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 void ToGuangzhouRegion(object sender, RoutedEventArgs e)
{
const double interval = 1;
var guangzhouRegion = new LngLatBoundingBox(new LngLat(guangzhou.Longitude - interval, guangzhou.Latitude - interval), new LngLat(guangzhou.Longitude + interval, guangzhou.Latitude + interval));
aMapControl.TrySetViewBoundsAsync(guangzhouRegion, AMapAnimationKind.Default);
}
private void GroundOverlay_OnClick(object sender, RoutedEventArgs e)
{
aMapControl.TrySetViewBoundsAsync(
new LngLatBoundingBox(new LngLat(116.384377, 39.935029), new LngLat(116.388331, 39.939577)),
AMapAnimationKind.Default);
aMapGroundOverlay = new AMapGroundOverlay
{
Bound = new LngLatBoundingBox(new LngLat(116.384377, 39.935029), new LngLat(116.388331, 39.939577)),
Image = RandomAccessStreamReference.CreateFromUri(new Uri(
"ms-appx:///Assets/2.png", UriKind.RelativeOrAbsolute))
};
baseLayer.Add(aMapGroundOverlay);
}
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;
}
}