotlin Not Configured". I tried every solution for that but its always showing in the currently active file.

Please help.

6 Answers

Click on Tools -> Kotlin -> Configure Kotlin in Project then choose the configurator, any one from:

  1. Java with Gradle
  2. Android with Gradle

Delete the .gradle and .idea file and restart the project. This seem to work for me.

try to upgrade the kotlin version in build.gradle file ext.kotlin_version = '1.3.72' also in the build.gradle app module file make sure implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" in the dependencies section , if you see at any time update the gradle option , do so

Furthermore, if you find a line implementation "androidx.core:core-ktx:+" in your build.gradle, you may see the warning message: Avoid using + in version numbers, can lead to unpredictable and anrepeatable builds. Click on "Replace with specific version", then the current installed version replaces the "+". (For example, "1.3.2") In my case the "kotlin not configured" message and a lot of "errors" in the kotlin file disappeared.

A common reason of the "Kotlin Not Configured" message is an internal Android Studio exception due to a bad plugin. In order to fix that you should disable the bad plugin.

When such plugin crash occurs, on the "Wellcome screen" you'll see a small notification (see illustration image) where you can click it and disable the bad plugin:

enter image description here

In my case, it can fix by keep the version of kotlin-gradle-plugin up to date. Check the version here: https://kotlinlang.org/docs/gradle.html#plugin-and-versions

File for configuration Location

Project -> build.gradle

//example: update this dependence:

dependencies {
  classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.10"
}
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