There is a simple procedure for obfuscation of the flutter app, you only need to run the build command for the release version using the –obfuscate flag combined with the –split-debug-info flag . Once you’ve obfuscated your binary, save the symbols file. You need this if you later want to de-obfuscate a stack trace.
Read moreCan Flutter be decompiled?
Flutter compiles your Dart to native assembly code and uses formats that have not been publicly documented in-depth let alone fully decompiled and recompiled .
Read moreHow do I protect my app code?
Enforce secure communication
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