Upgrade Android Pure Java application - E-Voucher

My project is to update an exist Android Java project.

The solution is an E-voucher system which is a software that provide POS solution that work offline on mobiles phone. The main purpose is managing voucher and it’s balance, managing Vendors and their products using NFC cards.

Now I need to update the mobile app, here are the description for the updates needed for our application:

Core system:

• Downgrade the app to work on android 4 or higher, Now working on Android 5.

• Change printer SDK to our new device

• Disable on NFC card tap open new invoice

1- Login:

1. Vendor login with NFC card instead of username and password.

2. Allow multiple vendor to log into the same device


1. Dynamic price with validation between min and max (min=max => static price).

2. Pin code on paying an invoice. (this pin could be Number-Colors-Photos)

3. Balance Expire (Balance could expired on specific date) multiple top-up for the same card each one will end in different date.

4. Enable / disable pin code, signature, photo according to value from DB

3-Vendor Function:

1. Payment from vendor side.

a. payment request (Select invoices to be request to paid- save this information not be paid again)

b. Payment receiving confirmation (after accepting from admin portal)

2. print report with start end date with add button for (day, week, month)

4-Field Officer

1. setup card pin in three types (Number-Colors-Photos)

2. Benef. signature on setting up pin code

3. update balance when setup pin

5- Show card information


1. Home page shows:

a. Products

b. Reports

c. Sync

d. Payment

1. Enhance choose product mechanism

2. When click on product allow vendor to add the quantity of product and the price

3. Deploy design as provided from designer (Colors, Icons)

7-Roles: (all these functions depend on variable from the web)

1. Role for report

2. Role for create/show invoice

3. Role for create/show payment

4. Role for setup card pin

5. Role for Card information

8-Backup on SD card

9- Doing all API changing need on the web server.

The application now is working, those are just update.

More explanation could provided

Aptitudini: Android, Java, Mobile App Development

Vezi mai multe: upgrade iphone java android, simple android application java, quran android application java, jquery day week month view calendar, ebook android application java, java android application, application java quran android, android application java html, java application work android iphone, day week month manipulation mysql, application java day life, chat application java, video application java, web services chat application java, project application java mobile

Despre angajator:
( 0 recenzii ) damas, Syrian Arab Republic

ID Proiect: #12331849

33 freelanceri licitează în medie 22$/oră pentru acest proiect


Hi, I checked your description carefully. I can meet up all your requirements successfully. I have an 6+ years experience of mobile app developing. I received all 5 stars on freelancer project which i worked before. Mai multe

$30 USD / oră
(79 recenzii)
$25 USD / oră
(148 recenzii)

I read your project description twice and I have some thoughts, Its impossible to put an accurate estimate without taking a look at the current system, the new printer, etc I have worked on some android apps with Mai multe

$25 USD / oră
(97 recenzii)
$25 USD / oră
(150 recenzii)

Dear Sir, I have read Project Description & understood everything, so can you show me your existing App? Do you have an APK file? Please click on the chat button for further discussion about your project. Look Mai multe

$24 USD / oră
(11 recenzii)

Hello, How are you? I had read your job description and many interest. I check all tech problem via google,and known that i can do this project well. This project match with my skill and experience, i have fu Mai multe

$22 USD / oră
(64 recenzii)

Hello, We would like to confirm our interest in this opportunity. We have developed several end-to-end web and mobile apps for our clients in US and Europe, and can share references with our proposal. We're placi Mai multe

$18 USD / oră
(48 recenzii)

►►Project Title- -Android App Upgrading ►►Scope- -User profile management -Login -Vendor -Invoices -Submit pin -Pin features -Product -Sync -Database management ---Kindly communicate with us so that we Mai multe

$15 USD / oră
(24 recenzii)

Hi, I have 5+ years of experience in Android/iPhone/iPad Application development. Can you share source code before next move? I have developed applications for a range of domains like GPS services, retail, cons Mai multe

$25 USD / oră
(120 recenzii)

Dear sir. We are a team and have rich experience on android, iPhone programming. We have done eBook, google maps, social app, scanner pro,taxi app etc... Lets discuss for your idea, i will implement your idea suc Mai multe

$21 USD / oră
(39 recenzii)

Hello Sir, First of all, we would like to tell you how we will initialize the project with you Please have a look at our portfolio for Mobile App and Unity Game based projects: [login to view URL] Mai multe

$16 USD / oră
(70 recenzii)

We are a team of excellent programmers and engineers. We have completed over 250 jobs up to now, and are ever-growing at rapid speed. Our team include many experts with following skills. - C/C++/C#/Java Programming Mai multe

$21 USD / oră
(88 recenzii)

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 Mai multe

$22 USD / oră
(72 recenzii)

Hello, Sir. I read your project requirement and I understood your idea completely. I am sure I can do this job completely. I am very interested in this project and I would like to discuss this project with you. I ha Mai multe

$27 USD / oră
(37 recenzii)

Hi, I have read your post and understood your requirement and I have great experience working on -Native: iOS, Android (Objective-C, Swift, Java), PhoneGap, JNI, NDK (C/C++),Cocoa, Cocos2d game engine, OpenGLES, c Mai multe

$25 USD / oră
(18 recenzii)

I am Android and ios Expert,I would like to know more about the proposed application,Can you share any requirement document or any rough requirements you have so that we can evaluate on what is to be done. We have tea Mai multe

$25 USD / oră
(102 recenzii)

Hello! My name is Vlad and I represent Ukrainian company with great experience in creating mobile apps. I have already dealt with such financial apps (check out DoubleNet Pay [login to view URL] Mai multe

$40 USD / oră
(20 recenzii)

Hi, I have studied current SOW and we are able to downgrade app at certain version in android, as well integrate with different API, I would like to discuss further in details and want to check current system kindl Mai multe

$22 USD / oră
(13 recenzii)

Hi Dear Employer, how are you? I Will Provide You Great And Perfect App To Lead You To The Success In Your Business As Well As Full Services. I saw your project description carefully and thought that your project was Mai multe

$21 USD / oră
(25 recenzii)

Hello, I expertise in creating rich and attractive UI/UX. I am a skilled android app developer having ample experience in creating apps with rich and attractive user­interface. I love to develop great designs that be Mai multe

$15 USD / oră
(58 recenzii)