isUserOnline method
判断用户是否在线
Implementation
bool isUserOnline(int id) {
dynamic user=getUser(id);
Log.i(tag, "isUserOnline:id:$id");
Log.i(tag, "isUserOnline:user:$user");
if(user!=null){
if(user["status"]==Constant.UserStatus_ThisGroup
||user["status"]==Constant.UserStatus_OtherGroup){
return true;
}
}
return false;
}