Auto Increment Counter - Nativebase Typing CST Test

Auto Increment Counter — Nativebase Code

Counter that automatically increments every second.

import React, { useState, useEffect } from 'react';
import { NativeBaseProvider, Box, Button, VStack, Text } from 'native-base';

export default function App() {
	const [count, setCount] = useState(0);
	const [isRunning, setIsRunning] = useState(true);

	useEffect(() => {
		const timer = setInterval(() => { if(isRunning) setCount(c => c + 1); }, 1000);
		return () => clearInterval(timer);
	}, [isRunning]);

	return (
		<NativeBaseProvider>
		<Box safeArea p={4}>
		<VStack space={4} alignItems="center">
		<Text fontSize="2xl">Counter: {count}</Text>
		<Button onPress={() => setIsRunning(!isRunning)}>{isRunning ? 'Pause' : 'Resume'}</Button>
		<Button onPress={() => setCount(0)}>Reset</Button>
		</VStack>
		</Box>
		</NativeBaseProvider>
	);
}

Nativebase Language Guide

NativeBase is an open-source UI component library for React Native, providing a set of cross-platform, customizable components that accelerate mobile app development with consistent design.

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