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 NearbySearch_OnClick(object sender, RoutedEventArgs e)
{
baselayer.Clear();
aMapControl.HideInfoWindow();
LngLat currentLocation = await(new AMapGeolocator()).GetLngLatAsync();
double centerX = currentLocation.Longitude;
double centerY = currentLocation.Latitude;
string keywords = "肯德基";
string types = "快餐厅";
uint radius = 500;
string city = "北京";
AMapPOIResults result = await AMapPOISearch.POIAround(centerX, centerY, keywords, types, null, radius, 0, 20, 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);
}
aMapControl.TrySetViewAsync(currentLocation, 13, 0, 0, AMapAnimationKind.Default);
}
else
{
Debug.WriteLine(result.Erro.Message);
}
}
private async void IdSearch_OnClick(object sender, RoutedEventArgs e)
{
baselayer.Clear();
aMapControl.HideInfoWindow();
string id = "B000A07060";
AMapPOIResults results = await AMapPOISearch.POIID(id);
if (results.Erro == null)
{
if (results.POIList == null || results.POIList.Count == 0)
{
Debug.WriteLine("无查询结果");
return;
}
foreach (AMapPOI item in results.POIList)
{
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);
}
aMapControl.TrySetViewAsync(
new LngLat(results.POIList[0].Location.Lon, results.POIList[0].Location.Lat), null, null, null,
AMapAnimationKind.Default);
}
else
{
Debug.WriteLine(results.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);
}
}
