In Progress

Mobile App#2 -- 2

App requirements:

- The application will fit both iOS and Android operating systems. Native Development Language is highly desirable.

- It consists in 11 low complexity screens (with not much elements, ~15 per screen).

- It will get data from a web service to fill in some output fields and store the contents of the input fields temporarily into a local folder/database. A separate thread/process will monitor that folder/database, send the data to the web service (when reachable) and then delete the local files once it gets a “success” from the web service. The contractor will develop the web service and provide documentation about the web service calls upon hiring.

- It will require logon credentials validation but not access control based on profiles.

- After a data input confirmation, there will be a summary screen that the user may choose to print. The app will send the data to a network printer.

- The app will always inform the user about the results of the actions that were executed (errors, confirmations, etc.).

- In one of the screens, once the user hits a button, the app will open the camera for him/her to take a photo. The app will prompt the user to accept that photo or to discard it and take another one. Once the user accepts that photo, the app will call an API passing the photo file as input and receives an integer as output. The contractor will NOT provide that API, but the app must be prepared for that interaction.

- The input fields will be filled by typing the values in the keyboard, by scanning a barcode, by scanning a QR code or by taking a picture (and then calling the API).

- In one of the screens, the results of a web service request will be presented to the user in a grid and each row will be colored based on some [login to view URL] rules will be implemented in the app.

- All info on screen at the app can be in english, but the app must be prepared to be easily translated to other languages.

- The app will have a configuration screen where some parameters will be configured: web service settings, app language, printer settings, etc.

- The design it’s the freelancer’s responsibility. We will send screen sketches and field descriptions in the final requirements document (will be provided upon hire). The developer is expected to have designing notions.

- Knowledge of image processing and streaming using OpenCV on native mobile languages is a plus.

- We repeat: developer does NOT need to deliver web service or API, but the app must be prepared to interact with both. Details will be sent upon hiring.


- If you have read the requirements and think you have the necessary knowledge, put “Hammer18” at the beginning of the message.

Skills: Android, C# Programming, iPhone, Mobile App Development, Software Architecture

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About the Employer:
( 0 reviews ) Vitória, Brazil

Project ID: #20888156

Awarded to:


Hammer18 Olá, efetuo criação de aplicativos mobile utilizando a linguagem Flutter, entendi as os requerimentos e como deve ser feita a sua construção. Ressalvo os seguintes pontos: - Qual é o tipo do web service a ser More

$1499 USD in 14 days
(1 Review)

69 freelancers are bidding on average $833 for this job


Hammer18 Greetings, Thanks for the opportunity. AIS Technolabs (Expert Mobile Developers) is a dedicated team with over 8 years' experience and a strong workforce of 240+ Professionals. Understanding: I have gone thr More

$2100 USD in 30 days
(80 Reviews)

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$2500 USD in 15 days
(627 Reviews)

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$5000 USD in 20 days
(45 Reviews)

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(470 Reviews)

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(241 Reviews)

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(326 Reviews)

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(48 Reviews)

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(162 Reviews)

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(92 Reviews)

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(79 Reviews)

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(17 Reviews)

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(60 Reviews)

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(17 Reviews)

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