Flutter
widgets
Widget
Widget const constructor
Widget
description
Widget
constructor
Null safety
const
Widget
(
{
Key
?
key
}
)
Initializes
key
for subclasses.
Implementation
const Widget({ this.key });
Flutter
widgets
Widget
Widget const constructor
Widget class
Constructors
Widget
Properties
hashCode
key
runtimeType
Methods
createElement
debugDescribeChildren
debugFillProperties
noSuchMethod
toDiagnosticsNode
toString
toStringDeep
toStringShallow
toStringShort
Operators
operator ==
Static methods
canUpdate