/Javascript/React/Responsive font size react native

Responsive font size react native

React native responsive font

import { Dimensions } from 'react-native';

const { width, **fontScale** } = Dimensions.get("window");

const styles = StyleSheet.create({
    fontSize: idleFontSize / **fontScale**,
});

Source: stackoverflow.com

Change text size according to screen react native

import { Dimensions, Platform, PixelRatio } from 'react-native';

const {
       width: SCREEN_WIDTH,
       height: SCREEN_HEIGHT,
     } = Dimensions.get('window');

     // based on iphone 5s's scale
     const scale = SCREEN_WIDTH / 320   ;

  export function actuatedNormalize(size) {
  const newSize = size * scale 
   if (Platform.OS === 'ios') {
    return Math.round(PixelRatio.roundToNearestPixel(newSize))
   } else {
     return Math.round(PixelRatio.roundToNearestPixel(newSize)) - 2
   }
  }

Source: stackoverflow.com

React native scaling font

<Text
    numberOfLines={1}// add this
    adjustsFontSizeToFit// add this
    style={{textAlign:'center',fontSize:30}}
  >

Source: stackoverflow.com

Responsive font size react native

import { Dimensions, Platform, PixelRatio } from 'react-native';

const {
  width,
  height,
} = Dimensions.get('window');

export function normalize(size, multiplier = 2) {
  const scale = (width / height) * multiplier;

  const newSize = size * scale;

  return Math.round(PixelRatio.roundToNearestPixel(newSize));
}

Source: stackoverflow.com

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