MainActivity6(Map)

Main Activity 6 Java Code :

package com.example.gypsy;

import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.widget.LinearLayout;
import android.widget.Toast;
import com.google.android.material.button.MaterialButton;
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 android.os.Bundle;

public class MainActivity6 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main6);

        Intent intent = getIntent();
        if (intent != null) {
            String restoId = intent.getStringExtra("restoId");

            if (restoId != null) {
                LinearLayout linearLayout = findViewById(R.id.linearLayout);
                queryRestoDetails(restoId, linearLayout);
            } else {
                // Handle the case where hotelId is null
                Toast.makeText(MainActivity6.this, "resto ID is null", Toast.LENGTH_SHORT).show();
            }
        }
    }
    private void queryRestoDetails(String hotelId, LinearLayout linearLayout) {
        DatabaseReference restoRef = FirebaseDatabase.getInstance().getReference().child("restaurants").child(hotelId);
        restoRef.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()) {
                    String RestoName = dataSnapshot.child("name").getValue(String.class);
                    double latitude = dataSnapshot.child("latitude").getValue(Double.class);
                    double longitude = dataSnapshot.child("longitude").getValue(Double.class);

                    // Create a button with the hotel name
                    createButtonForHotel(linearLayout, RestoName, latitude, longitude);
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
                // Handle the database error
                Toast.makeText(MainActivity6.this, "Database error: " + databaseError.getMessage(), Toast.LENGTH_SHORT).show();
            }
        });
    }

    private void createButtonForHotel(LinearLayout linearLayout, String hotelName, double latitude, double longitude) {
        // Create a new MaterialButton for the hotel
        MaterialButton directionBtn = new MaterialButton(MainActivity6.this);
        directionBtn.setText("Navigate to " + hotelName);

        // Set click listener for the button
        directionBtn.setOnClickListener(v -> {
            // Show an alert dialog indicating that the map coordinates may not be accurate
            showAlertDialog(hotelName, latitude, longitude);
        });

        // Add the button to the LinearLayout
        linearLayout.addView(directionBtn);
    }

    private void showAlertDialog(String hotelName, double latitude, double longitude) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Map Coordinates Not Accurate");
        builder.setMessage("The map coordinates for " + hotelName + " may not be accurate. Please consider manually searching for the location if its in correct .");

        builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // Proceed with navigating to the location on the map
                directionFromCurrentMap(latitude, longitude);
            }
        });

        builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                // Cancel the navigation
                dialog.dismiss();
            }
        });

        // Show the alert dialog
        builder.show();
    }

    private void directionFromCurrentMap(double destinationLatitude, double destinationLongitude) {
        Uri mapUri = Uri.parse("https://maps.google.com/maps?daddr=" + destinationLatitude + "," + destinationLongitude);
        Intent intent = new Intent(Intent.ACTION_VIEW, mapUri);
        startActivity(intent);
    }
}


XML :

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/linearLayout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    android:padding="10dp"
    tools:context=".MainActivity6">

</LinearLayout>