React-Native 无法正确构建运行 Android

Question

我试图使用此命令运行一个Android项目：

react-native run-android

，但它没有构建任何东西并打印此MSG：

Starting JS server...
Building and installing the app on the device (cd android && gradlew.bat installDebug)...
FAILURE: Build failed with an exception.
* What went wrong:
A problem occurred configuring project ':app'.
> Could not download javax.inject.jar (javax.inject:javax.inject:1)
   > Could not get resource 'https://jcenter.bintray.com/javax/inject/javax.inject/1/javax.inject-1.jar'.
      > Could not GET 'https://jcenter.bintray.com/javax/inject/javax.inject/1/javax.inject-1.jar'.
         > Connect to jcenter.bintray.com:443 [jcenter.bintray.com/108.168.243.150] failed: Connection timed
t: connect
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log outpu
BUILD FAILED
Total time: 2 mins 17.303 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

我该如何修复？

Answer 1

如您所见，您需要先运行Android模拟器或连接到设备。

所以在您的终端中类型：

android avd

然后创建一个设备，如果您没有设备，然后启动它。如果模拟器运行，则可以通过键入

开始构建

react-native run-android