onGroupMemberLeft method
Implementation
@override
onGroupMemberLeft(cc.Action action, User leftUser, Group leftGroup) {
if (_checkGroupSettings() == false) {
return;
}
if (loggedInUserId == leftUser.uid) {
refreshSingleConversation(action, true, remove: true);
} else {
refreshSingleConversation(action, true);
}
}