private async void KeywordSearch_OnClick(object sender, RoutedEventArgs e)
{
baselayer.Clear();
aMapControl.HideInfoWindow();
bool groupbuy = false;
bool discount = false;
string keywords = "肯德基";
string types = "快餐厅";
string city = "北京";
AMapFilterOption aMapFilterOption = new AMapFilterOption {
Groupbuy = groupbuy, Discount = discount
};
AMapPOIResults results = await AMapPOISearch.POIKeyWords(keywords, types, aMapFilterOption, 0, 20, 1, Extensions.All, city);
if (results.Erro == null)
{
if (results.POIList == null || results.POIList.Count == 0)
{
Debug.WriteLine("无查询结果");
return;
}
IEnumerable <AMapPOI> pois = results.POIList;
List <LngLat> lngLats = new List <LngLat>();
foreach (AMapPOI item in pois)
{
lngLats.Add(new LngLat(item.Location.Lon, item.Location.Lat));
var icon = new AMapIcon {
Location = new LngLat(item.Location.Lon, item.Location.Lat)
};
icon.Tapped += icon_Tapped;
icon.Data = item.Address;
await baselayer.Add(icon);
}
LngLatBoundingBoxBuilder builder = new LngLatBoundingBoxBuilder(lngLats);
aMapControl.TrySetViewBoundsAsync(builder.Build(), AMapAnimationKind.Default);
}
else
{
Debug.WriteLine(results.Erro.Message);
}
}
private async void BusStopSearch_OnClick(object sender, RoutedEventArgs e)
{
baseLayer.Clear();
var bus = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/bus.png",
UriKind.RelativeOrAbsolute));
string keywords = "北里";
uint offset = 20;
uint page = 1;
string city = "北京";
AMapBusStopResults busStoprs = await AMapBusSearch.BusStopKeyWords(keywords, offset, page, city);
if (busStoprs.Erro == null)
{
if (busStoprs.BusStopList.Count == 0 || busStoprs.BusStopList == null)
{
Debug.WriteLine("无查询结果");
return;
}
var busStops = busStoprs.BusStopList;
List <LngLat> latLngs = new List <LngLat>();
foreach (AMapBusStop bs in busStops)
{
Debug.WriteLine(bs.Id);
Debug.WriteLine(bs.Name);
Debug.WriteLine(bs.Location.Lat);
Debug.WriteLine(bs.Location.Lon);
latLngs.Add(new LngLat(bs.Location.Lon, bs.Location.Lat));
}
//绘制公交站
foreach (LngLat latlng in latLngs)
{
var icon = new AMapIcon {
Location = latlng, Image = bus
};
await baseLayer.Add(icon);
}
LngLatBoundingBoxBuilder builder = new LngLatBoundingBoxBuilder(latLngs);
aMapControl.TrySetViewBoundsAsync(builder.Build(), AMapAnimationKind.Default);
}
else
{
Debug.WriteLine(busStoprs.Erro.Message);
}
}
private async Task AddressToGeoCode(string address)
{
var azure = RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/AZURE.png"));
AMapGeoCodeResults result = await AMapGeoCodeSearch.AddressToGeoCode(address);
if (result.Erro == null)
{
if (result.GeoCodeList == null || !result.GeoCodeList.Any())
{
Debug.WriteLine("无查询结果");
return;
}
IEnumerable <AMapGeoCode> geocode = result.GeoCodeList;
int i = 0;
IList <AMapGeoCode> aMapGeoCodes = geocode as IList <AMapGeoCode> ?? geocode.ToList();
foreach (AMapGeoCode gcs in aMapGeoCodes)
{
i++;
Debug.WriteLine(gcs.Adcode);
Debug.WriteLine(gcs.Building);
Debug.WriteLine(gcs.City);
Debug.WriteLine(gcs.District);
Debug.WriteLine(gcs.FormattedAddress);
Debug.WriteLine(gcs.Province);
//todo township
//Debug.WriteLine(gcs.Township);
Debug.WriteLine(gcs.Location.Lon);
Debug.WriteLine(gcs.Location.Lat);
Debug.WriteLine(gcs.LevelList[0]);
var icon = new AMapIcon
{
Location = new LngLat(gcs.Location.Lon, gcs.Location.Lat),
Data = new
{
A = gcs.FormattedAddress,
B = gcs.District
},
Image = azure
};
await baseLayer.Add(icon);
}
//如果返回的geocode数大于1个，调整视图
if (aMapGeoCodes.Count() > 1)
{
var builder = new LngLatBoundingBoxBuilder();
foreach (IAMapOverLay overlay in baseLayer.OverLays)
{
if (overlay as AMapIcon != null)
{
builder.Include((overlay as AMapIcon).Location);
}
}
aMapControl.TrySetViewBoundsAsync(builder.Build(), AMapAnimationKind.Default);
}
else
{
aMapControl.TrySetViewAsync(new LngLat(aMapGeoCodes.FirstOrDefault().Location.Lon,
aMapGeoCodes.FirstOrDefault().Location.Lat), null, null, null, AMapAnimationKind.Default);
}
Debug.WriteLine(i);
}
else
{
addressOutputTextblock.Text = result.Erro.Message;
}
}
private async void PolygonSearch_OnClick(object sender, RoutedEventArgs e)
{
baselayer.Clear();
aMapControl.HideInfoWindow();
string keywords = "肯德基";
string types = "快餐厅";
uint offset = 50;
string city = "北京";
var lngLats = new List <LngLat>
{
new LngLat(aMapControl.Center.Longitude + 0.03, aMapControl.Center.Latitude + 0.02),
new LngLat(aMapControl.Center.Longitude - 0.03, aMapControl.Center.Latitude + 0.03),
new LngLat(aMapControl.Center.Longitude - 0.03, aMapControl.Center.Latitude - 0.026),
new LngLat(aMapControl.Center.Longitude + 0.035, aMapControl.Center.Latitude - 0.04),
new LngLat(aMapControl.Center.Longitude + 0.045, aMapControl.Center.Latitude - 0.046)
};
var polygon = new AMapPolygon
{
FillColor = Color.FromArgb(30, 255, 0, 255),
Path = new AGeopath(lngLats),
StrokeColor = Color.FromArgb(255, 102, 136, 255),
StrokeThickness = 2
};
await baselayer.Add(polygon);
SearchPolygon searchpolygon = new SearchPolygon();
icons = new List <AMapIcon>();
//多边形
searchpolygon.Points = new List <AMapLocation>
{
new AMapLocation()
{
Lon = lngLats[0].Longitude, Lat = lngLats[0].Latitude
},
new AMapLocation()
{
Lon = lngLats[1].Longitude, Lat = lngLats[1].Latitude
},
new AMapLocation()
{
Lon = lngLats[2].Longitude, Lat = lngLats[2].Latitude
},
new AMapLocation()
{
Lon = lngLats[3].Longitude, Lat = lngLats[3].Latitude
},
new AMapLocation()
{
Lon = lngLats[4].Longitude, Lat = lngLats[4].Latitude
}
};
AMapPOIResults result = await AMapPOISearch.POIPolygon(keywords, types, searchpolygon, null, 0, offset, 1, Extensions.All, city);
if (result.Erro == null)
{
if (result.POIList == null || result.POIList.Count == 0)
{
Debug.WriteLine("无查询结果");
return;
}
IEnumerable <AMapPOI> pois = result.POIList;
foreach (AMapPOI item in pois)
{
var icon = new AMapIcon {
Location = new LngLat(item.Location.Lon, item.Location.Lat)
};
icon.Tapped += icon_Tapped;
icon.Data = item.Address;
await baselayer.Add(icon);;
}
LngLatBoundingBoxBuilder builder = new LngLatBoundingBoxBuilder(lngLats);
aMapControl.TrySetViewBoundsAsync(builder.Build(), AMapAnimationKind.Default);
}
else
{
Debug.WriteLine(result.Erro.Message);
}
}
