React Native Change Font

react.native.custom-font.jsx

import React, {Component} from 'react';
import {StyleSheet, Text} from 'react-native';

type Props = {
  slogan: string
};

export default class Title extends Component<Props> {
  render() {
    return (<Text style={styles.welcome}>
      {this.props.slogan}
    </Text>);
  }
}

const styles = StyleSheet.create({
  welcome: {
    fontFamily: 'ProximaNova-Bold',
    fontSize: 24,
    color: '#161616'
  }
});