setStateOf static method
Calls the setState() of the State objet from the specified StatefulWidget passing the specified function. Return true if successful. Usually called in the StatefulWidget passing 'this' as a parameter.
Implementation
static bool setStateOf(StatefulWidget? widget, VoidCallback? fn) {
bool set;
final state = stateIn(widget);
set = state != null;
if (set) {
set = state.mounted;
}
if (set) {
set = fn != null;
}
if (set) {
state!.setState(fn!);
}
return set;
}