Jak zavřít dialogové okno z venku flutter
Příklady kódu
zobrazit dialogové okno zavřít 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); // <<----
flutter zavřít dialogové okno
showDialog(
context: context,
builder: (_) {
return AlertDialog(
title: Text('Wanna Exit?'),
actions: [
FlatButton(
onPressed: () => Navigator.pop(context, false), // passing false
child: Text('No'),
),
FlatButton(
onPressed: () => Navigator.pop(context, true), // passing true
child: Text('Yes'),
),
],
);
}).then((exit) {
if (exit == null) return;
if (exit) {
// user pressed Yes button
} else {
// user pressed No button
}
});Související stránky
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