Anmeldung und Kalendar
This commit is contained in:
Ismail Ali
@@ -1,75 +1,501 @@
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import { Image } from 'expo-image';
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import { Platform, StyleSheet } from 'react-native';
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import AsyncStorage from "@react-native-async-storage/async-storage";
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import * as LocalAuthentication from "expo-local-authentication";
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import * as SQLite from "expo-sqlite";
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import React, { useEffect, useState } from "react";
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import {
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ActivityIndicator,
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Alert,
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KeyboardAvoidingView,
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Platform,
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SafeAreaView,
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StyleSheet,
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Text,
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TextInput,
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TouchableOpacity,
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View,
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} from "react-native";
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import CalendarSync from "../../components/CalendarSync";
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import { HelloWave } from '@/components/HelloWave';
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import ParallaxScrollView from '@/components/ParallaxScrollView';
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import { ThemedText } from '@/components/ThemedText';
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import { ThemedView } from '@/components/ThemedView';
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// Types
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interface User {
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id: number;
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email: string;
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firstName: string;
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lastName: string;
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createdAt: string;
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}
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// Simple Auth Component
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export default function AuthScreen() {
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const [isLoggedIn, setIsLoggedIn] = useState(false);
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const [loading, setLoading] = useState(true);
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const [currentUser, setCurrentUser] = useState<User | null>(null);
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const [authMode, setAuthMode] = useState<"login" | "register">("login");
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// Form states
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const [email, setEmail] = useState("");
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const [password, setPassword] = useState("");
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const [firstName, setFirstName] = useState("");
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const [lastName, setLastName] = useState("");
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const [biometricSupported, setBiometricSupported] = useState(false);
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const [showCalendar, setShowCalendar] = useState(false);
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// Database
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const [db, setDb] = useState<SQLite.SQLiteDatabase | null>(null);
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useEffect(() => {
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initApp();
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}, []);
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const initApp = async () => {
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try {
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// Initialize database
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const database = await SQLite.openDatabaseAsync("AuthApp.db");
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setDb(database);
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await database.execAsync(`
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CREATE TABLE IF NOT EXISTS users (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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email TEXT UNIQUE NOT NULL,
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firstName TEXT NOT NULL,
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lastName TEXT NOT NULL,
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password TEXT NOT NULL,
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createdAt TEXT NOT NULL
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)
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`);
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// Check biometric support
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const compatible = await LocalAuthentication.hasHardwareAsync();
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const enrolled = await LocalAuthentication.isEnrolledAsync();
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setBiometricSupported(compatible && enrolled);
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// Check if user is logged in
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const session = await AsyncStorage.getItem("@user_session");
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if (session) {
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const userData = JSON.parse(session);
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setCurrentUser(userData.user);
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setIsLoggedIn(true);
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}
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} catch (error) {
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console.error("App initialization failed:", error);
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} finally {
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setLoading(false);
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}
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};
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const handleRegister = async () => {
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if (!email || !password || !firstName || !lastName) {
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Alert.alert("Fehler", "Bitte füllen Sie alle Felder aus.");
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return;
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}
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if (password.length < 6) {
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Alert.alert(
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"Fehler",
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"Das Passwort muss mindestens 6 Zeichen lang sein."
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);
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return;
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}
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if (!db) return;
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try {
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setLoading(true);
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const createdAt = new Date().toISOString();
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const result = await db.runAsync(
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"INSERT INTO users (email, firstName, lastName, password, createdAt) VALUES (?, ?, ?, ?, ?)",
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[email, firstName, lastName, password, createdAt]
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);
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const newUser: User = {
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id: result.lastInsertRowId,
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email,
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firstName,
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lastName,
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createdAt,
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};
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// Save session
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await AsyncStorage.setItem(
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"@user_session",
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JSON.stringify({ user: newUser })
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);
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setCurrentUser(newUser);
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setIsLoggedIn(true);
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Alert.alert("Erfolg", "Registrierung erfolgreich!");
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} catch (error: any) {
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if (error.message?.includes("UNIQUE constraint failed")) {
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Alert.alert(
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"Fehler",
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"Ein Benutzer mit dieser E-Mail existiert bereits."
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);
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} else {
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Alert.alert("Fehler", "Registrierung fehlgeschlagen.");
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}
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} finally {
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setLoading(false);
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}
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};
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const handleLogin = async () => {
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if (!email || !password) {
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Alert.alert("Fehler", "Bitte füllen Sie alle Felder aus.");
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return;
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}
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if (!db) return;
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try {
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setLoading(true);
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const result = (await db.getFirstAsync(
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"SELECT * FROM users WHERE email = ? AND password = ?",
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[email, password]
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)) as any;
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if (result) {
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const user: User = {
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id: result.id,
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email: result.email,
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firstName: result.firstName,
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lastName: result.lastName,
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createdAt: result.createdAt,
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};
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// Save session
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await AsyncStorage.setItem("@user_session", JSON.stringify({ user }));
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setCurrentUser(user);
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setIsLoggedIn(true);
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Alert.alert("Erfolg", "Anmeldung erfolgreich!");
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} else {
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Alert.alert("Fehler", "Ungültige E-Mail oder Passwort.");
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}
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} catch (error) {
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Alert.alert("Fehler", "Anmeldung fehlgeschlagen.");
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} finally {
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setLoading(false);
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}
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};
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const handleBiometricAuth = async () => {
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try {
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const result = await LocalAuthentication.authenticateAsync({
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promptMessage: "Biometrische Authentifizierung",
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cancelLabel: "Abbrechen",
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fallbackLabel: "Passcode verwenden",
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});
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if (result.success) {
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// For demo, auto-login first user
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if (!db) return;
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const user = (await db.getFirstAsync(
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"SELECT * FROM users LIMIT 1"
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)) as any;
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if (user) {
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const userData: User = {
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id: user.id,
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email: user.email,
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firstName: user.firstName,
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lastName: user.lastName,
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createdAt: user.createdAt,
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};
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await AsyncStorage.setItem(
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"@user_session",
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JSON.stringify({ user: userData })
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);
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setCurrentUser(userData);
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setIsLoggedIn(true);
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}
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}
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} catch (error) {
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Alert.alert("Fehler", "Biometrische Authentifizierung fehlgeschlagen.");
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}
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};
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const handleLogout = async () => {
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try {
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await AsyncStorage.removeItem("@user_session");
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setCurrentUser(null);
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setIsLoggedIn(false);
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setEmail("");
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setPassword("");
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setFirstName("");
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setLastName("");
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} catch (error) {
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Alert.alert("Fehler", "Abmeldung fehlgeschlagen.");
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}
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};
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if (loading) {
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return (
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<SafeAreaView style={styles.container}>
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<View style={styles.loadingContainer}>
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<ActivityIndicator size="large" color="#007AFF" />
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<Text style={styles.loadingText}>Lade App...</Text>
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</View>
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</SafeAreaView>
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);
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}
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if (isLoggedIn && currentUser) {
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return (
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<SafeAreaView style={styles.container}>
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<View style={styles.welcomeContainer}>
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<Text style={styles.welcomeTitle}>Willkommen zurück!</Text>
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<Text style={styles.userName}>
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{currentUser.firstName} {currentUser.lastName}
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</Text>
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<View style={styles.userInfo}>
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<Text style={styles.infoLabel}>E-Mail:</Text>
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<Text style={styles.infoValue}>{currentUser.email}</Text>
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<Text style={styles.infoLabel}>Mitglied seit:</Text>
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<Text style={styles.infoValue}>
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{new Date(currentUser.createdAt).toLocaleDateString("de-DE")}
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</Text>
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</View>
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<TouchableOpacity style={styles.logoutButton} onPress={handleLogout}>
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<Text style={styles.logoutButtonText}>Abmelden</Text>
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</TouchableOpacity>
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<TouchableOpacity
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style={[styles.submitButton, { marginTop: 20 }]}
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onPress={() => setShowCalendar((prev) => !prev)}
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>
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<Text style={styles.submitButtonText}>
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{showCalendar ? "Kalender ausblenden" : "Kalender anzeigen"}
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</Text>
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</TouchableOpacity>
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{showCalendar && <CalendarSync />}
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</View>
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</SafeAreaView>
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);
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}
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export default function HomeScreen() {
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return (
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<ParallaxScrollView
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headerBackgroundColor={{ light: '#A1CEDC', dark: '#1D3D47' }}
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headerImage={
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<Image
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source={require('@/assets/images/partial-react-logo.png')}
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style={styles.reactLogo}
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/>
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}>
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<ThemedView style={styles.titleContainer}>
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<ThemedText type="title">Welcome!</ThemedText>
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<HelloWave />
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</ThemedView>
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<ThemedView style={styles.stepContainer}>
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<ThemedText type="subtitle">Step 1: Try it</ThemedText>
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<ThemedText>
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Edit <ThemedText type="defaultSemiBold">app/(tabs)/index.tsx</ThemedText> to see changes.
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Press{' '}
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<ThemedText type="defaultSemiBold">
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{Platform.select({
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ios: 'cmd + d',
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android: 'cmd + m',
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web: 'F12',
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})}
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</ThemedText>{' '}
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to open developer tools.
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</ThemedText>
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</ThemedView>
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<ThemedView style={styles.stepContainer}>
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<ThemedText type="subtitle">Step 2: Explore</ThemedText>
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<ThemedText>
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{`Tap the Explore tab to learn more about what's included in this starter app.`}
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</ThemedText>
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</ThemedView>
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<ThemedView style={styles.stepContainer}>
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<ThemedText type="subtitle">Step 3: Get a fresh start</ThemedText>
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<ThemedText>
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{`When you're ready, run `}
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<ThemedText type="defaultSemiBold">npm run reset-project</ThemedText> to get a fresh{' '}
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<ThemedText type="defaultSemiBold">app</ThemedText> directory. This will move the current{' '}
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<ThemedText type="defaultSemiBold">app</ThemedText> to{' '}
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<ThemedText type="defaultSemiBold">app-example</ThemedText>.
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</ThemedText>
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</ThemedView>
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</ParallaxScrollView>
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<SafeAreaView style={styles.container}>
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<KeyboardAvoidingView
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style={styles.keyboardView}
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behavior={Platform.OS === "ios" ? "padding" : "height"}
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>
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<View style={styles.authContainer}>
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<Text style={styles.title}>
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{authMode === "login" ? "Anmelden" : "Registrieren"}
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</Text>
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{authMode === "register" && (
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<>
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<TextInput
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style={styles.input}
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placeholder="Vorname"
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value={firstName}
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onChangeText={setFirstName}
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autoCapitalize="words"
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/>
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<TextInput
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style={styles.input}
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placeholder="Nachname"
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value={lastName}
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onChangeText={setLastName}
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autoCapitalize="words"
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/>
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</>
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)}
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<TextInput
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style={styles.input}
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placeholder="E-Mail"
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value={email}
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onChangeText={setEmail}
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keyboardType="email-address"
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autoCapitalize="none"
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/>
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<TextInput
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style={styles.input}
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placeholder="Passwort"
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value={password}
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onChangeText={setPassword}
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secureTextEntry
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autoCapitalize="none"
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/>
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<TouchableOpacity
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style={styles.submitButton}
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onPress={authMode === "login" ? handleLogin : handleRegister}
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disabled={loading}
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>
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{loading ? (
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<ActivityIndicator color="white" />
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) : (
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<Text style={styles.submitButtonText}>
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{authMode === "login" ? "Anmelden" : "Registrieren"}
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</Text>
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)}
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</TouchableOpacity>
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{biometricSupported && authMode === "login" && (
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<TouchableOpacity
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style={styles.biometricButton}
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onPress={handleBiometricAuth}
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>
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<Text style={styles.biometricButtonText}>
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Mit Face ID / Touch ID anmelden
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</Text>
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</TouchableOpacity>
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)}
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<TouchableOpacity
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style={styles.switchButton}
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onPress={() =>
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setAuthMode(authMode === "login" ? "register" : "login")
|
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}
|
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>
|
||||
<Text style={styles.switchButtonText}>
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{authMode === "login"
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? "Noch kein Konto? Registrieren"
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: "Bereits ein Konto? Anmelden"}
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||||
</Text>
|
||||
</TouchableOpacity>
|
||||
</View>
|
||||
</KeyboardAvoidingView>
|
||||
</SafeAreaView>
|
||||
);
|
||||
}
|
||||
|
||||
const styles = StyleSheet.create({
|
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titleContainer: {
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||||
flexDirection: 'row',
|
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alignItems: 'center',
|
||||
gap: 8,
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||||
container: {
|
||||
flex: 1,
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backgroundColor: "#f8f9fa",
|
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},
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stepContainer: {
|
||||
gap: 8,
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||||
marginBottom: 8,
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||||
keyboardView: {
|
||||
flex: 1,
|
||||
},
|
||||
reactLogo: {
|
||||
height: 178,
|
||||
width: 290,
|
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bottom: 0,
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||||
left: 0,
|
||||
position: 'absolute',
|
||||
authContainer: {
|
||||
flex: 1,
|
||||
justifyContent: "center",
|
||||
paddingHorizontal: 30,
|
||||
},
|
||||
loadingContainer: {
|
||||
flex: 1,
|
||||
justifyContent: "center",
|
||||
alignItems: "center",
|
||||
},
|
||||
loadingText: {
|
||||
marginTop: 10,
|
||||
fontSize: 16,
|
||||
color: "#666",
|
||||
},
|
||||
welcomeContainer: {
|
||||
flex: 1,
|
||||
justifyContent: "center",
|
||||
paddingHorizontal: 30,
|
||||
},
|
||||
welcomeTitle: {
|
||||
fontSize: 28,
|
||||
fontWeight: "bold",
|
||||
color: "#333",
|
||||
textAlign: "center",
|
||||
marginBottom: 10,
|
||||
},
|
||||
userName: {
|
||||
fontSize: 20,
|
||||
color: "#666",
|
||||
textAlign: "center",
|
||||
marginBottom: 40,
|
||||
},
|
||||
userInfo: {
|
||||
backgroundColor: "white",
|
||||
padding: 20,
|
||||
borderRadius: 10,
|
||||
marginBottom: 30,
|
||||
elevation: 2,
|
||||
shadowColor: "#000",
|
||||
shadowOffset: { width: 0, height: 2 },
|
||||
shadowOpacity: 0.1,
|
||||
shadowRadius: 4,
|
||||
},
|
||||
infoLabel: {
|
||||
fontSize: 14,
|
||||
color: "#666",
|
||||
marginTop: 10,
|
||||
},
|
||||
infoValue: {
|
||||
fontSize: 16,
|
||||
color: "#333",
|
||||
fontWeight: "500",
|
||||
marginBottom: 5,
|
||||
},
|
||||
title: {
|
||||
fontSize: 32,
|
||||
fontWeight: "bold",
|
||||
color: "#333",
|
||||
textAlign: "center",
|
||||
marginBottom: 40,
|
||||
},
|
||||
input: {
|
||||
backgroundColor: "white",
|
||||
paddingHorizontal: 15,
|
||||
paddingVertical: 15,
|
||||
borderRadius: 10,
|
||||
fontSize: 16,
|
||||
marginBottom: 15,
|
||||
elevation: 2,
|
||||
shadowColor: "#000",
|
||||
shadowOffset: { width: 0, height: 2 },
|
||||
shadowOpacity: 0.1,
|
||||
shadowRadius: 4,
|
||||
},
|
||||
submitButton: {
|
||||
backgroundColor: "#007AFF",
|
||||
paddingVertical: 15,
|
||||
borderRadius: 10,
|
||||
alignItems: "center",
|
||||
marginTop: 10,
|
||||
},
|
||||
submitButtonText: {
|
||||
color: "white",
|
||||
fontSize: 18,
|
||||
fontWeight: "600",
|
||||
},
|
||||
biometricButton: {
|
||||
backgroundColor: "#34C759",
|
||||
paddingVertical: 15,
|
||||
borderRadius: 10,
|
||||
marginTop: 15,
|
||||
alignItems: "center",
|
||||
},
|
||||
biometricButtonText: {
|
||||
color: "white",
|
||||
fontSize: 16,
|
||||
fontWeight: "600",
|
||||
},
|
||||
switchButton: {
|
||||
marginTop: 20,
|
||||
alignItems: "center",
|
||||
},
|
||||
switchButtonText: {
|
||||
color: "#007AFF",
|
||||
fontSize: 16,
|
||||
},
|
||||
logoutButton: {
|
||||
backgroundColor: "#FF3B30",
|
||||
paddingVertical: 15,
|
||||
borderRadius: 10,
|
||||
alignItems: "center",
|
||||
},
|
||||
logoutButtonText: {
|
||||
color: "white",
|
||||
fontSize: 18,
|
||||
fontWeight: "600",
|
||||
},
|
||||
});
|
||||
|
||||
Reference in New Issue
Block a user