react-native-responsive-screen-font/examples/responsive-screen-orientation-change/App.js

Make React Native views responsive for all devices screens and fonts with the use of 4 simple methods.

// packages
import * as React from "react";
import { StyleSheet, Text, View, Dimensions } from "react-native";
import {
  widthPercentageToDP,
  heightPercentageToDP,
  listenOrientationChange,
  removeOrientationListener,
} from "react-native-responsive-screen-font";

export default class App extends React.Component {
  componentWillMount() {
    listenOrientationChange(this);
  }

  componentWillUnMount() {
    removeOrientationListener();
  }

  render() {
    const styles = StyleSheet.create({
      container: {
        flex: 1,
        backgroundColor: "gray",
        alignItems: "center",
        justifyContent: "center",
      },
      responsiveBox: {
        width: widthPercentageToDP("84.5%"),
        height: heightPercentageToDP("17%"),
        borderWidth: 2,
        borderColor: "orange",
        flexDirection: "column",
        justifyContent: "space-around",
      },
      text: {
        color: "white",
      },
    });

    return (
      <View style={styles.container}>
        <View style={styles.responsiveBox}>
          <Text style={styles.text}>
            This box is always of 84.5% width and 17% height.
          </Text>
          <Text style={styles.text}>
            Test it by running this example repo in phones/ emulators with
            screens of various dimensions and pixel per inch (ppi).
          </Text>
        </View>
      </View>
    );
  }
}