destroy method
void
destroy()
Implementation
void destroy() {
var vms = _viewModels;
for (var vm in vms) {
vm.dispose();
if (vm is HttpVmMixin) {
vm.disposeRequestToken();
}
if (vm is EventBusVmMixin) {
vm.unregisterEvents();
}
}
_viewModels.clear();
_toastTier?.dismiss();
_loadingTier?.dismiss();
_toastTier = null;
_loadingTier = null;
}