make a android app for turism with 2 pages

package com.example.myfirstapp;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {

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

    public void onClick(View view) {
        // Do something in response to button
        Toast.makeText(this, "I love Android", Toast.LENGTH_LONG).show();
    }

    /** Called when the user taps the Send button */
    public void sendMessage(View view) {
        // Do something in response to button
        Toast.makeText(this, "I love Android", Toast.LENGTH_LONG).show();
    }
}