Concept 01: Introduction to Mobile Development

# Install Node.js from https://nodejs.org/
# Then install Expo CLI globally
npm install -g @expo/cli

# Verify installation
expo --version

# Create new project
expo init MyCreativeStudio --template blank

# Navigate and start
cd MyCreativeStudio
expo start

import React, { useState } from 'react';
import { StyleSheet, Text, View, TouchableOpacity } from 'react-native';

export default function App() {
  const [isPressed, setIsPressed] = useState(false);

  return (
    <View style={styles.container}>
      <Text style={styles.title}>My Creative Studio</Text>
      <Text style={styles.subtitle}>Ready to create amazing things!</Text>
      
      <TouchableOpacity 
        style={[styles.button, isPressed && styles.buttonPressed]}
        onPress={() => setIsPressed(!isPressed)}
      >
        <Text style={styles.buttonText}>
          {isPressed ? 'Creating!' : 'Start Creating'}
        </Text>
      </TouchableOpacity>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#1a1a1a',
    alignItems: 'center',
    justifyContent: 'center',
    padding: 20,
  },
  title: {
    fontSize: 28,
    fontWeight: 'bold',
    color: '#fff',
    marginBottom: 10,
  },
  subtitle: {
    fontSize: 16,
    color: '#888',
    marginBottom: 40,
  },
  button: {
    backgroundColor: '#6366f1',
    paddingHorizontal: 30,
    paddingVertical: 15,
    borderRadius: 8,
  },
  buttonPressed: {
    backgroundColor: '#4f46e5',
  },
  buttonText: {
    color: 'white',
    fontSize: 16,
    fontWeight: 'bold',
  },
});