React native every time new app data when build app

 first of all go to android, for this follow below command

cd android

After that clean gradlew for this use below command

./gradlew clean

cd..

After that hit below command

npx react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res/

Now run 

npx react-native run-android

npx react-native bundle --platform android --dev false --entry-file index.js --bundle-output android/app/src/main/assets/index.android.bundle --assets-dest android/app/src/main/res/