Flutter Sports Social App | MUST PASS Offline GPS Background Tracking Demo Test firstly

@mrresearcher99

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert

@Srashtasoft

Hi there, I have read your project requirements and understand that you need a Flutter-based sports and chat application with a strong emphasis on stable background GPS tracking, route rendering, real-time messaging, and scalable backend architecture. We understand that the offline Android demo for background location tracking is a mandatory first step and are comfortable proceeding with the proof-of-concept before discussing the complete Phase 1 scope. We have experience building location-based mobile applications with real-time tracking, maps, chat integrations, and cross-platform deployments, focusing on performance and long-term stability. A few questions before proceeding: ============================= Should the offline demo use AMap directly, or is Google Maps acceptable for the initial proof-of-concept? Will the Phase 1 backend APIs be built from scratch, or do you already have part of the architecture in place? Which NetEase Yunxin modules are required initially—IM only, or audio/video capabilities as well? Besides Huawei and Xiaomi, are there any additional Android devices you want included in the background tracking tests? Best Regards, Srashtasoft Team

@ssquare489

As an adept mobile app developer specializing in cross-platform development with a strong command over Flutter and persistent compatibility issues regarding Android devices, I believe I am perfectly suited for your Flutter Sports Social app project. My solid track record in successfully publishing applications to the Apple App Store, Tencent App, and major Chinese Android app stores such as Huawei and Xiaomi demonstrates my deep understanding of platform-specific requirements. Additionally, I am well-versed with NetEase Yunxin, ensuring seamless integration of third-party IM SDKs into your application. Having previously worked at Google and Apple, I have accumulated comprehensive experience in designing intelligent and high-performing applications. These experiences have granted me profound insights into efficient project management - minimizing scope creeps, endless revisions, delayed launches, and technical debt. Instead, I focus on delivering top-notch quality results promptly so you can concentrate on marketing strategy and scaling your venture. Lastly, let me emphasize my transparent and client-centric approach that aligns perfectly with your expectations. From the outset, I ensure thorough comprehension of your objectives to deliver precisely what you envision. This translates into interactive prototypes (UI/UX wireframes or clickable demos), methodical implementation with regular updates aligned closely with your approval process to eliminate undesired surprises.

@mahads31

If you're looking for someone who treats your project like their own business, you're in the right place. Give me one opportunity to prove my expertise, and I'm confident you'll want to work with me again. As a freelance web and software developer with an expertise in Backend Development, iOS Development, Mobile App Development, and PHP, I believe I have the precise skill set you need for your sports and chatting app project. What sets me apart is my hands-on experience with cross-platform development using Flutter for both iOS and Android, perfect for ensuring the compatibility and stability you require on Chinese devices. My extensive experience with integrating third-party IM SDKs (such as NetEase Yunxin) will come in handy during the Phase 1 backend development of your project. Bluetooth tracking can be tricky, but rest assured I'm well-versed in Android background location policies including vendor-specific restrictions on devices like Huawei, OPPO, VIVO, Xiaomi, and Honor. Outside of mere skills suitability, I pride myself on providing a client-centered approach to projects. I won’t merely code based on technical requirements; rather, I’ll strategize around your business goals .

@Baber512

Hello, I have read your Complete proposal your Need a Experienced Flutter developer for sports social app. I have more than 3 years of work experience in Mobile application developemnt have a hand-on expeirence in Many terms like Figma to Flutter, Firebase, Google maps and Rest APIs integrations I am Confident that will handle your task in a reasonable price and time and I am available to start working on it Let's chat to Proceed

@ibrar03340266

I believe I would bring immense value to your project having tackled and successfully delivered multiple cross-platform projects, just like yours. For over five years, I have been deeply involved in web and mobile app development, particularly specializing in Flutter and Android platforms. This aligns perfectly with your requirement to build a robust sports app designed for offline usage with stable GPS tracking that complies with Chinese Android vendor-specific restrictions. My fluency on both iOS and Android platforms coupled with my deep understanding of the background location policies (notably on popular Chinese devices like Huawei, Xiaomi) made me confident that I can execute this project without hassle. My track record speaks volumes - having published apps in Apple App Store as well as major Chinese Android app stores Given your time frame, my commitment to using agile and scrum methodologies ensures that no more than 30 days would be invested into full Phase 1 app development. With verifiable past success working with escrow systems and the ability to deliver quality work under pressure, engaging me for this project will be yielding. Let’s connect and discuss further; together we can develop an application that not only functions optimally but stands tall in terms of scalability and maintainability as well.

@guptakishan805

With a long-standing career as a full stack developer, I am confident of passing your background tracking demo test. For over 5 years, I have engineered robust digital solutions, including AI-powered tools and mobile applications, more specifically utilizing my skills in Flutter and PHP. Additionally, my database management experience will ensure smooth project deployment and integration with NetEase Yunxin's SDK for seamless IM services. I would like to highlight my knowledge of Chinese Android background location policies, particularly with major devices like Huawei, OPPO, VIVO, Xiaomi,and Honor. This will allow us to promptly tackle any vendor-specific restrictions during location tracking on the app. It's also important to note that I have navigated the app store submission processes routinely and successfully mainly targeting Tencent App, Huawei, Xiaomi among others. Rest assured, once we launch-phase one of this project on both Android and iOS platforms, we'll hit the ground running in no time. Finally, I strive for excellent long-term operation delivering quality work built on transparency and dependability which is why client relationships tend to be long-lasting. My value doesn't just lie in developing your app but rather in ensuring that it serves your purpose efficiently throughout its lifespan. I believe in collaborative work where your opinion matters at every stage of development. I'm eager to discuss further how I can make your vision come alive!

@anilptk

Hello, I am writing to express my strong interest in your Flutter sports and chatting app project. I have extensive experience in Mobile App Development, including both Android and iOS Development. I understand that the non-negotiable first step is delivering a robust offline Android demo that proves stable, continuous background GPS tracking under lock-screen, background, and battery-saving modes on major Chinese devices like Huawei, Xiaomi, OPPO, and Vivo. I confirm that I am fully willing to build this offline demo as the first step and can deliver the prototype within 1 business day. I have deep experience handling aggressive Android battery-saving policies and background restrictions. I will implement your specific tracking intervals (5 seconds for moving, 15 seconds for stationary based on the 0.5 m/s speed threshold) and ensure a visible log displaying state, interval, timestamp, and accuracy. For the formal phase-one development, I am ready to handle the PHP backend architecture, database schema, AMap integration, and NetEase Yunxin IM SDK setup. I also have a proven track record of publishing apps to the Apple App Store and major Chinese Android app stores. I accept all your escrow payment terms and look forward to submitting the demo.

@Mofizul21

As a seasoned full-stack engineer with prevalent skills in Android, Flutter, PHP, and more, I'm your go-to person for the massive project you're undertaking. My competence encompasses developing complex mobile applications with excellent functionality, a forte that's been cultivated over years of experience and successful projects under my belt. With respect to your specific requirements, I have ample experience with Flutter for both iOS and Android platforms. Added to this, I've had significant interactions with location policies on various Chinese Android devices, which aligns well with your precise needs. I understand the gravity of building an app that ensures continuous GPS tracking in specific time intervals even when the device is not active. Indeed, this forms the bedrock of a reliable sports app as proposed. Also noteworthy is my ability to comfortably bridge front-end and back-end functionalities using Flutter and PHP respectively. This includes integrating third-party IM SDKs like the NetEase Yunxin, which you mentioned as being a possible feature on your chat-oriented app. With my solid understanding of scalable RESTful API development and my extensive database management background (MySQL & MongoDB), I'm more than capable of handling the backend architecture setup to its full capacity.

@Anika1802

Hey! Having completed by fivey years of developing robust applications and your focus on background location policies for Chinese Android vendors, I believe I'm the perfect fit for your project. For instance, my success with publishing apps to the major Chinese Android app stores (Tencent App, Huawei, Xiaomi etc.) attest to my expertise in providing long-term stability. My deep understanding of Android's background location constraints including vendor-specific restrictions will enable me to surpass your first step seamlessly. I have integrated a variety of third-party IM SDKs before and therefore integrating the NetEase Yunxin SDK won't be any different. I ensure the setup and integration of the backend architecture, API design, database schema will be seamless to provide a good experience for offline mapping on Amap. In summary, my hands-on experience with Flutter as well as other tech stacks has enabled me to develop clean coded, stable and scalable digital products like you envision in this project.I am committed to delivering quality work within the stipulated timelines. Let's get started with this demo test so we can intimately understand each other's requirements and proceed strongly in future phases. Looking forward to your positive response!

@Geetam00

With a keen interest in app development, particularly in the domain of time-efficient and GPS-reliable solutions, I'm confident that I'm the right fit for your project. As a top-rated developer on Freelancer with an impressive track record of 5+ years, my team and I are highly experienced in both cross-platform development using Flutter and working with Android background location APIs and related vendor-specific framework such as Huawei, Vivo, Oppo and Xiaomi. In fact, I'd be more than glad to meet your non-negotiable preliminary requirement of building a 100% offline Android demo app with continuous GPS tracking capabilities - even on locked-screen, background running and battery-saving modes. My experience in publishing apps to both the Apple App Store and major Chinese Android app stores such as Tencent App will definitely come in handy. Lastly, my past work on integrating third-party IM SDKs like NetEase Yunxin aligns well with your advanced project requirements. With this solid foundation, I am equipped to not only deliver a stunning sports social app for you but also ensure its long-term stability. My rates are competitive as I believe in value-oriented service. Let's elevate your vision together!

@sugamkumar27

Hi, Reliable background GPS tracking across devices like Huawei, Xiaomi, OPPO, and Vivo is often the most challenging part of location-based applications. We've worked on similar Flutter projects involving location tracking and real-time features, and would be happy to discuss the project further. Regards, Sugam

@akshayupadhyar

Hello, I have experience building Flutter apps with GPS tracking, map rendering, background services, user authentication, chat integrations, and PHP backend APIs. I understand your first requirement clearly: before discussing the full sports social app, you need an offline Android demo that proves stable background GPS tracking with route drawing, logs, and 5/15 second interval logic. I can build the demo with continuous location collection, moving/stationary detection, timestamped logs, accuracy display, and real-time trail drawing on the map. I also understand that Chinese Android devices like Huawei, Xiaomi, OPPO, Vivo, and Honor have strict battery/background restrictions, so the demo must include correct foreground service handling, background location permissions, battery optimization guidance, and real-device testing where possible. Relevant Experience: • Flutter Android/iOS apps • GPS/location-based features • Map and route tracking • Chat and real-time features • PHP backend/API development • Published mobile applications I am ready to begin with the offline GPS background tracking demo and provide source code, build instructions, and a short demonstration video. Best Regards, Akshay Kumar Upadhyay Flutter & Backend Developer

@hritikKumar42

Hello, I have reviewed the project requirements and understand that the offline GPS tracking demo is the mandatory first step before discussing the full application development. I am willing to build the offline Android demo and provide: • Continuous GPS tracking with 5-second updates while moving and 15-second updates while stationary. • Real-time route drawing on the map. • Background and lock-screen tracking implementation. • Detailed logging of timestamps, accuracy, tracking state, and update intervals. • Source code, build instructions, and demonstration video. For the full project, I can assist with Flutter application development, backend integration, API implementation, location-based features, user profiles, messaging integration, and deployment support. Before starting, I would like to confirm the exact acceptance criteria for the demo, especially regarding testing methodology on Huawei, Xiaomi, OPPO, and Vivo devices, so that the implementation can be validated against your expected standards. I look forward to discussing the project further. Best Regards, Hritik Kumar

@ryantaylor016

WE'VE JUST COMPLETED A SIMILAR PROJECT!! After reading your project, it sounds like you're looking for more than just someone who can complete a task. You need a solution that is reliable, professional, and actually helps move your business forward. We've recently completed a very similar project in the same space and helped the client turn their idea into a polished product that was easier for customers to use and easier for the business to manage. What caught my attention was your focus on quality and user experience. That's exactly where we spend most of our time, making sure everything feels clean, intuitive, fast, and built for long term growth. We handle the entire process from planning and design through development, automation, integrations, testing, and ongoing support. A quick question. If we spoke now and this project was considered a complete success, what would need to happen for you to feel it was one of the best investments you've made? I'd love to chat about your project! The worst that can happen is you walk away with a free consultation! Regards, Ryan.

@vikankshajain

Hi, I’m a Flutter developer with experience in Flutter, REST APIs, Firebase, GetX, and responsive mobile/desktop applications. I can help implement the required functionality efficiently while maintaining clean and scalable code. In addition to development, I can also provide UI/UX improvement suggestions to enhance usability, user engagement, and the overall user experience. I am available to start immediately, communicate progress regularly, and ensure timely delivery of the project. I’d be happy to discuss the requirements and suggest the best approach for implementation. Looking forward to working with you. Thank you.