How to refresh the item in SfListView automatically at runtime using timer?
SfListView allows you to refresh the items at runtime by changing the ItemsSource in some time period using PropertyChanged event of Xamarin.Forms ListView.
Following example illustrates how to change the ItemsSource using PropertyChanged event by timer.
C#
public partial class MainPage : ContentPage
{
public MainPage()
{
InitializeComponent();
InitializeTimer();
listView.PropertyChanged += ListView_PropertyChanged;
}
private void ListView_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "ItemsSource")
InitializeTimer();
}
private async void InitializeTimer()
{
await WaitAndExecute(2000, () =>
{
var viewmodel = new BandInfoRepository();
listView.ItemsSource = viewmodel.BandInfo;
});
}
private async Task WaitAndExecute(int milisec, Action actionToExecute)
{
await Task.Delay(milisec);
actionToExecute();
}
}
Click here to download the sample
Conclusion
I hope you enjoyed learning about how to refresh the item in SfListView automatically at runtime using timer.
You can refer to our Xamarin.Forms ListView feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications.
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