pair method
Implementation
Stream<bool> pair(ScannedDevice scannedDevice) {
return Stream.fromFuture(
_checkPermissions().then(
(value) => _channel.invokeMethod('pair', [scannedDevice.id]),
),
).flatMap((outcome) {
if (outcome == null) {
return _pairSubject;
} else {
throw UnknownException("Couldn't pair device: $outcome");
}
});
}