react-native-view-shot/example/src/Btn.js

//@flow
import React, { Component } from 'react';
import { Text, TouchableOpacity, StyleSheet } from 'react-native';

const styles = StyleSheet.create({
  root: {
    margin: 3,
    paddingVertical: 4,
    paddingHorizontal: 8,
    color: '#36f',
    borderWidth: 1,
    borderColor: '#36f',
    fontSize: 12,
  },
});

export default class Btn extends Component<{
  onPress: () => void,
  label: string,
}> {
  render() {
    const { onPress, label } = this.props;
    return (
      <TouchableOpacity onPress={onPress}>
        <Text style={styles.root}>{label}</Text>
      </TouchableOpacity>
    );
  }
}