public static async Task <string> GetCity()
{
var accessStatus = await Geolocator.RequestAccessAsync();
BasicGeoposition baspos = new BasicGeoposition();
switch (accessStatus)
{
case GeolocationAccessStatus.Allowed:
{
Geolocator geolocator = new Geolocator {
DesiredAccuracyInMeters = 0
};
Geoposition pos = await geolocator.GetGeopositionAsync();
Geopoint myLocation = pos.Coordinate.Point;
baspos = myLocation.Position;
baspos = PositionTransform.Transfrom(baspos);
const string MovieSearch_Api = "http://restapi.amap.com/v3/geocode/regeo?key=a3a90de8b27f31e0054c34e61e0e3d9f&location={0}&extensions=base ";
HttpClient httpclient = new HttpClient();
HttpResponseMessage response = new HttpResponseMessage();
string result = null;
string Location = Convert.ToString(baspos.Longitude) + "," + Convert.ToString(baspos.Latitude);
string Api = MovieSearch_Api.Replace("{0}", Location);
response = await httpclient.GetAsync(Api);
result = await response.Content.ReadAsStringAsync();
return(result);
}
case GeolocationAccessStatus.Denied:
{
var dialog = new MessageDialog("已拒绝程序对位置的访问权,请至设置-隐私-位置中打开本程序的位置访问权限", "异常提示");
dialog.Commands.Add(new UICommand("确定", cmd => { }));
var a = await dialog.ShowAsync();
bool result = await Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-location"));
return("0");
}
case GeolocationAccessStatus.Unspecified:
{
var dialog = new MessageDialog("未指明程序对位置的访问权,请至设置-隐私-位置中打开本程序的位置访问权限", "异常提示");
dialog.Commands.Add(new UICommand("确定", cmd => { }));
var a = await dialog.ShowAsync();
bool result = await Launcher.LaunchUriAsync(new Uri("ms-settings:privacy-location"));
return("1");
}
}
return("2");
}
public static async Task <string> GetPositionSearchRequest(string Location, double SerchRange)
{
const string MovieSearch_Api = "http://restapi.amap.com/v3/place/around?key=a3a90de8b27f31e0054c34e61e0e3d9f&location={0}&keywords=电影院&radius={1} ";
HttpClient httpclient = new HttpClient();
HttpResponseMessage response = new HttpResponseMessage();
string result = null;
string Api = MovieSearch_Api.Replace("{0}", Location);
Api = Api.Replace("{1}", SerchRange.ToString());
response = await httpclient.GetAsync(Api);
result = await response.Content.ReadAsStringAsync();
return(result);
}
