notifyDataSetChanged not working on RecyclerView

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In your parseResponse() you are creating a new instance of the BusinessAdapter class, but you aren’t actually using it anywhere, so your RecyclerView doesn’t know the new instance exists.

You either need to:

  • Call recyclerView.setAdapter(mBusinessAdapter) again to update the RecyclerView’s adapter reference to point to your new one
  • Or just remove mBusinessAdapter = new BusinessAdapter(mBusinesses); to continue using the existing adapter. Since you haven’t changed the mBusinesses reference, the adapter will still use that array list and should update correctly when you call notifyDataSetChanged().

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