@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toolbar = (Toolbar) findViewById(R.id.tool_bar);
setSupportActionBar(toolbar);
getSupportActionBar().setDisplayShowTitleEnabled(false);
ultimateRecyclerView = (UltimateRecyclerView) findViewById(R.id.ultimate_recycler_view);
ultimateRecyclerView.setHasFixedSize(false);
/** this is the adapter for the expanx */
simpleRecyclerViewAdapter = new ExpCustomAdapter(this);
simpleRecyclerViewAdapter.addAll(
ExpCustomAdapter.getPreCodeMenu(sampledatagroup1, sampledatagroup2, sampledatagroup3), 0);
linearLayoutManager = new LinearLayoutManager(this);
ultimateRecyclerView.setLayoutManager(linearLayoutManager);
ultimateRecyclerView.setAdapter(simpleRecyclerViewAdapter);
ultimateRecyclerView.setRecylerViewBackgroundColor(Color.parseColor("#ffffff"));
addExpandableFeatures();
}
