HomeScreen.js

import React, {useContext} from 'react';
import {View, Text, TouchableOpacity, StyleSheet} from 'react-native';
import {ToastContext} from './ToastContext';

const HomeScreen = () => {
  const {show} = useContext(ToastContext);

  return (
    <View style={styles.container}>
      <TouchableOpacity onPress={() => show({message: 'Ama simple Toast!'})}>
        <Text>Show Toast</Text>
      </TouchableOpacity>
    </View>
  );
};

export default HomeScreen;

const styles = StyleSheet.create({
  container: {flex: 1, alignItems: 'center', justifyContent: 'center'},
});