🚀 Overview

Pro 4K Wallpaper 2022 is a high-performance Android wallpaper and photo editor app that allows users to browse, download, and customize
4K Ultra HD wallpapers while editing them with built-in filters, crop tools, and overlays. Integrated with AdMob and
Facebook Bidding Ads, it offers a sustainable monetization solution for developers and publishers.

Experience: Designed for real-world scalability, this app is ideal for content creators, wallpaper curators, or developers looking to
build an engaging visual experience powered by push notifications and ad revenue optimization.

✨ Key Features

• 🖼️ 4K HD Wallpapers: Curated categories (nature, cars, anime, quotes, space, abstract, etc.).
• 🎨 Photo Editor: Crop, rotate, brightness, filters, stickers, and background blur tools.
• 🔍 Smart Search: Find wallpapers by keyword, tag, or color tone.
• 📲 Set Wallpaper: Apply directly as Home/Lock screen or both with auto-fit.
• 🌈 Favorites & Downloads: Save wallpapers offline and manage favorites in user profile.
• 🚀 Push Notifications: OneSignal/Firebase notifications for new wallpaper categories or promotions.
• 💰 Ad Integration: AdMob & Facebook Audience Network with bidding support (rewarded/interstitial/banner).
• ⚙️ Admin Panel: Manage categories, wallpapers, ads, and users from a web dashboard.
• 📈 Analytics: Firebase Analytics and Crashlytics integrated for performance tracking.
• 🌐 Multi-language & RTL Support: Built-in localization for global audience reach.

⚙️ Technical Stack

• Frontend: Flutter 3.x (Dart 3) or Native Android (Kotlin/Java) depending on version.
• Backend: PHP 8.1+ (Laravel or custom REST API), MySQL 8 for data storage.
• Cloud: Firebase for push notifications and analytics.
• Ads: Google AdMob, Facebook Audience Network (Bidding SDK).
• Server Requirements: PHP 8.1+, MySQL 8, Nginx/Apache, HTTPS/TLS 1.2+, JSON, cURL, GD.
• Build Tools: Android Studio (Giraffe+), Gradle 8+, Flutter SDK or Android SDK 34.

🧩 Installation Guide

1. Extract the source package and open it in Android Studio or VS Code.
2. Run flutter pub get or sync Gradle files (if native Android).
3. Set your API base URL in lib/config.dart or app/src/main/java/utils/Config.java.
4. Configure AdMob and Facebook Ads IDs in strings.xml or environment file.
5. Enable push notifications via Firebase (add google-services.json).
6. Build signed APK or AAB with flutter build apk --release or Android Studio “Build → Generate Signed Bundle”.
7. Deploy backend (PHP/MySQL) to your hosting and connect the API endpoints.

📦 Deliverables

• ✅ Complete Android/Flutter source code
• ✅ Admin panel (PHP backend + MySQL schema)
• ✅ Firebase configuration (Push + Analytics)
• ✅ AdMob & Facebook Bidding integration setup
• ✅ Documentation and installation guide
• ✅ GPL license file

📱 Supported Platforms

• Android: Version 8.0 (Oreo) and above
• iOS: 13+ (optional Flutter build)
• Web Admin: Chrome, Safari, Edge, Firefox (latest)

👨‍💻 Original Developer Credit

This app concept is inspired by premium wallpaper systems available on CodeCanyon.
Support the original author by visiting:
CodeCanyon – Original Developer.

🔒 Disclaimer

This source code is redistributed under the GPL v3 license for educational and development purposes.
We are not affiliated with Facebook, Google, or the original vendor. All product names, logos, and trademarks
are property of their respective owners. Production use requires compliance with Google Play and Ad policies.