Initial commit

.gitignore

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+# Learn more https://docs.github.com/en/get-started/getting-started-with-git/ignoring-files
+
+# dependencies
+node_modules/
+
+# Expo
+.expo/
+dist/
+web-build/
+expo-env.d.ts
+
+# Native
+.kotlin/
+*.orig.*
+*.jks
+*.p8
+*.p12
+*.key
+*.mobileprovision
+
+# Metro
+.metro-health-check*
+
+# debug
+npm-debug.*
+yarn-debug.*
+yarn-error.*
+
+# macOS
+.DS_Store
+*.pem
+
+# local env files
+.env*.local
+
+# typescript
+*.tsbuildinfo
+
+# generated native folders
+/ios
+/android

App.tsx

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+import React from 'react';
+import { NavigationContainer, DefaultTheme } from '@react-navigation/native';
+import { createStackNavigator } from '@react-navigation/stack';
+import { Provider } from 'react-redux';
+import { store } from './store/store';
+import EventsScreen from './screens/EventsScreen';
+import DetailsScreen from './screens/DetailsScreen';
+import FavoritesScreen from './screens/FavoritesScreen';
+import { TouchableOpacity, Text } from 'react-native';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
+
+const Stack = createStackNavigator();
+
+const DarkTheme = {
+  ...DefaultTheme,
+  colors: {
+    ...DefaultTheme.colors,
+    primary: '#ff00ff',
+    background: '#000000',
+    card: '#1a1a1a',
+    text: '#ffffff',
+    border: '#333333',
+  },
+};
+
+export default function App() {
+  return (
+    <GestureHandlerRootView style={{ flex: 1 }}>
+      <Provider store={store}>
+        <NavigationContainer theme={DarkTheme}>
+        <Stack.Navigator>
+          <Stack.Screen
+            name="Events"
+            component={EventsScreen}
+            options={({ navigation }) => ({
+              title: 'Események',
+              headerRight: () => (
+                <TouchableOpacity onPress={() => navigation.navigate('Favorites')} style={{ marginRight: 16 }}>
+                  <Text style={{ fontSize: 18, color: '#ff00ff' }}>like</Text>
+                </TouchableOpacity>
+              ),
+            })}
+          />
+          <Stack.Screen name="Details" component={DetailsScreen} options={{ title: 'Részletek' }} />
+          <Stack.Screen name="Favorites" component={FavoritesScreen} options={{ title: 'Kedvencek' }} />
+        </Stack.Navigator>
+      </NavigationContainer>
+    </Provider>
+    </GestureHandlerRootView>
+  );
+}

app.json

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+{
+  "expo": {
+    "name": "feladat1-esemenykezelo",
+    "slug": "feladat1-esemenykezelo",
+    "version": "1.0.0",
+    "orientation": "portrait",
+    "icon": "./assets/icon.png",
+    "userInterfaceStyle": "light",
+    "newArchEnabled": true,
+    "splash": {
+      "image": "./assets/splash-icon.png",
+      "resizeMode": "contain",
+      "backgroundColor": "#ffffff"
+    },
+    "ios": {
+      "supportsTablet": true
+    },
+    "android": {
+      "adaptiveIcon": {
+        "foregroundImage": "./assets/adaptive-icon.png",
+        "backgroundColor": "#ffffff"
+      }
+    },
+    "web": {
+      "favicon": "./assets/favicon.png"
+    }
+  }
+}

index.ts

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+import { registerRootComponent } from 'expo';
+
+import App from './App';
+
+// registerRootComponent calls AppRegistry.registerComponent('main', () => App);
+// It also ensures that whether you load the app in Expo Go or in a native build,
+// the environment is set up appropriately
+registerRootComponent(App);

package.json

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+{
+  "name": "feladat1-esemenykezelo",
+  "version": "1.0.0",
+  "main": "index.ts",
+  "scripts": {
+    "start": "expo start",
+    "android": "expo start --android",
+    "ios": "expo start --ios",
+    "web": "expo start --web"
+  },
+  "dependencies": {
+    "@react-native-async-storage/async-storage": "2.2.0",
+    "@react-navigation/native": "^7.1.28",
+    "@react-navigation/stack": "^7.7.2",
+    "@reduxjs/toolkit": "^2.11.2",
+    "expo": "~54.0.33",
+    "expo-status-bar": "~3.0.9",
+    "react": "19.1.0",
+    "react-dom": "19.1.0",
+    "react-native": "0.81.5",
+    "react-native-gesture-handler": "~2.28.0",
+    "react-native-safe-area-context": "^5.6.2",
+    "react-native-screens": "~4.16.0",
+    "react-native-web": "^0.21.0",
+    "react-redux": "^9.2.0"
+  },
+  "devDependencies": {
+    "@types/react": "~19.1.0",
+    "typescript": "~5.9.2"
+  },
+  "private": true
+}

screens/DetailsScreen.tsx

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+import React from 'react';
+import { View, Text, StyleSheet } from 'react-native';
+
+export default function DetailsScreen({ route }: any) {
+  const { event } = route.params;
+
+  return (
+    <View style={styles.container}>
+      <Text style={styles.title}>{event.name}</Text>
+      <Text style={styles.date}>{new Date(event.date).toLocaleDateString()}</Text>
+      <Text style={styles.description}>{event.description}</Text>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16 },
+  title: { fontSize: 24, fontWeight: 'bold', marginBottom: 8 },
+  date: { fontSize: 14, color: '#666', marginBottom: 16 },
+  description: { fontSize: 16 },
+});

screens/EventsScreen.tsx

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+import React, { useEffect } from 'react';
+import { View, Text, FlatList, TouchableOpacity, StyleSheet } from 'react-native';
+import { useDispatch, useSelector } from 'react-redux';
+import { setEvents, toggleFavorite } from '../store/eventsSlice';
+import { RootState } from '../store/store';
+
+export default function EventsScreen({ navigation }: any) {
+  const dispatch = useDispatch();
+  const { events, favorites } = useSelector((state: RootState) => state.events);
+
+  useEffect(() => {
+    fetch('https://jsonplaceholder.typicode.com/posts')
+      .then(res => res.json())
+      .then(data => {
+        const mappedEvents = data.slice(0, 20).map((item: any) => ({
+          id: item.id.toString(),
+          name: item.title,
+          description: item.body,
+          date: new Date().toISOString(),
+        }));
+        dispatch(setEvents(mappedEvents));
+      });
+  }, []);
+
+  return (
+    <View style={styles.container}>
+      <FlatList
+        data={events}
+        keyExtractor={item => item.id}
+        renderItem={({ item }) => (
+          <TouchableOpacity
+            style={styles.item}
+            onPress={() => navigation.navigate('Details', { event: item })}
+          >
+            <Text style={styles.title}>{item.name}</Text>
+            <TouchableOpacity
+              onPress={() => dispatch(toggleFavorite(item.id))}
+              style={styles.favBtn}
+            >
+              <Text>{favorites.includes(item.id) ? '❤️' : '🤍'}</Text>
+            </TouchableOpacity>
+          </TouchableOpacity>
+        )}
+      />
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16, backgroundColor: '#000000' },
+  item: { padding: 16, borderBottomWidth: 1, borderBottomColor: '#333333', flexDirection: 'row', justifyContent: 'space-between' },
+  title: { fontSize: 16, flex: 1, color: '#ffffff' },
+  favBtn: { padding: 8 },
+});

screens/FavoritesScreen.tsx

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+import React from 'react';
+import { View, Text, FlatList, TouchableOpacity, StyleSheet } from 'react-native';
+import { useSelector } from 'react-redux';
+import { RootState } from '../store/store';
+
+export default function FavoritesScreen({ navigation }: any) {
+  const { events, favorites } = useSelector((state: RootState) => state.events);
+  const favoriteEvents = events.filter(e => favorites.includes(e.id));
+
+  return (
+    <View style={styles.container}>
+      {favoriteEvents.length === 0 ? (
+        <Text style={styles.empty}>Nincs kedvenc esemény</Text>
+      ) : (
+        <FlatList
+          data={favoriteEvents}
+          keyExtractor={item => item.id}
+          renderItem={({ item }) => (
+            <TouchableOpacity
+              style={styles.item}
+              onPress={() => navigation.navigate('Details', { event: item })}
+            >
+              <Text style={styles.title}>{item.name}</Text>
+            </TouchableOpacity>
+          )}
+        />
+      )}
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, padding: 16 },
+  item: { padding: 16, borderBottomWidth: 1 },
+  title: { fontSize: 16 },
+  empty: { textAlign: 'center', marginTop: 50, fontSize: 16, color: '#666' },
+});

store/eventsSlice.ts

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+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+
+interface Event {
+  id: string;
+  name: string;
+  description: string;
+  date: string;
+}
+
+interface EventsState {
+  events: Event[];
+  favorites: string[];
+}
+
+const initialState: EventsState = {
+  events: [],
+  favorites: [],
+};
+
+const eventsSlice = createSlice({
+  name: 'events',
+  initialState,
+  reducers: {
+    setEvents: (state, action: PayloadAction<Event[]>) => {
+      state.events = action.payload;
+    },
+    toggleFavorite: (state, action: PayloadAction<string>) => {
+      const index = state.favorites.indexOf(action.payload);
+      if (index > -1) {
+        state.favorites.splice(index, 1);
+      } else {
+        state.favorites.push(action.payload);
+      }
+    },
+  },
+});
+
+export const { setEvents, toggleFavorite } = eventsSlice.actions;
+export default eventsSlice.reducer;

store/store.ts

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+import { configureStore } from '@reduxjs/toolkit';
+import eventsReducer from './eventsSlice';
+
+export const store = configureStore({
+  reducer: {
+    events: eventsReducer,
+  },
+});
+
+export type RootState = ReturnType<typeof store.getState>;
+export type AppDispatch = typeof store.dispatch;

tsconfig.json

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+{
+  "extends": "expo/tsconfig.base",
+  "compilerOptions": {
+    "strict": true
+  }
+}