0x5f3759df

check this com.google.android.gms:play-services-ads:+ in both gradle files

@skmgoldin Deleting all blocks worked for me try it.

solutions are divided in multiple comments, so here is a complete solution thanks to @ChrisCodeCole and @L-x-C i'm on `react-native v0.61.2` that's why my directory path is : `node_modules/react-native/Libraries/Renderer/implementations/` for...

@jsmile1994 do you have `enableProguardInReleaseBuilds = false` in `app/build.gradle`?