import React from 'react';
import { StyleSheet, View } from 'react-native';
import { FlatList, Text } from "react-native";
import { useState } from 'react';
import Header from './components/header';

export default function App() {
  const [todos, setTodos] = useState([
    { task: 'Angular tanulás', id: '1' },
    { task: 'ReactNative tanulás', id: '2' },
    { task: 'Tisztkód tanulás', id: '3' },
    { task: 'JavaFX tanulás', id: '4' },
  ]);

  const renderItem = ({item}) => (    
    <View stlye={styles.item}>
      <Text style={styles.task}>{item.task}</Text>
    </View>
  );

  return (
    <View style={styles.container}>
      <Header />
        <FlatList 
          data={todos}
          renderItem={renderItem}
          keyExtractor={item => item.task}
        />
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
  },
  task: {    
    fontSize: 22,
  },
});