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 vote154 views1 answer
How to get last child of gameobject in unity
C#Unity
2 votes119 views1 answer
How to pause physics in unity c#
C#
1 vote115 views1 answer
C# winforms input
C#
1 vote111 views3 answers
Add-users:430 Uncaught TypeError: $(...).validate is not a function
C#
0 vote125 views1 answer
C# create console for winform
C#
0 vote115 views9 answers
C# return error status code based on exception
C#
0 vote113 views1 answer
Convert relative path to physical path c#
C#
0 vote141 views1 answer
How to twist a image in the code behind C#
C#
1 vote107 views1 answer
C# reflection resize array
C#
2 votes96 views1 answer
C# mvc return partial view
C#