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Ticket-Scanning-App -Custom-Android-Device-back

Ticket Scanning App for a Custom Android Device

Scans 40 types of access codes, verifies tickets in offline and online mode

The client provides digital solutions for international trade fairs and events. The company specializes in digital signage networks and intelligent visitor management systems.

Project Information
Engagement model

T&M (time and materials)




Android Developers


QA Engineer


Project Manager

More Details


The customer turned to Softeq to develop a mobile app for event organizers. It would help them admit event attendees faster.

The application would scan visitor tickets and collect visitorsโ€™ data for statistical analysis.



Our team created a client-server app that can be installed on a custom handheld Android device. Event organizers can use the gadget to scan visitor tickets, which might contain over 40 types of access codes (QR, Data Matrix, ITF among others). The application then transmits the data to the dedicated back-end server using SSL encryption.

The app also supports offline ticket verification: if the device has lost connection to the server, the application checks ticket data locally. This function is enabled by calling a precompiled library containing an algorithm for code verification.

The key features of the ticket scanning app include:

  • Online/offline ticket verification
  • Ticket and user information storage in the offline mode
  • Option to cancel a ticket
  • Displaying ticket history
  • Multilingual UI (German, English)
  • Background batch data transmitted to the server
  • Possibility to configure time after which the device switches to offline mode
  • Manual activation of the online/offline mode
  • Log file generation

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Igor Account Manager


Happy with the project results, the client has already tested the application at an international event in Cologne, Germany.