Build an app for Android and iPhone for project of College

Dear all,

Project doesn't start from zero, currently I have the app running for Xcode and Android, issue is related with add more functions and change some "text inputs" to buttons.

Project is related with send instructions, at the moment for instance I type the instruction "K" and click in "Send", so now I need that instead of typing, just by click a button it sends in the background the instruction "K".

I speak Spanish too.

I have received a lot of proposals and for answer a lot of questions,
Let me update the requirements,

1 - You need to send me the codes, (for testing in Xcode 8.2.1 and Android Studio 2.2.3), as I need to change the design, I just the the functionality of the button, switch, slider and message field.

2 - Attached image "requirement1", in this one I explain again: currently as you can see in the attached video, in the message field I'm able to send strings and received those by bluetooth to and from my computer. (Person selected for this job, I'm going to send the "rar or zip" files with the projects for both platforms)

3 - So:

First case, I was sending the string "k", so when I press a button (it doesn't matter the design, just a normal button) it will send the "k".

Second case, there si a switch, in one position it sends "m" and in other position it sends "f"

Third case, there is a slide from 0 to 100 ( steps of 1 ), where moving the slide, it sends for instance "k100", if I move again the slider for instance to the position "20", it will send "k20" and so on.

Fourth case, that is currently working, already done in the code that I will sent you, from the computer (black box communication interface) I send for instance "hello", in a message field I get the text "hello".

I need for both platforms, "Android" and "iOS", please if you don't know for both, please don't apply. Not just for iphone, neither for Android, must be for both.

Fourth case, there is an issue with the "Android" ; in iphone can be locked the phone and later unlocking and there is still communication, but in Android if the phone locks, communication loses and the app crash. but it only happens with Android, for iOS works perfect. I need to solve that problem. As you saw in the video I had to turn off the bluetooth and select again device for getting communication.

I hope with the previously information and attached (images and videos) you can understand better the project,

Thank you in advance!!

Well, I have time is not urgent, (someone of you give me additional cost because of time,, ) so, normal time, I just need that works, and works perfect in both platforms.

I realize that here in freelancer there is not option for upload videos,

Please check those ones in wetransfer:

People have to chat me, I don't "Award" without before chatting with me.

Hace a nice day!!

Habilidades: Android, iPhone, Mobile App Development

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Acerca do Empregador:
( 2 comentários ) no, United States

ID do Projeto: #13446929

Concedido a:


please refer to profile.......................... edit and bug fixes immediately done on both iOS and android ......

$155 USD em 3 dias
(18 Comentários)

17 freelancers estão ofertando em média $185 para esse trabalho


Hi, I carefully have read your proposal, and have greatly interested in your job. I am an expert who has developing career including not only Android and IOS native app but also web service including backend API. Mais

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Hello, How are you today? I am excited to work on your project and I am fully capable of giving you high quality product that will help you grow your business. Hope to discuss about the project more details via c Mais

$155 USD in 3 dias
(42 Comentários)

Dear, my client. Thank you for your job post. I have checked your project description in carefully then i have some questions about that. Please clear me about that, then i can start your project from now on even. Mais

$147 USD in 3 dias
(97 Comentários)

How are you? I am a Mobile & Web developer who have 10 years experience of program develop and 5 + years in mobile. My main field is social and some top technologies , such as OCR, Facial, Speech recognition, Tr Mais

$500 USD in 3 dias
(81 Comentários)

Nice to meet you. My name is Bryan Valencia. I am senior mobile app(Android, iOS) developer and have rich experience in this field. I would provide the brand product with an awesome & an attractive UI, a good perfor Mais

$250 USD in 3 dias
(34 Comentários)

Dear sir. Nice to meet you. I have read your job post in carefully and understood everything what you want. I have developed 30+ apps & published them app stores in successfully for 5+ years. As you have seen, Mais

$155 USD in 3 dias
(51 Comentários)

Hello Sir,   As a talented and agile developer, I am confident I can exceed your expectations and complete your project on time and within your budget. So please feel free to message me and discuss further, I can mak Mais

$155 USD in 3 dias
(45 Comentários)

Hello Sir, I read your job description very carefully and I believe I am very qualified for your project. I can start your project immediately and finish your project successfully within given timeframe with high qu Mais

$250 USD in 3 dias
(76 Comentários)

Hey mate, I'm a software/mobile developer based in Australia with over 7 years commercial experience. If you're serious about your mobile/app project then let's get started. You can check out my freelancer profile t Mais

$250 USD in 10 dias
(16 Comentários)

hello i m interested to do that work and i will complete within time duration and i have 4 year experience and i have developed many projects like statlog, snapwall, fluidmagic, tolk1 and many more on app store thanks

$83 USD em 1 dia
(42 Comentários)

Hi , I can work on both iOS and Android . Will put K in background and send easily. Please contact me and provide me details . Thanks

$100 USD in 5 dias
(11 Comentários)

Need to modify your android app? Not an issue, I have great grasp on android development, I developed a number of fully functional mobile apps like Quiz App. If you are interested in my services drop me a message Tha Mais

$88 USD in 2 dias
(3 Comentários)

A proposal has not yet been provided

$35 USD em 1 dia
(6 Comentários)

Hi I can do it for you, i can build an app for android and iphone for you according to you requirements. I have to much practical experience to develop apps in android and iphone. Can we discuss in detail about the Mais

$140 USD in 3 dias
(2 Comentários)

Dear Client, Thanks for providing us opportunity to place bid over the project and communicate with [login to view URL] mainly deal in web development, SEO, Android App, software testing and graphic design. Our vision is to b Mais

$205 USD in 6 dias
(0 Comentários)

Hi, Being an Lead iOS Developer I look into the root of problems and then provide its solution. You can share your code with me. Once that is done I will go through it and will define a concise requirement and dead Mais

$222 USD in 5 dias
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