public async Task <bool> Login(string userName, string password) { var resp = await _restManager.LoginAsync(userName, password); IsLogged = !string.IsNullOrWhiteSpace(resp?.token); if (!IsLogged) { return(false); } SharedPreferencesService.LastLogin = userName; SharedPreferencesService.AuthToken = resp.token; SharedPreferencesService.UserId = resp.user_id; return(true); }