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*Core Features 1. Real-Time Messaging One-to-one real-time chat Built using Node.js + [login to view URL] (or equivalent real-time engine) Messages should be delivered instantly when the receiver is online 2. Offline Message Delivery If the receiver’s mobile is offline / switched off / no internet, messages must be: Stored securely Automatically delivered when the user comes online (like WhatsApp) 3. Media & Attachments Send and receive: Text messages Images PDF files Chat window should: Auto-download attachments Show inline preview for images and PDFs (similar to WhatsApp) 4. Backend Message Sending (PHP API) Ability to send text and PDF messages from backend PHP-based API for: Sending messages Sending attachments Useful for system notifications or admin-triggered messages 5. Contact List & Chat UI Contact list should display: Contact name (if saved) Otherwise, mobile number (like WhatsApp) Show: Unread message count per contact New message indicators Read / unread status handling 6. Notifications Push notifications for new messages Notification count per contact and globally Works reliably when app is in background 7. Message Storage Strategy Mobile app must: Store previous messages, images, and PDFs locally Old messages do not need to remain on the server once delivered and synced Server storage should be minimal and optimized *Technical Requirements Real-time engine: Node.js + [login to view URL] Backend API: PHP (for sending messages from server/admin panel) Database: Developer recommendation (MySQL / MongoDB / etc.) Mobile App: Android (iOS optional – please specify) Security: Proper authentication & secure file handling *Deployment & Delivery Developer must: Install and configure backend on my VPS Deploy and test real-time server Deliver complete mobile application (APK / source code) Provide basic documentation for setup and APIs * Preferred Developer Profile Proven experience in: Real-time chat systems [login to view URL] / WebSockets Mobile app development Clean, scalable, and well-documented code
Projektin tunnus (ID): 40163244
42 ehdotukset
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Aktiivinen 20 päivää sitten
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42 freelancerit tarjoavat keskimäärin ₹15 723 INR tätä projektia

Hi I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹30 000 INR 7 päivässä
6,6
6,6

Hello, I’ve carefully reviewed your project requirements and clearly understand the tasks involved. I have 13 years of experience and strong expertise in the exact skills this project requires. I have successfully delivered similar projects before and can share relevant samples if needed. I will complete this within your expected timeline while maintaining quality and clear communication. I look forward to working with you and contributing sincerely to your project’s success.
₹7 000 INR 7 päivässä
3,0
3,0

Hello, Hope you are doing well. I have experience of 6+ years of in Mobile Applications Development and I have previously made many applications with Interactive Designs and Functionalities. I have reviewed your requirement. I will definitely design & develop a fully responsive & user-friendly application. However, I would like to dig more into your requirements to develop a unique application as per your desires App development:- Olx App Taxi App Dating App. Educational App Multivendor App. Hotel and Restaurant Booking App. Doctors/ hospital management App. Please have a look at my portfolio link : https://www.freelancer.com/u/khushiArt Best Regards Khushbu
₹8 500 INR 10 päivässä
0,9
0,9

I will design and develop a full-featured Android chat application with a robust backend to enable real-time messaging, media sharing, notifications, and user management. The app will include secure authentication, one-to-one and group chats, message history, and push notifications. The backend will be scalable, handling concurrent users efficiently, with APIs for chat operations, user profiles, and message storage. Optional features like typing indicators, read receipts, and media encryption can be implemented. The goal is to deliver a reliable, fast, and secure chat platform with a clean and intuitive interface for Android users. Let’s connect
₹7 000 INR 7 päivässä
0,9
0,9

With a proven track record of more than 5 years building scalable web applications and systems, I believe my skills and expertise lend themselves perfectly to your Android Chat App & Backend project. My experiences incorporate many elements intrinsic to your demands, such as real-time chat systems and the utilization of Node.js and Socket.io. Your desire for proper authentication, secure file handling, and efficient message storage coincide with my professional focus on tidy code, optimized solutions, and comprehensive documentation. My background in API Development extends well with your project's needs for PHP-based Backend Message Sending - be it system notifications or admin-triggered messages. Moreover, having worked extensively on mobile app development projects, I am skilled in creating efficient and smooth systems, capable of storing previous communications locally to minimize server consumption. Should you work with me, you can expect clear communication, on-time delivery, long-term technical support if required. I don't simply deliver code but rather focus on tailor-made solutions that address your core business requirements. Let's discuss further how we can build an app that not only resembles WhatsApp but also aligns well with your business needs!
₹7 000 INR 7 päivässä
0,0
0,0

Hello, I’m Ankur Hardiya, a friendly freelance developer with an awesome team. I read your requirement for Android-Chat-App and I’m super excited to develop and design a fantastic Android and iOS application for you. With my experience in Flutter and native languages, I can build high-performing apps for both Android and iOS platforms. Whether you need an eCommerce app, a custom business app, or anything in between, I can deliver: * Native app experience for optimal performance * User-friendly interface and intuitive navigation * Seamless integration with backend systems * Ongoing maintenance and updates I’m passionate about creating mobile apps that make a difference, and I’m eager to discuss your project in detail. Thanks a bunch for thinking of me for your project. I’m all set to turn your ideas into something amazing in today’s competitive world. Regards, Ankur Hardiya
₹6 000 INR 6 päivässä
0,0
0,0

NO SATISFACTION, NO PAYMENT. Failing to implement this chat system correctly could lead to data loss, poor user experience, and potential security risks, ultimately damaging user trust and your platform’s reputation. Our expertise in building real-time messaging apps with secure offline delivery and intuitive UI ensures these pitfalls are avoided, resulting in a seamless communication tool tailored to your exact needs. We have delivered similar robust chat solutions beyond this platform and are offering a strategic, limited discounted rate to establish a long-term partnership while contributing to platform credibility. If you'd like, we can discuss specifics or clarify any part of the scope to align perfectly with your vision. Warm regards Liam Jasson
₹5 000 INR 14 päivässä
0,0
0,0

Hello, I reviewed your requirements and I can build a WhatsApp-like chat app with real-time messaging, offline delivery, media sharing, and a simple backend system for sending messages from admin. What you will get: • 1-to-1 instant chat • Messages saved when user is offline and delivered automatically when online • Send text, images & PDF files • Auto download + preview images/PDF inside chat • Contact list like WhatsApp (name if saved, else number) • Unread message count + read/unread status • Push notifications working in background • Chat history stored on mobile (server storage kept minimal) ? Delivery: • Complete app (APK + source code) • Backend setup on your VPS • Testing + basic documentation If you share your preferred login method (OTP/password) and UI reference, I can start immediately.
₹10 000 INR 8 päivässä
0,0
0,0

Saya adalah kandidat terbaik untuk proyek ini karena saya mengombinasikan keahlian dalam text messages dengan rekam jejak yang terbukti dalam menyelesaikan proyek tepat waktu dan di bawah anggaran. Saya tidak hanya sekadar menyelesaikan tugas, tapi berfokus pada hasil yang memberikan nilai tambah bagi tujuan jangka panjang tim Anda
₹7 000 INR 7 päivässä
0,0
0,0

RAIPUR, India
Liittynyt heinäk. 17, 2013
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