QR code scanner web app using device's camera

Need to build a web app for a check-in and check-out system. Use the device's built-in camera, Android or IOS, to scan QR codes and automatically store a timestamp in a MySQL database based on the scanned code.

1. This QR Scanner must be able to use in both Androids and IOS Mobile devices.

2. Must be able to run the scripts in HTTPS and HTTP


1. Page 1 (e.g [login to view URL]) - A form (Get method) to choose 'Choose a course ' (populated from the database), "Check-in" or "check-out" and submit. After submit bring new page.

2. Page 2 (e.g. [login to view URL]) - auto start QR Code Scanner using built-in mobile camera.

3. The scanner will scan the QR Code, save the data to MySQL, flash big green/red box for allow/denied, and ready for new scan.

Beceriler: PHP, Android, MySQL, Mobile App Development, Yazılım Mimarisi

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İşveren Hakkında:
( 0 değerlendirme ) San Diego, United States

Proje NO: #20798634

Bu iş için 21 freelancer ortalamada $216 teklif veriyor


Hi there, After the QR code is scanned, how would the system know to allow / deny, what's the algorithm (with examples please)? I have a 99% project completion rate and a 4.99 reputation (out of max 5.0 from more tha Daha Fazla

$220 USD in 7 gün içinde
(977 Değerlendirme)

I am an expert Android and iOS developer, highly skilled in native app and web development with over 10 years experience. I have built several apps with similar QR code features and I can help build a stable and funct Daha Fazla

$250 USD in 7 gün içinde
(191 Değerlendirme)

Hi sir, I read your project description .I can do your project & able to run successfully. I have 8+ years experience for website & mobile application development also done over 400+ project by a good team members . Daha Fazla

$140 USD in 7 gün içinde
(158 Değerlendirme)

Greetings sir, I have read your project details and i will develop the web app that will scan the qr code using mobile camera and save the data on mysql database. more on chat. Sir, i can deliver this project soo Daha Fazla

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(183 Değerlendirme)

Hi Will the scanner will be inbuilt the web app or user can use default QR scanner too. If they use external QR scanner...they we cannot save the data into mysql as we cannot access external QR code scanner. Please m Daha Fazla

$100 USD in 7 gün içinde
(45 Değerlendirme)

Hello, As I take this project, I will do my best! I have read your job description carefully and very interesting in your project now. I'm a seasoned iOS/Android expert with proven app development experiences in Swi Daha Fazla

$140 USD in 30 gün içinde
(26 Değerlendirme)

The dear hiring manager, I have read your description and i can start immediately I'm very interested in your job As you can see my profile, I am a expert of web development My Profile : https://www.freelancer.com/u Daha Fazla

$250 USD in 6 gün içinde
(57 Değerlendirme)

Hello How are you? I am a full stack Native Android and iOS app developer based on kotlin and Swift and Objective-C Your project is adaptable for me. I am very interesting about your project I have rich experience ov Daha Fazla

$200 USD in 7 gün içinde
(66 Değerlendirme)

Dear Client. Greetings. I am a full-stack web and mobile app developer. I have rich experience about Qrcode. Reading your requirements, I have understood what you want. Please ping me, I can finish it soon. Before, I h Daha Fazla

$140 USD in 7 gün içinde
(28 Değerlendirme)

will be great project to work on trust me,i will be glad to work on such project and i wi can assure you best delivery if awarded sir

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(26 Değerlendirme)

$$$ Good day. $$$ Hi. I understand correctly your requirement. I am a Mobile developer you are looking for. I am having 8+ years of experience in Mobile app development. Also, I have expertise in Xcode(swift), API, Daha Fazla

$250 USD in 3 gün içinde
(9 Değerlendirme)

Hi I am iOS and Android APPs expert having 7+ years experience using objective-c and swift programming language and ready to build a web app for a check-in and check-out system. Please share more details. Ki Daha Fazla

$277 USD in 10 gün içinde
(49 Değerlendirme)

I completed QR code APP a few days ago. You can see my profile about that. I'd like to discuss via private chat. Thanks.

$200 USD in 7 gün içinde
(15 Değerlendirme)

How are you? I'm a professional full stack developer. I really would like to work for you. I have rich development experience and have developed many apps. If you hire me, I will do my best for you. I already read your Daha Fazla

$1000 USD in 7 gün içinde
(11 Değerlendirme)

Hello, I am expert android developer and designer. * I have done many apps before and i have a good experience in developing android apps. * I have read your project description and I am ready to complete your job in Daha Fazla

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(21 Değerlendirme)

Hi, I am an expert Swift programmer and I have been using Swift since version 1. My main focus is Swift development focusing on various platforms Swift and iOT s ( Drones, home automation etc) along with python and C Daha Fazla

$30 USD in 3 gün içinde
(3 Değerlendirme)

Dear client. How are you? I have reviewed your inviting carefully and hope to work with you. I'm an expert in QR code scanning , android, iOS and MySql Database. I have + 11 years good experiences in this area. I can Daha Fazla

$249 USD in 3 gün içinde
(10 Değerlendirme)

Hi: I'm senior IOS app developer who have good skill for 8 years. [login to view URL] [login to view URL] https://apps. Daha Fazla

$140 USD in 7 gün içinde
(5 Değerlendirme)

Hi dear client, I have Done same requirements in past and my programme has android and iOS platforms along with Web app. here is my job [login to view URL] [login to view URL] Daha Fazla

$250 USD in 25 gün içinde
(5 Değerlendirme)

Hi there, Hope you are doing well. I have read your requirements about your project very deeply and I believe that I can complete your project within your budget and time. A, Desired website and application [ IOS and Daha Fazla

$200 USD in 12 gün içinde
(6 Değerlendirme)