How to prevent AlertDialog from not closing by clicking outside?

Issue

I built an AlertDialog to display Loading while i'm authenticating the user and when it finishes i pop it.

Widget loadingDialog = new AlertDialog(
content: new Row(
  children: <Widget>[
    new CircularProgressIndicator(),
    Padding(
      padding: const EdgeInsets.only(left: 8.0),
      child: new Text("Loading..."),
    ),
  ],
),);

But, if the user taps outside the Dialog it closes. So when the auth finishes, it will still pop something (i guess the scaffol), breaking the app. How can i make Dialog not closable?

Solution

There is a property inside showDialog called barrierDismissible. Setting this value to false will make your AlertDialog not closable by clicking outside.

showDialog(
   ...
   barrierDismissible: false,
   ...

Answered By - Vinoth Kumar