protected override void OnSaveInstanceState(Bundle outState)
{
base.OnSaveInstanceState(outState);
CardStreamState state = CardStream.DumpState();
mRetentionFragment.CardStream = state;
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.activity_main);
var fm = FragmentManager;
var fragment = (BatchStepSensorFragment)fm.FindFragmentByTag(FRAGTAG);
if (fragment == null)
{
var transaction = fm.BeginTransaction();
fragment = new BatchStepSensorFragment();
transaction.Add(fragment, FRAGTAG);
transaction.Commit();
}
// Use fragment as click listener for cards, but must implement correct interface
if (!(fragment is OnCardClickListener))
{
throw new InvalidCastException("BatchStepSensorFragment must implement OnCardClickListener interface.");
}
var clickListener = (OnCardClickListener)fm.FindFragmentByTag(FRAGTAG);
mRetentionFragment = (StreamRetentionFragment)fm.FindFragmentByTag(RETENTION_TAG);
if (mRetentionFragment == null)
{
mRetentionFragment = new StreamRetentionFragment();
fm.BeginTransaction().Add(mRetentionFragment, RETENTION_TAG).Commit();
}
else
{
// If the retention fragment already existed, we need to pull a state.
// Pull State out.
CardStreamState state = mRetentionFragment.CardStream;
// Dump it in CardStreamFragment;
mCardStreamFragment = (CardStreamFragment)fm.FindFragmentById(Resource.Id.fragment_cardstream);
mCardStreamFragment.RestoreState(state, clickListener);
}
}
