public override bool OnOptionsItemSelected(IMenuItem item)
{
switch (item.ItemId)
{
case Resource.Id.menuSignout:
AppPreferenceUser.RemoveUser();
AuthenticateUser();
break;
case Resource.Id.menuRefresh:
var ignoreTask = OnOptionsItemSelectedAsync(item);
break;
}
return(base.OnOptionsItemSelected(item));
}
protected override async void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
SetContentView(Resource.Layout.activity_main);
_restService = new RestService();
// Sign in
// Check is signed in
User user = AuthenticateUser();
if (user == null)
{
Finish();
return;
}
// Send token after user logged in
if (await _restService.Authenticate(user, false) != null)
{
_restService.User = user;
await _restService.RegisterFirebaseToken(Preferences.Get(Constants.FirebaseTokenPreferenceTag, null));
}
else
{
AppPreferenceUser.RemoveUser();
AuthenticateUser();
Finish();
return;
}
// Navigation drawer
DrawerLayout drawerLayout = FindViewById <DrawerLayout>(Resource.Id.drawerLayout);
var navigationView = FindViewById <NavigationView>(Resource.Id.navigationView);
// Toolbar
var toolbar = FindViewById <Android.Widget.Toolbar>(Resource.Id.toolbar);
SetActionBar(toolbar);
//ActionBar.Title = Resources.GetString(Resource.String.app_name);
ActionBar.Title = GetString(Resource.String.all_products);
ActionBar.SetHomeButtonEnabled(true);
ActionBar.SetDisplayHomeAsUpEnabled(true);
ActionBar.SetHomeAsUpIndicator(GetDrawable(Resource.Drawable.baseline_menu_white_18dp));
toolbar.NavigationOnClick += (s, e) =>
{
drawerLayout.OpenDrawer(Android.Support.V4.View.GravityCompat.Start);
};
// drawer
var drawer = FindViewById <DrawerLayout>(Resource.Id.drawerLayout);
// Fab
var fab = FindViewById <FloatingActionButton>(Resource.Id.fabAdd);
fab.Click += (sender, e) =>
{
var transaction = FragmentManager.BeginTransaction();
var dialogFragment = new AddDialogFragment();
dialogFragment.onAddButtonClicked += OnAddButtonClickedHandler;
dialogFragment.Show(transaction, "add_dialog_fragment");
};
// Product list
List <Product> products = new List <Product>();
products.AddRange(await _restService.Get());
// Setting up RecyclerView
var productRecyclerView = FindViewById <RecyclerView>(Resource.Id.recyclerViewProducts);
productRecyclerView.SetLayoutManager(new GridLayoutManager(this, 2));
productAdapter = new ProductAdapter(products, this);
productRecyclerView.SetAdapter(productAdapter);
// Handling itemClick event
productAdapter.ItemClick += OnItemClickHandler;
//Filter list on Navigation drawer
var filterListView = FindViewById <ListView>(Resource.Id.filterListView);
var websites = new List <string> {
GetString(Resource.String.all_products)
};
websites.AddRange(productAdapter.GetWebsites());
ArrayAdapter filterListAdapter = new ArrayAdapter(this, Android.Resource.Layout.SimpleListItemActivated1, websites);
filterListView.Adapter = filterListAdapter;
filterListView.ItemClick += FilterListView_ItemClick;
filterListView.ItemClick += (s, e) => drawerLayout.CloseDrawer(Android.Support.V4.View.GravityCompat.Start);
filterListView.ChoiceMode = ChoiceMode.Single;
filterListView.SetItemChecked(0, true);
productAdapter.OnListChanged += (s, e) =>
{
filterListAdapter.Clear();
var websites = new List <string> {
GetString(Resource.String.all_products)
};
websites.AddRange(productAdapter.GetWebsites());
filterListAdapter.AddAll(websites);
filterListAdapter.NotifyDataSetChanged();
};
// Firebase messaging
IsPlayServicesAvailable();
CreateNotificationChannel();
}