public async Task <List <History> > GetHistory()
{
try
{
string json = await _client.get_history(App.GetUser().login);
return(JsonConvert.DeserializeObject <List <History> >(json));
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert("Ошибка", "Нет связи с сервером", "Ок");
return(new List <History>());
}
}