If service is on check out is visible if not check in is visible . (Done)

Check in will be invisible only if inside location or else not . (Done)

Service and location tracking notification is only active when the user is within 400 metres of the precise location . Service , notification and the check out button will not work when the user is outside 400 metres to the precise location . (Done)

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

@@ -47,7 +47,7 @@ public class MyLocationService extends Service {
         System.out.println("Inside my location service");
 
         locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
-        addNotification();
+        //addNotification();
         trackGPS();
 
 
@@ -70,7 +70,7 @@ public class MyLocationService extends Service {
                 } else {
                     getLocation();
                 }*/
-
+                locationNotification();
                 Toast.makeText(getApplicationContext(),"You are currently near location",Toast.LENGTH_LONG).show();
 
             }
@@ -160,8 +160,8 @@ public class MyLocationService extends Service {
 
         mBuilder.setContentIntent(pendingIntent);
         mBuilder.setSmallIcon(R.mipmap.ic_launcher);
-        mBuilder.setContentTitle("Service started");
-        mBuilder.setContentText("Location getting tracked");
+        mBuilder.setContentTitle("Location notification");
+        mBuilder.setContentText("Entered location perimeter");
         mBuilder.setPriority(Notification.PRIORITY_MAX);
         mBuilder.setStyle(bigText);
 
@@ -181,7 +181,7 @@ public class MyLocationService extends Service {
         }
 
         mNotificationManager.notify(0, mBuilder.build());
-        System.out.println("Inside add notific");
+        System.out.println("Inside location notification");
         /*NotificationCompat.Builder builder =
                 new NotificationCompat.Builder(this)
                         .setSmallIcon(R.drawable.ic_launcher_background)

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

@@ -2,9 +2,14 @@ package ru.visionlab.femdemo;
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
+import androidx.core.app.NotificationCompat;
 
 import android.app.ActivityManager;
 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.content.Context;
 import android.content.DialogInterface;
@@ -14,6 +19,7 @@ import android.graphics.Color;
 import android.graphics.drawable.ColorDrawable;
 import android.location.Location;
 import android.location.LocationManager;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.Settings;
@@ -81,14 +87,14 @@ public class CheckInActivity extends AppCompatActivity {
                 startService(new Intent(CheckInActivity.this, MyLocationService.class));
                 progressDialog.dismiss();*/
 
-                btnCheckIn.setVisibility(View.INVISIBLE);
+
 
 
             }
         });
 
         btncheckOut = findViewById(R.id.btncheckOut);
-
+        btncheckOut.setVisibility(View.INVISIBLE);
 
         btncheckOut.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -96,6 +102,7 @@ public class CheckInActivity extends AppCompatActivity {
                 Toast.makeText(CheckInActivity.this,"Stopping service",Toast.LENGTH_LONG).show();
                 stopService(new Intent(CheckInActivity.this, MyLocationService.class));
                 btnCheckIn.setVisibility(View.VISIBLE);
+                btncheckOut.setVisibility(View.INVISIBLE);
             }
         });
 
@@ -260,11 +267,11 @@ public class CheckInActivity extends AppCompatActivity {
                 double lat=LocationNetwork.getLatitude();
                 double longi=LocationNetwork.getLongitude();
 
-                /*double newLat = 22.5135;
-                double newLong = 88.4029;*/
+                double newLat = 22.5118;
+                double newLong = 88.4001;
 
-                double newLat = 22.5150;
-                double newLong = 88.3930;
+                /*double newLat = 22.5150;
+                double newLong = 88.3930;  */
 
                 float[] results = new float[1];
                 Location.distanceBetween(lat,longi,newLat,newLong,results);
@@ -305,9 +312,11 @@ public class CheckInActivity extends AppCompatActivity {
     }
 
     public void moreThanFour(){
+
+        stopService(new Intent(CheckInActivity.this, MyLocationService.class));
         btncheckOut.setClickable(false);
         new SweetAlertDialog(this, SweetAlertDialog.WARNING_TYPE)
-                .setTitleText("Are you sure you are near location?")
+                .setTitleText("Stopping service as you are not in location")
                 .setContentText("Please be in your precise location")
                 .setConfirmText("OK").setConfirmText("OK").setConfirmClickListener(new SweetAlertDialog.OnSweetClickListener() {
                     @Override
@@ -318,6 +327,49 @@ public class CheckInActivity extends AppCompatActivity {
                 .show();
     }
 
+    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");
+
+    }
+
     public void lessThanFour(){
         progressDialog = new ProgressDialog(CheckInActivity.this);
         progressDialog.setTitle("");
@@ -325,10 +377,13 @@ public class CheckInActivity extends AppCompatActivity {
         progressDialog.show();
 
 
+        addNotification();
+
 
         startService(new Intent(CheckInActivity.this, MyLocationService.class));
         progressDialog.dismiss();
-
+        btnCheckIn.setVisibility(View.INVISIBLE);
+        btncheckOut.setVisibility(View.VISIBLE);
         new SweetAlertDialog(this, SweetAlertDialog.SUCCESS_TYPE)
                 .setTitleText("You are currently near location")
                 .setContentText("Attendance can be captured now")