How run code after showDialog is dismissed in Flutter?

Question

How to update the Homepage just after the showDialog() is dismissed/disposed? Doesn\'t seem like it has an onDispose() function.

Found another

Answer 1

It really depends on the type of updates you want to have.

However, this is a simple example that may help you figure it out.

class Home extends StatefulWidget {
  @override
  _HomeState createState() => new _HomeState();
}

class _HomeState extends State {
  String _homeData = "initial data";

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      body: new Center(
        child: new Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            new Text(_homeData),
            new RaisedButton(
              child: new Text("Show Dialog"),
              onPressed: ()async{
                bool shouldUpdate = await showDialog(
                  context: this.context,
                  child:new AlertDialog(
                    content: new FlatButton(
                      child: new Text("update home"),
                      onPressed: () => Navigator.pop(context, true),
                    ),
                  ),
                );
                setState(() {
                  shouldUpdate ? this._homeData = "updated" : null;
                });
              },
            ),
          ],
        ),
      ),
    );
  }
}