Configure IntelliJ auto-completion for gradle script in kotlin - intellij-idea

Question

I am trying out gradle-script-kotlin with simple hello-world application in IntelliJ. But IntelliJ auto-completion doesn't popup in build.gradle.kts file.
https://github.com/gradle/gradle-script-kotlin/tree/master/samples/hello-world
build.gradle.kts:
apply<ApplicationPlugin>()
configure<ApplicationPluginConvention> {
mainClassName = ".HelloWorld"
}
configure<JavaPluginConvention> {
setSourceCompatibility(1.8)
setTargetCompatibility(1.8)
}
repositories {
jcenter()
}
dependencies {
testCompile("junit:junit:4.12")
}
settings.gradle:
rootProject.buildFileName = 'build.gradle.kts'
I have IntelliJ kotlin plugin and gradle plugin installed and using gradle 3.0. The sample application works with gradle commands.
How to configure IntelliJ to enable auto-completion on build.gradle.kts file?
I'm using IntelliJ 2016.2.2 with kotlin plugin version: 1.0.3-release-IJ2016.1-120

Answer 1

Had the same problem. Gradle script Kotlin requires version 1.1x of the IntelliJ Kotlin plugin.
Follow these steps to install it:
https://github.com/gradle/gradle-script-kotlin/tree/master/samples#install-idea-kotlin-plugin
The regular update channel only updates to version 1.0.3x right now.
Update 18/06:
The github readme has been updated to include:
(Note: this version will not work with the official Gradle 3.0 release, stick to the official EAP 1.1 from JetBrains if you intend to use Gradle 3.0)
If you manually installed version 1.1.0-dev-2222 earlier, uninstall it and restart IntelliJ.
Install version 1.1.x from the EAP Channel
This version works with Kotlin-Script in Gradle 3.0.
In IntelliJ, press:
Tools => Kotlin => Configure Kotlin Updates.
Select
Early Access Preview 1.1
and press
Check for updates now.
Download the latest plugin.
If it gives an error, just restart IntelliJ, it will have installed the plugin.

Answer 2

I tried gradle 3.1 with kotlin-plugin-1.1.0-dev-2222.zip in intellij 2.5. And it works for me.
Here is my intellij version:
IntelliJ IDEA 2016.2.5
Build #IC-162.2228.15, built on October 14, 2016
JRE: 1.8.0_112-release-287-b2 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
And the steps:
1, Download the kotlin-plugin-1.1.0-dev-2222.zip in https://github.com/gradle/gradle-script-kotlin/tree/master/samples and install the plugin in Idea
2, Create a gradle java project in Idea, and choose to use gradle wrapper
3, In the terminal, under the project directory, use "./gradlew wrapper --gradle-version=3.1" to switch to gradle 3.1
4, Create a file "build.gradle.kts" under the root directory of the project
5, Add rootProject.buildFileName = 'build.gradle.kts' in the settings.gradle file
6, Add codes in build.gradle.kts, and if the auto-completion does not work, try "Refresh all projects" in the Gradle Tool Window.
7, If it still not work, restart your Idea
Here is a github repo: https://github.com/kolyjjj/gradle-kotlin-test

Answer 3

Try re-importing the project by selecting settings.gradle.