Smart Lab App

app/src/main/java/com/smi/smartlab/About.java

@@ -0,0 +1,22 @@
+package com.smi.smartlab;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+
+
+public class About extends NavigationTop {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        LayoutInflater inflater = (LayoutInflater) this
+                .getSystemService(LAYOUT_INFLATER_SERVICE);
+        View contentView = inflater.inflate(R.layout.activity_about, null, false);
+        draw.addView(contentView, 0);
+
+        //setContentView(R.layout.activity_about);
+    }
+
+
+}

app/src/main/java/com/smi/smartlab/FontAwesome.java

@@ -0,0 +1,35 @@
+package com.smi.smartlab;
+
+
+import android.content.Context;
+import android.graphics.Typeface;
+import android.util.AttributeSet;
+
+import androidx.appcompat.widget.AppCompatTextView;
+
+public class FontAwesome extends AppCompatTextView {
+
+
+    public FontAwesome(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init();
+    }
+
+    public FontAwesome(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public FontAwesome(Context context) {
+        super(context);
+        init();
+    }
+
+    private void init() {
+
+        Typeface tf = Typeface.createFromAsset(getContext().getAssets(),
+                "fa-solid-900.ttf");
+        setTypeface(tf);
+    }
+
+}

app/src/main/java/com/smi/smartlab/GPS_Location.java

@@ -0,0 +1,218 @@
+package com.smi.smartlab;
+
+import android.annotation.SuppressLint;
+import android.os.Bundle;
+import android.util.Log;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.android.volley.Request;
+import com.android.volley.RequestQueue;
+import com.android.volley.Response;
+import com.android.volley.VolleyError;
+import com.android.volley.toolbox.StringRequest;
+import com.android.volley.toolbox.Volley;
+import com.mapbox.mapboxsdk.Mapbox;
+import com.mapbox.mapboxsdk.annotations.Icon;
+import com.mapbox.mapboxsdk.annotations.IconFactory;
+import com.mapbox.mapboxsdk.annotations.MarkerOptions;
+import com.mapbox.mapboxsdk.camera.CameraPosition;
+import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
+import com.mapbox.mapboxsdk.geometry.LatLng;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.maps.Style;
+import com.mapbox.mapboxsdk.plugins.markerview.MarkerView;
+
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+public class GPS_Location extends AppCompatActivity {
+    private MapView mapView;
+    RequestQueue queue;
+    TextView text1, text2;
+    String lat, lag;
+    String URL = "http://13.127.144.213/webservice?token=getLiveData&user=shanmukha&pass=123456&format=json";
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Mapbox.getInstance(this, getString(R.string.mapbox_access_token));
+
+        setContentView(R.layout.activity_gps_location);
+        queue = Volley.newRequestQueue(this);
+        text1 = findViewById(R.id.text1);
+        text2 = findViewById(R.id.text2);
+
+        mapView = (MapView) findViewById(R.id.mapView);
+        mapView.onCreate(savedInstanceState);
+
+        Thread t = new Thread() {
+
+
+            @Override
+            public void run() {
+
+                while (!isInterrupted()) {
+
+                    try {
+                        Thread.sleep(10);  //1000ms = 1 sec
+
+                        runOnUiThread(new Runnable() {
+
+                            @Override
+                            public void run() {
+                                loc();
+                            }
+                        });
+
+                    } catch (InterruptedException e) {
+                        e.printStackTrace();
+                    }
+
+                }
+            }
+        };
+
+        t.start();
+
+
+    }
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        mapView.onStart();
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        mapView.onResume();
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        mapView.onPause();
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        mapView.onStop();
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mapView.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public void onLowMemory() {
+        super.onLowMemory();
+        mapView.onLowMemory();
+    }
+
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        mapView.onDestroy();
+    }
+
+    public void loc() {
+
+        StringRequest request = new StringRequest(Request.Method.GET, URL, new Response.Listener<String>() {
+            @Override
+            public void onResponse(String response) {
+                // textView.setText(response.toString());
+                try {
+
+
+                    JSONObject jObject = new JSONObject(response).getJSONObject("root");
+
+
+                    JSONArray jsonarray = jObject.getJSONArray("VehicleData");
+
+
+                    for (int i = 0; i < jsonarray.length(); i++) {
+                        JSONObject jsonobject = jsonarray.getJSONObject(i);
+                        String lat = jsonobject.getString("Latitude");
+                        String lag = jsonobject.getString("Longitude");
+                        String tex = jsonobject.getString("Location");
+                        String speed = jsonobject.getString("Speed");
+
+                        text1.setText(tex);
+                        text2.setText("Speed :" + speed + "Km/h");
+
+                        Log.e("lat,long", lat);
+                        Log.e("long", lag);
+                        mapx(lat, lag);
+
+
+                    }
+
+
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
+            }
+        }, new Response.ErrorListener() {
+            @Override
+            public void onErrorResponse(VolleyError error) {
+                Log.d("error", error.toString());
+            }
+        });
+        queue.add(request);
+
+    }
+
+    public void mapx(String lat, String lag) {
+
+        mapView.getMapAsync(new OnMapReadyCallback() {
+            @Override
+            public void onMapReady(@NonNull MapboxMap mapboxMap) {
+                mapboxMap.setStyle(Style.MAPBOX_STREETS, new Style.OnStyleLoaded() {
+                    @Override
+                    public void onStyleLoaded(@NonNull Style style) {
+
+                        mapboxMap.clear();
+
+
+                        IconFactory iconFactory = IconFactory.getInstance(GPS_Location.this);
+
+                        Icon icons = iconFactory.fromResource(R.drawable.mapbox_marker_icon_default);
+                        @SuppressLint("Range") CameraPosition position = new CameraPosition.Builder()
+                                .target(new LatLng(Double.parseDouble(lat), Double.parseDouble(lag)))
+                                .zoom(12)
+                                .tilt(15)
+                                .build();
+// Add the marker to the map
+                        MarkerView marker_inter;
+                        mapboxMap.animateCamera(CameraUpdateFactory.newCameraPosition(position), 500);
+
+                        mapboxMap.addMarker(new MarkerOptions()
+                                .getThis()
+
+
+                                .position(new LatLng(Double.parseDouble(lat), Double.parseDouble(lag)))
+
+
+                                .icon(icons));
+
+
+                    }
+                });
+
+            }
+        });
+
+    }
+
+
+}

app/src/main/java/com/smi/smartlab/Home.java

@@ -0,0 +1,38 @@
+package com.smi.smartlab;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.Button;
+
+
+public class Home extends NavigationTop {
+private Button add_gps,add_sensors;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        LayoutInflater inflater = (LayoutInflater) this
+                .getSystemService(LAYOUT_INFLATER_SERVICE);
+        View contentView = inflater.inflate(R.layout.activity_home, null, false);
+        draw.addView(contentView, 0);
+        add_gps=findViewById(R.id.add_gps);
+        add_sensors=findViewById(R.id.add_sensors);
+        add_gps.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent=new Intent (Home.this, GPS_Location.class);
+                startActivity(intent);
+            }
+        });
+        add_sensors.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent=new Intent (Home.this, Lab_Metrics.class);
+                startActivity(intent);
+            }
+        });
+
+
+    }
+}

app/src/main/java/com/smi/smartlab/Lab_Metrics.java

@@ -0,0 +1,93 @@
+package com.smi.smartlab;
+
+import android.os.Bundle;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+
+public class Lab_Metrics extends AppCompatActivity {
+
+
+    FirebaseDatabase firebaseDatabase;
+
+    DatabaseReference databaseReference;
+    DatabaseReference databaseReference2;
+
+    private TextView retrieveTemp;
+    private TextView retrieveHum;
+    private TextView adc;
+    private TextView retrieveTemp2;
+    private TextView retrieveHum2;
+    private TextView adc2;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_lab);
+
+
+        firebaseDatabase = FirebaseDatabase.getInstance();
+
+
+        databaseReference = firebaseDatabase.getReference("Data").child("smi").child("van1").child("compartment_1").child("sensor_data");
+        databaseReference2 = firebaseDatabase.getReference("Data").child("smi").child("van1").child("compartment_2").child("sensor_data");
+
+        // initializing our object class variable.
+        retrieveTemp = findViewById(R.id.temp1);
+        retrieveHum = findViewById(R.id.humidity1);
+        adc = findViewById(R.id.gas1);
+
+        retrieveTemp2 = findViewById(R.id.temp2);
+        retrieveHum2 = findViewById(R.id.humidity2);
+        adc2 = findViewById(R.id.gas2);
+
+
+        // calling method
+        // for getting data.
+        getdata(databaseReference, retrieveTemp, retrieveHum, adc, "Zone 1 : ");
+        getdata(databaseReference2, retrieveTemp2, retrieveHum2, adc2, "Zone 2: ");
+
+    }
+
+    private void getdata(DatabaseReference d, TextView t1, TextView t2, TextView t3, String zone) {
+
+        // calling add value event listener method
+        // for getting the values from database.
+        d.addValueEventListener(new ValueEventListener() {
+            @Override
+            public void onDataChange(@NonNull DataSnapshot snapshot) {
+
+
+                Double temp1 = snapshot.child("temperature").getValue(Double.class);
+
+                Double ppm1 = snapshot.child("ppm").getValue(Double.class);
+                Double humidity1 = snapshot.child("humidity").getValue(Double.class);
+                String d1 = String.format("%.2f", temp1);
+                String d2 = String.format("%.2f", ppm1);
+                String d3 = String.format("%.2f", humidity1);
+
+
+                t1.setText(zone + d1 + "°C");
+                t2.setText(zone + d3 + "%");
+                t3.setText(zone + d2);
+
+
+            }
+
+            @Override
+            public void onCancelled(@NonNull DatabaseError error) {
+
+                Toast.makeText(Lab_Metrics.this, "Fail to get data.", Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+}

app/src/main/java/com/smi/smartlab/LoginScreen.java

@@ -0,0 +1,271 @@
+package com.smi.smartlab;
+
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.os.Bundle;
+import android.text.method.HideReturnsTransformationMethod;
+import android.text.method.PasswordTransformationMethod;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.CompoundButton;
+import android.widget.EditText;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.AppCompatCheckBox;
+
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.Query;
+import com.google.firebase.database.ValueEventListener;
+
+
+public class LoginScreen extends AppCompatActivity {
+
+    private TextView createaccount, forgetpassword;
+    private Button login;
+    private DatabaseReference databaseReference;
+    private EditText phonenumber, password;
+    String passworddata, phonenum, phonenumbers, name;
+    private ProgressDialog loadingBar;
+    public static final String Name = "nameKey";
+    public static final String Phone = "phoneKey";
+    private ImageButton close;
+    private AppCompatCheckBox checkbox;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login__screen);
+        createaccount = findViewById(R.id.createaccount);
+        phonenumber = findViewById(R.id.contactnumber);
+        checkbox = (AppCompatCheckBox) findViewById(R.id.showpassword);
+
+        password = findViewById(R.id.password);
+        checkbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean isChecked) {
+                if (isChecked) {
+                    // show password
+                    password.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
+                } else {
+                    // hide password
+                    password.setTransformationMethod(PasswordTransformationMethod.getInstance());
+                }
+            }
+        });
+
+        //  Paper.init(this);
+        loadingBar = new ProgressDialog(this);
+        // Paper.init(this);
+
+        login = findViewById(R.id.login);
+        forgetpassword = findViewById(R.id.forgetpassword);
+        forgetpassword.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                open();
+
+            }
+        });
+        login.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (!isOnline()) {
+                    //Create an alertdialog
+                    AlertDialog.Builder Checkbuilder = new AlertDialog.Builder(LoginScreen.this);
+                    Checkbuilder.setTitle("No Internet Connection !");
+                    Checkbuilder.setMessage("Check Your Internet Connection.");
+                    //Builder Retry Button
+
+                    Checkbuilder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int id) {
+
+                            dialog.cancel();
+                        }
+                    });
+
+                    Checkbuilder.setNegativeButton("Exit", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            finish();
+                        }
+                    });
+
+                    AlertDialog alert = Checkbuilder.create();
+                    alert.show();
+
+                } else {
+                    String mobile = phonenumber.getText().toString().trim();
+                    phonenum = mobile;
+                    final String passwordj = password.getText().toString().trim();
+
+
+                    if (mobile.equals("") || passwordj.equals("")) {
+                        Toast.makeText(LoginScreen.this, "Please enter all the required fields", Toast.LENGTH_SHORT).show();
+
+                    } else {
+                        loadingBar.setTitle("Login Account");
+                        loadingBar.setMessage("Please wait, while we are checking the credentials.");
+                        loadingBar.setCanceledOnTouchOutside(false);
+                        loadingBar.show();
+
+                        Query chekuser = FirebaseDatabase.getInstance().getReference("Companies").orderByChild("company_id").equalTo(phonenum);
+                        chekuser.addListenerForSingleValueEvent(new ValueEventListener() {
+                            @Override
+                            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
+                                if (dataSnapshot.exists()) {
+                                    String systempassword = dataSnapshot.child(phonenum).child("passkay").getValue(String.class);
+
+                                    if (systempassword.equals(passwordj)) {
+
+                                        Toast.makeText(LoginScreen.this, "logged in Successfully...", Toast.LENGTH_SHORT).show();
+                                        loadingBar.dismiss();
+
+                                        String name = dataSnapshot.child(phonenum).child("company_name").getValue(String.class);
+                                        String nid = dataSnapshot.child(phonenum).child("company_name").getValue(String.class);
+
+                                        Log.e("name", name);
+
+
+                                        SharedPreferences preferences = getSharedPreferences("PhoneBook_number", MODE_PRIVATE);
+                                        SharedPreferences.Editor editor = preferences.edit();
+
+                                        //   editor.putString(Name, phonenum);
+                                        editor.putString("Phone", phonenum);
+
+                                        editor.commit();
+
+
+                                        Intent intent = new Intent(LoginScreen.this, Home.class);
+
+
+                                        intent.putExtra("mobile", phonenum);
+
+                                        startActivity(intent);
+
+                                    } else {
+                                        loadingBar.dismiss();
+
+                                        Toast.makeText(LoginScreen.this, "Wrong Password", Toast.LENGTH_SHORT).show();
+                                    }
+                                } else {
+                                    loadingBar.dismiss();
+
+                                    Toast.makeText(LoginScreen.this, "No such user exists", Toast.LENGTH_SHORT).show();
+                                }
+
+                            }
+
+                            @Override
+                            public void onCancelled(@NonNull DatabaseError databaseError) {
+                                Toast.makeText(LoginScreen.this, databaseError.getMessage(), Toast.LENGTH_SHORT).show();
+
+                            }
+                        });
+
+
+                    }
+                }
+            }
+        });
+        createaccount.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                open();
+
+            }
+        });
+    }
+
+    private void net_check() {
+        if (!isOnline()) {
+
+            AlertDialog.Builder Checkbuilder = new AlertDialog.Builder(LoginScreen.this);
+            Checkbuilder.setTitle("Error!");
+            Checkbuilder.setMessage("Enable your internet connection and Retry ");
+
+            Checkbuilder.setPositiveButton("Retry", new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int id) {
+
+                    dialog.cancel();
+
+                }
+            });
+
+            Checkbuilder.setNegativeButton("Exit", new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            finish();
+                        }
+                    }
+            );
+
+            AlertDialog alert = Checkbuilder.create();
+            alert.show();
+
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+
+        finishAffinity();
+        finish();
+    }
+
+    public boolean isOnline() {
+        ConnectivityManager connMgr = (ConnectivityManager)
+                getSystemService(Context.CONNECTIVITY_SERVICE);
+        NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
+        return (networkInfo != null && networkInfo.isConnected());
+
+    }
+
+
+    public void open() {
+        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
+        alertDialogBuilder.setMessage("Contact Us :ShanMukha Innovations Pvt Ltd\n" +
+                "No. 25, 2nd floor, Ram Thulasi Chambers\n" +
+                "MS Ramaiah Road , Mathikere\n" +
+                "Bangalore, Karnataka 560054.\n" +
+                "\n" +
+                "Tel: +91 9742255674\n" +
+                "Email : info@sminnovations.in");
+        alertDialogBuilder.setPositiveButton("Okay",
+                new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface arg0, int arg1) {
+                        finish();
+
+                    }
+                });
+
+        alertDialogBuilder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                Intent intent = new Intent(LoginScreen.this, LoginScreen.class);
+                startActivity(intent);
+            }
+        });
+
+        AlertDialog alertDialog = alertDialogBuilder.create();
+        alertDialog.show();
+    }
+
+
+}

app/src/main/java/com/smi/smartlab/NavigationTop.java

@@ -0,0 +1,129 @@
+package com.smi.smartlab;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.drawerlayout.widget.DrawerLayout;
+
+import com.google.android.material.navigation.NavigationView;
+
+public class NavigationTop extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener {
+
+    protected DrawerLayout draw;
+    private LinearLayout line;
+    private Toolbar tool;
+
+    @Override
+    public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
+        switch (menuItem.getItemId())
+        {
+
+            case R.id.nav_contact_us:
+                Intent intent3=new Intent(this, About.class);
+                startActivity(intent3);
+                break;
+              // open();
+            case R.id.nav_home:
+                Intent intent2=new Intent(this, Home.class);
+                startActivity(intent2);
+                break;
+
+            case R.id.nav_logout:
+                Intent intent8=new Intent(this, LoginScreen.class);
+                SharedPreferences preferences = getSharedPreferences("PhoneBook_number", MODE_PRIVATE);
+                SharedPreferences.Editor editor = preferences.edit();
+
+                //   editor.putString(Name, phonenum);
+                editor.putString("Phone", null);
+                editor.putString("Name",null);
+
+
+                editor.commit();
+
+                startActivity(intent8);
+                break;
+
+        }
+        return true;
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
+
+        setContentView(R.layout.activity_navigation__top);
+
+
+        draw = findViewById(R.id.Drawer);
+        line = findViewById(R.id.line);
+        tool = findViewById(R.id.tollbar);
+        NavigationView navigationView = findViewById(R.id.navigation);
+        navigationView.setNavigationItemSelectedListener(this);
+
+        setSupportActionBar(tool);
+
+        Window window = getWindow();
+        window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
+
+
+        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, draw, tool, R.string.open_navigation_drawer, R.string.close_navigation_drawer) {
+            @Override
+            public void onDrawerSlide(View drawerView, float slideOffset) {
+                super.onDrawerSlide(drawerView, slideOffset);
+                float sidebar = drawerView.getWidth() * slideOffset;
+                line.setTranslationX(sidebar);
+            }
+        };
+
+        draw.addDrawerListener(toggle);
+        toggle.syncState();
+        View headerView = navigationView.getHeaderView(0);
+        TextView textView=headerView.findViewById(R.id.text);
+        TextView textView1=headerView.findViewById(R.id.not_sign_in);
+
+        SharedPreferences preferences=getSharedPreferences("PhoneBook_number",MODE_PRIVATE);
+
+        String string1 = preferences.getString("Phone", null);
+        String string2 = preferences.getString("Name", null);
+        textView.setText(string2);
+        textView1.setText(string1);
+
+    }
+    public void open(){
+        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
+        alertDialogBuilder.setMessage("Contact Us :ShanMukha Innovations Pvt Ltd\n" +
+                "No. 25, 2nd floor, Ram Thulasi Chambers\n" +
+                "MS Ramaiah Road , Mathikere\n" +
+                "Bangalore, Karnataka 560054.\n" +
+                "\n" +
+                "Tel: +91 9742255674\n" +
+                "Email : info@sminnovations.in");
+        alertDialogBuilder.setPositiveButton("Okay",
+                new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface arg0, int arg1) {
+                        Intent intent = new Intent(NavigationTop.this, Home.class);
+                        startActivity(intent);
+                    }
+                });
+
+
+        AlertDialog alertDialog = alertDialogBuilder.create();
+        alertDialog.show();
+    }
+}
+

app/src/main/java/com/smi/smartlab/SplashScreen.java

@@ -0,0 +1,44 @@
+package com.smi.smartlab;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.os.Handler;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+
+public class SplashScreen extends AppCompatActivity {
+
+    private static int SPLASH_TIME_OUT=3000;
+    String number;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash_screen);
+        SharedPreferences preferences6 = getSharedPreferences("PhoneBook_number", MODE_PRIVATE);
+
+        number = preferences6.getString("Phone", null);
+
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                if (number == null ) {
+
+
+                Intent home = new Intent(SplashScreen.this, LoginScreen.class);
+                startActivity(home);
+                finish();
+            }
+                else
+                {
+                    Intent home1 = new Intent(SplashScreen.this, Home.class);
+                    startActivity(home1);
+                    finish();
+                }
+
+                }
+        }, SPLASH_TIME_OUT);
+    }
+}