/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e) { // TODO: Create an appropriate data model for your problem domain to replace the sample data Tuple<String, IEnumerable<Message>> args = (Tuple<String, IEnumerable<Message>>)e.NavigationParameter; this.user = await SampleDataSource.GetUserAsync(args.Item1); if (this.user == null) { Debug.WriteLine("bad user: "******"Messages"] = msgs; Header.Text = this.user.ToString(); chathistorylist.UpdateLayout(); if (msgs.Count > 0) { chathistorylist.ScrollIntoView(msgs.Last()); } //var item = await SampleDataSource.GetItemAsync((string)e.NavigationParameter); //this.DefaultViewModel["Item"] = item; }
private async Task GetUsersAsyncc() { if (this._users.Count != 0) return; var parameters = new List<KeyValuePair<string, string>> { new KeyValuePair<string, string>("command", "getUsers") }; string jsonText = await API.sendCommand(parameters); if (jsonText == null) { return; } JsonArray jsonArray = JsonArray.Parse(jsonText); List<User> userz = new List<User>(); foreach (JsonValue groupValue in jsonArray) { JsonObject groupObject = groupValue.GetObject(); User user = new User(groupObject["first_name"].GetString(), groupObject["last_name"].GetString(), groupObject["email"].GetString()); userz.Add(user); } userz = userz.OrderBy(o => o.FullName).ToList(); foreach (User u in userz) { this.Users.Add(u); } }