错误:需要杰克才能支持Java 8语言功能 [英] Error:Jack is required to support java 8 language features

问题描述

当我在获取android studio 2.1和android N SDK之后尝试更新我的android项目以使用Java 8时 通过添加

When I tried to update my android project to use Java 8 after getting android studio 2.1 and android N SDK by adding

compileOptions {
    sourceCompatibility JavaVersion.VERSION_1_8
    targetCompatibility JavaVersion.VERSION_1_8
}

我遇到了这个错误

错误:需要Jack才能支持Java 8语言功能.启用Jack或删除sourceCompatibility JavaVersion.VERSION_1_8.

Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompatibility JavaVersion.VERSION_1_8.

我该怎么办?

推荐答案

错误:需要Jack才能支持Java 8语言功能.任何一个 启用Jack或删除sourceCompatibility JavaVersion.VERSION_1_8.

Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompatibility JavaVersion.VERSION_1_8.

错误提示您必须启用杰克.

要在您的Android项目中启用对Java 8的支持，您需要像这样配置build.gradle文件

To enable support for Java 8 in your Android project, you need to configure your build.gradle file like that

android {
  ...


  compileSdkVersion 23
  buildToolsVersion "24rc2"
  defaultConfig {
  ...
    jackOptions {
      enabled true
    }
  }

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

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