Security7 min read
Flutter Secure QR Medical Profile Sharing
Build a secure QR medical profile in Flutter: encrypt sensitive data before it reaches Firestore and encode only a profile reference in the QR code.
Blog topic
Performance & Security
Keeping a mobile app fast, small and safe in production: profiling jank with Flutter DevTools, finding memory leaks on iOS and in Dart, cutting app size, battery-friendly geofencing and location, and hardening apps against attacks with encryption, secure storage and safe data sharing. Written from apps that have to pass real store reviews and real users.
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6 articles
- Security
Performance8 min read
Flutter Geofencing Without Battery Drain
Most geofence features die from battery drain, not bugs. Five rules for battery-friendly geofencing in Flutter: radius, dwell, permissions, transitions.
Performance10 min read
How to Reduce Flutter App Size: 12 Proven Techniques
Is your Flutter APK pushing 50MB? 12 proven techniques to shrink app size: app bundles, ABI splits, R8 shrinking, deferred components, and asset optimization.
Performance7 min read
Demystifying iOS Memory Leaks: ARC and Retain Cycles
Memory leaks are the silent killers of mobile apps. Learn how Automatic Reference Counting works and how to track down elusive retain cycles.
Performance8 min read
Zero-Jank Flutter: DevTools Profiling & Memory Leaks
A hands-on masterclass on locked 120fps animations in Flutter: pinpoint raster thread jank, eliminate saveLayer bottlenecks, and track down memory leaks.
Security9 min read
Production Mobile Security: Hardening Apps Against Attacks
Shipping an enterprise mobile app without defense-in-depth invites exploits. A guide to SSL pinning, secure keystore encryption, and tamper detection.