@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
mRootView = inflater.inflate(R.layout.fragment_builder_activity_cocktails, container, false);
initalLoadDone = false;
mCocktailList = (ListView) mRootView.findViewById(R.id.lvBuilderCocktails);
mNoCocktails = (TextView) mRootView.findViewById(R.id.tvBuilderNoDataView);
cocktailIngredients = Utilities.loadSavedIngredientList(getActivity());
return mRootView;
}
// Reference:
// http://stackoverflow.com/questions/9323279/how-to-test-if-a-fragment-view-is-visible-to-the-user
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
isFragmentVisible = isVisibleToUser;
if (isFragmentVisible) {
Log.d(
LOG_TAG,
"Total ingredients: "
+ Integer.toString(Utilities.loadSavedIngredientList(getActivity()).size()));
if (Utilities.loadSavedIngredientList(getActivity()).size() == 0) {
mCocktailList.setVisibility(View.GONE);
mNoCocktails.setVisibility(View.VISIBLE);
} else {
// If it has not changed size
if (Utilities.loadSavedIngredientList(getActivity()).size() == cocktailIngredients.size()) {
// Unless the inital load has been completed
if (initalLoadDone == false) {
if (Utilities.isNetworkAvailable(getActivity())) {
new LoadCocktails().execute();
} else {
Log.e(LOG_TAG, "No internet connection");
Toast.makeText(getActivity(), R.string.no_internet, Toast.LENGTH_LONG).show();
}
initalLoadDone = true;
}
} else {
// List has been changed so update
if (Utilities.isNetworkAvailable(getActivity())) {
new LoadCocktails().execute();
} else {
Log.e(LOG_TAG, "No internet connection");
Toast.makeText(getActivity(), R.string.no_internet, Toast.LENGTH_LONG).show();
}
cocktailIngredients = Utilities.loadSavedIngredientList(getActivity());
}
mCocktailList.setVisibility(View.VISIBLE);
mNoCocktails.setVisibility(View.GONE);
}
}
}