scrollUp method
- FinderBase<
SemanticsNode> ? scrollable,
Performs a SemanticsAction.scrollUp action on the SemanticsNode found
by scrollable or the first scrollable node in the default semantics
tree if no scrollable is provided.
Throws a StateError if:
- The given
scrollablereturns zero or more than one result. - The SemanticsNode found with
scrollabledoes not support SemanticsAction.scrollUp.
Implementation
void scrollUp({finders.FinderBase<SemanticsNode>? scrollable}) {
performAction(scrollable ?? finders.find.semantics.scrollable(), SemanticsAction.scrollUp);
}