ImagesActivity.java

package com.example.eventhomescreen;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.os.Bundle;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.Toast;

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 ImagesActivity extends AppCompatActivity {

    private RecyclerView mRecyclerView;
    private ImageAdapter mAdapter;

    private ProgressBar mProgressCircle;

    private DatabaseReference mDatabaseRef;
    private List<Upload> mUploads;

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


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

        mProgressCircle = findViewById(R.id.progress_circle);

        mUploads = new ArrayList<>();

        mDatabaseRef = FirebaseDatabase.getInstance().getReference("uploads");

        mDatabaseRef.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                for (DataSnapshot postSnapshot : dataSnapshot.getChildren()) {
                    Upload upload = postSnapshot.getValue(Upload.class);
                    mUploads.add(upload);
                }

                mAdapter = new ImageAdapter(ImagesActivity.this, mUploads);

                mRecyclerView.setAdapter(mAdapter);
                mProgressCircle.setVisibility(View.INVISIBLE);
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
                Toast.makeText(ImagesActivity.this, databaseError.getMessage(), Toast.LENGTH_SHORT).show();
                mProgressCircle.setVisibility(View.INVISIBLE);
            }
        });

    }
}
*/