public RoomsViewModel(Page page)
{
this.page = page;
ablyMessenger = DependencyService.Get <IAblyMessenger>();
ConnectCommand = new Command(async() =>
{
var success = false;
string message = string.Empty;
try
{
IsBusy = true;
success = await ablyMessenger.InitializeAsync();
}
catch (Exception ex)
{
message = ex.Message;
}
finally
{
IsBusy = false;
}
if (success)
{
await page.DisplayAlert("Success", "Now joining #general.", "OK");
await page.Navigation.PushAsync(new MainChatPage());
}
else
{
await page.DisplayAlert("Sad Monkeys", $"Unable to join #general: {message}", "OK");
}
});
}
public MainChatViewModel()
{
// Initialize with default values
ablyMessenger = DependencyService.Get <IAblyMessenger>();
Messages = new ObservableRangeCollection <Message>();
SendCommand = new Command(() =>
{
var message = new Message
{
Text = OutGoingText,
IsIncoming = false,
MessageDateTime = DateTime.Now
};
Messages.Add(message);
ablyMessenger?.SendMessage(message.Text);
OutGoingText = string.Empty;
});
LocationCommand = new Command(async() =>
{
try
{
var local = await CrossGeolocator.Current.GetPositionAsync(new TimeSpan(0, 0, 10));
var map = $"https://maps.googleapis.com/maps/api/staticmap?center={local.Latitude.ToString(CultureInfo.InvariantCulture)},{local.Longitude.ToString(CultureInfo.InvariantCulture)}&zoom=17&size=400x400&maptype=street&markers=color:red%7Clabel:%7C{local.Latitude.ToString(CultureInfo.InvariantCulture)},{local.Longitude.ToString(CultureInfo.InvariantCulture)}&key=";
var message = new Message
{
Text = "I am here",
AttachementUrl = map,
IsIncoming = false,
MessageDateTime = DateTime.Now
};
Messages.Add(message);
ablyMessenger?.SendMessage("attach:" + message.AttachementUrl);
}
catch (Exception ex)
{
}
});
if (ablyMessenger == null)
{
return;
}
ablyMessenger.MessageAdded = (message) =>
{
Messages.Add(message);
};
}