private async Task Save()
{
ContactModel model = ContactFake.Update(_id, Name, Email, IsFavorite);
MessagingCenter.Send(model, "UpdateList");
await NavigationHelper.GetInstance().GoBack();
}
protected override void OnNavigatedFrom(NavigationEventArgs e)
{
if (e.NavigationMode != NavigationMode.Back)
{
NavigationHelper.GetInstance().Add(mmvm);
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
try
{
aavm = (AllArtistsViewModel)NavigationHelper.GetInstance().Peek();
aavm = (AllArtistsViewModel)NavigationHelper.GetInstance().Pop();
} catch (Exception ex)
{
aavm = new AllArtistsViewModel();
}
DataContext = aavm;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
if (_isNewPageInstance)
{
if (mmvm == null)
{
if (NavigationHelper.GetInstance().Count() > 0)
{
mmvm = (MainMenuViewModel)NavigationHelper.GetInstance().Pop();
}
else
{
mmvm = new MainMenuViewModel();
}
}
DataContext = mmvm;
}
_isNewPageInstance = false;
}
private async Task GotoContactDetail(string id)
{
await NavigationHelper.GetInstance().GotoContactDetail(id);
}