[转][AS]Android Studio 升级 core-ktx:1.2.0 报错 -jvm-target

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原本正常的项目，今天将core-ktx版本升级到 1.2.0后，sync 报错了：

implementation 'androidx.core:core-ktx:1.2.0'

Cannot inline bytecode built with JVM target 1.8 into bytecode that is being built with JVM target 1.6. Please specify proper ‘-jvm-target’ option

解决方法：

android {
    ...
    compileOptions {
        sourceCompatibility = 1.8
        targetCompatibility = 1.8
    }
    //新增如下代码
    kotlinOptions {
        jvmTarget = "1.8"
    }
}