public void CheckAndReloadElevationProfile(Context appContext, int maxDistance, IAppContext context)
{
if (context.Settings.ShowElevationProfile)
{
if (GpsUtils.HasAltitude(context.MyLocation))
{
if (_elevationProfileBeingGenerated == false)
{
if (context.ElevationProfileData == null || !context.ElevationProfileData.IsValid(context.MyLocation, context.Settings.MaxDistance))
{
GenerateElevationProfile(appContext, maxDistance, context.MyLocation);
}
else
{
RefreshElevationProfile(context.ElevationProfileData);
}
}
}
}
}
private void GenerateElevationProfile(Context appContext, int maxDistance, GpsLocation myLocation)
{
try
{
if (!GpsUtils.HasAltitude(myLocation))
{
PopupHelper.ErrorDialog(appContext, Resource.String.Main_ErrorUnknownAltitude);
return;
}
_elevationProfileBeingGenerated = true;
var ec = new ElevationCalculation(myLocation, maxDistance);
var size = ec.GetSizeToDownload();
if (size == 0)
{
StartDownloadAndCalculate(appContext, ec);
return;
}
using (var builder = new AlertDialog.Builder(appContext))
{
builder.SetCancelable(false);
builder.SetTitle(appContext.Resources.GetText(Resource.String.Common_Question));
builder.SetMessage(String.Format(appContext.Resources.GetText(Resource.String.Download_Confirmation), size));
builder.SetIcon(Android.Resource.Drawable.IcMenuHelp);
builder.SetPositiveButton(appContext.Resources.GetText(Resource.String.Common_Yes), (senderAlert, args) => { StartDownloadAndCalculateAsync(appContext, ec); });
builder.SetNegativeButton(appContext.Resources.GetText(Resource.String.Common_No), (senderAlert, args) => { _elevationProfileBeingGenerated = false; });
var myCustomDialog = builder.Create();
myCustomDialog.Show();
}
}
catch (Exception ex)
{
PopupHelper.ErrorDialog(appContext, Resource.String.Main_ErrorGeneratingElevationProfile, ex.Message);
}
}