React Native: how to fix error: SDK location not found. Define location with an ANDROID_SDK_ROOT environment

 Sample error:

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D:\VueNative\demo>react-native run-android (node:1644) Warning: Accessing non-existent property 'padLevels' of module expor ts inside circular dependency (Use `node --trace-warnings ...` to show where the warning was created) info JS server already running. info Building and installing the app on the device (cd android && gradlew.bat ap p:installDebug)...   FAILURE: Build failed with an exception.   * What went wrong: A problem occurred configuring project ':app'. > SDK location not found. Define location with an ANDROID_SDK_ROOT environment v ariable or by setting the sdk.dir path in your project's local properties file a t 'D:\VueNative\demo\android\local.properties'.   * 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   Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0. Use '--warning-mode all' to show the individual deprecation warnings. See https://docs.gradle.org/6.3/userguide/command_line_interface.html#sec:comman d_line_warnings   BUILD FAILED in 1s error 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/getting-started.html error Command failed: gradlew.bat app:installDebug. Run CLI with --verbose flag for more details.

Solution: Create file local.properties

1	sdk.dir=C:/Users/Administrator/AppData/Local/Android/Sdk

Done!