public static Task <bool?> ShowConfirm(this Context context, string title, string message, string positiveBtn = "OK", string negativeBtn = "Cancel")
{
ManualResetEvent handle = new ManualResetEvent(false);
bool?result = null;
var builder = new AlertDialog.Builder(context);
if (title != null)
{
builder.SetTitle(title);
}
if (message != null)
{
if (message.Contains("<") || message.Contains(">"))
{
builder.SetHtml(message);
}
else
{
builder.SetMessage(message);
}
}
if (positiveBtn != null)
{
builder.SetPositiveButton(positiveBtn, delegate { result = true; });
}
if (negativeBtn != null)
{
builder.SetNegativeButton(negativeBtn, delegate { result = false; });
}
var dlg = builder.Create();
dlg.Show();
dlg.DismissEvent += delegate
{
handle.Set();
};
return(Task.Run(() =>
{
handle.WaitOne();
return result;
}));
}