public async void ActionSheet()
{
var config = new ActionSheetAsyncConfig
{
Title = "Action Sheet Async",
Message = "Hello world!",
CancelButtonText = "Cancel"
};
config.Items.Add(new ActionSheetItemAsyncConfig {
Message = "Item 1"
});
config.Items.Add(new ActionSheetItemAsyncConfig {
Message = "Item 2"
});
config.Items.Add(new ActionSheetItemAsyncConfig {
Message = "Item 3"
});
var item = await MessagingService.Instance.ActionSheetAsync(config);
if (item != null)
{
MessagingService.Instance.Toast($"Clicked: {item.Message}");
}
}
/// <summary>
/// Display an action sheet dialog asynchronously.
/// </summary>
/// <param name="config">The action sheet configuration.</param>
public Task <ActionSheetItemAsyncConfig> ActionSheetAsync(ActionSheetAsyncConfig config, CancellationToken cancellationToken = default)
{
// If available, call the delegate to see if presenting this dialog is allowed.
if (MessagingServiceCore.Delegate != null && !MessagingServiceCore.Delegate.OnActionSheetRequested(config))
{
return(Task.FromResult <ActionSheetItemAsyncConfig>(null));
}
var task = new TaskCompletionSource <ActionSheetItemAsyncConfig>();
// Configure actions to complete the task.
config.CancelButtonClickAction = () => task.TrySetResult(null);
config.DismissedAction = () => task.TrySetResult(null);
config.ItemClickAction = (item) => task.TrySetResult(item);
var dialog = PresentActionSheet(config);
// Register the disposable of the dialog with the cancellation token, then return the task.
using (cancellationToken.Register(() => dialog?.Dispose()))
return(task.Task);
}