private void SetRecyclerViewAdapters()
{
try
{
MAdapter = new ArticlesAdapter(Activity, this)
{
ArticlesList = new ObservableCollection <ArticleObject>()
};
LayoutManager = new LinearLayoutManager(Context);
MRecycler.SetLayoutManager(LayoutManager);
MRecycler.HasFixedSize = true;
MRecycler.SetItemViewCacheSize(10);
MRecycler.GetLayoutManager().ItemPrefetchEnabled = true;
var sizeProvider = new FixedPreloadSizeProvider(10, 10);
var preLoader = new RecyclerViewPreloader <ArticleObject>(Activity, MAdapter, sizeProvider, 10);
MRecycler.AddOnScrollListener(preLoader);
MRecycler.SetAdapter(MAdapter);
RecyclerViewOnScrollListener xamarinRecyclerViewOnScrollListener = new RecyclerViewOnScrollListener(LayoutManager);
MainScrollEvent = xamarinRecyclerViewOnScrollListener;
MainScrollEvent.LoadMoreEvent += MainScrollEventOnLoadMoreEvent;
MRecycler.AddOnScrollListener(xamarinRecyclerViewOnScrollListener);
MainScrollEvent.IsLoading = false;
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public override void OnViewCreated(View view, Bundle savedInstanceState)
{
base.OnViewCreated(view, savedInstanceState);
swipeRefreshLayout = view.FindViewById <SwipeRefreshLayout>(Resource.Id.swipeRefreshLayout);
swipeRefreshLayout.SetColorSchemeResources(Resource.Color.primary);
swipeRefreshLayout.SetOnRefreshListener(this);
recyclerView = view.FindViewById <RecyclerView>(Resource.Id.recyclerView);
var manager = new LinearLayoutManager(this.Activity);
recyclerView.SetLayoutManager(manager);
adapter = new ArticlesAdapter();
adapter.SetOnLoadMoreListener(this);
recyclerView.SetAdapter(adapter);
notDataView = this.Activity.LayoutInflater.Inflate(Resource.Layout.empty_view, (ViewGroup)recyclerView.Parent, false);
notDataView.Click += delegate(object sender, EventArgs e)
{
OnRefresh();
};
errorView = this.Activity.LayoutInflater.Inflate(Resource.Layout.error_view, (ViewGroup)recyclerView.Parent, false);
errorView.Click += delegate(object sender, EventArgs e)
{
OnRefresh();
};
recyclerView.Post(async() =>
{
await articlesPresenter.GetClientArticles(position);
});
}
protected async override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
blogApp = Intent.GetStringExtra("blogApp");
blogPresenter = new BlogPresenter(this);
handler = new Handler();
coordinatorLayout = FindViewById <CoordinatorLayout>(Resource.Id.coordinatorLayout);
appBarLayout = FindViewById <AppBarLayout>(Resource.Id.appbar);
linearLayout = FindViewById <LinearLayout>(Resource.Id.linearLayout);
toolbar = FindViewById <Toolbar>(Resource.Id.toolbar);
toolbar.SetNavigationIcon(Resource.Drawable.back_24dp);
SetSupportActionBar(toolbar);
SupportActionBar.SetDisplayHomeAsUpEnabled(true);
toolbar.SetNavigationOnClickListener(this);
StatusBarCompat.SetCollapsingToolbar(this, coordinatorLayout, appBarLayout, linearLayout, toolbar);
imgAvatar = FindViewById <ImageView>(Resource.Id.avatar);
txtTitle = FindViewById <TextView>(Resource.Id.txtTitle);
txtSubTitle = FindViewById <TextView>(Resource.Id.txtSubTitle);
user = await SQLiteUtils.Instance().QueryUser();
swipeRefreshLayout = FindViewById <SwipeRefreshLayout>(Resource.Id.swipeRefreshLayout);
swipeRefreshLayout.SetColorSchemeResources(Resource.Color.primary);
swipeRefreshLayout.SetOnRefreshListener(this);
recyclerView = FindViewById <RecyclerView>(Resource.Id.recyclerView);
var manager = new LinearLayoutManager(this);
recyclerView.SetLayoutManager(manager);
adapter = new ArticlesAdapter();
adapter.SetOnLoadMoreListener(this);
recyclerView.SetAdapter(adapter);
notDataView = this.LayoutInflater.Inflate(Resource.Layout.empty_view, (ViewGroup)recyclerView.Parent, false);
notDataView.Click += delegate(object sender, EventArgs e)
{
OnRefresh();
};
errorView = this.LayoutInflater.Inflate(Resource.Layout.error_view, (ViewGroup)recyclerView.Parent, false);
errorView.Click += delegate(object sender, EventArgs e)
{
OnRefresh();
};
recyclerView.Post(async() =>
{
await blogPresenter.GetClientBlog(blogApp);
OnRefresh();
});
}
//Event Refresh Data Page
private void SwipeRefreshLayoutOnRefresh(object sender, EventArgs e)
{
try
{
ArticlesAdapter.Clear();
Get_Articles_Api();
}
catch (Exception exception)
{
Crashes.TrackError(exception);
}
}
public override void OnViewCreated(View view, Bundle savedInstanceState)
{
base.OnViewCreated(view, savedInstanceState);
swipeRefreshLayout = view.FindViewById <SwipeRefreshLayout>(Resource.Id.swipeRefreshLayout);
swipeRefreshLayout.SetColorSchemeResources(Resource.Color.primary);
swipeRefreshLayout.SetOnRefreshListener(this);
recyclerView = view.FindViewById <RecyclerView>(Resource.Id.recyclerView);
recyclerView.SetLayoutManager(new LinearLayoutManager(this.Activity));
adapter = new ArticlesAdapter();
adapter.OnLoadMoreListener = this;
recyclerView.SetAdapter(adapter);
recyclerView.Post(async() =>
{
await articlesPresenter.GetClientArticles();
});
}
public void Get_Data_local()
{
try
{
if (ArticlesAdapter != null)
{
if (Classes.ListChachedData_Article.Count > 0)
{
ArticlesAdapter.ArticlesList = Classes.ListChachedData_Article;
ArticlesAdapter.BindEnd();
}
}
Get_Articles_Api();
}
catch (Exception e)
{
Crashes.TrackError(e);
}
}
private void DestroyBasic()
{
try
{
MAdView?.Destroy();
MAdapter = null;
SwipeRefreshLayout = null;
MRecycler = null;
EmptyStateLayout = null;
Inflated = null;
MainScrollEvent = null;
BtnFilter = null;
CategoryId = null;
UserId = null;
MAdView = null;
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
private void DestroyBasic()
{
try
{
MAdView?.Destroy();
MAdapter = null !;
SwipeRefreshLayout = null !;
MRecycler = null !;
EmptyStateLayout = null !;
Inflated = null !;
MainScrollEvent = null !;
BtnFilter = null !;
CategoryId = null !;
UserId = null !;
MAdView = null !;
}
catch (Exception e)
{
Methods.DisplayReportResultTrack(e);
}
}
private void ArticlesAdapterOnItemClick(object sender, Articles_AdapterClickEventArgs adapterClickEvents)
{
try
{
var position = adapterClickEvents.Position;
if (position >= 0)
{
var item = ArticlesAdapter.GetItem(position);
if (item != null)
{
var intent = new Intent(this, typeof(HyberdPostViewer_Activity));
intent.PutExtra("Type", "Article");
intent.PutExtra("Id", item.url);
intent.PutExtra("Title", item.title);
StartActivity(intent);
}
}
}
catch (Exception e)
{
Crashes.TrackError(e);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.ArticlesList);
//get all groups from database
//using (var connection = new SQLiteConnection(System.IO.Path.Combine(GlobalVariables.databasePath, "MobileSell.db")))
//{
// var allGroups = connection.Table<Group>();
// groups.AddRange(allGroups);
//}
var allGroups = DatabaseRequest.GetAllFromTable <Group>();
groups.AddRange(allGroups);
//fill in spinner with items
spinner = FindViewById <MaterialSpinner>(Resource.Id.spinner);
adapter = new ArrayAdapter <Group>(this, Android.Resource.Layout.SimpleSpinnerDropDownItem, groups);
adapter.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
spinner.Adapter = adapter;
spinner.Background = Drawable.CreateFromXml(Resources, Resources.GetXml(Resource.Drawable.material_spinner_border));
//on activity start get all articles
allArticles = DatabaseRequest.GetAllFromTable <Article>().Select(x =>
new ArticleViewModel
{
Id = x.Id,
Group = x.Group,
Name = x.Name,
SellPrice = x.SellPrice,
Quantity = x.Quantity
}).ToList();
//create line between recyclerview items
DividerItemDecoration itemDecoration = new DividerItemDecoration(this, DividerItemDecoration.Vertical);
//pass all articles to the RecyclerView
articlesRecyclerView = FindViewById <RecyclerView>(Resource.Id.articlesRecyclerView);
articlesRecyclerView.AddItemDecoration(itemDecoration);
articlesLayoutManager = new LinearLayoutManager(this);
articlesRecyclerView.SetLayoutManager(articlesLayoutManager);
articlesAdapter = new ArticlesAdapter(allArticles);
articlesAdapter.ItemClick += OnItemClick;
articlesRecyclerView.SetAdapter(articlesAdapter);
//get all articles from selected group
spinner.ItemSelected += (s, e) =>
{
if (e.Position != -1)
{
var groupId = groups.ElementAt(e.Position).Id;
//get all articles from group which is currently selected
List <ArticleViewModel> articlesFromGroup = allArticles.Where(x => x.Group == groupId).ToList();
//fill in the RecyclerView with articlesFromGroup;
articlesAdapter = new ArticlesAdapter(articlesFromGroup);
articlesAdapter.ItemClick += OnItemClick;
articlesRecyclerView.SetAdapter(articlesAdapter);
}
else
{
//if no group is selected display all articles on screen
articlesLayoutManager = new LinearLayoutManager(this);
articlesRecyclerView.SetLayoutManager(articlesLayoutManager);
articlesAdapter = new ArticlesAdapter(allArticles);
articlesAdapter.ItemClick += OnItemClick;
articlesRecyclerView.SetAdapter(articlesAdapter);
}
};
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.Inventory);
//get all groups from database
using (var connection = new SQLiteConnection(System.IO.Path.Combine(GlobalVariables.databasePath, "MobileSell.db")))
{
var allGroups = connection.Table <Group>();
groups.AddRange(allGroups);
}
//fill in spinner with items
spinner = FindViewById <MaterialSpinner>(Resource.Id.spinner);
adapter = new ArrayAdapter <Group>(this, Android.Resource.Layout.SimpleSpinnerDropDownItem, groups);
adapter.SetDropDownViewResource(Android.Resource.Layout.SimpleSpinnerDropDownItem);
spinner.Adapter = adapter;
spinner.Background = Drawable.CreateFromXml(Resources, Resources.GetXml(Resource.Drawable.material_spinner_border));
//on activity start get all articles
allArticles = DatabaseRequest.GetAllFromTable <Article>().Select(x =>
new ArticleViewModel
{
Id = x.Id,
Group = x.Group,
Name = x.Name,
SellPrice = x.SellPrice,
Quantity = x.Quantity
}).ToList();
//pass all articles to the RecyclerView
articlesRecyclerView = FindViewById <RecyclerView>(Resource.Id.articlesRecyclerView);
articlesLayoutManager = new LinearLayoutManager(this);
articlesRecyclerView.SetLayoutManager(articlesLayoutManager);
articlesAdapter = new ArticlesAdapter(allArticles);
articlesRecyclerView.SetAdapter(articlesAdapter);
TextView totalValue = FindViewById <TextView>(Resource.Id.totalValue);
//calculate total sum of all articles in RecyclerView and set it to totalValue TextView
decimal totalSumAllArticles = articlesAdapter.listOfArticles.Sum(x => x.Sum);
totalValue.Text = String.Format("{0:0.00}", totalSumAllArticles);
//get all articles from selected group
spinner.ItemSelected += (s, e) =>
{
if (e.Position != -1)
{
var groupId = groups.ElementAt(e.Position).Id;
//get all articles from group which is currently selected
List <ArticleViewModel> articlesFromGroup = allArticles.Where(x => x.Group == groupId).ToList();
//fill in the RecyclerView with articlesFromGroup
//articlesLayoutManager = new LinearLayoutManager(this);
//articlesRecyclerView.SetLayoutManager(articlesLayoutManager);
articlesAdapter = new ArticlesAdapter(articlesFromGroup);
articlesRecyclerView.SetAdapter(articlesAdapter);
//calculate total value of articles
//decimal totalSum = 0;
//foreach(ArticleViewModel article in articlesFromGroup)
//{
// totalSum += article.Sum;
//}
//calculate total sum of all articles in RecyclerView and set it to totalValue TextView
totalSumAllArticles = articlesAdapter.listOfArticles.Sum(x => x.Sum);
totalValue.Text = String.Format("{0:0.00}", totalSumAllArticles);
}
else
{
//if no group is selected display all articles on screen
//articlesLayoutManager = new LinearLayoutManager(this);
//articlesRecyclerView.SetLayoutManager(articlesLayoutManager);
articlesAdapter = new ArticlesAdapter(allArticles);
articlesRecyclerView.SetAdapter(articlesAdapter);
//calculate total sum of all articles in RecyclerView and set it to totalValue TextView
totalSumAllArticles = articlesAdapter.listOfArticles.Sum(x => x.Sum);
totalValue.Text = String.Format("{0:0.00}", totalSumAllArticles);
}
};
Button btnPrint = FindViewById <Button>(Resource.Id.btnPrint);
btnPrint.Click += delegate {
StartActivity(typeof(PrintingActivity));
};
}
//Get Articles API
public async void Get_Articles_Api(string offset = "")
{
try
{
if (!IMethods.CheckConnectivity())
{
RunOnUiThread(() => { swipeRefreshLayout.Refreshing = false; });
Toast.MakeText(this, GetString(Resource.String.Lbl_CheckYourInternetConnection), ToastLength.Short)
.Show();
}
else
{
var(Api_status, Respond) = await Client.Article.Get_Articles("25", offset);
if (Api_status == 200)
{
if (Respond is Get_Users_Articles_Object result)
{
RunOnUiThread(() =>
{
if (result.articles.Length <= 0)
{
if (swipeRefreshLayout != null)
{
swipeRefreshLayout.Refreshing = false;
}
}
else if (result.articles.Length > 0)
{
if (ArticlesAdapter.ArticlesList.Count <= 0)
{
ArticlesAdapter.ArticlesList =
new ObservableCollection <Get_Users_Articles_Object.Article>(
result.articles);
ArticlesAdapter.BindEnd();
}
else
{
//Bring new item
var listnew = result.articles?.Where(c =>
!ArticlesAdapter.ArticlesList.Select(fc => fc.id).Contains(c.id)).ToList();
if (listnew.Count > 0)
{
var lastCountItem = ArticlesAdapter.ItemCount;
//Results differ
Classes.AddRange(ArticlesAdapter.ArticlesList, listnew);
ArticlesAdapter.NotifyItemRangeInserted(lastCountItem, listnew.Count);
}
if (swipeRefreshLayout.Refreshing)
{
swipeRefreshLayout.Refreshing = false;
}
}
}
});
}
}
else if (Api_status == 400)
{
if (Respond is Error_Object error)
{
var errortext = error._errors.Error_text;
//Toast.MakeText(this, errortext, ToastLength.Short).Show();
if (errortext.Contains("Invalid or expired access_token"))
{
API_Request.Logout(this);
}
}
}
else if (Api_status == 404)
{
var error = Respond.ToString();
//Toast.MakeText(this, error, ToastLength.Short).Show();
}
//Show Empty Page
//===========================================
RunOnUiThread(() =>
{
if (ArticlesAdapter.ArticlesList.Count > 0)
{
Articls_Empty.Visibility = ViewStates.Gone;
ArticlsRecylerView.Visibility = ViewStates.Visible;
}
else
{
Articls_Empty.Visibility = ViewStates.Visible;
ArticlsRecylerView.Visibility = ViewStates.Gone;
}
swipeRefreshLayout.Refreshing = false;
//Set Event Scroll
if (OnMainScrolEvent == null)
{
var xamarinRecyclerViewOnScrollListener =
new XamarinRecyclerViewOnScrollListener(mLayoutManager, swipeRefreshLayout);
OnMainScrolEvent = xamarinRecyclerViewOnScrollListener;
OnMainScrolEvent.LoadMoreEvent += Article_OnScroll_OnLoadMoreEvent;
ArticlsRecylerView.AddOnScrollListener(OnMainScrolEvent);
ArticlsRecylerView.AddOnScrollListener(new ScrollDownDetector());
}
else
{
OnMainScrolEvent.IsLoading = false;
}
});
}
}
catch (Exception e)
{
Crashes.TrackError(e);
Get_Articles_Api(offset);
}
}