protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Check connectivity
isConnected = Utils.CheckConnectivity(this);
stopListView = FindViewById <ListView>(Resource.Id.stopsListView);
stopListView.ItemClick += StopListView_ItemClick;
stopListView.SetMultiChoiceModeListener(new StopListMultChoiceHandler(this));
// Get stops from DB
db.CreateAllTables();
// Set fragment that stores and updates stops
departuresFragment = (DeparturesFragment)FragmentManager.FindFragmentByTag(TAG_TASK_FRAGMENT);
if (Utils.CheckConnectivity(this))
{
// Activity first start, fragment not created
if (departuresFragment == null)
{
departuresFragment = new DeparturesFragment();
departuresFragment.TimeTableUpdated += Timetable_Updated;
FragmentManager.BeginTransaction().Add(departuresFragment, TAG_TASK_FRAGMENT).Commit();
requestTimetableUpdate();
}
// Fragment exists, but has no data - case when activity has been in background
else if (departuresFragment != null && departuresFragment.Stops == null)
{
departuresFragment.TimeTableUpdated += Timetable_Updated;
requestTimetableUpdate();
}
// Fragment exists with data - case when screen is rotated
else
{
adapter = new StopListAdapter(this, departuresFragment.Stops);
stopListView.Adapter = adapter;
}
}
else
{
Toast.MakeText(this, Resources.GetString(Resource.String.no_connection), ToastLength.Long).Show();
}
}
// Menu actions
public override bool OnOptionsItemSelected(IMenuItem item)
{
int id = item.ItemId;
switch (item.ItemId)
{
// Add line
case Resource.Id.action_add_line:
Intent intent = new Intent(this, typeof(AddLineActivity));
StartActivityForResult(intent, REQUEST_DATABASE_UPDATE);
break;
// Refresh timetable
case Resource.Id.action_refresh:
if (Utils.CheckConnectivity(this))
{
if (departuresFragment != null)
{
requestTimetableUpdate();
}
else
{
departuresFragment = new DeparturesFragment();
departuresFragment.TimeTableUpdated += Timetable_Updated;
FragmentManager.BeginTransaction().Add(departuresFragment, TAG_TASK_FRAGMENT).Commit();
requestTimetableUpdate();
}
}
else
{
Toast.MakeText(this, Resources.GetString(Resource.String.no_connection), ToastLength.Long).Show();
}
break;
default:
break;
}
return(base.OnOptionsItemSelected(item));
}
