kotlin-stdlib-jre7 is deprecated. Please use kotlin-stdlib-jdk7 instead

Question

Yesterday I updated Android Studio Version and Kotlin plugin version.

Android Studio Version: 3.1.2

Kotlin Version: 1.2.41

When I create an Android p

Answer 1

After reading Kotlin Gradle Script Topic I find out that some ponits

If you're targeting JDK 7 or JDK 8, you can use extended versions of the Kotlin standard library which contain additional extension functions for APIs added in new JDK versions. Instead of kotlin-stdlib, use one of the following dependencies:

compile "org.jetbrains.kotlin:kotlin-stdlib-jdk7"
compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8"

I used implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8" in my project. I think it's because of compileOptions set in build.graddle

compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
}