handleSystemHide method
override
Handles the system hiding a context menu.
Called only on the single active instance registered with ServicesBinding.systemContextMenuClient.
Implementation
@override
void handleSystemHide() {
assert(!_isDisposed);
assert(isVisible);
if (_isDisposed || !isVisible) {
return;
}
if (_lastShown == this) {
_lastShown = null;
}
_hiddenBySystem = true;
onSystemHide?.call();
}