hello this is to do with android studio, my "MainActivity.java" code has errors and can you please correct it and give the full error free code please. It uses api $27.$

package com.example.mygps;

import android.os$.$Bundle;

import androidx.activity.EdgeToEdge;

import androidx.appcompat.app.AppCompatActivity;

import androidx.core.graphics.Insets;

import androidx.core.view.ViewCompat;

import androidx.core.view.WindowInsetsCompat;

public class MainActivity extends AppCompatActivity $\{$

@Override

protected void onCreate$($Bundle savedInstanceState$)\{$

super.onCreate$($savedInstanceState$)$;

EdgeToEdge.enable$($this$)$;

setContentView$($R$.$layout.activity$\_$main$)$;

ViewCompat.setOnApplyWindowInsetsListener$($findViewById$($R$.$id$.$main$),($v$,$ insets$)->\{$

Insets systemBars $=$ insets.getInsets$($WindowInsetsCompat$.$Type.systemBars$())$;

v$.$setPadding$($systemBars$.$left, systemBars.top, systemBars.right, systemBars.bottom$)$;

return insets;

$\})$;

$\}$

$\}$

public class Location $\{$

private String name;

private String country;

private String gpsCoordinates;

private String visitDate;

private int rating;

public Location$($String name, String country, String gpsCoordinates, String visitDate, int rating$)\{$

this.name $=$ name;

this.country $=$ country;

this.gpsCoordinates $=$ gpsCoordinates;

this.visitDate $=$ visitDate;

this.rating $=$ rating;

$\}$

$//$ Getters and Setters for each property

public String getName$()\{$

return name;

$\}$

public String getCountry$()\{$

return country;

$\}$

public String getGpsCoordinates$()\{$

return gpsCoordinates;

$\}$

public String getVisitDate$()\{$

return visitDate;

$\}$

public int getRating$()\{$

return rating;

$\}$

$\}$

public class MainActivity extends AppCompatActivity $\{$

@Override

protected void onCreate$($Bundle savedInstanceState$)\{$

super.onCreate$($savedInstanceState$)$;

setContentView$($R$.$layout.activity$\_$main$)$;

findViewById$($R$.$id$.$addLocationButton$).$setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View view$)\{$

Intent intent $=$ new Intent$($MainActivity$.$this, AddLocationActivity.class$)$;

startActivity$($intent$)$;

$\}$

$\})$;

$\}$

$\}$

public class AddLocationActivity extends AppCompatActivity $\{$

private EditText editTextName, editTextCountry, editTextGPS, editTextDate;

private NumberPicker ratingPicker;

@Override

protected void onCreate$($Bundle savedInstanceState$)\{$

super.onCreate$($savedInstanceState$)$;

setContentView$($R$.$layout.activity$\_$add$\_$location$)$;

$//$ Initialize EditTexts and NumberPicker

$//$ Set up onClick listener for the save button to collect data and show a Toast message

$\}$

$\}$