private void UpdateElevationDataSize()
{
var totalFileSize = ElevationFileProvider.GetTotalElevationFileSize() / 1024f / 1024f;
var totalFileSizeAsText = $"{totalFileSize:F1}";
_textViewElevationDataSize.Text = String.Format(Resources.GetText(Resource.String.Settings_ElevationDataSize), totalFileSizeAsText);;
}
public bool Exists()
{
if (!_fileExists.HasValue)
{
_fileExists = ElevationFileProvider.ElevationFileExists((int)StartLocation.Latitude, (int)StartLocation.Longitude);
}
return(_fileExists.Value);
}
private void ClearElevationData()
{
AlertDialog.Builder alert = new AlertDialog.Builder(this).SetCancelable(false);
alert.SetPositiveButton(Resources.GetText(Resource.String.Common_Yes), (senderAlert, args) =>
{
ElevationFileProvider.ClearElevationData();
AppContextLiveData.Instance.Database.DeleteAllDownloadedElevationData();
UpdateElevationDataSize();
});
alert.SetNegativeButton(Resources.GetText(Resource.String.Common_No), (senderAlert, args) => { });
alert.SetMessage(Resources.GetText(Resource.String.Settings_RemoveElevationDataQuestion));
var answer = alert.Show();
}
public bool Remove()
{
try
{
ElevationFileProvider.Remove((int)StartLocation.Latitude, (int)StartLocation.Longitude);
return(true);
}
catch (Exception ex)
{
ErrorMessage = $"File delete error ({ex.Message})";
return(false);
}
}
public bool Download()
{
try
{
ElevationFileProvider.GetElevationFile((int)StartLocation.Latitude, (int)StartLocation.Longitude);
return(true);
}
catch (Exception ex)
{
ErrorMessage = $"Download error ({ex.Message})";
return(false);
}
}
public bool LoadFromZip()
{
try
{
if (_elevationData == null)
{
if (ElevationFileProvider.ElevationFileExists((int)StartLocation.Latitude, (int)StartLocation.Longitude))
{
var inputFileName = ElevationFileProvider.GetElevationFile((int)StartLocation.Latitude, (int)StartLocation.Longitude);
LoadFromZip(inputFileName);
return(true);
}
}
return(false);
}
catch (Exception ex)
{
ErrorMessage = $"Load error ({ex.Message})";
return(false);
}
}
public long GetEelevationFileSize()
{
return(ElevationFileProvider.GetElevationFileSize((int)StartLocation.Latitude, (int)StartLocation.Longitude));
}
public float GetSizeToDownload()
{
return(_elevationTiles.Count(i => !i.Exists()) * ElevationFileProvider.GetFileSize());
}