private void DownloadElevationDataFromInternet(PoisToDownload source)
{
try
{
var ec = new ElevationDataImport(source);
var lastProgressUpdate = System.Environment.TickCount;
var pd = new ProgressDialog(this);
pd.SetMessage(Resources.GetText(Resource.String.Download_LoadingData));
pd.SetCancelable(false);
pd.SetProgressStyle(ProgressDialogStyle.Horizontal);
pd.Show();
ec.OnFinishedAction = (result) =>
{
pd.Hide();
if (result == true)
{
source.DownloadDate = DateTime.Now;
AppContext.Database.InsertItem(source);
PopupHelper.InfoDialog(this, Resource.String.Download_InfoLoadedElevation);
_downloadItemAdapter.NotifyDataSetChanged();
}
};
ec.OnStageChange = (resourceStringId, max) =>
{
MainThread.BeginInvokeOnMainThread(() =>
{
pd.SetMessage(Resources.GetText(resourceStringId));
pd.Max = max;
});
};
ec.OnProgressChange = (progress) =>
{
var tickCount = System.Environment.TickCount;
if (tickCount - lastProgressUpdate > 100)
{
MainThread.BeginInvokeOnMainThread(() => { pd.Progress = progress; });
Thread.Sleep(50);
lastProgressUpdate = tickCount;
}
};
ec.OnError = (message) =>
{
PopupHelper.ErrorDialog(this, Resource.String.Download_ErrorDownloadingElevation, message);
};
ec.Execute(ElevationDataImport.COMMAND_DOWNLOAD);
}
catch (Exception ex)
{
PopupHelper.ErrorDialog(this, Resource.String.Download_ErrorDownloadingElevation, ex.Message);
}
}
private void DeleteElevationDataFromInternet(PoisToDownload source)
{
try
{
var ec = new ElevationDataImport(source);
var pd = new ProgressDialog(this);
pd.SetMessage(Resources.GetText(Resource.String.Download_RemovingData));
pd.SetCancelable(false);
pd.SetProgressStyle(ProgressDialogStyle.Horizontal);
pd.Show();
ec.OnFinishedAction = (result) =>
{
pd.Hide();
if (result == true)
{
source.DownloadDate = null;
AppContext.Database.DeleteItem(source);
PopupHelper.InfoDialog(this, Resource.String.Download_InfoRemovedElevation);
}
};
ec.OnStageChange = (resourceStringId, max) =>
{
MainThread.BeginInvokeOnMainThread(() =>
{
pd.SetMessage(Resources.GetText(resourceStringId));
pd.Max = max;
});
};
ec.OnError = (message) =>
{
PopupHelper.ErrorDialog(this, Resource.String.Download_ErrorDownloadingElevation, message);
};
ec.Execute(ElevationDataImport.COMMAND_REMOVE);
}
catch (Exception ex)
{
PopupHelper.ErrorDialog(this, Resource.String.Download_ErrorDownloadingElevation, ex.Message);
}
}