show dialog close flutter
BuildContext dialogContext; // <<---- showDialog( context: context, // <<---- barrierDismissible: false, builder: (BuildContext context) { dialogContext = context; return Dialog( child: new Row( mainAxisSize: MainAxisSize.min, children: [ new CircularProgressIndicator(), new Text("Loading"), ], ), ); }, ); await _longOperation(); Navigator.pop(dialogContext); // <<----
