Hello Wahyu Dimas,
You have created your customized classes in custom-variable.js which is wrong. Create them in main.js
Hi wahyu dimas,
backgroundColor: 'white',
borderRadius: 0,
borderColor: 'transparent',
try to use this code it will work
or
Check out this link once
https://blog.logrocket.com/create-style-custom-buttons-react-native/
hope this helps.