private void MakeOverlay(string keyword)
{
var points = new PointsKeywords(GetPoints(keyword), keyword);
if (points.points.Count != 0)
{
if (mOverlays.Count < MAX_CHECKBOXES)
{
MakeCheckBox(points.keyword);
HeatmapTileProvider provider = new HeatmapTileProvider.Builder().Data(points.points).Gradient(MakeGradiant(HEATMAP_COLORS[(HeatmapColors)mOverlaysRendered])).Build();
TileOverlay overlay = googleMap.AddTileOverlay(new TileOverlayOptions().InvokeTileProvider(provider));
mOverlays.Add(points.keyword, overlay);
}
mOverlaysRendered++;
if (mOverlaysRendered == mOverlaysInput)
{
ProgressBar progressBar = FindViewById <ProgressBar>(Resource.Id.progress_bar);
progressBar.Visibility = ViewStates.Gone;
}
}
else
{
ProgressBar progressBar = FindViewById <ProgressBar>(Resource.Id.progress_bar);
progressBar.Visibility = ViewStates.Gone;
Toast.MakeText(this, "No results for this query :(", ToastLength.Short).Show();
}
}
public static TileOverlayOptions CreateDemoHeatMap(string jsonCoordinates)
{
var heatmapData = DeserializeLocations(jsonCoordinates);
TileProvider tileProvider = new HeatmapTileProvider.Builder()
.Radius(30)
.Gradient(new HeatmapGradient(ALT_HEATMAP_GRADIENT_COLORS, ALT_HEATMAP_GRADIENT_START_POINTS, 1000))
.Data(heatmapData)
.Build();
return(new TileOverlayOptions()
.FadeIn(true)
.Transparency(0.0f)
.ZIndex(1)
.Visible(true)
.TileProvider(tileProvider));
}
