private async void TrackLocationClick(object sender, RoutedEventArgs e)
{
MessageDialog messageDialog = new MessageDialog("启动tracking");
await messageDialog.ShowAsync();
trackingGeolocator = new AMapGeolocator();
trackingGeolocator.PositionChanged += aMapGeolocator_PositionChanged;
//模拟器不能获取经纬度
var currentLocation = await trackingGeolocator.GetLngLatAsync();
if (trackingIcon == null)
{
trackingIcon = new AMapIcon
{
Image =
RandomAccessStreamReference.CreateFromUri(new Uri("ms-appx:///Assets/marker_gps_no_sharing.png",
UriKind.RelativeOrAbsolute)),
Location = currentLocation,
NormalizedAnchorPoint = new Point(0.5, 0.5)
};
}
if (amapcircle == null)
{
amapcircle = new AMapCircle
{
FillColor = Color.FromArgb(80, 100, 150, 255),
StrokeThickness = 2,
StrokeColor = Color.FromArgb(80, 0, 0, 255),
Center = currentLocation,
Radius = 500
};
}
bool circleContained = baseLayer.OverLays.Contains(amapcircle);
bool trackingIconContained = baseLayer.OverLays.Contains(trackingIcon);
if (!trackingIconContained)
{
baseLayer.Add(trackingIcon);
}
if (!circleContained)
{
baseLayer.Add(amapcircle);
}
aMapControl.TrySetViewAsync(currentLocation, 15, null, null, AMapAnimationKind.Default);
trackingGeolocator.Start();
}
/// <summary>
/// 注意：要开启定位权限
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void LocateClick(object sender, RoutedEventArgs e)
{
var aMapGeolocator = new AMapGeolocator();
LngLat myLngLat = await aMapGeolocator.GetLngLatAsync();
var icon = new AMapIcon {
Location = myLngLat
};
baseLayer.Add(icon);
await aMapControl.TrySetViewAsync(myLngLat, 15, 0, 0, AMapAnimationKind.Default);
}