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I need an Android-only application that communicates with external hardware over Bluetooth. The core requirement is straightforward: establish a reliable Bluetooth connection from any modern Android phone, then expose a clean interface so I can pair, send, and receive data with the target device. You may choose the Bluetooth stack or libraries you prefer—classic, BLE, or a mix—as long as the final APK runs smoothly on Android 8.0 and above. I will provide the device’s UUID, expected data packets, and any service characteristics once we start; you will translate that specification into working code, a concise user flow (scan → connect → interact), and clear documentation so I can maintain or extend the project later. Primary deliverables • Full Android Studio project (Java or Kotlin) • Signed APK for quick testing • README explaining build steps and where the Bluetooth logic lives Once those three items compile and I can run a basic connect/transfer demo on my handset, the job is done.
Project ID: 40534913
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Hi Thanks for your valuable time. :-) We are going to study your given details and update you with our comments. If you have more detail to add then please provide - so we can take it into consideration during our study. If you would like to setup meeting then Can you please suggest time between 11am to 8pm IST ? I will provide you nice UI/UX design, high coding standard and If there will be need of CMS then will develop it as per project-flow. Here are some live urls : [login to view URL] Latest Apps : [login to view URL] We are team of developers and You will directly work with your Technical Team. :-) I am not just looking for money or 1 project - I believe in long term business relationship. Why should you hire Me : [login to view URL] Update you soon - Have a great day. Regards, Dushyant. KESHAV INFOTECH
$77 USD in 7 days
9.5
9.5
209 freelancers are bidding on average $172 USD for this job

Hello, Thanks for posting this opportunity. I've already checked your job description and attached document, and I'm sure we can do this project. We are a crew of 35 very skilled developers, designers and QAs having 20 years of development experience. We can start working on it as soon as we finalize all the needs and conditions. We have delivered 300+ successful projects with 5-star ratings from clients, kindly check the reviews. Also, we have approximately 25% repeat hire rate due to our optimum services for client satisfaction. We can deliver you quality work within a defined timeline. Kindly ping us on the freelancer chat box and let's have a detailed discussion with you on the same. Rajesh
$140 USD in 20 days
9.5
9.5

⭐⭐⭐⭐⭐ Create an Android App for Bluetooth Communication with External Hardware ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for an Android application that connects to external hardware via Bluetooth. You don't need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects for Bluetooth applications. I will create a reliable connection, design a user-friendly interface, and provide clear documentation for future maintenance. ➡️ Why Me? I can easily build your Android app as I have 5 years of experience in mobile app development, focusing on Bluetooth communication, user interface design, and application testing. My expertise includes Java and Kotlin programming, ensuring a smooth final product. I also have a strong grip on Android Studio and Bluetooth libraries, which will help me tailor the app to your needs. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work and how I can meet your requirements effectively. Looking forward to chatting with you! ➡️ Skills & Experience: ✅ Android Development ✅ Java Programming ✅ Kotlin Programming ✅ Bluetooth Communication ✅ User Interface Design ✅ API Integration ✅ Application Testing ✅ Debugging ✅ Documentation Writing ✅ Android Studio ✅ Data Transfer ✅ Version Control Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.9
7.9

Hello, This is a focused project where reliability matters more than UI complexity. The critical part is establishing a stable Bluetooth communication layer, handling connection states correctly, and ensuring data transfer remains consistent across Android versions and devices. We've built Android applications involving hardware integration, real-time communication, device connectivity, and custom mobile workflows. Once the UUIDs, services, characteristics, and packet structure are available, we can quickly translate the protocol into a clean scan → connect → exchange data flow. I'd recommend Kotlin with native Android Bluetooth APIs (BLE or Classic depending on the device specification) to keep the codebase lightweight, maintainable, and easy to extend. Best, Raksha
$140 USD in 15 days
8.2
8.2

Hi, Xanvra Technologies has 7+ years of experience in Android and mobile app development, including Bluetooth-based applications using Classic Bluetooth, BLE, and mixed Bluetooth stacks. We can build a reliable Android Bluetooth app with a clean flow for device scanning, connection, interaction, and data transfer. As requested, we will deliver the complete Android Studio project in Java/Kotlin, a signed APK for testing, and a detailed README for setup and usage. Our focus will be on building a secure, stable, and user-friendly app with strong performance and clean UI/UX. We would be glad to support you in bringing this project to life.
$200 USD in 7 days
7.1
7.1

With over 6 years of experience in mobile application development, I am certain that I can deliver a well-designed and functional app that perfectly meets your requirements for this project. My knowledgebase spans across Android, IOS, Web, and Flutter developments which allows me to have a deep understanding of each platform's nuances, ensuring seamless and efficient solutions. Specifically, with Android, I am well-versed in both Java and Kotlin languages under Android Studio which prepares me to build you the Bluetooth App you need. In my previous projects, I have implemented complex functionalities such as real-time location tracking, third-party API integrations, and Bluetooth connectivity among others. This experience has honed my skills to work with external hardware over Bluetooth with ease. Additionally, I understand the value of clean and efficient code which translates into a better performing app for the end-user. Finally, and most importantly, I believe in the power of clear communication and timely delivery. Therefore, expect concise documentation of every aspect of the app as per your demand for future maintenance or upgrading. My track record speaks for itself in terms of client satisfaction and quality product delivery. Let's discuss further how we can make this Android Bluetooth App development a success!
$140 USD in 7 days
7.2
7.2

--- Android Bluetooth Application Development --- I can develop a reliable Android application that communicates seamlessly with your external hardware over Bluetooth. Here's my approach: → Develop a native Android app in Kotlin/Java with stable Bluetooth Classic or BLE integration based on your hardware specifications. → Implement the complete flow: device scanning, pairing, connection management, and data transfer. → Create a clean user interface for sending and receiving data with proper connection handling and error management. → Deliver complete source code, signed APK, and clear documentation for future maintenance. Flow Scan Device → Connect → Exchange Data → Monitor Connection Question Is your hardware using Bluetooth Classic, BLE, or both, and do you already have the communication protocol/documentation available? Lets connect... Thanks
$280 USD in 16 days
7.7
7.7

Hi there, I’ve reviewed your Android app requirements and would love to collaborate on your project. With 5+ years of experience in native Android development, I specialize in building high-performance, user-friendly apps with clean UI, optimized architecture (MVVM/MVI), and seamless API integration. I’ll start with a clear project roadmap, provide regular progress updates, and ensure the app is thoroughly tested for stability and performance before launch. Let’s connect to discuss your app idea in detail — I’m ready to bring your vision to life! Best, Bhargav Android Developer | Kotlin & Java Expert
$140 USD in 7 days
7.0
7.0

Hi, there. I have carefully reviewed the requirements for Android Bluetooth App Development. Based on your goals, you are looking for a mobile experience that is not just functional, but seamless and responsive for your users. My team and I specialize in mobile app engineering with a focus on high-performance architecture. We have a proven track record of helping businesses in Canada build mobile solutions that scale effectively across both iOS and Android. Whether we are leveraging Software Architecture, Android, Android App Development, Mobile App Development for a native build or a cross-platform solution, our focus is on ensuring the interface is intuitive and the backend data handling is secure. We treat every app we build as a long-term asset. We avoid common pitfalls in mobile development such as memory leaks or poor UI responsiveness, ensuring your users have a smooth experience from their very first interaction. To help me provide a precise timeline for your development, I have one quick question: Are you aiming to launch on both platforms simultaneously, or are you prioritizing one (iOS or Android) for your initial market validation? Knowing this helps me determine the most efficient architectural path for your project. I am available for a discovery call to discuss your mobile roadmap whenever you are ready. Best regards Kausar and the Team
$180 USD in 3 days
6.9
6.9

With extensive experience in Android app development, I understand the critical need for a stable Bluetooth connection with external hardware. My past projects involving Bluetooth integration and Android development align perfectly with your requirements. Could you please clarify if you have any specific preferences for the Bluetooth libraries to be used? Regards, Yogesh Kumar
$170 USD in 6 days
6.7
6.7

Hi, I'd build the scan to connect to interact flow cleanly, with the connection logic handling dropped links and reconnects so it stays reliable rather than breaking on the first hiccup. Once you give me the UUID, packet format and characteristics, I'll wire it to your device, classic or BLE depending on what it uses. You'd get the full Android Studio project, signed APK to test, and a readme showing where the Bluetooth logic sits so you can extend it later. Tell me what the device is and I'll confirm whether it's classic or BLE and how I'd approach it. Looking forward to hearing back from you soon. Thanks!
$149 USD in 2 days
6.6
6.6

Hi — I'll build your Android-only app that talks to external hardware over Bluetooth. I'll establish a reliable connection from any modern Android phone (classic SPP or BLE, chosen to match your device's profile), and expose a clean interface to pair, send and receive data, with reconnection handling, clear status feedback and error handling for dropped links. Solid, testable code and a simple UI focused on the device interaction. We build native Android and cross-platform apps regularly (iCargos, Watilio). — Muhammad Idrees, Global IT Vision Pvt. Ltd
$225 USD in 12 days
7.2
7.2

With a wealth of experience in mobile app development, I am keenly interested in your Android Bluetooth app project. My proficiency with the Android Studio Java and Kotlin languages, coupled with my strong understanding of software architecture, positions me well to deliver the clean interface and reliable Bluetooth connection you require. Your primary deliverables align seamlessly with my core strengths. What's more, my sound understanding of modern Android versions (8.0 and above) ensures that the APK we develop together will run smoothly on those platforms. As I take transformation of complex technical specifications into working code seriously, you can be sure that I'll craft a high-performing app that matches your need exactly. I would be pleased to bring my broad skillset to bear on your project: from understanding the device's UUIDs and expected data packets to delivering clear documentation for future maintenance or extension. At Web Crest, we are not just about building digital products; we focus on developing scalable solutions which are pivotal to your business goals. Partner with me for an exceptional product and let's turn your Bluetooth connectivity concept into a working reality!
$200 USD in 3 days
6.5
6.5

Hello, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Java, Mobile App Development, Android, Software Architecture, Bluetooth Low Energy (BLE), Kotlin, Bluetooth, Android App Development Lets connect in chat so that We discuss further. Thank You
$70 USD in 3 days
6.3
6.3

Hello, I have carefully read your requirements, and it would be an honor to work with you on your Android Bluetooth application. With 14+ years of experience in Android app development, Bluetooth integrations, and hardware communication systems, I can develop a reliable Android 8.0+ application that supports device discovery, pairing, connection management, and bidirectional data transfer with your external hardware. Once you provide the UUID, packet structure, and service specifications, I will implement the complete scan → connect → interact workflow with a clean and user-friendly interface. The project will include a fully documented Android Studio source code project in Java or Kotlin, a signed APK for testing, and a detailed README covering setup, build instructions, architecture, and the Bluetooth communication layer to ensure future maintenance and enhancements are straightforward. I focus on clean code, stable connections, proper error handling, and compatibility across modern Android devices. Please check my profile for reviews and ratings from previous clients, which reflect my expertise in mobile development and hardware-integrated applications. Warm Regards, Harpreet Singh
$70 USD in 5 days
6.3
6.3

Hi There!!! ★★★★ (Android Bluetooth BLE app for reliable device communication & data transfer) ★★★★ Project understanding: You need an Android app that connects reliably with external hardware via Bluetooth (BLE or classic), with a simple flow for scan, pair, connect, and send/receive data. You will provide UUIDs and packet structure, and the app must be production ready on Android 8+. Services: ⚜ Android Bluetooth BLE/classic connection setup ⚜ Scan, pair, connect & reconnect logic ⚜ Send/receive data packet handling layer ⚜ Clean UI flow (scan → connect → interact) ⚜ Android Studio project in Kotlin/Java ⚜ Signed APK for testing & validation ⚜ Technical README with code structure explanation I have experience building Android apps with BLE integration and device communication systems, including handling stable connections and data streaming. I focus on clean architecture and reliable device interaction. I can build this quickly and ensure smooth testing on your device. Warm Regards, Farhin B.
$110 USD in 10 days
6.6
6.6

Hi I can develop your Android Bluetooth application with a reliable, user-friendly interface and robust device communication, ensuring smooth connectivity, efficient data handling, and scalable architecture while following Android development best practices. Tejal
$260 USD in 7 days
6.1
6.1

I can show relevant work to you in the chat for reference and can start immediately >>> I will build a clean scan, connect, and data transfer app in Kotlin with full documentation.
$1,140 USD in 7 days
6.2
6.2

As an astute techpreneur and a seasoned Android App developer, I have built a strong reputation over the last six years delivering superior, reliable, and performance-driven software solutions, as is evident from my diverse skill set. On top of my full-stack prowess, I'm proficient in Android, Java, and Mobile App Development which will undoubtedly prove invaluable in realizing your project's needs; building a custom app that creates a seamless connection between your modern Android device and the targeted external hardware utilizing Bluetooth. More specifically, my solid experience in Software Architecture will come into play in defining the most robust architecture for your app, & emphasizing on Bluetooth logic for ease of maintenance or extension. Moreover, I'm tech-agnostic hence equipped to handle various Bluetooth stacks and libraries- including BLE if you prefer. On time delivery is another hallmark of mine and this project will be no exception. Given your core requirements of "establishing a reliable Bluetooth connection from any modern Android phone& translating specification into working code-interface", I assure you that my implementation will reflect clarity, efficiency and will be readily comprehensible for future modifications or improvements by you. I'm excited to work with you on this project. Let's connect today to discuss further how I can turn this vision of yours into an impeccable reality!
$30 USD in 1 day
5.7
5.7

With over a decade of experience in full-stack development and a specialty in Android App Development, my team and I are well-equipped to handle your Bluetooth app project. We have a comprehensive understanding of both classic and BLE stacks, along with proficiency in maintaining clean code that runs smoothly on Android 8.0 and above. With us, you can expect to receive a full Android Studio project (in either Java or Kotlin), a signed APK for quick testing, and a README explaining the build steps and logic. Not only do we deliver concrete technical solutions to suit your project requirements, but our emphasis lies on ensuring usability, maintainability, and extensibility. In this case, we will translate your device specifications into working code and further simplify the process with clear user flows - scan, connect, interact. Should any maintenance or extensions be required later, you'll have adept documentation as your guide.
$30 USD in 2 days
5.7
5.7

Hi, I can develop a reliable Android application that connects to your external hardware over Bluetooth and provides a clean scan, connect, send, and receive workflow. Whether your device uses Classic Bluetooth, BLE, or a hybrid approach, I will implement the most suitable solution based on the UUIDs, characteristics, and packet specifications you provide. The app will be fully compatible with Android 8.0+ and built using Android Studio with clean, maintainable code in Kotlin or Java. The deliverables will include the complete Android Studio project, a signed APK for immediate testing, and clear documentation covering build steps, application structure, and the Bluetooth communication layer so future updates are straightforward. My focus is on connection stability, proper permission handling across Android versions, and a smooth user experience from device discovery through data exchange. Best Regards, Solves Inn
$30 USD in 1 day
5.2
5.2

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