Issue
I am installing React Native according to this website https://medium.com/@leonardobrunolima/react-native-tips-setting-up-your-development-environment-for-windows-d326635604ea, it's very useful until I run the command react-native run-android
, this is the error I receive:
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 864 file(s) to forward-jetify. Using 8 workers...
info Starting JS server...
info Launching emulator...
error Failed to launch emulator. Reason: Emulator exited before boot..
> Task :app:transformNativeLibsWithMergeJniLibsForDebug FAILED
Deprecated Gradle features were used in this build, making it incompatible with Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/5.5/userguide/command_line_interface.html#sec:command_line_warnings
24 actionable tasks: 4 executed, 20 up-to-date
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:transformNativeLibsWithMergeJniLibsForDebug'.
> Could not read path 'C:\JesusApp\android\app\build\intermediates\transforms\mergeJniLibs\debug\0\lib\x86_64'.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 7s
error Failed to install the app. Make sure you have the Android development environment set up: https://facebook.github.io/react-native/docs/getting-started.html#android-development-environment. Run CLI with --verbose flag for more details.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:transformNativeLibsWithMergeJniLibsForDebug'.
> Could not read path 'C:\JesusApp\android\app\build\intermediates\transforms\mergeJniLibs\debug\0\lib\x86_64'.
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 7s
at checkExecSyncError (child_process.js:629:11)
at execFileSync (child_process.js:647:13)
at runOnAllDevices (C:\JesusApp\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:94:39)
at process._tickCallback (internal/process/next_tick.js:68:7)
My node version is 10, and I am working on Windows, please help, thank you.
Solution
First start the android emulator on Android Studio, then execute the react-native run-android. If it doesn´t work go to android studio and do "Build -> Clean Project"
Answered By - Jesús
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