Flutter find a widget

var keyA = UniqueKey();
var keyB = UniqueKey();
var keyC = UniqueKey();
var keyD = UniqueKey();
List<Widget> widgetList = List<Widget>();

widgetList.add(WidgetA(key: keyA));
widgetList.add(WidgetB(key: keyB));
widgetList.add(WidgetC(key: keyC));
widgetList.add(WidgetD(key: keyD));

Widget activeWidget = widgetList.firstWhere((x) => x.key == keyB);

Source: stackoverflow.com

Similar codes

0 vote220 views1 answer
DataTable GetErrors
C#
3 votes234 views4 answers
Artisan command in route
C#
0 vote205 views1 answer
How to work with ascii in c#
C#
0 vote209 views1 answer
C# system dont let write txt file
C#
0 vote199 views1 answer
Limiting the amount of decimal places c#
C#
19 votes276 views2 answers
Unity reset scene
C#Unity
0 vote206 views1 answer
C# setting property values through reflection with attributes
C#
4 votes225 views3 answers
Convert comma separated string to array c#
C#
45 votes251 views6 answers
Unity C# random number
C#Unity
1 vote185 views1 answer
Get all sundays between two dates c#
C#