public App()
{
InitializeComponent();
_locationUpdates = DependencyService.Resolve <ILocationUpdates>();
Connectivity.ConnectivityChanged += ConnectivityChanged;
DeviceDisplay.KeepScreenOn = true;
MainPage = new AppShell();
Routing.RegisterRoute("settings", typeof(SettingsPage));
Routing.RegisterRoute("log", typeof(LogPage));
}
public SettingsViewModel()
{
_locationUpdates = DependencyService.Resolve <ILocationUpdates>();
MessagingCenter.Subscribe <IGpsManager>(this, Constants.Message.GPS_STATE_CHANGED, (sender) => {
OnPropertyChanged("GpsConnected");
OnPropertyChanged("ConnectCommandDescription");
});
MessagingCenter.Subscribe <App, Xamarin.Essentials.ConnectivityChangedEventArgs>(this, Constants.Message.CONNECTION_STATE_CHANGED, (sender, args) => {
OnPropertyChanged("ConnectionStatus");
});
MessagingCenter.Subscribe <PositionUpdate[]>(this, Constants.Message.POSITIONS_UPDATED, (positions) =>
{
OnPropertyChanged("PositionsSummary");
OnPropertyChanged("LastUpdate");
});
}
public MainViewModel()
{
_updates = DependencyService.Get <ILocationUpdates>();
MessagingCenter.Subscribe <ILocationUpdates>(this, Constants.Message.TRACKING_STATE_CHANGED, (sender) => RefreshUI());
MessagingCenter.Subscribe <string>(this, Constants.Message.TARGET_UPDATED, (target) => RefreshUI());
MessagingCenter.Subscribe <PositionUpdate[]>(this, Constants.Message.POSITIONS_UPDATED, (positions) => RefreshUI());
MessagingCenter.Subscribe <IGpsManager>(this, Constants.Message.GPS_STATE_CHANGED, (sender) =>
{
if (_updates.IsRunning && !sender.IsListening)
{
_updates.Stop();
}
RefreshUI();
});
// Force a re-build
State.Positions.Clear();
State.ResetThrottle();
}
