public TweetsView(string ticker)
{
InitializeComponent();
var viewModel = new TwitterViewModel(ticker);
BindingContext = viewModel;
viewModel.LoadTweetsCommand();
TweetList.ItemSelected += (sender, args) =>
{
if (TweetList.SelectedItem == null)
{
return;
}
Navigation.PushAsync(new ContentPage
{
Content = new WebView
{
Source = new UrlWebViewSource
{
Url = ((Tweet)TweetList.SelectedItem).Url
}
}
});
TweetList.SelectedItem = null;
};
}
// Moved the code here so we can await the async call
private async Task InitializeAsync()
{
BindingContext = viewModel;
await viewModel.LoadTweetsCommand();
TweetList.ItemSelected += (sender, args) =>
{
if (TweetList.SelectedItem == null)
{
return;
}
Navigation.PushAsync(new ContentPage
{
Content = new WebView
{
Source = new UrlWebViewSource
{
Url = ((Tweet)TweetList.SelectedItem).Url
}
}
});
TweetList.SelectedItem = null;
};
}
private async void ButtonSearch_Click(object sender, RoutedEventArgs e)
{
Progress.Visibility = System.Windows.Visibility.Visible;
await viewModel.LoadTweetsCommand(TextBoxSearch.Text);
Tweets.ItemsSource = viewModel.Tweets;
Progress.Visibility = System.Windows.Visibility.Collapsed;
}
async partial void ButtonGetTweets_TouchUpInside(UIButton sender)
{
ButtonGetTweets.Enabled = false;
activityIndicator.StartAnimating();
TextFieldSearch.ResignFirstResponder();
await viewModel.LoadTweetsCommand(TextFieldSearch.Text.Trim());
TableViewTweets.ReloadData();
activityIndicator.StopAnimating();
ButtonGetTweets.Enabled = true;
}
async void OnLoadPressed(object o, EventArgs e)
{
if (IsBusy)
{
return;
}
IsBusy = true;
LoadTweets.Enabled = false;
Search.ResignFirstResponder();
await viewModel.LoadTweetsCommand(Search.StringValue.Trim());
TweetTable.ReloadData();
TweetTable.SizeToFit();
LoadTweets.Enabled = true;
IsBusy = false;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
var search = FindViewById <EditText>(Resource.Id.search_text);
var button = FindViewById <Button>(Resource.Id.get_tweets);
var listView = FindViewById <ListView>(Resource.Id.listView);
var progress = FindViewById <ProgressBar>(Resource.Id.progressBar);
progress.Indeterminate = true;
progress.Visibility = ViewStates.Invisible;
button.Click += async(sender, args) =>
{
button.Enabled = false;
progress.Visibility = ViewStates.Visible;
await viewModel.LoadTweetsCommand(search.Text.Trim());
listView.Adapter = new TweetAdapter(this, viewModel);
progress.Visibility = ViewStates.Invisible;
button.Enabled = true;
};
listView.ItemClick += (sender, args) =>
{
viewModel.Speak(args.Position);
};
}