public class ViewHolder extends RecyclerView.Adapter<ViewHolder.ImageViewHolder> {
private Context mContext;
private List<Model> mModel;


public ViewHolder(Context context, List<Model> models)
{
    mContext=context;
    mModel=models;

}
@NonNull
@Override
public ImageViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
    View v = LayoutInflater.from(mContext).inflate(R.layout.row, viewGroup,false);
    return new ImageViewHolder(v);
}

@Override
public void onBindViewHolder(@NonNull ImageViewHolder imageViewHolder, int i) {
    Model mModelcur = mModel.get(i);
    imageViewHolder.img_description.setText(mModelcur.getDescription());
    imageViewHolder.img_title.setText(mModelcur.getTitle());
    Picasso.get().load(mModelcur.getImage())
                .into(imageViewHolder.image_view, new Callback() {
                    @Override
                    public void onSuccess() {

                    }

                    @Override
                    public void onError(Exception e) {
                        Log.i("log" , e.getMessage());
                    }
                });


}

@Override
public int getItemCount() {
    return mModel.size();
}



public class ImageViewHolder extends RecyclerView.ViewHolder
{
    public TextView img_description;
    public TextView img_title;
    public ImageView image_view;
    public ImageViewHolder(@NonNull View itemView) {
        super(itemView);
        img_description = itemView.findViewById(R.id.rDescription);
        image_view = itemView.findViewById(R.id.rImageview);
        img_title = itemView.findViewById(R.id.rTextview);
    }
}

public class Ordering extends AppCompatActivity {


private RecyclerView mRecyclerView;
private ViewHolder mAdapter;
private DatabaseReference mDatabaseReference;
private List<Model> mModel;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_ordering);

    mRecyclerView= findViewById(R.id.recyclerview);
    mRecyclerView.setHasFixedSize(true);
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));

    mModel = new ArrayList<>();
    mAdapter=new ViewHolder(Ordering.this, mModel);
    mRecyclerView.setAdapter(mAdapter);
    mDatabaseReference=FirebaseDatabase.getInstance().getReference("Data");
    mDatabaseReference.addValueEventListener(new ValueEventListener() {
        @Override
        public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
            for(DataSnapshot postSnapshot:dataSnapshot.getChildren())
            {
                Model model=postSnapshot.getValue(Model.class);
                mModel.add(model);
            }
            mAdapter.notifyDataSetChanged();
        }

        @Override
        public void onCancelled(@NonNull DatabaseError databaseError) {
            Toast.makeText(Ordering.this, databaseError.getMessage(), Toast.LENGTH_LONG).show();
        }
    });

}

public void onDetails(final View view) {
    final List<Model> mModel = new ArrayList<>();
    DatabaseReference ref = FirebaseDatabase.getInstance().getReference("Data");
    ref.addListenerForSingleValueEvent(new ValueEventListener() {
        @Override
        public void onDataChange(@NonNull DataSnapshot dataSnapshot) {

            for(DataSnapshot postSnapshot:dataSnapshot.getChildren())
            {
                String title = postSnapshot.child("title").getValue().toString();
                Intent intent = new Intent(view.getContext(),Detailsoforder.class);
                intent.putExtra("title",title);
                startActivity(intent);

            }
        }

        @Override
        public void onCancelled(@NonNull DatabaseError databaseError) {

        }
    });

}