how to generate a release bundle react native code example
Example 1: react-native make android apk
cd android && ./gradlew assembleRelease
Example 2: react-native make android apk
react-native bundle --platform android --dev false --entry-file index.android.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res/