Xamarin App to Communicate with a Bluetooth Device

We are looking for a developer to write a Xamarin app (for Android and iOS). The app will communicate with a Bluetooth Low-Energy device.

The phone connects up to 3 Bluetooth devices at the same time. The phone will take turn to read data (a few bytes) from each device and/or write data to each device if needed.

When the app goes to the background, the app disconnects from the devices. When it is open, it attempts to reconnect.

If the device is powered down or the phone moves away out of range, the app still monitors periodically waiting for the device to power up or come back to range again.

We want to start the project immediately.

The first phase is to have a reliable communication/connection between the phone and the devices. Don't need to complete the all interface and screens. After the communication/connection is working fine and tested, the 2nd phase is to complete the interface.

We have more Bluetooth project similar to this. If this is done right it will be a long term relationship.

Please read the spec and provide your bids as soon as possible.

Thank you.

Kemahiran: Android, Bluetooth Low Energy (BLE), iPad, iPhone, Mobile App Development

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Tentang Majikan:
( 0 ulasan ) United States

ID Projek: #17248599

26 pekerja bebas membida secara purata $596 untuk pekerjaan ini


Hello, We have high skills in Android and iOS. We develop your application very uniquely and we have Experience of more than 7+ years in Android apps, iOS apps, Graphic Design, and development. Our development Lagi

$600 USD dalam 10 hari
(73 Ulasan)
$526 USD dalam 10 hari
(77 Ulasan)

"Hello Sir, We have read your project description and We are a big size company and working with many enterprise level Clients. We have read properly your project details and we are sure that our team members are Lagi

$550 USD dalam 9 hari
(75 Ulasan)

Dear sir My name is Shirong Piao and I am expert in Xamarin app development. I have gone through your requirement and I would love to have the opportunity to discuss project with you. I have much experiences in Xama Lagi

$500 USD dalam 10 hari
(61 Ulasan)

Hi!! how are you? I've read your requirements. I want to discuss detail in chat and i can do this project. I've got much experience in android and iphone program develop. Look these! [login to view URL] Lagi

$555 USD dalam 10 hari
(140 Ulasan)
$555 USD dalam 10 hari
(39 Ulasan)

Hello, I am very curious to work on this project because my skills best suits. I am having 5+years of experience in Xamarin application development. Also, expertise in Visual Studio, C#, Web services API's, Back-en Lagi

$750 USD dalam 10 hari
(78 Ulasan)

hello,how are you. i read your bid carefully. i am C#, Xamarin expert and have full experience for 7 years. C#, Xamarin is my top skill and my interested skill. I can provide most quality and high fast. if you want Lagi

$555 USD dalam 10 hari
(9 Ulasan)

hello sir. how are you? i have good experience in developing xamarin android and iOS app. please see my portfolio. i hope working your project. please contact with me. thank you.

$555 USD dalam 10 hari
(32 Ulasan)

Hi there, I hope you are doing well. I understand your requirements, I am Hybrid Mobile Application Developer(Ionic, React Native, Ionic , PhoneGap, Angular, Cordova) and I have experience of 5+ years in developin Lagi

$750 USD dalam 10 hari
(43 Ulasan)

"Hello There, Our understanding of the project is that you are looking for development of Mobile apps / Website and we will be able to assist you perfectly as we are very much experienced and familiar with the requi Lagi

$444 USD dalam 5 hari
(14 Ulasan)

Dear Sir, I read several times provided description with strong wish to help you. We may start the project very rapidly as well as complete the first stage and move ahead. To complete your project I also need fro Lagi

$444 USD dalam 3 hari
(12 Ulasan)

My name is Nelson I read your project description and am very interested I am expert in BLE -SUNBEAMsystem(Bluetooth) [login to view URL] - Nax-One (Bluetooth) h Lagi

$555 USD dalam 10 hari
(4 Ulasan)
$750 USD dalam 15 hari
(8 Ulasan)

Hello client, I've just read your job post and much interested in your project. I have been specializing in mobile (native, hybrid) and web(frontend, backend) for 7+ years. I have been creating high quality and e Lagi

$555 USD dalam 10 hari
(16 Ulasan)

Mobile apps Hello Dear, I have read your requirements forAndroid, Bluetooth Low Energy (BLE), iPad, iPhone, Mobile App Development. I have 10+ years of experience in Native and Hybrid mobile applications and h Lagi

$555 USD dalam 10 hari
(2 Ulasan)

Hi, I have extensive experience in .Net, C#, Xamarin framework, including [login to view URL], [login to view URL] and xamarin forms. I read the work details and I have work with beacons and blue-tooth in my previous clients app Lagi

$900 USD dalam 15 hari
(2 Ulasan)

Hello – I am able to start work immediately and have experience developing BLE application for different business verticals and domains. I have experience connecting more than 7+ devices at a time and controlling the L Lagi

$833 USD dalam 10 hari
(1 Ulasan)

Hi. I am Yukai. Glad to meet you. I have your requirement in details, and I am very interested in your project. I am expert in hybrid mobile app by Xamarin, ionic and react js. In particular, Xamarin is my major sk Lagi

$555 USD dalam 10 hari
(5 Ulasan)

Hi there, I have read your description and I would like to tell you that I have 5+ years of experience in app development and I have understood your requirement of a Xamarin app for communication between devices and I Lagi

$500 USD dalam 10 hari
(11 Ulasan)