onCopy property

VoidCallback onCopy

The handler for SemanticsAction.copy.

This is a request to copy the current selection to the clipboard.

TalkBack users on Android can trigger this action from the local context menu of a text field, for example.

Implementation 

VoidCallback get onCopy => _onCopy;
void onCopy= (VoidCallback value)

Implementation 

set onCopy(VoidCallback value) {
  _addArgumentlessAction(SemanticsAction.copy, value);
  _onCopy = value;
}