Android में अक्षांश और देशांतर से पूरा पता कैसे प्राप्त करें?

Android में Latitude/Longitude से पूरा पता प्राप्त करने का गाइड

यह ट्यूटोरियल दिखाता है कि कैसे Android ऐप में GPS निर्देशांक (अक्षांश और देशांतर) का उपयोग करके पूरा भौतिक पता प्राप्त किया जाए। हम Geocoder क्लास का उपयोग करेंगे।

चरण 1: नया प्रोजेक्ट बनाएं

Android Studio में File → New Project चुनकर नया प्रोजेक्ट बनाएं।

चरण 2: लेआउट फ़ाइल में कोड जोड़ें

res/layout/activity_main.xml में:

<RelativeLayout
    xmlns:android="https://schemas.android.com/apk/res/android"
    xmlns:tools="https://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16sp"
    tools:context=".MainActivity">
    <TextView
        android:text=""
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView" />
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="40dp"
        android:text="Show Address"
        android:id="@+id/btnShowAddress"
        android:layout_centerHorizontal="true" />
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/tvAddress"
        android:layout_alignParentBottom="true"
        android:layout_marginBottom="134dp"
        android:layout_alignParentEnd="true" />
</RelativeLayout>

चरण 3: MainActivity.java में कोड जोड़ें

src/MainActivity.java में:

import android.support.v7.app.AppCompatActivity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    Button btnShowAddress;
    TextView tvAddress;
    Location location;
    AppLocationService appLocationService;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tvAddress = findViewById(R.id.tvAddress);
        appLocationService = new AppLocationService(MainActivity.this);
        btnShowAddress = findViewById(R.id.btnShowAddress);
        btnShowAddress.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                location = appLocationService.getLocation(LocationManager.GPS_PROVIDER);
                double latitude = 13.1000727;
                double longitude = 80.2126274;
                LocationAddress locationAddress = new LocationAddress();
                locationAddress.getAddressFromLocation(latitude, longitude,
                    getApplicationContext(), new GeoCodeHandler());
                showSettingsAlert();
            }

            public void showSettingsAlert() {
                AlertDialog.Builder alertDialog = new AlertDialog.Builder(MainActivity.this);
                alertDialog.setTitle("SETTINGS");
                alertDialog.setMessage("Enable Location Provider! Go to settings menu?");
                alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                        MainActivity.this.startActivity(intent);
                    }
                });
                alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.cancel();
                    }
                });
                alertDialog.show();
            }

            class GeoCodeHandler extends Handler {
                @Override
                public void handleMessage(Message message) {
                    String locationAddress;
                    switch (message.what) {
                        case 1:
                            Bundle bundle = message.getData();
                            locationAddress = bundle.getString("address");
                            break;
                        default:
                            locationAddress = null;
                    }
                    tvAddress.setText(locationAddress);
                }
            }
        });
    }
}

चरण 4: AppLocationService.java क्लास बनाएं

नई Java क्लास AppLocationService.java बनाएं:

import android.annotation.SuppressLint;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;

@SuppressLint("Registered")
public class AppLocationService extends Service implements LocationListener {
    protected LocationManager locationManager;
    Location location;
    private static final long MIN_DISTANCE_FOR_UPDATE = 10;
    private static final long MIN_TIME_FOR_UPDATE = 1000 * 60 * 2;

    public AppLocationService(Context context) {
        locationManager = (LocationManager) context.getSystemService(LOCATION_SERVICE);
    }

    @SuppressLint("MissingPermission")
    public Location getLocation(String provider) {
        if (locationManager.isProviderEnabled(provider)) {
            locationManager.requestLocationUpdates(provider,
                MIN_TIME_FOR_UPDATE, MIN_DISTANCE_FOR_UPDATE, this);
            if (locationManager != null) {
                location = locationManager.getLastKnownLocation(provider);
                return location;
            }
        }
        return null;
    }

    @Override public void onLocationChanged(Location location) {}
    @Override public void onProviderDisabled(String provider) {}
    @Override public void onProviderEnabled(String provider) {}
    @Override public void onStatusChanged(String provider, int status, Bundle extras) {}
    @Override public IBinder onBind(Intent arg0) { return null; }
}

चरण 5: LocationAddress.java क्लास बनाएं

नई Java क्लास LocationAddress.java बनाएं:

import android.content.Context;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import java.io.IOException;
import java.util.List;
import java.util.Locale;

class LocationAddress {
    private static final String TAG = "LocationAddress";
    static void getAddressFromLocation(final double latitude,
        final double longitude, final Context context, final Handler handler) {
        Thread thread = new Thread() {
            @Override
            public void run() {
                Geocoder geocoder = new Geocoder(context, Locale.getDefault());
                String result = null;
                try {
                    List<Address> addressList = geocoder.getFromLocation(latitude, longitude, 1);
                    if (addressList != null && addressList.size() > 0) {
                        Address address = addressList.get(0);
                        StringBuilder sb = new StringBuilder();
                        for (int i = 0; i < address.getMaxAddressLineIndex(); i++) {
                            sb.append(address.getAddressLine(i)).append("\n");
                        }
                        sb.append(address.getLocality()).append("\n");
                        sb.append(address.getPostalCode()).append("\n");
                        sb.append(address.getCountryName());
                        result = sb.toString();
                    }
                } catch (IOException e) {
                    Log.e(TAG, "Unable connect to Geocoder", e);
                } finally {
                    Message message = Message.obtain();
                    message.setTarget(handler);
                    if (result != null) {
                        message.what = 1;
                        Bundle bundle = new Bundle();
                        result = "Latitude: " + latitude + " Longitude: " + longitude + "\n\nAddress:\n" + result;
                        bundle.putString("address", result);
                        message.setData(bundle);
                    } else {
                        message.what = 1;
                        Bundle bundle = new Bundle();
                        result = "Latitude: " + latitude + " Longitude: " + longitude + "\n Unable to get address for this lat-long.";
                        bundle.putString("address", result);
                        message.setData(bundle);
                    }
                    message.sendToTarget();
                }
            }
        };
        thread.start();
    }
}

चरण 6: AndroidManifest.xml में अनुमतियां जोड़ें

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="https://schemas.android.com/apk/res/android"
    package="app.com.sample">
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
</manifest>

ऐप चलाएं

डिवाइस कनेक्ट करें, Android Studio में Run आइकन पर क्लिक करें और मोबाइल डिवाइस पर परिणाम देखें।