public async void DeletePOIAsync()
{
POIService service = new POIService();
if (!service.isConnected(activity))
{
Toast toast = Toast.MakeText(activity, "Not conntected to the internet. Please, check your device network settings.", ToastLength.Short);
toast.Show();
return;
}
string response = await service.DeletePOIAsync(_poi.Id);
if (!string.IsNullOrEmpty(response))
{
Toast toast = Toast.MakeText(activity, String.Format("{0} deleted.", _poi.Name), ToastLength.Short);
toast.Show();
DBManager.Instance.DeletePOI(_poi.Id);
if (!POIListActivity.isDualMode)
{
activity.Finish();
}
}
else
{
Toast toast = Toast.MakeText(activity, "Something went wrong!", ToastLength.Short);
toast.Show();
}
}
public async void DownloadPoisListAsync()
{
POIService service = new POIService();
if (!service.isConnected(activity))
{
Toast toast = Toast.MakeText(activity, "Not conntected to the internet. Please, check your device network settings.", ToastLength.Short);
toast.Show();
poiListData = DBManager.Instance.GetPOIListFromCache();
}
else
{
progressBar.Visibility = ViewStates.Visible;
poiListData = await service.GetPOIListAsync();
// Clear cached data
DBManager.Instance.ClearPOICache();
// Save updated POI data
DBManager.Instance.InsertAll(poiListData);
progressBar.Visibility = ViewStates.Gone;
}
poiListAdapter = new POIListViewAdapter(activity, poiListData);
this.ListAdapter = poiListAdapter;
ListView.Post(() => {
ListView.SetSelection(scrollPosition);
});
}
private async void CreateOrUpdatePOIAsync(PointOfInterest poi)
{
POIService service = new POIService();
if (!service.isConnected(activity))
{
Toast toast = Toast.MakeText(activity, "Not connected to the internet. Please, check your device network settings.", ToastLength.Short);
toast.Show();
return;
}
Bitmap bitmap = null;
if (_poi.Id > 0)
{
bitmap = POIService.GetImage(_poi.Id);
}
string response = null;
if (bitmap != null)
{
response = await service.CreateOrUpdatePOIAsync(_poi, bitmap);
}
else
{
response = await service.CreateOrUpdatePOIAsync(_poi);
}
if (!string.IsNullOrEmpty(response))
{
Toast toast = Toast.MakeText(activity, String.Format("{0} saved.", _poi.Name), ToastLength.Short);
toast.Show();
DBManager.Instance.SavePOI(poi);
if (!POIListActivity.isDualMode)
{
activity.Finish();
}
}
else
{
Toast toast = Toast.MakeText(activity, "Something went wrong!", ToastLength.Short);
toast.Show();
}
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
}