Local search with detail for each typed letter - Xamarin Forms

Question

With each typed letter appears a white ball in the middle of the app (by the way is updating the list), I wish I could not have this.

The mistake:

The code:

//Pesquisa localmente a cada letra digitada
private void OnTextChanged(object sender, TextChangedEventArgs e)
{
    //Letra Maiúscula
    MainSearchBar.Text = MainSearchBar.Text.ToUpper();

    //Pesquisa a cada dígito
    lstProduto.BeginRefresh();
    if (string.IsNullOrWhiteSpace(e.NewTextValue))
    {
        lstProduto.ItemsSource = produtos;
    }
    else
    {
        lstProduto.ItemsSource = produtos.Where(i => i.DESCRICAO.Contains(e.NewTextValue));
    }
    lstProduto.EndRefresh();
}

Answer 1

In his method OnTextChanged you are activating the property IsRefreshing of his ListView.

Here:

//Pesquisa localmente a cada letra digitada
private void OnTextChanged(object sender, TextChangedEventArgs e)
{
    ...
    lstProduto.BeginRefresh();
    ...
    lstProduto.EndRefresh();
}

Between these two calls (BeginRefresh and EndRefresh), the component Listview displays the 'busy' indicator'.

Just remove these two calls and the indicator will no longer appear.