Android app very simple with rs232 interface , no user interface, like a service, better if use Xamarin

Hi Andrea, As you can see I started the bid with the magic keyword so I have read the description carefully. I am experienced Software engineer. I have worked on similar projects involving Xamarin and hardware connected via RS232-USB cable. I will ensure to make app compatible with Android 11.0 Please send a message to initiate chat and discuss further. Thanks.

Hi Andrea, I am Yogesh, a Mobile App Development and Website Design specialist. I understand from your project description that you are looking for an Android app developer who can create a very simple app with an RS232 interface. The app will function as a service without a user interface. I believe that my skillset and experience make me the perfect fit for this project. We at Yogesh provide superior services in the areas of Android App Development, Mobile App Development, Website Design and more. We have successfully completed numerous projects related to similar tasks before and we are confident that we can deliver an outstanding end result for your RS232 service app. Our services include React Native, Native iOS/Android App development, Android SDKs & APIs Integrations, Android Studio support

Hello, I can help you to Android app very simple with rs232 interface , no user interface, like a service, better if use Xamarin . I have done similar task before, so Let's chat to discuss more. I have 5 years of experience as Network & Cybersecurity Engineer, System Administrator, and Web Administrator.

Hi Andrea this is Nasir Mehmood. I am a software engineer and have more than 20 years of development experience in embedded systems, database design, web design, graphics, and mobile applications. I have extensive knowledge of working with assembly, C, C++,vc++ .net, Objective C, C#, Swift, Java, and vb .net. I have gone through the details of your requirements. as your project needed to communication with serial port then i would suggest that Xamarin is not appropriate for this kind of programming, These sort of utilities always needs to have low-level access and for this purpose, Android studio with NDK C/C++ language integration is the best choice for a nice GUI and better functionality. I have fully grasped these tools. so I offer you my expertise for your solution. If you are interested in working with me then feel free to contact me for further details. thanks

Hi I hope this message finds you well. I am writing to express my strong interest in the software development project you have posted on the Freelancer platform. With 2 years of experience in the software development field, I am confident in my ability to deliver exceptional results for your project.

Hi Andrea, I can manage to build the application you need. I would develop it as an Android Background Service in Kotlin. I have rich experience in creating robust Android applications using both Java and Kotlin. My applications are currently in use on thousands of enterprise devices, and I have successfully developed other applications which have garnered more than 500 installations, prominently utilized by several Italian restaurants.

I am really interested in this opportunity and have my hands on experience on C language and microcontroller. I can complete the project before time and full accuracy.