Initial commit

screens/ProfileScreen.tsx

@@ -0,0 +1,43 @@
+import React, { useState, useEffect } from 'react';
+import { View, Text, TextInput, Button, StyleSheet } from 'react-native';
+import { signOut } from 'firebase/auth';
+import { doc, getDoc, updateDoc } from 'firebase/firestore';
+import { auth, db } from '../config/firebase';
+
+export default function ProfileScreen({ navigation }: any) {
+  const [name, setName] = useState('');
+
+  useEffect(() => {
+    loadProfile();
+  }, []);
+
+  const loadProfile = async () => {
+    const userDoc = await getDoc(doc(db, 'users', auth.currentUser!.uid));
+    setName(userDoc.data()?.name || '');
+  };
+
+  const handleSave = async () => {
+    await updateDoc(doc(db, 'users', auth.currentUser!.uid), { name });
+    alert('Profil mentve');
+  };
+
+  const handleLogout = async () => {
+    await signOut(auth);
+    navigation.replace('Login');
+  };
+
+  return (
+    <View style={styles.container}>
+      <Text style={styles.title}>Profil</Text>
+      <TextInput style={styles.input} placeholder="Név" value={name} onChangeText={setName} />
+      <Button title="Mentés" onPress={handleSave} />
+      <Button title="Kijelentkezés" onPress={handleLogout} />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16, justifyContent: 'center' },
+  title: { fontSize: 24, fontWeight: 'bold', marginBottom: 16, textAlign: 'center' },
+  input: { borderWidth: 1, padding: 8, marginBottom: 16, borderRadius: 4 },
+});