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I have an existing Android application that already works with an earlier Bluetooth Low Energy device. I am now moving to new hardware and need the app updated so it can discover, pair with, and communicate seamlessly with this new BLE board. Your main objectives are: • Integrate the new GATT profile and confirm stable read/write operations. • Enable real-time data synchronization between the phone and the device. • Maintain full device-side control functions (start/stop actions, parameter changes, etc.). Please work in Android Studio; the current codebase is structured for that environment and all future maintenance will stay there. I will supply the existing project, the new device’s UUID map, and test procedures. Final deliverables are the updated source project, an installable APK, and a brief change log confirming that data sync and control commands have been validated on at least two Android OS versions.
Proje No: 40064165
74 teklifler
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74 freelancer bu proje için ortalama $187 USD teklif veriyor

Greetings from Logictrix! My name is Jas, and I have already maintained, updated and upgraded a couple of Native and Flutter Android and iOS apps recently to make updates and upgrades along with other improvements in order to make them compatible with latest OS versions and latest SDKs. Let's connect via Chat/Call to discuss all the required updates and changes in your app. We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 14 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas
$120 USD 5 gün içinde
9,6
9,6

Hello, i am a native Android applications developer with over 8 years of experience developing Android mobile applications. I have completed more than 515 projects. I am confident that I will provide you with quality work and the best software services. Let's chat to proceed.
$400 USD 10 gün içinde
8,9
8,9

Hi, I have worked previously on multiple BLE Apps in Android Native (Java in Android Studio)....to test the communication i will provide you the apk on every small step so you can test with hardware and confirm if that particular part is working. thanks
$200 USD 3 gün içinde
7,6
7,6

I have extensive experience in Java, Mobile App Development, Android, Software Testing, and Bluetooth Low Energy (BLE), making me a great match for the "Upgrade My Android BLE App" project. I am confident in my ability to integrate the new GATT profile, enable real-time data synchronization, and maintain full device-side control functions. The budget can be adjusted as per the project scope, and I am committed to delivering quality work within your budget. Please review my 15-year-old profile to see my past work. Let's discuss the project details and get started right away. I am eager to show my commitment to this project. Looking forward to hear from you.
$175 USD 7 gün içinde
7,0
7,0

I am excited to submit my proposal for your project involving the enhancement of your existing Android application that interfaces with a Bluetooth Low Energy device. With over 9 years of experience in mobile application development and a strong focus on delivering high-quality solutions, our team at Resiliencesoft is well-equipped to meet your needs. Our expertise includes comprehensive testing methodologies to ensure the robustness and reliability of the application. We specialize in both manual and automated testing, covering a wide array of testing types: - Functional and Non-Functional Testing - Stress Testing - Regression Testing - Smoke Testing - Sanity Testing - Integration Testing - API Testing - Monkey Testing - Ad-hoc Testing - Exhaustive Testing - System Testing - User Acceptance Testing We utilize JIRA for effective test management and have successfully delivered projects on an international scale. Our dedicated team of testers ensures that every aspect of your application is thoroughly evaluated. I am looking forward to the opportunity to discuss your project in more detail and explore how we can bring your vision to life. Best Regards, Resiliencesoft Team
$125 USD 29 gün içinde
7,0
7,0

Hello Michael M. Hope you are doing well! This is Efan , I checked your project detail carefully. I am pretty much experienced with Bluetooth Low Energy (BLE), Android App Development, Java, API, Software Testing, Mobile Development, Mobile App Development, Android and Android Studio for over 8 years, I can update you shortly. Cheers Efan
$200 USD 14 gün içinde
6,6
6,6

Hi And I can help you so on—I can update your existing Android Studio BLE app to support the new board by integrating the provided UUID/GATT map and keeping the current UX and control flows intact. I work regularly with Android BLE (BluetoothGatt, services/characteristics, notifications/indications, MTU tuning, write-with/without-response, and connection state handling) and can refactor cleanly without breaking your existing device logic. The main technical problem during hardware swaps is unstable real-time sync caused by notification setup order, CCCD writes, or mismatched write types/MTU, so I’ll implement a robust connection + discovery sequence with proper retries and clear state management. I’ll map start/stop and parameter commands to the new characteristics, verify reliable read/write, and ensure streaming data uses notifications/indications with throttling where needed. I’ll also add logging around GATT callbacks and edge cases (reconnect, bonding/pairing, background/foreground) so future maintenance stays straightforward. You’ll receive the updated Android Studio project, a signed/unsigned installable APK as you prefer, and a concise change log documenting validated sync/control on at least two Android OS versions. I’ll keep the code modular (BLE manager + device profile layer) so adding future boards is just swapping a profile definition. Thanks, Hercules
$200 USD 7 gün içinde
6,2
6,2

My name is Sardar Hasnain and I'm an experienced Software Engineer who has dabbled in the realm of embedded systems and IoT development. With a Master's degree in Embedded Systems, I have a solid grasp on firmware development, C/C++ programming and similar areas that make up an integral part of your project. I specialize in creating efficient and scalable software solutions that are both powerful and user-friendly. One of my core competencies is Android app development using Android Studio, which is completely aligned with your expectations. I'm confident in my ability to not just update your current app to work seamlessly with new hardware, but also to ensure real-time data synchronization between the phone and the device while maintaining full device-side control functions. As a bug hunter par excellence, I'll run thorough tests across different Android OS versions, providing you with an updated source project, installable APK as well as a comprehensive change log.
$275 USD 7 gün içinde
6,4
6,4

With my expertise in Android BLE development, I am confident that I can seamlessly integrate the new GATT profile in your existing application, allowing for stable read/write operations. Moreover, I will ensure that your app is updated to enable efficient real-time data synchronization between the phone and the new BLE board. Maintaining full device-side control functions won't be a problem because I have extensive experience working with mobile app control actions like start/stop actions and parameter changes. Also, being proficient in using Android Studio, I am well-positioned to tackle this project considering your codebase is structured around it. Furthermore, my past projects - which have frequently included customizations and maintaining multiple versions of Android apps - provide strong evidence of my ability to deliver on project requirements successfully. So, entrust me with this opportunity to prove myself as a reliable and skilled developer for you! Thanks...
$250 USD 7 gün içinde
6,6
6,6

Hi, You already have a working BLE app and now need it to speak fluently with new hardware without breaking anything—that’s exactly the kind of focused upgrade I handle well. I’ll integrate the new GATT profile, verify stable read/write, and keep all control functions intact, all inside Android Studio. I’ll also test data sync and commands on multiple Android versions and document every change clearly. Please also check my portfolio to see similar mobile and device-integration work I’ve done. Best regards
$140 USD 7 gün içinde
5,9
5,9

Hi There!!! ⚜⭐⭐⭐⭐⚜(( Seamless BLE integration and real-time data sync for new Android hardware ))⚜⭐⭐⭐⭐⚜ I understand you need your existing Android app upgraded to support a new BLE device, ensuring stable communication, real-time synchronization, and full device control within Android Studio. I have extensive experience in Android development, Bluetooth Low Energy integration, and API-driven mobile apps. I focus on maintaining clean code structure while implementing reliable GATT profiles and seamless read/write operations. Three key features * Full GATT profile integration with stable read/write * Real-time data synchronization between device and app * Complete device control including start/stop and parameter updates I can deliver the updated APK, source code, and validated change log across multiple Android versions efficiently. Warm Regards, Farhin B.
$510 USD 15 gün içinde
6,5
6,5

Hi Michael, To upgrade your Android BLE app, I will integrate the new GATT profile, ensure stable read/write operations, enable real-time data synchronization, and maintain full device-side control functions. I will work in Android Studio as per your requirements. Let's discuss further to align on the project details. Regards, Sai Bhaskar
$85 USD 7 gün içinde
5,5
5,5

Hello, I am an expert with 15+ years of experience in the technical world, delivering simple to complex websites, e-commerce platforms, membership systems, and custom portals. I ensure clear communication, continued support after delivery, and 100% client satisfaction. I specialize in Mobile App Development, creating fast, user-friendly, and feature-rich apps for both Android and iOS. My focus is on modern UI/UX, API integration, real-time features, and cross-platform compatibility, ensuring your app is scalable and future-ready. If you are looking for a dedicated Mobile App Developer who delivers quality, innovation, and timely results, I’d be happy to bring your project to life. Best regards, yk
$100 USD 7 gün içinde
5,5
5,5

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$75 USD 4 gün içinde
5,4
5,4

Hi There!!! !!>>> THE PROJECT GOAL IS TO UPGRADE AND INTEGRATE THE ANDROID BLE APP WITH NEW HARDWARE <<<!! I have studied your project description very well and understand you need the existing Android app updated to work with a new BLE device, including GATT integration, real-time data sync, and full device control. I am best fit for the project because I can efficiently handle BLE integration while keeping your app stable and maintainable. • Integrate new GATT profile and confirm stable read/write operations • Enable real-time data synchronization between phone and BLE device • Maintain full device-side control functions (start/stop, parameter changes) I will provide design, database management, testing, source code, and basic deployment setup at the end of the project. I have 9+ years experience as a full stack developer and have upgraded multiple Android BLE apps for new hardware devices ensuring smooth data sync and control. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$255 USD 14 gün içinde
5,1
5,1

Warm Hello! I specialize in Android BLE integration and updating apps for new hardware. With over 9 years of experience, I can update your existing app to seamlessly communicate with the new BLE device while maintaining all control functions. Here's how I can help: Integrate the new GATT profile, ensuring stable read/write operations Enable real-time data synchronization between the Android app and the BLE board Preserve all device-side controls (start/stop, parameter changes, etc.) Deliver a tested Android Studio project, installable APK, and a concise change log confirming functionality on at least two Android OS versions Quick clarifying questions: is backward compatibility with the old BLE device required, and do you need support for Android background operations when the app is not in the foreground?
$190 USD 7 gün içinde
4,7
4,7

Hello, I understand that you are looking to upgrade your existing Android BLE app to seamlessly communicate with new hardware. My expertise in API integration, Java programming, and Android app development makes me well-suited for this project. I will integrate the new GATT profile, ensure stable read/write operations, enable real-time data synchronization, and maintain full device-side control functions. I have extensive experience working with Bluetooth Low Energy devices and have successfully completed similar projects in the past. I will ensure effective communication throughout the project and provide regular updates on the progress. Could you please provide me with the existing project and the new device's UUID map to get started? I am confident that I can deliver a high-quality solution that meets your requirements. Best regards, Umar
$250 USD 7 gün içinde
4,1
4,1

Hello, Hope you're doing well! I am a Mobile App Developer with experience in Android, iOS, Flutter, and React Native, and I can build a high-quality, fast, and user-friendly mobile application tailored to your requirements. Why Choose Me 1. Experience in Android (Java/Kotlin) and iOS (Swift) 2. Cross-platform app development using Flutter/React Native 3. Expertise in UI/UX, responsive screens, and smooth navigation 4. Experience with Firebase, APIs, Auth, Push Notifications 5. Clean, optimized, and well-structured code 6. End-to-end development: Design → Development → Testing → Deployment What I Can Deliver 1. Custom Android & iOS mobile application 2. Login/Signup (Email, Google, OTP, Social Login) 3. API integration (REST/GraphQL) 4. Payment gateway integration 5. Admin Panel (if required) 6. Real-time features (Chat, Notifications, Location) 7. Bug fixing, UI redesign, performance optimization 8. Play Store & App Store deployment support Availability I can start immediately and provide regular updates during development. Let’s Discuss Your Project Share your app idea or any reference app you like — I’ll provide: 1. Best technical approach 2. Timeline 3. Cost estimate Looking forward to working with you!
$100 USD 7 gün içinde
4,0
4,0

✨✨✨ I AM DOMINICO ✨✨✨ I will make your Android app fully compatible with your new BLE device—flawlessly and fast. I’ll integrate the new GATT profile, ensure stable read/write operations, and enable real-time bidirectional data sync while preserving all device control functions. Work will be done in Android Studio, maintaining clean, maintainable code. Deliverables include updated source project, installable APK, and verified change log across multiple Android versions. Proven experience with BLE integrations guarantees a smooth, reliable upgrade with zero compromise.
$100 USD 5 gün içinde
4,1
4,1

⭐If you award me, your smile shows up.⭐ Hi Michael M. Your project really caught my attention — it’s very similar to one I completed recently. The setup feels familiar, with the same kind of challenges, just a few unique details. That’s actually great news, because it means I already know what works and can move fast without trial and error. Most importantly, I have deep experience and hands-on expertise with Java, Android App Development, Bluetooth Low Energy (BLE), Software Testing, API, Android Studio, Mobile Development, Android and Mobile App Development. In my portfolio, you can find a project similar to yours. https://www.freelancer.com/u/thomasb726 If you’re open to it, I’d love to hear more about what you’re building and share a few ideas from my past experience. ❓ Why clients choose me: ✅ Clear, fast, and proactive communication — you’ll never be left guessing where things stand. ✅ I treat your deadlines and reputation like my own — because once we start, they are. ✅ Easy to talk to, quick to respond, and focused on making your job easier. ✅ I always stand by and support the clients I work with, even long after delivery. Many of my clients stay with me long-term — because I show up, deliver, and don’t disappear. If you’re looking for a project executed with precision and quality, let’s chat soon and get started. Best, Tom
$250 USD 3 gün içinde
3,4
3,4

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