public MainPage()
{
InitializeComponent();
signalR = App.signalR;
signalR.Connected += SignalR_ConnectionChanged;
signalR.ConnectionFailed += SignalR_ConnectionChanged;
signalR.NewMessageReceived += SignalR_NewMessageReceived;
}
public App()
{
InitializeComponent();
signalR = new SignalRService();
MainPage = new MainPage();
}