Android Studio 2.1 将字节码转换为 dex 时出错 [英] Android Studio 2.1 Error converting bytecode to dex

问题描述

自从我将 android studio 从 2.0 更新到 2.1 以来，我收到以下错误.

I am getting the following error since I updated the android studio from 2.0 to 2.1.

错误:将字节码转换为 dex 时出错:

Error:Error converting bytecode to dex:

原因:Dex 无法解析版本 52 字节代码.这是由使用 Java 8 或更高版本编译的库依赖项.如果您在库子模块中使用java"gradle 插件添加targetCompatibility = '1.7' sourceCompatibility = '1.7'子模块的 build.gradle 文件.

Cause: Dex cannot parse version 52 byte code. This is caused by library dependencies that have been compiled using Java 8 or above. If you are using the 'java' gradle plugin in a library submodule add targetCompatibility = '1.7' sourceCompatibility = '1.7' to that submodule's build.gradle file.

我尝试在 build.gradle 中添加以下代码段，但问题仍然存在

I tried adding the following snippet in build.gradle, but still the issue persists

    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_7
        targetCompatibility JavaVersion.VERSION_1_7
    }

我看到了一些与此类似的问题，但都没有回答.谁能帮我解决这个问题?提前致谢.

I saw some of the questions similar to this, but neither of the questions answered. Can anyone help me to solve this? Thanks in advance.

推荐答案

尝试

allprojects {
    tasks.withType(JavaCompile) {
        sourceCompatibility = "1.7"
        targetCompatibility = "1.7"
    }
}

在主 build.gradle 文件中

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