android - JAVA_HOME is not set error, after running React-native app

Question

PS C:UsersPrabhudev eact-projects eact-nativemyFirstApp> react-native run-android

info JS server already running. info Building and installing the app on the device (cd android && gradlew.bat app:installDebug)...

ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the location of your Java installation.

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.

Answer 1

First Add the JDK and JRE paths to the System Variable "Path" like below:

Secondly, Add the JAVA JDK path to the USER variable as JAVA_HOME. as shown below:

Restart the cmd and go to the app directory and run the app with react-native run-android Voila: