Flutter apps only use Java/Kotlin bytecode to load the Flutter runtime and run the app. The actual binary is in native code as a library. So simply using an Android APK decompiler won’t give you much . You need to decompile the actual Flutter code, which resides in the file libapp.so.
Read moreWhat is flutter build APK?
This tutorial shows you how to build APK files for Android for applications developed using Flutter. APK (Application Package File) is a format used by Android operating systems for distribution and installation . After you build an application, it’s quite common to build APK files to be tested across different devices.
Read moreHow do you build APK in flutter terminal?
Build an APK
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