Javascript 失败：生成失败，出现异常。-自然反应

我正在测试我的React本机安装 首先

之后

react-native run-android

我已将设备连接到pc，但出现以下错误：

Scanning 557 folders for symlinks in D:\Projects 2016\Web\Android\FirstApp\AwesomeProject\node_modules (15ms)
JS server already running.
Building and installing the app on the device (cd android && gradlew.bat installDebug)...

FAILURE: Build failed with an exception.

* Where:
Build file 'D:\Projects 2016\Web\Android\FirstApp\AwesomeProject\android\app\build.gradle' line: 1

* What went wrong:
A problem occurred evaluating project ':app'.
> java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppPlugin : Unsupported major.minor version 52.0

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 2.533 secs
Could not install the app on the device, read the error above for details.
Make sure you have an Android emulator running or a device connected and have
set up your Android development environment:
https://facebook.github.io/react-native/docs/android-setup.html

---

这似乎是一个与之相关的问题

并且指示它需要最新版本的

将JDK版本更新为最新版本

Scanning 557 folders for symlinks in D:\Projects 2016\Web\Android\FirstApp\AwesomeProject\node_modules (15ms)
JS server already running.
Building and installing the app on the device (cd android && gradlew.bat installDebug)...

FAILURE: Build failed with an exception.

* Where:
Build file 'D:\Projects 2016\Web\Android\FirstApp\AwesomeProject\android\app\build.gradle' line: 1

* What went wrong:
A problem occurred evaluating project ':app'.
> java.lang.UnsupportedClassVersionError: com/android/build/gradle/AppPlugin : Unsupported major.minor version 52.0

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 2.533 secs
Could not install the app on the device, read the error above for details.
Make sure you have an Android emulator running or a device connected and have
set up your Android development environment:
https://facebook.github.io/react-native/docs/android-setup.html