HOW TO CHANGE APP ICON REACT NATIVE ?

 

Ok, you can use tools this : https://appicon.co/#app-icon

Support IOS and ANDROID 

You create image 1024x1024, next upload in web, and wait in proccessing image to finish

*this web not support icon rounded for android, me have solution, check down line

use tools this : http://romannurik.github.io/AndroidAssetStudio/icons-launcher.html

Web support ANDROID Only for icon rounded

you can change splashscreen ? yes this https://appicon.co/#app-icon support to generate imageAsset

me refrence web blog here : https://blog.logrocket.com/building-a-splash-screen-in-react-native/