4-fixed-size-elements.js

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

import { Grid, Section, Block } from 'react-native-responsive-layout';

const styles = StyleSheet.create({
  element: {
    height: 100,
    justifyContent: 'center',
  },
  text: {
    textAlign: 'center',
    color: '#02326b',
    fontSize: 30,
  },
  whiteText: {
    textAlign: 'center',
    color: 'white',
    fontSize: 30,
  },
});

export default () => (
  <Grid>
    <Section>
      <Block size={100}>
        <View style={[styles.element, { backgroundColor: '#a1cbfd' }]}>
          <Text style={styles.text}>100pt</Text>
        </View>
      </Block>
      <Block size="stretch">
        <View style={[styles.element, { backgroundColor: '#80b9fd' }]}>
          <Text style={styles.text}>stretch</Text>
        </View>
      </Block>
      <Block size="1/4">
        <View style={[styles.element, { backgroundColor: '#5fa6fc' }]}>
          <Text style={styles.text}>1/4</Text>
        </View>
      </Block>
      <Block size="25%">
        <View style={[styles.element, { backgroundColor: '#3d94fc' }]}>
          <Text style={styles.text}>25%</Text>
        </View>
      </Block>
    </Section>
    <Section>
      <Block size={150}>
        <View style={[styles.element, { backgroundColor: '#02418d' }]}>
          <Text style={styles.whiteText}>150pt{'\n'}fixed</Text>
        </View>
      </Block>
      <Block size="stretch">
        <View style={[styles.element, { backgroundColor: '#02326b' }]}>
          <Text style={styles.whiteText}>stretch{'\n'}remaining width</Text>
        </View>
      </Block>
    </Section>
  </Grid>
);