Android studio retrieve data from Firebase and get error E/RecyclerView: No adapter attached; skipping layout

Question

I get an error E/RecyclerView: No adapter attached; skipping layout when I'm trying to retrieve data from Firebase and display by using recyclerView.

MainActivity.java

InformationAdapter.java

InforamtionModel

Answer 1

Put these lines:

adapter = new InformationAdapter(MainActivity.this, list);
recyclerView.setAdapter(adapter);

above

FetchData();