private void InitializeToolBars()
{
string addIcon = null;
string refreshIcon = null;
if (Device.OS == TargetPlatform.WinPhone)
{
addIcon = "Toolkit.Content/ApplicationBar.Add.png";
refreshIcon = "Toolkit.Content/ApplicationBar.Refresh.png";
}
var addToolButton = new ToolbarItem("Add", addIcon, () =>
{
var todoItem = new ToDoItem();
var todoPage = new ToDoItemXaml();
todoPage.BindingContext = todoItem;
Navigation.PushAsync(todoPage);
}, 0, 0);
var refreshToolButton = new ToolbarItem("Refresh", refreshIcon, () =>
{
OnAppearing();
}, 0, 0);
ToolbarItems.Add(addToolButton);
ToolbarItems.Add(refreshToolButton);
}
public async Task SaveTaskAsync(ToDoItem item)
{
if (item.ID == null)
{
await _todoTable.InsertAsync(item);
TodoViewModel.TodoItems.Add(item);
}
else
await _todoTable.UpdateAsync(item);
}
public async Task DeleteTaskAsync(ToDoItem item)
{
try
{
TodoViewModel.TodoItems.Remove(item);
await _todoTable.DeleteAsync(item);
}
catch (MobileServiceInvalidOperationException msioe)
{
Debug.WriteLine(@"INVALID {0}", msioe.Message);
}
catch (Exception e)
{
Debug.WriteLine(@"ERROR {0}", e.Message);
}
}