Use this library if you have a small problem with the font size ๐
yarn add react-native-responsive-fontsize
# or
npm install react-native-responsive-fontsize --save| iPhone SE | iPhone X | 
|---|---|
![]()  | 
![]()  | 
| arguments | Description | |
|---|---|---|
| RFPercentage | percent: number | The font size is calculated as a percentage of the height(width in landscape mode) of the device. | 
| RFValue | value: number, standardScreenHeight?: number | The font size is calculated based on standardScreenHeight and passed value | 
- when using 
RFValue'sstandardScreenHeight- default standardScreenHeight is 
680 - In landscape mode, please pass the 
screen width 
 - default standardScreenHeight is 
 
import { RFPercentage, RFValue } from "react-native-responsive-fontsize";
const styles = StyleSheet.create({
  welcome: {
    fontSize: RFValue(24, 580) // second argument is standardScreenHeight(optional),
    textAlign: "center",
    margin: 10,
  },
  instructions: {
    textAlign: "center",
    color: "#333333",
    marginBottom: 5,
    fontSize: RFPercentage(5),
  },
});- support landscape mode
 -  make 
test code 


