Update codelab to null-safety

GoogleCloudPlatform / dialogflow-flutter-grpc

Auto-generated Flutter Dialogflow library for detecting intents using gRPC. A faster integration with the Dialogflow API and also the possibility to do audio streaming.

Apache License 2.0

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Update codelab to null-safety #2

Open ikicodedev opened 3 years ago

ikicodedev commented 3 years ago

The sound_stream package is already migrated to null-safety so the codelab can be updated using this dart feature.

abhijitgawai commented 3 years ago

Hey what about rxdart. Is it updated to null - safety.