private async Task UpdateVideos()
{
var indicator = new UIActivityIndicatorView(new CGRect(0, 0, 40, 40));
indicator.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.Gray;
indicator.Center = View.Center;
View.AddSubview(indicator);
try
{
indicator.StartAnimating();
var videos = (await YouTubeDataCollection.LoadVideosAsync("Xamarin iOS", "relevance", null, 50)).Item2;
_source = new YouTubeTableViewSource(TableView)
{
ItemsSource = videos
};
TableView.Source = _source;
}
catch
{
var alert = new UIAlertView("", Foundation.NSBundle.MainBundle.LocalizedString("InternetConnectionError", ""), null, "OK");
alert.Show();
}
finally
{
indicator.StopAnimating();
}
}
private async Task UpdateVideos()
{
var indicator = new ProgressBar(this);
try
{
indicator.Activated = true;
var videos = new ObservableCollection <YouTubeVideo>((await YouTubeDataCollection.LoadVideosAsync("Xamarin Android", "relevance", null, 50)).Item2);
_dataCollection = new C1DataCollection <YouTubeVideo>(videos).AsPlain();
await _dataCollection.GroupAsync("ChannelTitle");
RecyclerView.SetLayoutManager(new LinearLayoutManager(this));
RecyclerView.SetAdapter(new YouTubeAdapter(_dataCollection));
}
catch
{
var builder = new Android.App.AlertDialog.Builder(this);
builder.SetMessage(Resources.GetString(Resource.String.InternetConnectionError));
var alert = builder.Create();
alert.Show();
}
finally
{
indicator.Activated = false;
}
}
private async void Load()
{
_dataCollection = new YouTubeDataCollection();
var grouping = new C1GroupDataCollection <YouTubeVideo>(_dataCollection, true);
await grouping.GroupAsync("PublishedDay");
RecyclerView.SetLayoutManager(new LinearLayoutManager(this));
RecyclerView.SetAdapter(new YouTubeAdapter(grouping));
}
public OnDemand()
{
InitializeComponent();
Title = AppResources.OnDemandTitle;
search.Placeholder = AppResources.SearchPlaceholderText;
_dataCollection = new YouTubeDataCollection();
list.ItemsSource = _dataCollection;
// start on demand loading
list.LoadItemsOnDemand(_dataCollection);
}
public async void LoadVideos()
{
var videos = await YouTubeDataCollection.LoadVideosAsync("WPF", "relevance", null, 50);
var cv = new C1.WPF.DataCollection.C1CollectionView(new C1DataCollection <YouTubeVideo>(videos.Item2));
//using (cv.DeferRefresh())
//{
// cv.GroupDescriptions.Add(new System.Windows.Data.PropertyGroupDescription("ChannelTitle"));
// cv.GroupDescriptions.Add(new System.Windows.Data.PropertyGroupDescription("TitleIndex"));
//}
grid.ItemsSource = cv;
}
private async Task UpdateVideos()
{
try
{
message.IsVisible = false;
list.IsVisible = false;
activityIndicator.IsRunning = true;
var _videos = new ObservableCollection <YouTubeVideo>((await YouTubeDataCollection.LoadVideosAsync("Xamarin Forms", "relevance", null, 50)).Item2);
_dataCollection = new C1DataCollection <YouTubeVideo>(_videos);
list.ItemsSource = _dataCollection;
list.IsVisible = true;
}
catch
{
message.Text = AppResources.InternetConnectionError;
message.IsVisible = true;
}
finally
{
activityIndicator.IsRunning = false;
}
}
private async void Load()
{
CollectionView.BackgroundColor = UIColor.White;
SearchField.EditingChanged += OnSearchEditingChanged;
SearchField.ShouldReturn = new UITextFieldCondition(tf => { tf.ResignFirstResponder(); return(true); });
_collectionView = new YouTubeDataCollection();
_collectionView.PageSize = 50;
var itemSize = 100;
var grouping = new C1GroupDataCollection <YouTubeVideo>(_collectionView, false);
await grouping.GroupAsync("PublishedDay");
var source = new YouTubeCollectionViewSource(CollectionView);
source.ItemsSource = grouping;
source.EmptyMessageLabel.TextColor = UIColor.Black;
source.EmptyMessageLabel.Text = Foundation.NSBundle.MainBundle.GetLocalizedString("EmptyText", "");
var layout = new C1CollectionViewFlowLayout();
layout.SectionHeadersPinToVisibleBounds = true;
layout.EstimatedItemSize = new CGSize(itemSize, itemSize);
layout.HeaderReferenceSize = new CGSize(25, 25);
source.CollectionViewLayout = layout;
CollectionView.Source = source;
}
