Android – Cannot inline bytecode built with JVM target 1.8 into bytecode that is being built with JVM target 1.6

androidcordaintellij-ideajvmkotlin

When trying to run the Example CorDapp (GitHub CorDapp) via IntelliJ, I receive the following error:

Cannot inline bytecode built with JVM target 1.8 into bytecode that is
being built with JVM target 1.6

How can I modify the IntelliJ settings so that all the bytecode is built with the same JVM target?

Best Answer

app/build.gradle

android {
    ...
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = JavaVersion.VERSION_1_8.toString()
    }
}

GL

Use Java 8 language features

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