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Simple crowd-sourced data collection app with offline support

** Note that this project will NOT be awarded until July 6th, and the expected completion date is August 17th.**

This app will collect crowdsourced data. It is to be build in React Native and use Google Firebase, and be compatible with iOS and Android. End users will login with phone # / sms confirmation. Users will then be displayed a form that asks them to provide the following types of data for each crowdsourced data point submission: location (from GPS, user-adjustable on a map), picture, free-formed text, checkbox, and radio button. The exact fields, field names, descriptions, and validation requirements must be admin-configurable (and not hard-coded). Finally, you must also develop a simple HTML/JavaScript page that a) allows the admin to configure these fields, and b) allows them to export all data as a .CSV.

Upon clicking "submit", the app attempts to upload data to the server. If there is no internet connection, then the app should hold the data point in an "outbox", and upload it at the next available opportunity. As such, the app should be fully functional offline. (Note that Firebase makes working with offline data easy: [login to view URL])

Additional requirements: The cross-platform iOS and Android app is to be built in React Native and use Google Firebase as the backend. As such, you will be responsible for designing the database structure. In addition, the app must also be compatible with screen readers (e.g. VoiceOver and TalkBack). I will provide all graphics, colors, etc... Successful completion of the app will require acceptance of the app to Google Play and the Apple App Store. (I will actually submit the app, but will not release the final milestone payment unless the app is accepted).

Finally, you must demonstrate how the app (and firebase backend) can be extended to develop version 2 of this app. Note that you are NOT responsible for developing version 2; simply, you must show that your design choices would support these features without reworking of code.

* Allow end-users to view the data they reported, and data that others reported, both in a list view and on a map.

* Profile screen for users (e.g. photo, name, etc...)

* Single sign on with google and/or facebook

Please contact me with any questions.

Kemahiran: API Peta Google, Mobile App Development, React.js

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Tentang Majikan:
( 5 ulasan ) Needham, United States

ID Projek: #17143840

17 pekerja bebas membida secara purata $764 untuk pekerjaan ini

DavidLiu80

Hello, I am an experienced web and mobile developer on this site. I have a great profile by completing over 100+ mobile apps and site tasks and got the great skills and experiences so far. [login to view URL] Lagi

$500 USD dalam 10 hari
(88 Ulasan)
8.0
JinDongZhe

Hi ,sir. How are you? Nice to meet you. I have gone through with your project description and now i am very qualified that i can complete your project. Because i have experience with Firebase and CSV&PDF export and Lagi

$400 USD dalam 42 hari
(97 Ulasan)
7.4
Sunxiyong0116

Dear client. How are you? I saw your post and hope to work with you. I have good experiences in android, iphone for 6+ years and mainly work with java in android studio, swift, objective-c in [login to view URL] have good ski Lagi

$555 USD dalam 10 hari
(44 Ulasan)
7.1
$555 USD dalam 10 hari
(17 Ulasan)
6.7
flance9

Hello, Thank you very much for sharing your requirement to build a crowd-sourced data collection app with offline support. I have read the brief project description and would like to proceed. I have 4+ years of e Lagi

$1000 USD dalam 15 hari
(20 Ulasan)
6.5
$555 USD dalam 10 hari
(40 Ulasan)
6.9
technorizensoft

Hello, I m fulltime available for work , I have 6 years of experienced on mobile application and development web services I have gone through your project requirement specification and as per my previous experie Lagi

$555 USD dalam 10 hari
(9 Ulasan)
5.9
thelastsummer

I am expert in Web designing/developing.I believe that I can be the best productive candidate for this requirement. My skills include : * PHP, CMS, Word Press, Magento, Joomla, Ecommerce, HTML * Branding and Cre Lagi

$555 USD dalam 10 hari
(30 Ulasan)
5.8
webdeveloper0325

Hi. I am so anxious to do your job and because it really fits my ability. I have been working with mobile development for more than 8 years and enough experience in React Native and Firebase. I suppose the main prob Lagi

$2222 USD dalam 10 hari
(10 Ulasan)
4.9
sergaymihilovich

Hi there I've checked the job description and understood your idea exactly. I've enough experience about React-Native for Iphone&Ipad and Android , firebase, google map service... I've already developed several Lagi

$1666 USD dalam 15 hari
(9 Ulasan)
4.4
WebExpertNatasha

Dear Hiring Manager! I have gone through your job posting and understood your requirements, Actually I have full confident in React Native and also to send you awesome result. Only one question, when can I start and Lagi

$555 USD dalam 10 hari
(4 Ulasan)
4.1
myappsdevelopers

Hello Hiring Manager, I read your job descriptions carefully, I am very interesting in your job. I have developed apps such as Social networking & lifestyle(Tinder style dating, chatting, sharing), Food & drink(R Lagi

$555 USD dalam 10 hari
(14 Ulasan)
3.8
MaryumAkhter1

I can develop this I have an experience of 5-6 years in this field kindly reply me so that I can further discuss it with you

$450 USD dalam 12 hari
(5 Ulasan)
4.1
hiteshkumar2

Hi I understand your requirements regarding Web. I am professionals BTech IT engineer. I am providing the every kind of service related to Web sites and server management. I have 5 years experience in Web developme Lagi

$755 USD dalam 10 hari
(3 Ulasan)
2.9
isparrowsolution

Greetings, Thanks for reviewing my project proposal on your job application. I'm interested in the project you recently posted. I already have experience of developing same kind of app, please come on chat so we Lagi

$555 USD dalam 10 hari
(3 Ulasan)
2.7
digitalads786

I have many years of experience in mobile app development on android and iOS. my recent project is Metro1news App and Lagel App

$1000 USD dalam 30 hari
(0 Ulasan)
0.0
vijaychouhan

​​ ​​ ​​ ​​ ​​ ​Hi, It’s a pleasure to meet you, I am an Expert React Native developer specialized in building high-performance UI components and applications. I can definitely help you in developing your crow Lagi

$555 USD dalam 10 hari
(0 Ulasan)
0.0