Got Single Bucket data in (Textview1,TextView2)

1. Activity (activity_main.xml)

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="16dp"> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="TextView 1" android:textSize="18sp" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/textView1" android:layout_marginTop="16dp" android:text="TextView 2" android:textSize="18sp" /> </RelativeLayout>

1. Activity (mainactivity.java)

package com.example.firebaseexample; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.widget.TextView; 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; public class MainActivity extends AppCompatActivity { private TextView textView1, textView2; private FirebaseDatabase database; private DatabaseReference reference; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Initialize TextViews textView1 = findViewById(R.id.textView1); textView2 = findViewById(R.id.textView2); // Initialize Firebase database database = FirebaseDatabase.getInstance(); reference = database.getReference("data"); // Read data from Firebase Realtime Database reference.addValueEventListener(new ValueEventListener() { @Override public void onDataChange(@NonNull DataSnapshot dataSnapshot) { // Get values from database String value1 = dataSnapshot.child("text1").getValue(String.class); String value2 = dataSnapshot.child("text2").getValue(String.class); // Set values to TextViews textView1.setText(value1); textView2.setText(value2); } @Override public void onCancelled(@NonNull DatabaseError error) { // Handle possible errors textView1.setText("Failed to load data."); textView2.setText("Failed to load data."); } }); } }

1. Firebase Realtime Database Structure

{ "data": { "text1": "Hello from Firebase!", "text2": "This is another text." } }