Expense Tracker - Draftbit Typing CST Test

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Expense Tracker — Draftbit Code

Tracks daily expenses with visual Draftbit forms and stores entries locally using React Native state.

import React, { useState } from 'react';
import { View, Text, TextInput, Button, FlatList } from 'react-native';

export default function ExpenseTracker() {
	const [expenses, setExpenses] = useState([]);
	const [amount, setAmount] = useState('');
	const [desc, setDesc] = useState('');

	const addExpense = () => {
		if(amount && desc){
		setExpenses([...expenses, { amount, desc }]);
		setAmount('');
		setDesc('');
		}
	};

	return (
		<View style={{ padding: 20 }}>
		<TextInput placeholder='Description' value={desc} onChangeText={setDesc} />
		<TextInput placeholder='Amount' keyboardType='numeric' value={amount} onChangeText={setAmount} />
		<Button title='Add Expense' onPress={addExpense} />
		<FlatList data={expenses} keyExtractor={(item, index) => index.toString()} renderItem={({item}) => <Text>{item.desc}: ${item.amount}</Text>} />
		</View>
	);
}

Draftbit Language Guide

Draftbit is a no-code and low-code visual builder for creating React Native mobile apps. It allows designers, founders, and developers to visually build screens, components, and navigation flows, while exporting clean React Native code.

Primary Use Cases

▸MVP mobile app creation
▸React Native UI design and prototyping
▸API-driven mobile applications
▸Startup app development
▸Apps requiring code export for custom development

Notable Features

▸Visual drag-and-drop React Native builder
▸100% exportable React Native code
▸API and backend integrations
▸Custom components support
▸Cross-platform deployment (iOS & Android)

Origin & Creator

Draftbit was created by Brian Luerssen, Peter Piekarczyk, and Nick Selman to make professional mobile app development accessible through a visual interface backed by production-grade React Native code.

Industrial Note

Draftbit is best suited for teams wanting design-to-code mobile app workflows, founders building MVPs, and developers who need a hybrid of no-code speed with full code export for scalability.

Quick Explain

▸Draftbit enables you to create React Native apps visually using a drag-and-drop interface.
▸You can export the generated React Native code anytime for full control and customization.
▸It integrates with APIs, authentication providers, and external services.
▸Draftbit is ideal for startups, designers, and developers who want fast mobile app development with the option to customize code.
▸Apps can be built visually, connected to data, and deployed to iOS and Android.

Core Features

▸Component-based visual builder
▸Theme and style management
▸Navigation setup (stack, tabs, drawers)
▸API connector and data binding
▸Real-time preview on device

Learning Path

▸Week 1: Learn Draftbit interface and components
▸Week 2: Create screens + navigation
▸Week 3: Connect APIs and data
▸Week 4: Build full app with dynamic content
▸Week 5: Export code and optimize

Practical Examples

▸Restaurant menu app
▸Fitness tracking UI
▸Marketplace MVP
▸Social app prototype
▸Dashboard-style mobile app

Comparisons

▸Draftbit vs FlutterFlow: Draftbit exports React Native code; FlutterFlow exports Flutter code.
▸Draftbit vs Bravo Studio: Draftbit focuses on React Native; Bravo converts Figma designs.
▸Draftbit vs Bubble: Draftbit is mobile-app focused; Bubble is web-app focused.
▸Draftbit is ideal when code export and developer flexibility are priorities.
▸UI/UX creation is fast and consistent for mobile-first apps.

Strengths

▸Clean, production-ready React Native code export
▸Fast visual UI creation
▸Ideal for MVPs and prototypes
▸Flexible for developers and non-developers
▸Integrates with any REST API or backend service

Limitations

▸No backend included (requires external APIs)
▸More complex logic requires code export
▸Learning curve for non-technical users
▸Limited offline-first capabilities
▸Advanced animations may require manual coding

When NOT to Use

▸Backend-heavy apps without APIs
▸Complex logic-heavy apps needing custom native modules
▸Fully offline-first applications
▸3D/graphics-intensive mobile apps
▸When you need server-side rendering

Cheat Sheet

▸`Screen` - app page
▸`Component` - UI element
▸`Navigator` - manages routing
▸`API Service` - connects to backend
▸`Theme` - style presets

FAQ

▸Can I export the code?
▸Yes, Draftbit gives full React Native code export.
▸Does Draftbit support iOS & Android?
▸Yes, apps are fully cross-platform.
▸Do I need coding skills?
▸No, but React Native knowledge helps for advanced customization.
▸Can I integrate my own backend?
▸Yes, through REST APIs or services like Supabase and Firebase.
▸Does it support custom components?
▸Yes, with code export or custom blocks.

30-Day Skill Plan

▸Practice building multiple UI screens
▸Learn React Native basics
▸Understand API structures (REST/JSON)
▸Experiment with custom components
▸Test apps on real devices

Final Summary

▸Draftbit is a powerful visual builder for React Native apps.
▸It provides drag-and-drop UI creation, data bindings, and navigation tools.
▸APIs can be integrated easily for dynamic content.
▸You can export full React Native code for customization.
▸Perfect for MVPs, startups, and mobile app designers.

Project Structure

▸Screens folder
▸Components folder
▸Navigation folder
▸Themes and styles
▸API services

Monetization

▸Use third-party payment APIs
▸Enable subscriptions via StoreKit/Play Billing (after export)
▸Ads added via RN libraries
▸In-app purchases require code customization
▸Backend monetization via external services

Productivity Tips

▸Start with templates
▸Use consistent themes
▸Bind API data early
▸Preview often
▸Export code for scaling

Basic Concepts

▸Screens represent app pages
▸Components build UI structure
▸Navigation determines app flow
▸APIs connect data to components
▸Themes control styling consistency

Official Docs

More Draftbit Typing Exercises

Draftbit Simple Todo App Draftbit Notes App Draftbit Weather Viewer Draftbit Fitness Tracker Draftbit Shopping List Draftbit Habit Tracker Draftbit Recipe Book Draftbit Simple Login Screen Draftbit Counter App

Practice Other Languages

C React Python C++Rust TypeScript Kotlin PHP Java C#Ruby Mql Cql N1ql Cypher

Expense Tracker — Draftbit Code

Tracks daily expenses with visual Draftbit forms and stores entries locally using React Native state.

import React, { useState } from 'react'; import { View, Text, TextInput, Button, FlatList } from 'react-native'; export default function ExpenseTracker() { const [expenses, setExpenses] = useState([]); const [amount, setAmount] = useState(''); const [desc, setDesc] = useState(''); const addExpense = () => { if(amount && desc){ setExpenses([...expenses, { amount, desc }]); setAmount(''); setDesc(''); } }; return ( <View style={{ padding: 20 }}> <TextInput placeholder='Description' value={desc} onChangeText={setDesc} /> <TextInput placeholder='Amount' keyboardType='numeric' value={amount} onChangeText={setAmount} /> <Button title='Add Expense' onPress={addExpense} /> <FlatList data={expenses} keyExtractor={(item, index) => index.toString()} renderItem={({item}) => <Text>{item.desc}: ${item.amount}</Text>} /> </View> ); }

Draftbit Language Guide

Primary Use Cases

▸MVP mobile app creation
▸React Native UI design and prototyping
▸API-driven mobile applications
▸Startup app development
▸Apps requiring code export for custom development

Notable Features

▸Visual drag-and-drop React Native builder
▸100% exportable React Native code
▸API and backend integrations
▸Custom components support
▸Cross-platform deployment (iOS & Android)

Origin & Creator

Industrial Note

Draftbit is best suited for teams wanting design-to-code mobile app workflows, founders building MVPs, and developers who need a hybrid of no-code speed with full code export for scalability.