Error: command failed: ./gradlew app:installdebug -preactnativedevserverport=8081

In order to troubleshoot the error “command failed: ./gradlew app:installdebug -preactnativedevserverport=8081”, you can follow these steps:

1. Make sure you are running the command in the correct directory.
2. Check if the gradlew file exists in the directory.
3. Ensure that you have the necessary dependencies and tools installed.
4. Verify that your Android SDK and JDK are properly set up.
5. Check for any missing or incorrect configurations in your build.gradle or related files.
6. Ensure that the preactnativedevserverport is not being used by any other process.
7. Try running the command with administrative privileges or using sudo.
8. Check for any additional error messages or log files that can provide more information about the failure.

Here’s an example of a command-line output that demonstrates how the error message could appear:

    
      error: command failed: ./gradlew app:installdebug -preactnativedevserverport=8081

      FAILURE: Build failed with an exception.

      * What went wrong:
      Execution failed for task ':app:installDebug'.
      > com.android.builder.testing.api.DeviceException: com.android.ddmlib.InstallException:
      Failed to install ${applicationName}.apk on device emulator-5554: timeout

      * 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: 3.238 secs
    
  

Keep in mind that this is just an example, and the actual error message and stack trace may vary depending on your specific setup and environment.