public static void DumpLocation(GeoPoint p, Stream stream)
{
using (var writer = new BinaryWriter (stream, System.Text.Encoding.UTF8, true)) {
writer.Write (p.Lat);
writer.Write (p.Lon);
}
}
// Use spherical law of cosines
public static double Distance(GeoPoint p1, GeoPoint p2)
{
const int EarthRadius = 6371;
return Math.Acos (Math.Sin (DegToRad (p1.Lat)) * Math.Sin (DegToRad (p2.Lat)) +
Math.Cos (DegToRad (p1.Lat)) * Math.Cos (DegToRad (p2.Lat)) *
Math.Cos (DegToRad (p2.Lon) - DegToRad (p1.Lon))) * EarthRadius;
}
public static StationCardFragment WithStation (Station station, GeoPoint currentLocation, BikeActionStatus status)
{
var r = new StationCardFragment ();
r.station = station;
r.currentLocation = currentLocation;
r.status = status;
return r;
}
internal async void LoadMap (GeoPoint point, FavoriteView view, ImageView mapView, long version)
{
var url = MakeMapUrl (point);
var bmp = await LoadInternal (url, MapCache);
if (bmp != null && view.VersionNumber == version) {
mapView.AlphaAnimate (0, duration: 150, endAction: () => {
mapView.SetImageDrawable (new RoundCornerDrawable (bmp));
mapView.AlphaAnimate (1, duration: 250);
});
}
}
public static string MakeStreetViewUrl(GeoPoint position, int width, int height)
{
var parameters = new Dictionary<string, string> {
{ "key", ApiKey },
{ "sensor", "false" },
{ "size", Math.Min (width, MaxStreetViewSize) + "x" + Math.Min (height, MaxStreetViewSize) },
{ "location", position.Lat.ToSafeString () + "," + position.Lon.ToSafeString () },
{ "pitch", "-10" },
};
return BuildUrl ("https://maps.googleapis.com/maps/api/streetview?", parameters);
}
public static string MakeMapUrl(GeoPoint location, int width, int height)
{
var zoom = "17";
var markerSize = "size:med";
var parameters = new Dictionary<string, string> {
{ "key", ApiKey },
{ "zoom", zoom },
{ "sensor", "true" },
{ "size", width + "x" + height },
{ "center", location.Lat + "," + location.Lon },
{ "markers", markerSize + "|" + location.Lat + "," + location.Lon }
};
return BuildUrl ("https://maps.googleapis.com/maps/api/staticmap?",
parameters);
}
public static string MakeMapUrl (GeoPoint location)
{
const int Width = 65;
const int Height = 42;
var parameters = new Dictionary<string, string> {
{ "key", ApiKey },
{ "zoom", "13" },
{ "sensor", "true" },
{ "size", Width.ToPixels () + "x" + Height.ToPixels () },
{ "center", location.Lat + "," + location.Lon },
{ "markers", "size:tiny|" + location.Lat + "," + location.Lon }
};
return BuildUrl ("https://maps.googleapis.com/maps/api/staticmap?",
parameters);
}
async void HandleMessage (IMessageEvent message)
{
try {
Android.Util.Log.Info ("WearIntegration", "Received Message");
var client = new GoogleApiClientBuilder (this)
.AddApi (WearableClass.Api)
.AddApi (LocationServices.Api)
.Build ();
var result = client.BlockingConnect (30, Java.Util.Concurrent.TimeUnit.Seconds);
if (!result.IsSuccess)
return;
try {
var lastLocation = LocationServices.FusedLocationApi.GetLastLocation (client);
if (lastLocation == null)
return;
var stations = Hubway.Instance.LastStations;
if (stations == null)
stations = await Hubway.Instance.GetStations ();
var currentPoint = new GeoPoint {
Lat = lastLocation.Latitude,
Lon = lastLocation.Longitude
};
var nearestStations = Hubway.GetStationsAround (stations, currentPoint);
using (var stream = new System.IO.MemoryStream ()) {
GeoUtils.DumpLocation (currentPoint, stream);
StationUtils.DumpStations (nearestStations, stream);
var bytes = stream.ToArray ();
WearableClass.MessageApi.SendMessage (client,
message.SourceNodeId,
SearchStationPath + "/Answer",
bytes).Await ();
}
} finally {
client.Disconnect ();
}
} catch (Exception e) {
Android.Util.Log.Error ("WearIntegration", e.ToString ());
}
}
async void HandleMessage (IMessageEvent message)
{
try {
Android.Util.Log.Info ("WearIntegration", "Received Message");
var client = new GoogleApiClientBuilder (this)
.AddApi (LocationServices.API)
.AddApi (WearableClass.API)
.Build ();
var result = client.BlockingConnect (30, Java.Util.Concurrent.TimeUnit.Seconds);
if (!result.IsSuccess)
return;
var path = message.Path;
try {
var stations = Hubway.Instance.LastStations;
if (stations == null)
stations = await Hubway.Instance.GetStations ();
if (path.StartsWith (SearchStationPath)) {
var lastLocation = LocationServices.FusedLocationApi.GetLastLocation (client);
if (lastLocation == null)
return;
var currentPoint = new GeoPoint {
Lat = lastLocation.Latitude,
Lon = lastLocation.Longitude
};
var nearestStations = Hubway.GetStationsAround (stations, currentPoint, maxItems: 6, minDistance: double.MaxValue);
var favManager = FavoriteManager.Obtain (this);
var favorites = await favManager.GetFavoriteStationIdsAsync ();
var request = PutDataMapRequest.Create (SearchStationPath + "/Answer");
var map = request.DataMap;
var stationMap = new List<DataMap> ();
foreach (var station in nearestStations) {
var itemMap = new DataMap ();
itemMap.PutInt ("Id", station.Id);
var asset = await CreateWearAssetFrom (station);
itemMap.PutAsset ("Background", asset);
string secondary;
string primary = StationUtils.CutStationName (station.Name, out secondary);
itemMap.PutString ("Primary", primary);
itemMap.PutString ("Secondary", secondary);
var distance = GeoUtils.Distance (currentPoint, station.Location);
itemMap.PutDouble ("Distance", distance);
itemMap.PutDouble ("Lat", station.Location.Lat);
itemMap.PutDouble ("Lon", station.Location.Lon);
itemMap.PutInt ("Bikes", station.BikeCount);
itemMap.PutInt ("Racks", station.EmptySlotCount);
itemMap.PutBoolean ("IsFavorite", favorites.Contains (station.Id));
stationMap.Add (itemMap);
}
map.PutDataMapArrayList ("Stations", stationMap);
map.PutLong ("UpdatedAt", DateTime.UtcNow.Ticks);
await WearableClass.DataApi.PutDataItem (client, request.AsPutDataRequest ());
} else {
var uri = new Uri ("wear://watch" + path);
var query = uri.GetComponents (UriComponents.Query, UriFormat.Unescaped);
var parts = uri.GetComponents (UriComponents.Path, UriFormat.Unescaped).Split ('/');
var action = parts[parts.Length - 2];
var id = int.Parse (parts.Last ());
if (action == FavoriteAction) {
var favorites = FavoriteManager.Obtain (this);
handler.Post (() => {
if (query == "add")
favorites.AddToFavorite (id);
else
favorites.RemoveFromFavorite (id);
});
}
}
} finally {
client.Disconnect ();
}
} catch (Exception e) {
Android.Util.Log.Error ("WearIntegration", e.ToString ());
AnalyticsHelper.LogException ("WearIntegration", e);
}
}
async void HandleMessage(IMessageEvent message)
{
try {
Android.Util.Log.Info("WearIntegration", "Received Message");
var client = new GoogleApiClientBuilder(this)
.AddApi(LocationServices.API)
.AddApi(WearableClass.API)
.Build();
var result = client.BlockingConnect(30, Java.Util.Concurrent.TimeUnit.Seconds);
if (!result.IsSuccess)
{
return;
}
var path = message.Path;
try {
var stations = Hubway.Instance.LastStations;
if (stations == null)
{
stations = await Hubway.Instance.GetStations();
}
if (path.StartsWith(SearchStationPath))
{
var lastLocation = LocationServices.FusedLocationApi.GetLastLocation(client);
if (lastLocation == null)
{
return;
}
var currentPoint = new GeoPoint {
Lat = lastLocation.Latitude,
Lon = lastLocation.Longitude
};
var nearestStations = Hubway.GetStationsAround(stations, currentPoint, maxItems: 6, minDistance: double.MaxValue);
var favManager = FavoriteManager.Obtain(this);
var favorites = await favManager.GetFavoriteStationIdsAsync();
var request = PutDataMapRequest.Create(SearchStationPath + "/Answer");
var map = request.DataMap;
var stationMap = new List <DataMap> ();
foreach (var station in nearestStations)
{
var itemMap = new DataMap();
itemMap.PutInt("Id", station.Id);
var asset = await CreateWearAssetFrom(station);
itemMap.PutAsset("Background", asset);
string secondary;
string primary = StationUtils.CutStationName(station.Name, out secondary);
itemMap.PutString("Primary", primary);
itemMap.PutString("Secondary", secondary);
var distance = GeoUtils.Distance(currentPoint, station.Location);
itemMap.PutDouble("Distance", distance);
itemMap.PutDouble("Lat", station.Location.Lat);
itemMap.PutDouble("Lon", station.Location.Lon);
itemMap.PutInt("Bikes", station.BikeCount);
itemMap.PutInt("Racks", station.EmptySlotCount);
itemMap.PutBoolean("IsFavorite", favorites.Contains(station.Id));
stationMap.Add(itemMap);
}
map.PutDataMapArrayList("Stations", stationMap);
map.PutLong("UpdatedAt", DateTime.UtcNow.Ticks);
WearableClass.DataApi.PutDataItem(client, request.AsPutDataRequest());
}
else
{
var uri = new Uri("wear://watch" + path);
var query = uri.GetComponents(UriComponents.Query, UriFormat.Unescaped);
var parts = uri.GetComponents(UriComponents.Path, UriFormat.Unescaped).Split('/');
var action = parts[parts.Length - 2];
var id = int.Parse(parts.Last());
if (action == FavoriteAction)
{
var favorites = FavoriteManager.Obtain(this);
handler.Post(() => {
if (query == "add")
{
favorites.AddToFavorite(id);
}
else
{
favorites.RemoveFromFavorite(id);
}
});
}
}
} finally {
client.Disconnect();
}
} catch (Exception e) {
Android.Util.Log.Error("WearIntegration", e.ToString());
AnalyticsHelper.LogException("WearIntegration", e);
}
}