removeListener method
Implementation
@override
void removeListener() {
Log(tag).i("tab is listener remove");
removeListenerFlag = true;
if (kIsWeb) {
document.removeEventListener("visibility-change", (event) => {
Log(tag).i("changeability is remove")
});
window.removeEventListener('visibility-change', (event) => {
Log(tag).i("visibility-change listener remove")
});
}
}