Create a app (proof of concept) which uses an excisting JSON API

I want a simple and a quick creation of a proof of concept app.

The app should work / integrate with an already excisting JSON API.

My customer has a webapplication which tracks cars, busses, trucks, planes, boats, etc by implementing a GPS box which does updates every 60 sec. and put the location on a map.

So the blackbox in the car send an update to their server every 60 sec. and that data can be retrieved by using the API.

The webapp is great and should be somekind of responsive, but this doesn't work that great on a phone and thats the reason they want a native app for it.

The current app developer is short in time and can't deliver and has not deliver anything yet to my or to my customer, so that is why i am looking for you.

What the proof of concept should contain is a simple login page where you can enter the username and password which is created for using the API. When the information is entered correctly it should retrieve all the information about the objects and put them on the map, for an example google maps.

With the API, you can retrieve the data if the engine is turned on or off and more, it is nessecary to use this data to create a green or red icon on the map if the car is driving yes or no. All this is should be very simple with the API.

The API is well documented and i have a demo account to test.

The Proof of concept is just a simple showcase that it can be done and then the app development will start and i will make a full case with the customer about wishes, looks, etc.

For now, i need the proof of concept as soon as possible.

Information about the API can be found here: [url removed, login to view]

Taidot: Android, iPhone, Mobile App Development, PHP, tietojärjestelmäarkkitehtuuri

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Tietoa työnantajasta:
( 38 arvostelua ) Dedemsvaart, Netherlands

Projektin tunnus: #15787661

41 freelanceria on tarjonnut keskimäärin 178 $ tähän työhön


Hi There, I got over all idea about your App concept. Do you have detailed functionality doc to share so I can define scope and come up with my best cost and timeline. I will provide you a. Nice App design Lisää

230 $ USD 14 päivässä
(741 arvostelua)

Hello. I am a GIS(Geographical Information System) expert and Web&Mobile(iOS&Android) developer. Since 10 years before I have been developing GIS applications. I graduated GIS special education course and I have r Lisää

250 $ USD 3 päivässä
(130 arvostelua)

Hi there, I'm a mobile applications development team manager and a developer myself too, and I'm very interested in your job post involving these skills. We have recently worked in iOS/Android/Windows Phone apps deve Lisää

277 $ USD 6 päivässä
(137 arvostelua)

Dear, I have gone through your requirement and understood that you are looking for an expert app developer to develop a proof of concept for your app using the available API. Let me know how to proceed and will g Lisää

222 $ USD 3 päivässä
(57 arvostelua)

HI There, I have 7+ years of experience in Android and iPhone apps development.I understood your requirement and I am confident to do this Job.100% result guarantee ,high quality, security, expert development Tha Lisää

277 $ USD 3 päivässä
(57 arvostelua)

I am expert in such type of json apps. I have many years experience in android application development. I can do this json stuff and can read and parse them and dispaly it on UI easily.

250 $ USD 3 päivässä
(122 arvostelua)
155 $ USD 3 päivässä
(19 arvostelua)

Hi. This is Qifeng and I am an iphone/ipad app developer. I can develop server backend and admin panel for your project as well. Let's discuss the project. - Swift3.2 and Swift4.0/Objective-C in Xcode 9.2 for iOS Lisää

155 $ USD 3 päivässä
(21 arvostelua)

Hello Sir,  I have just read your project description and understood all the basic requirements mentioned in there as I have more than 10 years of experience in this field.  So can we please discuss more now to get s Lisää

250 $ USD 15 päivässä
(70 arvostelua)

I am a mobile developer by profession and expert. I have developed many apps for 10+ years and uploaded it on app store and play store and so have the rich experience in this area. I have developed social networking, Lisää

155 $ USD 3 päivässä
(17 arvostelua)

Dear Client! How are you? Just i read your descriptions very carefully. Your proof of concept app project is very interesting for me. I am very interested of this project and I understand your all requirements. Lisää

155 $ USD 3 päivässä
(22 arvostelua)

Hello I definitely understand what you need. Everybody can do it, but I know how to do it and avoid common mistakes which eat much time and delay timelines. Share feature will take a half of day. I have good ex Lisää

155 $ USD 3 päivässä
(21 arvostelua)

Hi, dear I have developed many apps for +6 years. In fact I am an independent developer and i can work full time. I have read your job posting carefully and have fully understood what you want. I have rich experien Lisää

155 $ USD 3 päivässä
(14 arvostelua)
155 $ USD 3 päivässä
(32 arvostelua)

hi there! i can send you a demo of the app parsing the json for the price i bid, but the real app will cost much more as it needs time till I understand and apply the whole api

388 $ USD 4 päivässä
(16 arvostelua)

I have seen your requirements. Initiate chat for further discussion. Thank you.

133 $ USD 2 päivässä
(27 arvostelua)
155 $ USD 10 päivässä
(8 arvostelua)

I can implement this proof of concept and provide support in future also.. Having above 5 years in Android app development

135 $ USD 2 päivässä
(30 arvostelua)

Hello Thank you for your post I have read your post Please check my profile, And please feel free to contact with me Looking forward to work with you sooon Thank you Warm regards

155 $ USD 3 päivässä
(19 arvostelua)

can integrate it any device mobile or web you can request data from blackbox....................................

155 $ USD 3 päivässä
(25 arvostelua)