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MainActivity.java
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MainActivity.java
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package com.example.myapplication;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.location.FusedLocationProviderClient;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.tasks.OnSuccessListener;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
public class MainActivity extends AppCompatActivity {
public int x = 0;
FusedLocationProviderClient fusedLocationProviderClient;
TextView lattitude, longitude, address, city, country;
Button getLocation;
private final static int REQUEST_CODE = 100;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
lattitude = findViewById(R.id.lattitude);
longitude = findViewById(R.id.longitude);
address = findViewById(R.id.address);
city = findViewById(R.id.city);
country = findViewById(R.id.country);
getLocation = findViewById(R.id.getLocation);
fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);
getLocation.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
getLastLocation();
}
});
}
private void getLastLocation() {
if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
fusedLocationProviderClient.getLastLocation()
.addOnSuccessListener(new OnSuccessListener<Location>() {
@Override
public void onSuccess(Location location) {
if (location != null) {
try {
Geocoder geocoder = new Geocoder(MainActivity.this, Locale.getDefault());
List<Address> addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
lattitude.setText("" + addresses.get(0).getLatitude());
longitude.setText("" + addresses.get(0).getLongitude());
address.setText("Address: " + addresses.get(0).getAddressLine(0));
city.setText("City: " + addresses.get(0).getLocality());
country.setText("Country: " + addresses.get(0).getCountryName());
obtain(Double.parseDouble(String.valueOf(lattitude.getText())), Double.parseDouble(String.valueOf(longitude.getText())));
city.setText(String.valueOf(x));
} catch (IOException e) {
e.printStackTrace();
}
}
}
});
} else {
askPermission();
}
}
private void askPermission() {
ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull @org.jetbrains.annotations.NotNull String[] permissions, @NonNull @org.jetbrains.annotations.NotNull int[] grantResults) {
if (requestCode == REQUEST_CODE) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
getLastLocation();
} else {
Toast.makeText(MainActivity.this, "Please provide the required permission", Toast.LENGTH_SHORT).show();
}
}
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
public void obtain(double a, double b) {
double c = Math.pow((a - 22.250637) * 111, 2);
double d = Math.pow((b - 84.905183) * 111, 2);
if ((c + d) <= 0.0625)
x++;
else
x = 0;
}
}