public static async void DoRequest(this Activity activity, Task action, Action postAction = null, Action exceptionAction = null)
{
try
{
await action;
activity.RunOnUiThread(postAction);
}
catch (Exception ex)
{
activity.RunOnUiThread(exceptionAction);
activity.ShowMessage(ex.Message);
}
}
private void RefreshMarkers()
{
// Update each marker position
foreach (var pair in transportMarkers)
{
Transport transport = pair.Key;
Marker marker = pair.Value;
// Compute quick position
Position quickFrom = transport.Step.Stop.Position;
Position quickTo = transport.TimeStep.Step.Stop.Position;
LatLng quickPosition = new LatLng(quickFrom.Latitude + (quickTo.Latitude - quickFrom.Latitude) * transport.Progress, quickFrom.Longitude + (quickTo.Longitude - quickFrom.Longitude) * transport.Progress);
// Update marker
ValueAnimator valueAnimator;
if (!markerAnimators.TryGetValue(marker, out valueAnimator))
{
valueAnimator = new ValueAnimator();
valueAnimator.AddUpdateListener(new MarkerAnimator(Activity, marker, transport, p => SetMarkerPosition(transport, marker, p), refreshCancellationTokenSource));
valueAnimator.SetInterpolator(new LinearInterpolator());
valueAnimator.SetFloatValues(0, 1);
valueAnimator.SetDuration(1000);
markerAnimators.Add(marker, valueAnimator);
}
else
{
Activity.RunOnUiThread(valueAnimator.Cancel);
}
Activity.RunOnUiThread(valueAnimator.Start);
}
}
public override void OnDestroyView()
{
base.OnDestroyView();
// Clean markers
foreach (Marker marker in transportMarkers.Values)
{
Activity.RunOnUiThread(marker.Remove);
}
transportMarkers.Clear();
markerSteps.Clear();
// Stop and clean animators
foreach (ValueAnimator valueAnimator in markerAnimators.Values)
{
Activity.RunOnUiThread(valueAnimator.Pause);
}
markerAnimators.Clear();
// Dispose map
googleMap.Clear();
googleMap.Dispose();
mapFragment.Dispose();
mapFragment = null;
}
public static void ShowDialog(String title_text, String message, String NegativeButton, String PositiveButton, Action actionPositive)
{
Android.App.Activity act = Locator.Current.GetService <Android.App.Activity>();
AlertDialog.Builder builder = new AlertDialog.Builder(act);
if (title_text != null)
{
builder.SetTitle(title_text);
}
builder.SetMessage(message);
builder.SetCancelable(false);
builder.SetPositiveButton(PositiveButton, (s, ev) =>
{
if (actionPositive != null)
{
actionPositive.Invoke();
}
((AlertDialog)s).Cancel();
});
builder.SetNegativeButton(NegativeButton, (s, ev) =>
{
((AlertDialog)s).Cancel();
});
act.RunOnUiThread(() =>
{
AlertDialog alert = builder.Show();
});
}
private async void BigLongImportantMethodAsync()
{
System.Threading.Thread.Sleep(3000);
_activity.RunOnUiThread(() =>
{
});
}
public void OnRefreshed(IEnumerable <TimeStep> timeSteps, IEnumerable <Transport> transports)
{
timeStepsCache = timeSteps.ToArray();
transportsCache = transports.ToArray();
if (googleMap == null || Activity == null)
{
return;
}
List <Transport> unusedTransports = transportMarkers.Keys.ToList();
AutoResetEvent autoResetEvent = new AutoResetEvent(false);
foreach (Transport transport in transports)
{
Marker marker;
// Create a new marker if needed
if (!transportMarkers.TryGetValue(transport, out marker))
{
Activity.RunOnUiThread(() =>
{
MarkerOptions markerOptions = new MarkerOptions()
.Anchor(0.5f, 0.5f)
.SetIcon(transportBitmapDescriptor)
.SetPosition(new LatLng(0, 0));
marker = googleMap.AddMarker(markerOptions);
transportMarkers.Add(transport, marker);
autoResetEvent.Set();
});
autoResetEvent.WaitOne();
}
else
{
unusedTransports.Remove(transport);
}
}
// Clean old markers
foreach (Transport transport in unusedTransports)
{
Marker marker = transportMarkers[transport];
transportMarkers.Remove(transport);
Activity.RunOnUiThread(marker.Remove);
ValueAnimator valueAnimator;
if (markerAnimators.TryGetValue(marker, out valueAnimator))
{
Activity.RunOnUiThread(valueAnimator.Cancel);
markerAnimators.Remove(marker);
}
}
RefreshMarkers();
}
public static void showCenterToast(Android.Content.Context ctx, string text, Android.Widget.ToastLength duration)
{
Android.App.Activity act = (Android.App.Activity)ctx;
act.RunOnUiThread(() => {
Android.Widget.Toast toast = Android.Widget.Toast.MakeText(ctx, text, duration);
toast.SetGravity(Android.Views.GravityFlags.Center, 0, 0);
toast.Show();
});
}
private void SetMarkerPosition(Transport transport, Marker marker, LatLng position)
{
if (!hasFocus)
{
return;
}
Activity.RunOnUiThread(() =>
{
marker.Position = position;
//if (marker.Id == selectedMarkerId)
// googleMap.AnimateCamera(CameraUpdateFactory.NewLatLng(position));
});
}
public void UpdateBGFeeds()
{
#endif
Logging.Log(this, Logging.LoggingTypeDebug, "UpdateBGFeeds()");
BackgroundWorker bgWorker = new BackgroundWorker();
bgWorker.DoWork += delegate(object sender, DoWorkEventArgs e)
{
UpdateFeeds();
};
bgWorker.RunWorkerCompleted += delegate(object sender, RunWorkerCompletedEventArgs e)
{
Logging.Log(this, Logging.LoggingTypeDebug, "UpdateBGFeeds() - RunWorkerCompleted");
#if MONODROID
activity.RunOnUiThread(delegate()
{
if (this.activity.GetType() == typeof(de.dhoffmann.mono.adfcnewsapp.droid.News))
{
de.dhoffmann.mono.adfcnewsapp.droid.News aNews = (de.dhoffmann.mono.adfcnewsapp.droid.News)this.activity;
aNews.LoadNews();
Android.Widget.Toast.MakeText(this.activity, "Die Newsfeeds sind aktualisiert.", Android.Widget.ToastLength.Short).Show();
}
});
#endif
#if MONOTOUCH
parentController.InvokeOnMainThread(delegate
{
// TODO: Wartekringel entfernen
this.parentController.BindMyData();
});
#endif
};
bgWorker.RunWorkerAsync();
}
public static AlertDialog ShowDialog(String title_text, String message, String okButton)
{
Android.App.Activity act = Locator.Current.GetService <Android.App.Activity>();
AlertDialog.Builder builder = new AlertDialog.Builder(act);
if (title_text != null)
{
builder.SetTitle(title_text);
}
builder.SetMessage(message);
builder.SetCancelable(false);
builder.SetNegativeButton(okButton, (s, ev) =>
{
((AlertDialog)s).Cancel();
});
AlertDialog alert = builder.Create();
act.RunOnUiThread(() =>
{
alert.Show();
});
return(alert);
}
public static void MakeToast(this Android.App.Activity activity, string message)
{
activity.RunOnUiThread(delegate {
Android.Widget.Toast.MakeText(activity, message, Android.Widget.ToastLength.Short).Show();
});
}
public static void SafeInvokeOnMainThread(this Android.App.Activity activity, Action action, Action <Exception> failureAction = null)
{
activity.RunOnUiThread(() => SafeInvoke(((Exception error) => LogUtils.Error(error)), failureAction, action));
}
public async void OnMapReady(GoogleMap map)
{
// Register events
googleMap = map;
googleMap.CameraChange += GoogleMap_CameraChange;
googleMap.MyLocationButtonClick += GoogleMap_MyLocationButtonClick;
googleMap.MarkerClick += GoogleMap_MarkerClick;
googleMap.InfoWindowClick += GoogleMap_InfoWindowClick;
// Enable my location if user has granted location permission
if (ContextCompat.CheckSelfPermission(Activity, Manifest.Permission.AccessFineLocation) == Permission.Granted)
{
googleMap.MyLocationEnabled = true;
}
await Task.Run(() =>
{
Dictionary <string, MarkerOptions> multiStopGrayMarkerOptions = new Dictionary <string, MarkerOptions>();
Dictionary <Stop, MarkerOptions> multiStopDetailMarkerOptions = new Dictionary <Stop, MarkerOptions>();
Dictionary <Stop, MarkerOptions> singleStopMarkerOptions = new Dictionary <Stop, MarkerOptions>();
Bitmap multiStopIcon = Utils.GetStopIconForColor(Activity, Color.Gray, TramUrWayApplication.MapStopIconSize);
BitmapDescriptor multiStopIconDescriptor = BitmapDescriptorFactory.FromBitmap(multiStopIcon);
// Create multistop markers
foreach (var pair in stops.Where(p => p.Value.Length > 1))
{
MarkerOptions markerOptions = CreateStopMarker(multiStopIconDescriptor, pair.Value);
multiStopGrayMarkerOptions.Add(pair.Key, markerOptions);
foreach (Stop stop in pair.Value)
{
Bitmap stopIcon = Utils.GetStopIconForLine(Activity, stop.Line, TramUrWayApplication.MapStopIconSize);
BitmapDescriptor stopIconDescriptor = BitmapDescriptorFactory.FromBitmap(stopIcon);
markerOptions = CreateStopMarker(stopIconDescriptor, stop).Visible(false);
multiStopDetailMarkerOptions.Add(stop, markerOptions);
}
}
// Create single stop markers
foreach (var pair in stops.Where(p => p.Value.Length == 1))
{
Stop stop = pair.Value[0];
Bitmap stopIcon = Utils.GetStopIconForLine(Activity, stop.Line, TramUrWayApplication.MapStopIconSize);
BitmapDescriptor stopIconDescriptor = BitmapDescriptorFactory.FromBitmap(stopIcon);
MarkerOptions markerOptions = CreateStopMarker(stopIconDescriptor, stop).Visible(stop.Line.Type == LineType.Tram);
singleStopMarkerOptions.Add(stop, markerOptions);
}
// Add all markers to the map
Activity.RunOnUiThread(() =>
{
foreach (var pair in multiStopGrayMarkerOptions)
{
multiStopGrayMarkers.Add(pair.Key, googleMap.AddMarker(pair.Value));
}
foreach (var pair in multiStopDetailMarkerOptions)
{
Marker marker = googleMap.AddMarker(pair.Value);
multiStopDetailMarkers.Add(pair.Key, marker);
markerStops.Add(marker.Id, pair.Key);
}
foreach (var pair in singleStopMarkerOptions)
{
Marker marker = googleMap.AddMarker(pair.Value);
singleStopMarkers.Add(pair.Key, marker);
markerStops.Add(marker.Id, pair.Key);
}
});
});
}
