react-native在run时报错

Question

• What went wrong:
  Execution failed for task ':app:transformClassesWithDexForDebug'.

com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: java.lang.UnsupportedOperationException

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

Answer 1

在RN项目目录下 确保手机已经连接或者模拟器打开
然后react-native run-android。

Answer 2

请问你这个react-native的问题解决了么？解决了的话能否告知下解决方法