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Ask HN: Most common debugging challenges you've faced in Flutter / React Native?

1 points by msnkarthik ↗ HN
And how did you overcome them? Are there any gaps in the existing tools like crashlytics or instabug which needs to be bridged specifically for flutter and react native?

3 comments

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designed
The most annoying thing for me as I develop RN apps is that I still have to deal with native differences between platforms sometimes. Things like BLE, permissions, and file system.

That being said, it's not terribly frustrating, and I really enjoy RN dev. You just need to make sure to still test on each OS you're targeting.

Regarding tooling, I don't think you'll have any issues finding a crash/bug reporting solution that is easy to set up for each OS.

Also, Expo is the recommended platform on which to build RN apps [0]. It's very mature and they develop and maintain many high quality packages.

[0] https://reactnative.dev/blog/2024/06/25/use-a-framework-to-b...

msnkarthik
Totally agree with you on the native differences—it can be a bit of a headache, especially when dealing with things like BLE and permissions. Testing on each OS is definitely key. How do you usually manage the debugging process when you run into platform-specific issues? Do you rely on any particular tools or strategies to streamline that?
sa9desh
I've faced several debugging challenges in both Flutter and React Native, particularly with asynchronous bugs that are hard to trace. In Flutter, the stack traces aren't always clear, especially when dealing with complex widget trees. I've found using tools like Dart DevTools and adding custom logging to be quite helpful.

For React Native, I've often struggled with inconsistent behavior between iOS and Android during debugging.