On pressing the logout button ,the app is checking whether location service is running or not .

On pressing the Check in button it disappears and reappears when the check out button is pressed .

On pressing the back button on the login activity the app exits .

Service starting only when the Check in button is pressed .

Check out button cannot be pressed outside range .

examples/example_bestshot/example/app/src/main/AndroidManifest.xml

@@ -17,6 +17,8 @@
     <uses-feature android:name="android.hardware.camera.autofocus" />
     <uses-feature android:name="android.hardware.camera.flash" />
 
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+
     <application
         android:name=".App"
         android:allowBackup="false"
@@ -73,6 +75,7 @@
         <activity
             android:name=".authentication.AuthSuccessActivity"
             android:screenOrientation="portrait" />
+        <service android:name="ru.Service.MyLocationService"/>
     </application>
 
 </manifest>

examples/example_bestshot/example/app/src/main/java/ru/Service/MyLocationService.java

@@ -0,0 +1,355 @@
+package ru.Service;
+
+import android.app.AlertDialog;
+import android.app.Notification;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.app.ProgressDialog;
+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.LocationManager;
+import android.os.Build;
+import android.os.Handler;
+import android.os.IBinder;
+import android.provider.Settings;
+import android.widget.Toast;
+
+import androidx.annotation.Nullable;
+import androidx.core.app.ActivityCompat;
+import androidx.core.app.NotificationCompat;
+
+import ru.visionlab.femdemo.CheckInActivity;
+import ru.visionlab.femdemo.R;
+
+public class MyLocationService extends Service {
+
+    LocationManager locationManager;
+    private static final int REQUEST_LOCATION = 1;
+    String latitude, longitude;
+    ProgressDialog progressDialog;
+
+
+    Handler handler = new Handler();
+    Runnable runnable;
+    int delay = 10000;
+
+    @Override
+
+    // execution of service will start
+    // on calling this method
+    public int onStartCommand(Intent intent, int flags, int startId) {
+
+        System.out.println("Inside my location service");
+
+        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
+        addNotification();
+        trackGPS();
+
+
+
+        // returns the status
+        // of the program
+        return START_STICKY;
+    }
+
+    private void trackGPS() {
+        handler.postDelayed(runnable = new Runnable() {
+            public void run() {
+                handler.postDelayed(runnable, delay);
+                System.out.println("Inside handler");
+                            /*Intent intent = new Intent(MainActivity.this,MyLocationService.class);
+                            startService(intent);*/
+
+                /*if (!locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
+                    OnGPS();
+                } else {
+                    getLocation();
+                }*/
+
+                Toast.makeText(getApplicationContext(),"You are currently near location",Toast.LENGTH_LONG).show();
+
+            }
+        }, delay);
+    }
+
+    @Override
+
+    // execution of the service will
+    // stop on calling this method
+    public void onDestroy() {
+        handler.removeCallbacks(runnable);
+        super.onDestroy();
+    }
+    private void addNotification() {
+
+        System.out.println("Inside addNotification");
+
+        NotificationManager mNotificationManager;
+
+        NotificationCompat.Builder mBuilder =
+                new NotificationCompat.Builder(getApplicationContext(), "notify_001");
+        Intent ii = new Intent(getApplicationContext(), CheckInActivity.class);
+        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, ii,  PendingIntent.FLAG_IMMUTABLE);
+
+        NotificationCompat.BigTextStyle bigText = new NotificationCompat.BigTextStyle();
+
+        bigText.setBigContentTitle("Service started ");
+        bigText.setSummaryText("Location getting tracked ");
+
+        mBuilder.setContentIntent(pendingIntent);
+        mBuilder.setSmallIcon(R.mipmap.ic_launcher);
+        mBuilder.setContentTitle("Service started");
+        mBuilder.setContentText("Location getting tracked");
+        mBuilder.setPriority(Notification.PRIORITY_MAX);
+        mBuilder.setStyle(bigText);
+
+        mNotificationManager =
+                (NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
+
+// === Removed some obsoletes
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+        {
+            String channelId = "Your_channel_id";
+            NotificationChannel channel = new NotificationChannel(
+                    channelId,
+                    "Channel human readable title",
+                    NotificationManager.IMPORTANCE_HIGH);
+            mNotificationManager.createNotificationChannel(channel);
+            mBuilder.setChannelId(channelId);
+        }
+
+        mNotificationManager.notify(0, mBuilder.build());
+        System.out.println("Inside add notific");
+        /*NotificationCompat.Builder builder =
+                new NotificationCompat.Builder(this)
+                        .setSmallIcon(R.drawable.ic_launcher_background)
+                        .setContentTitle("Notifications Example")
+                        .setContentText("This is a test notification")
+                        .setPriority(NotificationCompat.PRIORITY_DEFAULT);
+
+        Intent notificationIntent = new Intent(this, MainActivity.class);
+        PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent,
+                PendingIntent.FLAG_IMMUTABLE);
+        builder.setContentIntent(contentIntent);
+
+        // Add as notification
+        NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+        manager.notify(0, builder.build());*/
+    }
+
+    private void locationNotification() {
+
+        System.out.println("Inside addNotification");
+
+        NotificationManager mNotificationManager;
+
+        NotificationCompat.Builder mBuilder =
+                new NotificationCompat.Builder(getApplicationContext(), "notify_001");
+        Intent ii = new Intent(getApplicationContext(), CheckInActivity.class);
+        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, ii,  PendingIntent.FLAG_IMMUTABLE);
+
+        NotificationCompat.BigTextStyle bigText = new NotificationCompat.BigTextStyle();
+
+        bigText.setBigContentTitle("Location notification");
+        bigText.setSummaryText("Entered location perimeter");
+
+        mBuilder.setContentIntent(pendingIntent);
+        mBuilder.setSmallIcon(R.mipmap.ic_launcher);
+        mBuilder.setContentTitle("Service started");
+        mBuilder.setContentText("Location getting tracked");
+        mBuilder.setPriority(Notification.PRIORITY_MAX);
+        mBuilder.setStyle(bigText);
+
+        mNotificationManager =
+                (NotificationManager) getApplicationContext().getSystemService(Context.NOTIFICATION_SERVICE);
+
+// === Removed some obsoletes
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
+        {
+            String channelId = "Your_channel_id";
+            NotificationChannel channel = new NotificationChannel(
+                    channelId,
+                    "Channel human readable title",
+                    NotificationManager.IMPORTANCE_HIGH);
+            mNotificationManager.createNotificationChannel(channel);
+            mBuilder.setChannelId(channelId);
+        }
+
+        mNotificationManager.notify(0, mBuilder.build());
+        System.out.println("Inside add notific");
+        /*NotificationCompat.Builder builder =
+                new NotificationCompat.Builder(this)
+                        .setSmallIcon(R.drawable.ic_launcher_background)
+                        .setContentTitle("Notifications Example")
+                        .setContentText("This is a test notification")
+                        .setPriority(NotificationCompat.PRIORITY_DEFAULT);
+
+        Intent notificationIntent = new Intent(this, MainActivity.class);
+        PendingIntent contentIntent = PendingIntent.getActivity(this, 0, notificationIntent,
+                PendingIntent.FLAG_IMMUTABLE);
+        builder.setContentIntent(contentIntent);
+
+        // Add as notification
+        NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
+        manager.notify(0, builder.build());*/
+    }
+
+    private void getLocation() {
+        //Check Permissions again
+
+
+
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.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;
+        }
+        Location LocationGps = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
+        Location LocationNetwork=locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
+        Location LocationPassive=locationManager.getLastKnownLocation(LocationManager.PASSIVE_PROVIDER);
+
+        if (LocationGps !=null)
+        {
+            double lat=LocationGps.getLatitude();
+            double longi=LocationGps.getLongitude();
+            double newLat = 22.5747;
+            double newLong = 88.4338;
+
+            /*double newLat = 22.5796;
+            double newLong = 88.4383;*/
+
+            float[] results = new float[1];
+            Location.distanceBetween(lat,longi,newLat,newLong,results);
+            float distance = results[0];
+            Toast.makeText(this,String.valueOf(distance)+" metres from location",Toast.LENGTH_LONG).show();
+            if(distance > 400){
+                Toast.makeText(this,"You are outside location range",Toast.LENGTH_LONG).show();
+                System.out.println("You are outside location range");
+                System.out.println("Position 1 ");
+                //moreThanFour();
+            }
+            else{
+                Toast.makeText(this,"You are inside location range",Toast.LENGTH_LONG).show();
+                locationNotification();
+                System.out.println("You are inside location range");
+                System.out.println("Position 2 ");
+                //lessThanFour();
+            }
+            latitude=String.valueOf(lat);
+            longitude=String.valueOf(longi);
+
+            latitude=String.valueOf(lat);
+            longitude=String.valueOf(longi);
+
+
+            System.out.println("Inside getLocation");
+
+        }
+        else if (LocationNetwork !=null)
+        {
+            System.out.println("Position 3 ");
+            double lat=LocationNetwork.getLatitude();
+            double longi=LocationNetwork.getLongitude();
+
+            double newLat = 22.5747;
+            double newLong = 88.4338;
+            /*double newLat = 22.5135;
+            double newLong = 88.4029;*/
+
+            float[] results = new float[1];
+            Location.distanceBetween(lat,longi,newLat,newLong,results);
+            float distance = results[0];
+            Toast.makeText(this,String.valueOf(distance)+" metres from location",Toast.LENGTH_LONG).show();
+            if(distance > 400){
+                Toast.makeText(this,"You are outside location range",Toast.LENGTH_LONG).show();
+                System.out.println("You are outside location range");
+                //moreThanFour();
+            }
+            else{
+                Toast.makeText(this,"You are inside location range",Toast.LENGTH_LONG).show();
+                System.out.println("You are inside location range");
+                //lessThanFour();
+            }
+            latitude=String.valueOf(lat);
+            longitude=String.valueOf(longi);
+
+            latitude=String.valueOf(lat);
+            longitude=String.valueOf(longi);
+
+
+        }
+        else if (LocationPassive !=null)
+        {
+            double lat=LocationPassive.getLatitude();
+            double longi=LocationPassive.getLongitude();
+
+            latitude=String.valueOf(lat);
+            longitude=String.valueOf(longi);
+
+
+        }
+        else
+        {
+            // Toast.makeText(this, "Can't Get Your Location", Toast.LENGTH_SHORT).show();
+
+            double lat=LocationNetwork.getLatitude();
+            double longi=LocationNetwork.getLongitude();
+
+            double newLat = 22.5747;
+            double newLong = 88.4338;
+
+            float[] results = new float[1];
+            Location.distanceBetween(lat,longi,newLat,newLong,results);
+            float distance = results[0];
+            Toast.makeText(this,String.valueOf(distance)+" metres from location",Toast.LENGTH_LONG).show();
+            if(distance > 400){
+                Toast.makeText(this,"You are outside location range",Toast.LENGTH_LONG).show();
+                System.out.println("You are outside location range");
+                //moreThanFour();
+            }
+            else{
+                Toast.makeText(this,"You are inside location range",Toast.LENGTH_LONG).show();
+                System.out.println("You are inside location range");
+                //lessThanFour();
+            }
+        }
+
+        //Thats All Run Your App
+    }
+
+    private void OnGPS() {
+
+        final AlertDialog.Builder builder= new AlertDialog.Builder(this);
+
+        builder.setMessage("Enable GPS").setCancelable(false).setPositiveButton("YES", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                startActivity(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS));
+            }
+        }).setNegativeButton("NO", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+
+                dialog.cancel();
+            }
+        });
+        final AlertDialog alertDialog=builder.create();
+        alertDialog.show();
+        System.out.println("Inside OnGPS");
+    }
+    @Nullable
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+}

examples/example_bestshot/example/app/src/main/java/ru/visionlab/femdemo/CheckInActivity.java

@@ -3,7 +3,9 @@ package ru.visionlab.femdemo;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 
+import android.app.ActivityManager;
 import android.app.AlertDialog;
+import android.app.ProgressDialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -13,6 +15,7 @@ import android.graphics.drawable.ColorDrawable;
 import android.location.Location;
 import android.location.LocationManager;
 import android.os.Bundle;
+import android.os.Handler;
 import android.provider.Settings;
 import android.view.Gravity;
 import android.view.LayoutInflater;
@@ -26,6 +29,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import cn.pedant.SweetAlert.SweetAlertDialog;
+import ru.Service.MyLocationService;
 import ru.visionlab.femdemo.login.LoginActivity;
 import ru.visionlab.femdemo.register.RegisterActivityNew;
 import ru.visionlab.femdemo.views.EmployeeActivity;
@@ -39,10 +43,18 @@ public class CheckInActivity extends AppCompatActivity {
 
     AlertDialog dialogBuilder;
 
-    Button btnCheckIn;
+    Button btnCheckIn,btncheckOut;
 
     LocationManager locationManager;
     String latitude,longitude;
+
+    ProgressDialog progressDialog;
+
+    Handler handler = new Handler();
+    Runnable runnable;
+    int delay = 10000;
+
+    float distance;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -59,6 +71,31 @@ public class CheckInActivity extends AppCompatActivity {
 
                 location();
 
+                /*progressDialog = new ProgressDialog(CheckInActivity.this);
+                progressDialog.setTitle("");
+                progressDialog.setMessage("Loading this Content, please wait!");
+                progressDialog.show();
+
+                location();
+
+                startService(new Intent(CheckInActivity.this, MyLocationService.class));
+                progressDialog.dismiss();*/
+
+                btnCheckIn.setVisibility(View.INVISIBLE);
+
+
+            }
+        });
+
+        btncheckOut = findViewById(R.id.btncheckOut);
+
+
+        btncheckOut.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Toast.makeText(CheckInActivity.this,"Stopping service",Toast.LENGTH_LONG).show();
+                stopService(new Intent(CheckInActivity.this, MyLocationService.class));
+                btnCheckIn.setVisibility(View.VISIBLE);
             }
         });
 
@@ -66,9 +103,27 @@ public class CheckInActivity extends AppCompatActivity {
         logout.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
+
+
+                if (isMyServiceRunning(MyLocationService.class)){
+                    new SweetAlertDialog(CheckInActivity.this, SweetAlertDialog.WARNING_TYPE)
+                            .setTitleText("Location service is running in the background")
+                            .setContentText("Please stop the service to logout")
+                            .setConfirmText("OK").setConfirmText("OK").setConfirmClickListener(new SweetAlertDialog.OnSweetClickListener() {
+                                @Override
+                                public void onClick(SweetAlertDialog sDialog) {
+                                    sDialog.dismissWithAnimation();
+                                }
+                            })
+                            .show();
+                }
+                else {
+                    Toast.makeText(CheckInActivity.this,"Logging out",Toast.LENGTH_LONG).show();
                     Intent intent = new Intent(CheckInActivity.this, LoginActivity.class);
                     startActivity(intent);
                 }
+
+            }
         });
 
         menu = findViewById(R.id.menu);
@@ -114,6 +169,16 @@ public class CheckInActivity extends AppCompatActivity {
 
     }
 
+    private boolean isMyServiceRunning(Class<?> serviceClass) {
+        ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
+        for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
+            if (serviceClass.getName().equals(service.service.getClassName())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public void location(){
         locationManager=(LocationManager) getSystemService(Context.LOCATION_SERVICE);
         //Check gps is enable or not
@@ -171,6 +236,20 @@ public class CheckInActivity extends AppCompatActivity {
                 double lat=LocationGps.getLatitude();
                 double longi=LocationGps.getLongitude();
 
+                double newLat = 22.5150;
+                double newLong = 88.3930;
+
+                float[] results = new float[1];
+                Location.distanceBetween(lat,longi,newLat,newLong,results);
+                distance = results[0];
+                Toast.makeText(this,String.valueOf(distance)+" metres from location",Toast.LENGTH_SHORT).show();
+                if(distance > 400){
+                    moreThanFour();
+                }
+                else{
+                    lessThanFour();
+                }
+
                 latitude=String.valueOf(lat);
                 longitude=String.valueOf(longi);
                 System.out.println("Position 1");
@@ -195,6 +274,7 @@ public class CheckInActivity extends AppCompatActivity {
                     moreThanFour();
                 }
                 else{
+
                     lessThanFour();
                 }
                 latitude=String.valueOf(lat);
@@ -225,6 +305,7 @@ public class CheckInActivity extends AppCompatActivity {
     }
 
     public void moreThanFour(){
+        btncheckOut.setClickable(false);
         new SweetAlertDialog(this, SweetAlertDialog.WARNING_TYPE)
                 .setTitleText("Are you sure you are near location?")
                 .setContentText("Please be in your precise location")
@@ -238,6 +319,16 @@ public class CheckInActivity extends AppCompatActivity {
     }
 
     public void lessThanFour(){
+        progressDialog = new ProgressDialog(CheckInActivity.this);
+        progressDialog.setTitle("");
+        progressDialog.setMessage("Loading this Content, please wait!");
+        progressDialog.show();
+
+
+
+        startService(new Intent(CheckInActivity.this, MyLocationService.class));
+        progressDialog.dismiss();
+
         new SweetAlertDialog(this, SweetAlertDialog.SUCCESS_TYPE)
                 .setTitleText("You are currently near location")
                 .setContentText("Attendance can be captured now")

examples/example_bestshot/example/app/src/main/java/ru/visionlab/femdemo/login/LoginActivity.java

@@ -79,6 +79,8 @@ public class LoginActivity extends BaseActivity {
 
     LinearLayoutCompat lay_licence_verify;
 
+    private long pressedTime;
+
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -465,6 +467,12 @@ public class LoginActivity extends BaseActivity {
 
     @Override
     public void onBackPressed () {
-
+        if (pressedTime + 2000 > System.currentTimeMillis()) {
+            super.onBackPressed();
+            finish();
+        } else {
+            Toast.makeText(getBaseContext(), "Press back again to exit", Toast.LENGTH_SHORT).show();
+        }
+        pressedTime = System.currentTimeMillis();
     }
 }

examples/example_bestshot/example/app/src/main/res/layout/activity_checkin.xml

@@ -60,6 +60,7 @@
         android:gravity="center"/>
 
     <Button
+        android:id="@+id/btncheckOut"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="20dp"