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Description
(node:7416) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead.
Starting JS server...
Running C:\Users\Administrator\AppData\Local\Android\Sdk/platform-tools/adb reverse tcp:8081 tcp:8081
adb.exe: error: no devices/emulators found
Could not run adb reverse: Command failed: C:\Users\Administrator\AppData\Local\Android\Sdk/platform-tools/adb reverse tcp:8081 tcp:8081
Building and installing the app on the device (cd android && gradlew.bat installDebug...
FAILURE: Build failed with an exception.
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What went wrong:
Could not determine java version from '12.0.2'. -
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
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