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androidreact-native

How to add custom font in react native android

I want to set fontFamily to roboto thin of my toolbar title.

I have added roboto thin ttf in assets/fonts folder of my android project, however it seems that it is creating issues while running app. I am getting this issue while running

react-native start

ERROR  EPERM: operation not permitted, lstat 'E:\Myntra\android\app\build\gener
ated\source\r\debug\android\support\v7\appcompat'
{"errno":-4048,"code":"EPERM","syscall":"lstat","path":"E:\\Myntra\\android\\app
\\build\\generated\\source\\r\\debug\\android\\support\\v7\\appcompat"}
Error: EPERM: operation not permitted, lstat 'E:\Myntra\android\app\build\genera
ted\source\r\debug\android\support\v7\appcompat'
    at Error (native)

When I am removing the font then it is working fine. I am unable to fix this issue. What's the reason?

Solution
    1. Add your fonts file in
    • Project folder/android/app/src/main/assets/fonts/font_name.ttf
    1. Restart the package manager using react-native run-android
    2. Then you can use your font in your style e.g
    • fontFamily: 'font_name'