Flutter BLE
I started using the Flutter_Reactive_BLE package, and it looks pretty good. It had an unofficial sample program that talked to a Bluetooth serial device. It worked when I first tried it, but since the Flutter update, things have gotten broken.
Issue: BLE requires permissions. The sample used a permissions package that is no longer supported, so I need to move to the permission_handler package. Required steps:
Add to pubspec.yaml
Add import