How can ListView in Maui be refreshed automatically?

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To refresh a ListView in Maui automatically, you can use the ObservableCollection class. When the collection is modified, the ListView will be automatically updated to reflect the changes. To do this, you can follow these steps:

1. Create an ObservableCollection that represents the data you want to display in the ListView.
2. Set the ItemsSource property of the ListView to the ObservableCollection.
3. Modify the ObservableCollection as needed, and the ListView will be automatically updated.

Here's an example:

public partial class MyPage : ContentPage
{
    public ObservableCollection<string> Items { get; set; }

    public MyPage()
    {
        InitializeComponent();

        // Initialize the ObservableCollection
        Items = new ObservableCollection<string>();
        Items.Add("Item 1");
        Items.Add("Item 2");

        // Set the ItemsSource property of the ListView
        listView.ItemsSource = Items;
    }

    private void AddItem()
    {
        // Add an item to the ObservableCollection
        Items.Add("New Item");

        // The ListView will be automatically updated to reflect the changes
    }
}

In this example, adding an item to the ObservableCollection will automatically update the ListView to display the new item. You can modify the ObservableCollection in any way, and the ListView will be automatically refreshed to reflect the changes.