async void Handle_Tapped(object sender, System.EventArgs e)
{
if (OwnerPage == null)
{
System.Diagnostics.Debug.WriteLine("MyPicker: OwnerPage is null");
return;
}
if (busy)
{
return;
}
busy = true;
List <string> buttons = new List <string>();
if (ItemsSource != null)
{
foreach (var item in ItemsSource)
{
if (item != null)
{
buttons.Add(item.ToString());
}
else
{
buttons.Add("无");
}
}
}
var result = await OwnerPage.DisplayActionSheet(Title, null, null, buttons.ToArray());
busy = false;
if (result == null)
{
return;
}
int selectedIndex = buttons.IndexOf(result);
int index = 0;
foreach (var item in ItemsSource)
{
if (index == selectedIndex)
{
SelectedItem = item;
break;
}
index++;
}
HandleSelectedItemChanged();
}
async void Handle_Tapped(object sender, System.EventArgs e)
{
if (OwnerPage == null)
{
System.Diagnostics.Debug.WriteLine("MyPicker: OwnerPage is null");
return;
}
if (busy)
{
return;
}
busy = true;
List <string> buttons = new List <string>();
if (ItemsSource != null)
{
foreach (var item in ItemsSource)
{
if (item != null)
{
buttons.Add(item.ToString());
}
else
{
buttons.Add("item is null");
}
}
}
var result = await OwnerPage.DisplayActionSheet(Title, null, null, buttons.ToArray());
busy = false;
if (result == null)
{
return;
}
SelectedItem = result;
UpdateLabel();
}
