Fixed service discovery notifications getting missed.

ozxcorp · Dec 12, 2018 · 5dfa32a · 5dfa32a
1 parent ab3c7f1
commit 5dfa32a
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/lib/src/bluetooth_device.dart b/lib/src/bluetooth_device.dart
@@ -19,17 +19,17 @@ class BluetoothDevice {
 
   /// Discovers services offered by the remote device as well as their characteristics and descriptors
   Future<List<BluetoothService>> discoverServices() async {
-    await FlutterBlue.instance._channel
-        .invokeMethod('discoverServices', id.toString());
-
-    return await FlutterBlue.instance._servicesDiscoveredChannel
+    var response = FlutterBlue.instance._servicesDiscoveredChannel
         .receiveBroadcastStream()
         .map((buffer) =>
             new protos.DiscoverServicesResult.fromBuffer(buffer))
         .where((p) => p.remoteId == id.toString())
         .map((p) => p.services)
         .map((s) => s.map((p) => new BluetoothService.fromProto(p)).toList())
         .first;
+     await FlutterBlue.instance._channel
+        .invokeMethod('discoverServices', id.toString());
+     return await response;
   }
 
   /// Returns a list of Bluetooth GATT services offered by the remote device