طراحی و اجرای اپلیکیشن اندرویدی

1. User Authentication Time: 20–40 hours. Tasks: Implement login/register screens. Integrate with a backend API for authentication. Handle token storage securely (e.g., using EncryptedSharedPreferences). 2. Push Notifications Time: 10–20 hours. Tasks: Integrate Firebase Cloud Messaging (FCM). Handle notification display and user interaction. 3. File Downloading Time: 30–50 hours. Tasks: Implement file listing from the server. Handle background downloads using WorkManager or DownloadManager. Manage file storage and permissions. 4. Backend Integration Time: 40–60 hours. Tasks: Develop API endpoints for authentication and file management. Set up a database (e.g., PostgreSQL, MongoDB). Implement file storage (e.g., AWS S3, Google Cloud Storage). 5. UI/UX Design Time: 30–50 hours. Tasks: Design app screens (e.g., login, file list, download progress). Ensure a responsive and user-friendly interface. 6. Testing and Debugging Time: 20–40 hours. Tasks: Write unit and integration tests. Perform manual testing and bug fixes. 7. Deployment Time: 10–20 hours. Tasks: Set up Google Play Developer account. Prepare and publish the app on the Play Store.