Flutter build apk

[Maksym_Khobotin]

Don’t you forget to setup the Proguard config?
https://backendless.com/docs/flutter/setup.html#proguard-configuration

There is also a post about it:

Release app crash

Hi @Mohamed_Rashed, @Mohamed_Elgendy and @Andrew_Gadri-Akrong The release application crash was caused by the Android code optimizer (ProGuard or R8). The Flutter enables the optimization and obfuscation by default. There are two ways to solve this problem: disable optimizer or configure the optimizer config to don’t delete the necessary files. To disable the optimizer you can simply add the option minifyEnabled false to your android/app/build.gradle: android { buildTypes { rel…

Best Regards,
Maksym