Having trouble with `wire3` on Android with Gradle...

# squarelibraries

[jishindev]

Having trouble with wire3 on Android with Gradle Kotlin DSL. It does not compile once I add the gradle plugin to the app level gradle file. I have the following in my gradle config right now-

Project level
-------------------------------------
buildscript {
    repositories {
        ...
        mavenCentral()
    }
    dependencies {
        classpath("com.android.tools.build:gradle:3.5.1")
        classpath(kotlin("gradle-plugin", version = "1.3.40"))
        classpath("com.squareup.wire:wire-gradle-plugin:3.0.0")
    }
}
--------------------------------------

App level
--------------------------------------

plugins {
    id("com.android.application")
    kotlin("android")
    kotlin("android.extensions")
    kotlin("kapt")
    id("com.squareup.wire")    // GIVES - "Task with name 'compileJava' not found in project ':app'." WHEN ADDED
}

android {
    compileSdkVersion(29)
    defaultConfig {
        applicationId = "<http://com.example.android.app|com.example.android.app>"
        minSdkVersion(23)
        targetSdkVersion(29)
        ...
    }
   
    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }
    sourceSets.onEach {
        it.java.srcDir("src/${it.name}/kotlin")
    }

     sourceSets.getByName("main")
         .java.srcDirs(file("$buildDir/generated/source/wire"))
}


// Wire
wire {         //  wire DOES NOT RESOLVE
    kotlin{}
}

val kotlinVersion = "1.3.40"
val wireVersion = "3.0.1"


dependencies {
    implementation(kotlin("stdlib-jdk7", version = kotlinVersion))
    ...
    implementation("com.squareup.wire:wire-runtime:$wireVersion")
    implementation("com.squareup.wire:wire-grpc-client:$wireVersion")
}

Anything that I'm missing here?