<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="raj.sujeet.com.example.GPSActivity"
android:weightSum="1">
<Button
android:id="@+id/getLL"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="get Lati/long"
tools:layout_editor_absoluteX="39dp"
tools:layout_editor_absoluteY="28dp"
android:layout_marginTop="10dp"
tools:ignore="MissingConstraints"
android:layout_weight="0.01" />
<EditText
android:id="@+id/latitude"
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<EditText
android:id="@+id/longitude"
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<Button
android:id="@+id/getLocation"
android:layout_marginTop="20dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="get location" />
<TextView
android:layout_margin="10dp"
android:id="@+id/result"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
GPSActivity.java
public class GPSActivity extends AppCompatActivity {
Button getLL,getlocation;
EditText latitudeLL,longitudeLL;
String lati,longi;
TextView result;
Geocoder geocoder;
List<Address> addressList;
// GPSTracker class GPSTracker gps;
Context mContext;
double latitude,longitude;
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_gps);
result = (TextView)findViewById(R.id.result);
geocoder = new Geocoder(this, Locale.getDefault());
latitudeLL = (EditText)findViewById(R.id.latitude);
longitudeLL = (EditText)findViewById(R.id.longitude);
getlocation = (Button)findViewById(R.id.getLocation);
mContext = this;
getLL = (Button)findViewById(R.id.getLL);
getLL.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
if (ContextCompat.checkSelfPermission(mContext,
Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED
&& ActivityCompat.checkSelfPermission(mContext,
Manifest.permission.ACCESS_COARSE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(GPSActivity.this,
new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
} else {
Toast.makeText(mContext, "You need have granted permission",
Toast.LENGTH_SHORT).show();
gps = new GPSTracker(mContext, GPSActivity.this);
// Check if GPS enabled
if (gps.canGetLocation()) {
latitude = gps.getLatitude();
longitude = gps.getLongitude();
// \n is for new line
Toast.makeText(getApplicationContext(),
"Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();
lati = Double.toString(latitude);
longi = Double.toString(longitude);
latitudeLL.setText(lati);
longitudeLL.setText(longi);
} else {
// Can't get location.
// GPS or network is not enabled.
// Ask user to enable GPS/network in settings.
gps.showSettingsAlert();
}
}
}
});
getlocation.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
try {
addressList = geocoder.getFromLocation(latitude,longitude,1);
String addressStr = addressList.get(0).getAddressLine(0);
String areaStr = addressList.get(0).getLocality();
String cityStr = addressList.get(0).getAdminArea();
String countryStr = addressList.get(0).getCountryName();
String postalcodeStr = addressList.get(0).getPostalCode();
String fullAddress = addressStr+", "+areaStr+", "+cityStr+", "+countryStr+", "+postalcodeStr;
result.setText(fullAddress);
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
@Override public void onRequestPermissionsResult(int requestCode, String[] permissions,
int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case 1: {
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// contacts-related task you need to do.
gps = new GPSTracker(mContext, GPSActivity.this);
// Check if GPS enabled
if (gps.canGetLocation()) {
double latitude = gps.getLatitude();
double longitude = gps.getLongitude();
// \n is for new line
Toast.makeText(getApplicationContext(),
"Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();
} else {
// Can't get location.
// GPS or network is not enabled.
// Ask user to enable GPS/network in settings.
gps.showSettingsAlert();
}
} else {
// permission denied, boo! Disable the
// functionality that depends on this permission.
Toast.makeText(mContext, "You need to grant permission",
Toast.LENGTH_SHORT).show();
}
return;
}
}
}
}
GPSTracker.java
package raj.sujeet.com.example;
import android.Manifest;
import android.app.Activity;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.util.Log;
/** * Created by Sujeet Raj on 09-07-2017. */
public class GPSTracker extends Service {
private Context mContext;
// Flag for GPS status
boolean isGPSEnabled = false;
// Flag for network status
boolean isNetworkEnabled = false;
// Flag for GPS status
boolean canGetLocation = false;
Location location;
// Location
double latitude;
// Latitude
double longitude;
// Longitude
// The minimum distance to change Updates in meters
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 1000;
// 10 meters
// The minimum time between updates in milliseconds
private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1;
// 1 minute
// Declaring a Location Manager protected LocationManager locationManager;
Activity activity;
public GPSTracker() {
}
public GPSTracker(Context context, Activity activity) {
this.mContext = context;
this.activity = activity;
getLocation();
}
public Location getLocation() {
try {
locationManager = (LocationManager) mContext.getSystemService(LOCATION_SERVICE);
// Getting GPS status
isGPSEnabled = locationManager
.isProviderEnabled(LocationManager.GPS_PROVIDER);
// Getting network status
isNetworkEnabled = locationManager
.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
if (!isGPSEnabled && !isNetworkEnabled) {
// No network provider is enabled
} else {
this.canGetLocation = true;
if (isNetworkEnabled) {
int requestPermissionsCode = 50;
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, mLocationListener);
Log.d("Network", "Network");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
}
// If GPS enabled, get latitude/longitude using GPS Services
if (isGPSEnabled) {
if (location == null) {
if (ContextCompat.checkSelfPermission(activity,
Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(activity, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 50);
} else {
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, mLocationListener);
Log.d("GPS Enabled", "GPS Enabled");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return location;
}
/** * Stop using GPS listener
* Calling this function will stop using GPS in your app.
*/
public void stopUsingGPS() {
}
private final LocationListener mLocationListener = new LocationListener() {
@Override public void onLocationChanged(final Location location) {
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
@Override public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override public void onProviderEnabled(String provider) {
}
@Override public void onProviderDisabled(String provider) {
}
};
/**
* Function to get latitude
*/
public double getLatitude() {
if (location != null) {
latitude = location.getLatitude();
}
// return latitude
return latitude;
}
/** * Function to get longitude
*/
public double getLongitude() {
if (location != null) {
longitude = location.getLongitude();
}
// return longitude
return longitude;
}
/** * Function to check GPS/Wi-Fi enabled *
* @return boolean */
public boolean canGetLocation() {
return this.canGetLocation;
}
/** * Function to show settings alert dialog.
* On pressing the Settings button it will launch Settings Options. */
public void showSettingsAlert() {
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
// Setting Dialog Title
alertDialog.setTitle("GPS is settings");
// Setting Dialog Message
alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");
// On pressing the Settings button.
alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(intent);
}
});
// On pressing the cancel button
alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
// Showing Alert Message
alertDialog.show();
}
@Override public IBinder onBind(Intent arg0) {
return null;
}
}
