The client was seeking a mobile application solution for receipt printing on their POS application. The idea was to connect different thermal and POS printers to the Flutter-based application for smooth printing on various Android and iOS devices while being printed high-volume supporting multi-language printing. Let’s understand what challenges we faced and how we solved it.
Hours delivered back to the business
Installs
Team members
The Challenge
- Hardware Integration: Connecting external and internal printers with stable Bluetooth for Android and iOS.
- Custom SDKs: Modifying third-party printer SDKs to match client branding and business logic.
- Cross-Platform Compatibility: Ensuring seamless operation on both platforms despite hardware differences.
- High-Volume Printing: Handling 50+ receipts per command without delays.
- Language Support: Supporting multi-language printing, including Chinese and Arabic (right-to-left).
Our Approach/Solution
- Printer Integration: Connected thermal and POS printers via Flutter with stable Bluetooth.
- Cross-Platform Functionality: Created a unified solution with platform-specific bridges for smooth hardware integration.
- SDK Customization: Designed business-compliant receipt templates and modified SDKs.
- Performance Optimization: Improved fast, reliable printing for high-volume commands.
- Native Code Bridging: Using Java/Kotlin (Android) and Objective-C/Swift (iOS) for SDK integration.
- Advanced Features: Multi-language printing has been added for global users.
Conclusion
This was the solution to smooth and reliable receipt printing in the Pay Point Application through the integration of thermal and POS printers, SDKs customization, and bridging native code with Flutter. With this, business operations receive a boost, and the users will experience a seamless experience across the globe.
The Results
- Efficiency: Stamps receipts quickly and reliably for businesses.
- Seamless Experience: Same functionality on both Android and iOS devices.
- Global Reach: International usability is enhanced through multi-language support.
- Scalability: Future printers and features added to the system will be simple and easy to add.
