Get Realtime device Location (Country, State, District, Postal Code)

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/tvCountry" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Country" android:textSize="18sp" android:layout_marginTop="20dp"/> <TextView android:id="@+id/tvState" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="State" android:textSize="18sp" android:layout_below="@id/tvCountry" android:layout_marginTop="20dp"/> <TextView android:id="@+id/tvDistrict" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="District" android:textSize="18sp" android:layout_below="@id/tvState" android:layout_marginTop="20dp"/> <TextView android:id="@+id/tvPostalCode" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Postal Code" android:textSize="18sp" android:layout_below="@id/tvDistrict" android:layout_marginTop="20dp"/> </RelativeLayout>

1. Activity (mainactivity.java)

package com.example.loca; 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.widget.TextView; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import com.google.android.gms.location.FusedLocationProviderClient; import com.google.android.gms.location.LocationCallback; import com.google.android.gms.location.LocationRequest; import com.google.android.gms.location.LocationResult; import com.google.android.gms.location.LocationServices; import com.google.android.gms.tasks.OnCompleteListener; import com.google.android.gms.tasks.Task; import java.io.IOException; import java.util.List; import java.util.Locale; public class MainActivity extends AppCompatActivity { FusedLocationProviderClient fusedLocationProviderClient; LocationRequest locationRequest; LocationCallback locationCallback; TextView tvCountry, tvState, tvDistrict, tvPostalCode; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // Initialize views tvCountry = findViewById(R.id.tvCountry); tvState = findViewById(R.id.tvState); tvDistrict = findViewById(R.id.tvDistrict); tvPostalCode = findViewById(R.id.tvPostalCode); // Initialize FusedLocationProviderClient fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this); // Setup location request locationRequest = LocationRequest.create(); locationRequest.setInterval(5000); // 5 seconds interval locationRequest.setFastestInterval(2000); // 2 seconds fastest interval locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY); // Create location callback locationCallback = new LocationCallback() { @Override public void onLocationResult(@NonNull LocationResult locationResult) { if (locationResult == null) { return; } for (Location location : locationResult.getLocations()) { if (location != null) { try { Geocoder geocoder = new Geocoder(MainActivity.this, Locale.getDefault()); List<Address> addresses = geocoder.getFromLocation(location.getLatitude(), location.getLongitude(), 1); // Extract relevant data String country = addresses.get(0).getCountryName(); String state = addresses.get(0).getAdminArea(); String district = addresses.get(0).getSubAdminArea(); String postalCode = addresses.get(0).getPostalCode(); // Display the data tvCountry.setText("Country: " + country); tvState.setText("State: " + state); tvDistrict.setText("District: " + district); tvPostalCode.setText("Postal Code: " + postalCode); } catch (IOException e) { e.printStackTrace(); } } } } }; // Request location updates if permission is granted if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 100); } else { startLocationUpdates(); } } // Start live location updates private void startLocationUpdates() { if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, String[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } fusedLocationProviderClient.requestLocationUpdates(locationRequest, locationCallback, null); } // Handle permission request result @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (requestCode == 100 && grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { startLocationUpdates(); } } @Override protected void onPause() { super.onPause(); fusedLocationProviderClient.removeLocationUpdates(locationCallback); } @Override protected void onResume() { super.onResume(); if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED) { startLocationUpdates(); } } }

1. (Manifest.java)

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />

1. (dependencies)

implementation ("com.google.android.gms:play-services-location:21.0.1")