Let connect() method wait until there is an actual connection

Author: Dennis Trautwein

lib/src/remote_devtools_middleware.dart

@@ -55,6 +55,20 @@ class RemoteDevToolsMiddleware extends MiddlewareClass {
     this._channel = await this._login();
     _setStatus(RemoteDevToolsStatus.starting);
     this._relay('START');
+
+    await Future (() {
+      final c = Completer();
+      this.socket.on(_channel, (String name, dynamic data) {
+        if (data['type'] == "START") {
+          _setStatus(RemoteDevToolsStatus.started);
+          c.complete();
+        } else {
+          c.completeError(data);
+        }
+      });
+      return c.future;
+    });
+
     this.socket.on(_channel, (String name, dynamic data) {
       this.handleEventFromRemote(data as Map<String, dynamic>);
     });
@@ -95,9 +109,9 @@ class RemoteDevToolsMiddleware extends MiddlewareClass {
       case 'DISPATCH':
         _handleDispatch(data['action']);
         break;
-      // The START action is a response indicating that remote devtools is up and running
-      case 'START':
-        _setStatus(RemoteDevToolsStatus.started);
+      // The START action is a response indicating that remote devtools is up and running	
+      case 'START':	
+        _setStatus(RemoteDevToolsStatus.started);	
         break;
       case 'ACTION':
         _handleRemoteAction(data['action'] as String);