isOnstage top-level constant Null safety
Asserts that the Finder locates a single widget that has no Offstage widget ancestors.
See also:
- isOffstage, the opposite.
Implementation
const Matcher isOnstage = _IsOnstage();
Asserts that the Finder locates a single widget that has no Offstage widget ancestors.
See also:
const Matcher isOnstage = _IsOnstage();