public FriendListViewModel(FamilyRepository family, IContactPicker contactPicker)
{
_family = family;
_contactPicker = contactPicker;
family.CurrentChild.Friends.ForEach(_ => Friends.Add(_));
NewFriendCommand = new Command(async() => await AddFriend());
ChangeContactCommand = new Command <Friend>(async(_) => await ChangeContact(_));
DeleteContactCommand = new Command <Friend>(DeleteContact);
}
private void SwitchNameInputType()
{
if (lastContact != null)
{
nameEditText.Enabled = true;
lastPicker = null;
lastContact = null;
UpdateButtons();
return;
}
ShowChoiceDialog();
UpdateButtons();
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
var picker = ContactPickers.All.SingleOrDefault(p => p.RequestCode == requestCode);
if (picker == null)
{
base.OnActivityResult(requestCode, resultCode, data);
lastPicker = null;
lastContact = null;
return;
}
if (resultCode == Result.Canceled)
{
return;
}
lastContact = data
.GetByteArrayExtra(FriendPickerActivity.IntentExtraContactKey)
.FromBinary <Contact>();
lastPicker = picker;
nameEditText.Text = lastContact.Name;
nameEditText.Enabled = false;
UpdateButtons();
}