Hello, I am a flutter developer
To upload file from phone, it should use multi-part request of flutter.
Also, I will use audio_recorder package of flutter for voice recording.
Looking forward to hear from you
Thanks, Dinh P
Flutter Skills:flutter_block(BlocBuilder, BlocProvider), redux(StoreBuilder), flutter_redux(StoreProvider, StoreConnector), GraphQL, Dio,Http library(api integration), StatefulWidget