MeasuredSize constructor
- {Key key,
- @required Widget child,
- @required MeasureSizeCallback callback,
- dynamic offstage: false}
Constructs the MeasuredSize instance.
The instance is constructed with a builder for the child
widgets. At the completion of the build callback
is called with the
dimensions of the widget tree. If the widget tree is to be build offstage (hidden), the offstage
flag should be set to true.
Implementation
MeasuredSize({Key key,@required this.child,@required this.callback,this.offstage=false}):super(key:key,builder:(context){ return child;});