title: No adapter attached; skipping layout _____ AndroidX RecyclerView
body: <p>I am trying to get a list of posts to display on a RecyclerView in a fragment in Android Studio using Java I do have the &quot;.setAdapter()&quot; code displayed but I am still receiving this error message and I have been stuck on this for a week. I am sure it is something Stupid but here is my fragment, my adapter, and the XML file for the fragment</p>
  <p>Fragment</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>import android.os.Bundle;
  
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.ProgressBar;
  
  
  import androidx.annotation.NonNull;
  import androidx.fragment.app.Fragment;
  import androidx.recyclerview.widget.LinearLayoutManager;
  import androidx.recyclerview.widget.RecyclerView;
  
  import com.example.zapster_picture_sharing.Adapter.PostAdapter;
  import com.example.zapster_picture_sharing.Model.Post;
  import com.example.zapster_picture_sharing.R;
  import com.google.firebase.auth.FirebaseAuth;
  import com.google.firebase.database.DataSnapshot;
  import com.google.firebase.database.DatabaseError;
  import com.google.firebase.database.DatabaseReference;
  import com.google.firebase.database.FirebaseDatabase;
  import com.google.firebase.database.ValueEventListener;
  
  import java.util.ArrayList;
  import java.util.List;
  
  
  public class HomeFragment extends Fragment {
      private RecyclerView recyclerView;
      private PostAdapter postAdapter;
      private List&lt;Post&gt; postLists;
  
  
      private List&lt;String&gt; followingList;
  
      ProgressBar progressBar;
  
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container,
                               Bundle savedInstanceState) {
  
          View view = inflater.inflate(R.layout.fragment_home, container, false);
  
          LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext());
          linearLayoutManager.setReverseLayout(true);
          linearLayoutManager.setStackFromEnd(true);
  
          progressBar = view.findViewById(R.id.progress_circular);
          checkFollowing();
  
          recyclerView = view.findViewById(R.id.recycler_view_story);
          recyclerView.setHasFixedSize(true);
          recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
  
          postLists = new ArrayList&lt;&gt;();
          postAdapter = new PostAdapter(getContext(), postLists, true);
          recyclerView.setAdapter(postAdapter);
  
          return view;
      }
      private void checkFollowing(){
          followingList = new ArrayList&lt;&gt;();
          DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Follow")
                  .child(FirebaseAuth.getInstance().getCurrentUser().getUid())
                  .child("following");
          reference.addValueEventListener(new ValueEventListener() {
              @Override
              public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                  followingList.clear();
                  for(DataSnapshot snapshot:dataSnapshot.getChildren()){
                      followingList.add(snapshot.getKey());
  
                  }
                  readPosts();
  
              }
              @Override
              public void onCancelled(@NonNull DatabaseError databaseError) {
              }
          });
      }
      private void readPosts(){
          DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Posts");
  
          reference.addValueEventListener(new ValueEventListener() {
              @Override
              public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
  
                  postLists.clear();
                  for(DataSnapshot snapshot: dataSnapshot.getChildren()){
                      Post post = snapshot.getValue(Post.class);
                      for(String id:followingList){
                          if(post.getPublisher().equals(id)){
                              postLists.add(post);
                          }
                      }
                  }
                  postAdapter.notifyDataSetChanged();
  
                  progressBar.setVisibility(View.GONE);
  
              }
  
              @Override
              public void onCancelled(@NonNull DatabaseError databaseError) {
              }
          });
      }
  }</code></pre>
  </div>
  </div>
  </p>
  <p>PostAdapter</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>import android.content.Context;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.ImageView;
  import android.widget.TextView;
  
  import androidx.annotation.NonNull;
  import androidx.recyclerview.widget.RecyclerView;
  
  import com.bumptech.glide.Glide;
  import com.example.zapster_picture_sharing.Model.Post;
  import com.example.zapster_picture_sharing.Model.User;
  import com.example.zapster_picture_sharing.R;
  import com.google.firebase.database.DataSnapshot;
  import com.google.firebase.database.DatabaseError;
  import com.google.firebase.database.DatabaseReference;
  import com.google.firebase.database.FirebaseDatabase;
  import com.google.firebase.database.ValueEventListener;
  
  import java.util.List;
  
  public class PostAdapter extends RecyclerView.Adapter&lt;PostAdapter.ViewHolder&gt; {
  
      public Context mContext;
      public List&lt;Post&gt; mPosts;
  
      //private FirebaseUser firebaseUser;
  
      public PostAdapter(Context mContext, List&lt;Post&gt; mPosts, boolean b){
          this.mContext = mContext;
          this.mPosts = mPosts;
  
      }
  
      @NonNull
      @Override
      public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
          View view = LayoutInflater.from(mContext).inflate(R.layout.post_item, viewGroup, false);
          return new ViewHolder(view);
      }
  
      @Override
      public void onBindViewHolder(@NonNull final ViewHolder viewHolder, final int i) {
  
          //firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
  
          final Post post = mPosts.get(i);
  
          Glide.with(mContext).load(post.getPostimage()).into(viewHolder.post_image);
  
          if (post.getDescription().equals("")){
              viewHolder.description.setVisibility(View.GONE);
          } else {
              viewHolder.description.setVisibility(View.VISIBLE);
              viewHolder.description.setText(post.getDescription());
          }
  
          publisherInfo(viewHolder.image_profile, viewHolder.username, viewHolder.publisher, post.getPublisher());
      }
  
      @Override
      public int getItemCount() {
          return mPosts.size();
      }
  
      public static class ViewHolder extends RecyclerView.ViewHolder{
  
          public ImageView image_profile, post_image, like, comment, save;
          public TextView username, likes, publisher, description, comments;
  
          public ViewHolder(@NonNull View itemView) {
              super(itemView);
  
              image_profile = itemView.findViewById(R.id.image_profile);
              post_image = itemView.findViewById(R.id.post_image);
              comments = itemView.findViewById(R.id.comments);
              like = itemView.findViewById(R.id.like);
              comment = itemView.findViewById(R.id.comment);
              save = itemView.findViewById(R.id.save);
              username = itemView.findViewById(R.id.username);
              likes = itemView.findViewById(R.id.likes);
              publisher = itemView.findViewById(R.id.publisher);
              description = itemView.findViewById(R.id.description);
          }
      }
  
      private void publisherInfo(final ImageView image_profile, final TextView username, final TextView publisher, final String userid){
          DatabaseReference reference = FirebaseDatabase.getInstance().getReference("Users").child(userid);
  
          reference.addValueEventListener(new ValueEventListener() {
              @Override
              public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                  User user = dataSnapshot.getValue(User.class);
                  Glide.with(mContext).load(user.getImageurl()).into(image_profile);
                  username.setText(user.getUsername());
                  publisher.setText(user.getUsername());
              }
  
              @Override
              public void onCancelled(@NonNull DatabaseError databaseError) {
  
              }
          });
      }
  }</code></pre>
  </div>
  </div>
  </p>
  <p>XML for the fragment</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
      xmlns:tools="http://schemas.android.com/tools"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      tools:context=".Fragment.HomeFragment"&gt;
  
      &lt;com.google.android.material.appbar.AppBarLayout
          android:id="@+id/bar"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:background="?android:attr/windowBackground"&gt;
  
          &lt;androidx.appcompat.widget.Toolbar
              android:id="@+id/toolbar"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:background="?android:attr/windowBackground"&gt;
  
              &lt;RelativeLayout
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"&gt;
  
                  &lt;ImageView
                      android:layout_width="180dp"
                      android:layout_height="35dp"
                      android:src="@drawable/zapster_logo"
                      android:id="@+id/logo"
                      android:layout_marginLeft="-20dp"
                      android:layout_alignParentLeft="true"
                      android:layout_alignParentStart="true" /&gt;
  
                  &lt;ImageView
                      android:layout_width="wrap_content"
                      android:layout_height="wrap_content"
                      android:layout_marginRight="10dp"
                      android:src="@drawable/ic_inbox"
                      android:layout_alignParentRight="true"
                      android:layout_alignParentEnd="true" /&gt;
  
  
  
              &lt;/RelativeLayout&gt;
  
  
  
          &lt;/androidx.appcompat.widget.Toolbar&gt;
      &lt;/com.google.android.material.appbar.AppBarLayout&gt;
  
      &lt;androidx.core.widget.NestedScrollView
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:layout_below="@id/bar"&gt;
  
          &lt;LinearLayout
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
              android:orientation="vertical"&gt;
  
              &lt;androidx.recyclerview.widget.RecyclerView
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:id="@+id/recycler_view_story"
                  android:layout_margin="5dp"
                  android:layout_below="@id/bar"/&gt;
  
              &lt;androidx.recyclerview.widget.RecyclerView
                  android:layout_width="match_parent"
                  android:layout_height="wrap_content"
                  android:id="@+id/recycler_view"
                  android:layout_below="@id/recycler_view_story"/&gt;
  
          &lt;/LinearLayout&gt;
  
      &lt;/androidx.core.widget.NestedScrollView&gt;
  
      &lt;ProgressBar
          android:id="@+id/progress_circular"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:layout_centerInParent="true"/&gt;
  
  &lt;/RelativeLayout&gt;</code></pre>
  </div>
  </div>
  </p>
  <p>Post Model</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>package com.example.zapster_picture_sharing.Model;
  
  public class Post {
      private String postid;
      private String postimage;
      private String description;
      private String publisher;
  
      public Post(String postid, String postimage, String description, String publisher){
          this.postid = postid;
          this.postimage = postimage;
          this.description = description;
          this.publisher = publisher;
      }
  
      public Post(){
      }
  
      public String getPostid() {
          return postid;
      }
  
      public void setPostid(String postid) {
          this.postid = postid;
      }
  
      public String getPostimage() {
          return postimage;
      }
  
      public void setPostimage(String postimage) {
          this.postimage = postimage;
      }
  
      public String getDescription() {
          return description;
      }
  
      public void setDescription(String description) {
          this.description = description;
      }
  
      public String getPublisher() {
          return publisher;
      }
  
      public void setPublisher(String publisher) {
          this.publisher = publisher;
      }
  }</code></pre>
  </div>
  </div>
  </p>