comments for project.

OlympusServices/.idea/misc.xml

@@ -25,7 +25,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/Admin.java

@@ -1,10 +1,28 @@
 package com.uottawa.olympus.olympusservices;
 
+/**
+ * The class Admin is a child of the class userType. The class gives
+ * admin permission over the app such that the user can add and delete services
+ * and can add and delete other users from the database of the app.
+ *
+ */
+
 public class Admin extends UserType {
 
+    /**
+     * The constructor for the admin object with predefined fields.
+     * There should only be one admin object for the entire app.
+     */
     Admin(){
         super("admin", "admin", "Admin", "Admin");
     }
 
+    /**
+     * The getRole() method returns a string "Admin"
+     * the app gets role of user type objects for access
+     * app permission purposes.
+     *
+     * @return String object "Admin"
+     */
     public String getRole(){ return "Admin"; }
 }

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/AdminWelcome.java

@@ -5,27 +5,70 @@ import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.View;
 
+/**
+ * The Admin Welcome class is the welcome
+ * screen for admin users when they have logged into the
+ * app. The admin welcome screen has features such as the
+ * user list and service list which it can only access.
+ *
+ */
+
 public class AdminWelcome extends AppCompatActivity {
 
+    /**
+     * Creates the xml pages for the class object
+     * on creation of the object.
+     *
+     * @param savedInstanceState Bundle for transfer of data.
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_admin_welcome);
 
     }
+
+    /**
+     * Override so that nothing occurs when pressing the
+     * back button on this activity of the app.
+     *
+     */
     @Override
     public void onBackPressed(){
     }
 
+    /**
+     * Logs out the user and returns them back to
+     * main activity. End all current user activity
+     * for security purposes.
+     *
+     * @param view View object of current activity.
+     */
     public void LogOut(View view){
         Intent intent = new Intent(getApplicationContext(), Main.class);
         startActivity(intent);
         finish();
     }
+
+    /**
+     * On click of list of user button that goes to
+     * UserList screen for the admin to edit the user list
+     * of the app.
+     *
+     * @param view View object of current activity
+     */
     public void goToUsers(View view){
         Intent intent = new Intent(getApplicationContext(), UsersList.class);
         startActivity(intent);
     }
+
+    /**
+     * On click of list of services button goes to
+     * ServiceList screen for the admin to edit the
+     * service list of the app.
+     *
+     * @param view
+     */
     public void goToServices(View view){
         Intent intent = new Intent(getApplicationContext(), ServicesList.class);
         startActivity(intent);

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/Appointment.java

@@ -1,5 +1,11 @@
 package com.uottawa.olympus.olympusservices;
 
+/**
+ * This class is the class for Appointments
+ * which has not been implemented yet. This
+ * feature shall be expanded upon next deliverable.
+ *
+ */
 public class Appointment {
     Service service;
     ServiceProvider provider;

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/EditServiceDialogFragment.java

@@ -11,6 +11,11 @@ import android.widget.EditText;
 
 public class EditServiceDialogFragment extends DialogFragment{
 
+    /**
+     * Creates a NoticeDialogListener interface for other classes to
+     * implement to have this class be functional in the other classes.
+     *
+     */
     public interface NoticeDialogListener {
         public void onDialogEdit(DialogFragment dialog);
         public void onDialogDelete(DialogFragment dialog);
@@ -31,6 +36,14 @@ public interface NoticeDialogListener {
                     + " must implement NoticeDialogListener");
         }
     }
+
+    /**
+     * Edit the Dialog to change rate of a service that the
+     * admin wants to change.
+     *
+     * @param savedInstanceState Bundle to transfer information.
+     * @return Dialog that is sent to admin for information.
+     */
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/HomeOwner.java

@@ -1,12 +1,35 @@
 package com.uottawa.olympus.olympusservices;
 
 
+/**
+ * The class HomeOwner is a child of the class userType. The class permission
+ * to the user of a standard homeowner hence users with homeowner permissions
+ * are able to book service providers. Has not been implemented yet.
+ *
+ */
+
 public class HomeOwner extends UserType {
 
+    /**
+     * Constructor of the HomeOwner object that takes the username, password,
+     * lastname, and firstname as parameters to use for the creation of a
+     * HomeOwner object.
+     *
+     * @param username String for username.
+     * @param password String for password.
+     * @param firstname String for firstname.
+     * @param lastname String for lastname.
+     */
     HomeOwner(String username, String password, String firstname, String lastname){
         super(username, password, firstname, lastname);
     }
 
+    /**
+     * Returns the type of role the user is for this class.
+     * will return the string "HomeOwner".
+     *
+     * @return "HomeOwner" String object.
+     */
     public String getRole(){ return "HomeOwner"; }
 
 }

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/LogIn.java

@@ -7,14 +7,34 @@ import android.widget.EditText;
 import android.view.View;
 import android.widget.Toast;
 
+/**
+ * The login activity for the app that checks
+ * credentials of users to allow them to log in and use
+ * the functionality of the app.
+ *
+ */
+
 public class LogIn extends AppCompatActivity {
 
+    /**
+     * On creation of this activity the login xml file
+     * is loaded up.
+     *
+     * @param savedInstanceState Bundle object for transfer of information.
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_log_in);
     }
 
+    /**
+     * On click of the login button the app checks if all specification
+     * for login credentials are met and then either sends an error toast
+     * or logs the user in.
+     *
+     * @param view View object that contains all the buttons and editTexts.
+     */
     public void onClickLogIn(View view){
         String username = ((EditText) findViewById(R.id.UsernameInput)).getText().toString();
         String password = ((EditText) findViewById(R.id.PasswordInput)).getText().toString();
@@ -54,6 +74,12 @@ public class LogIn extends AppCompatActivity {
 
 
     }
+
+    /**
+     * app closes the the activity when back is pressed and
+     * no user information written down is saved in the EditText for
+     * security purposes.
+     */
     @Override
     public void onBackPressed(){
         Intent intent = new Intent(getApplicationContext(), Main.class);

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/Main.java

@@ -5,8 +5,21 @@ import android.os.Bundle;
 import android.content.Intent;
 import android.view.View;
 
+/**
+ * The starting page of the app which contains two buttons
+ * of either registering for the app or logging into an existing
+ * account.
+ *
+ */
+
 public class Main extends AppCompatActivity {
 
+    /**
+     * On creation of the object the app loads up the xml page
+     * for the class and creates dbHelper object and Admin object
+     * and then add the admin into the database.
+     * @param savedInstanceState
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -18,6 +31,11 @@ public class Main extends AppCompatActivity {
 
     }
 
+    /**
+     * On click of the sign up button loads up the sign up activity
+     *
+     * @param view View object containing the buttons.
+     */
     public void onClickSignUp(View view){
         Intent intent = new Intent(getApplicationContext(),SignUp.class);
         startActivity(intent);
@@ -25,6 +43,11 @@ public class Main extends AppCompatActivity {
 
     }
 
+    /**
+     * On click of the Login button loads up the login activity.
+     *
+     * @param view View object containing the buttons.
+     */
     public void onClickLogIn(View view){
         Intent intent = new Intent(getApplicationContext(),LogIn.class);
         startActivity(intent);

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/NewServiceDialogFragment.java

@@ -18,9 +18,18 @@ import android.view.View;
 
 import com.rengwuxian.materialedittext.MaterialEditText;
 
+/**
+ * Creates a dialog whenever admin adds a new service into the
+ * service list which the admin fills in to provide the fields of
+ * the service.
+ */
 public class NewServiceDialogFragment extends DialogFragment {
 
-
+    /**
+     * Creates a NoticeDialogListener interface for other classes to
+     * implement to have this class be functional in the other classes.
+     *
+     */
     public interface NoticeDialogListener {
         public void onDialogNew(DialogFragment dialog);
         public void onDialogNevermind(DialogFragment dialog);
@@ -42,8 +51,13 @@ public class NewServiceDialogFragment extends DialogFragment {
         }
     }
 
-    //String name = ((EditText) view.findViewById(R.id.NameInput)).getText().toString();
-    //int rate = Integer.parseInt(((EditText) view.findViewById(R.id.RateInput)).getText().toString())
+    /**
+     * Creates the Dialog to add the name and rate of a new service that
+     * the admin has added to the list of services.
+     *
+     * @param savedInstanceState Bundle to transfer information.
+     * @return Dialog that is sent to admin for information.
+     */
     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
 

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/Service.java

@@ -3,33 +3,78 @@ package com.uottawa.olympus.olympusservices;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * creates a service object that can be managed by admin and service providers
+ * and be viewed by the homeowner for the sale of service which is the main
+ * functionality of the app.
+ *
+ */
+
 public class Service {
+    //name of the service field.
     private String name;
+    //rate of the service field.
     private double rate;
+    //list of services the providers that offers this service.
     private List<ServiceProvider> serviceProviders;
 
+    /**
+     * Constructor for a new service which uses the parameters
+     * to fill in the fields of the service and creates an arrayList
+     * for all the providers that provide that service.
+     *
+     * @param name String of the name of service.
+     * @param rate double of the price of service.
+     */
     Service(String name, double rate) {
         this.name = name;
         this.rate = rate;
         serviceProviders = new ArrayList<ServiceProvider>();
     }
 
+    /**
+     * Gets the Name field of the service.
+     *
+     * @return String of the name.
+     */
     public String getName() {
         return name;
     }
 
+    /**
+     * Gets the Rate field of the service.
+     *
+     * @return double of the rate.
+     */
     public double getRate() {
         return rate;
     }
 
+    /**
+     * Changes the name field of the object to parameter given.
+     *
+     * @param name String object of new name
+     */
     public void setName(String name) {
         this.name = name;
     }
 
+    /**
+     * Changes the rate field of the object to parameter given.
+     *
+     * @param rate double of new rate.
+     */
     public void setRate(double rate) {
         this.rate = rate;
     }
 
+    /**
+     * Adds a new service provider that offers this service into the list
+     * of service providers that offer this service.
+     *
+     * @param user Service Provider object which is added to the service's list.
+     * @return boolean of if the Service provider has been added.
+     */
     public boolean addServiceProvider(ServiceProvider user){
         for (ServiceProvider listUser : serviceProviders){
             if (user.getUsername().equals(listUser.getUsername())){

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/ServiceProvider.java

@@ -3,17 +3,45 @@ package com.uottawa.olympus.olympusservices;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * The service provider is the child userType class. The service provider
+ * class provides services which the homeowner can buy in the app.
+ *
+ */
+
 public class ServiceProvider extends UserType {
 
+    //Field for list of services that service provider offers.
     private List<Service> services;
 
+    /**
+     * Constructor for the service object which takes the parameters to
+     * fill out the service providers field.
+     *
+     * @param username String of the username.
+     * @param password String of the password.
+     * @param firstname String of the firstname.
+     * @param lastname String of the lastname.
+     */
     ServiceProvider(String username, String password, String firstname, String lastname){
         super(username, password, firstname, lastname);
         services = new ArrayList<>();
     }
 
+    /**
+     * gets the role of the UserType.
+     *
+     * @return String "Service Provider"
+     */
     public String getRole(){ return "ServiceProvider"; }
 
+    /**
+     * adds service to the to service list if the service is in the
+     * database list of services.
+     *
+     * @param service Service object which is added to the services field.
+     * @return boolean whether service is added.
+     */
     public boolean addService(Service service){
         for (Service listService : services){
             if (service.getName().equals(listService.getName())){
@@ -24,6 +52,11 @@ public class ServiceProvider extends UserType {
         return true;
     }
 
+    /**
+     * Gets the services list field of service provider.
+     *
+     * @return arrayList of Services
+     */
     public List<Service> getServices(){
         return services;
     }

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/ServicesList.java

@@ -18,12 +18,26 @@ import android.widget.TextView;
 import java.util.Iterator;
 import java.util.List;
 
+/**
+ * Creates the view and dialog listener for List of services
+ * which the admin can view and manipulate.
+ *
+ */
 public class ServicesList extends AppCompatActivity implements NewServiceDialogFragment.NoticeDialogListener, EditServiceDialogFragment.NoticeDialogListener{
 
+    //field for RecyclerView
     private RecyclerView mRecyclerView;
+    //field for adapter of Recycler view
     private RecyclerView.Adapter mAdapter;
+    //field for layout manager of Recyler view.
     private RecyclerView.LayoutManager mLayoutManager;
 
+    /**
+     * On creation loads up the xml, and generates the services list,
+     * and fillsout the recylerView fields.
+     *
+     * @param savedInstanceState Bundle to transfer information.
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -49,10 +63,22 @@ public class ServicesList extends AppCompatActivity implements NewServiceDialogF
 
 
     }
+
+    /**
+     * Adds new services to the generated list.
+     *
+     * @param view View object contains the generated list and buttons
+     */
     public void addService(View view) {
         DialogFragment newFragment = new NewServiceDialogFragment();
         newFragment.show(getSupportFragmentManager(), "addService");
     }
+
+    /**
+     * Edits services to the generated list.
+     *
+     * @param view View object contains the generated list and buttons
+     */
     public void editService(View view, String name) {
         DialogFragment newFragment = new EditServiceDialogFragment();
         newFragment.show(getSupportFragmentManager(), "editService");
@@ -61,6 +87,12 @@ public class ServicesList extends AppCompatActivity implements NewServiceDialogF
         newFragment.setArguments(args);
     }
     //add new service
+
+    /**
+     * Uses dialog to obtain the fields for addSerivce.
+     *
+     * @param dialog DialogFragment used to obtain the fields for the added service
+     */
     @Override
     public void onDialogNew(DialogFragment dialog) {
         DBHelper dbHelper = new DBHelper(this);
@@ -71,11 +103,23 @@ public class ServicesList extends AppCompatActivity implements NewServiceDialogF
         this.recreate();
     }
     //user clicked cancel
+
+    /**
+     * Uses dialog to cancel adding a service.
+     *
+     * @param dialog DialogFragment that contains the cancel button.
+     */
     @Override
     public void onDialogNevermind(DialogFragment dialog) {
 
     }
     //edits service with info from dialog
+
+    /**
+     * Uses Dialog to edit service.
+     *
+     * @param dialog DialogFragment that contains the fields and buttons to edit rate.
+     */
     @Override
     public void onDialogEdit(DialogFragment dialog) {
         DBHelper dbHelper = new DBHelper(this);
@@ -86,6 +130,12 @@ public class ServicesList extends AppCompatActivity implements NewServiceDialogF
         this.recreate();
     }
     //deletes service with info from dialog
+
+    /**
+     * Uses Dialog to delete a service from the serviceList.
+     *
+     * @param dialog DialogFragment that contains the delete service button.
+     */
     @Override
     public void onDialogDelete(DialogFragment dialog) {
         DBHelper dbHelper = new DBHelper(this);

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/SignUp.java

@@ -9,7 +9,21 @@ import android.widget.EditText;
 import android.view.View;
 import android.widget.Toast;
 
+/**
+ * This class is used to create new userType where the user
+ * fills in his information and his data is sent to to the database
+ * to create a new userType object.
+ *
+ */
+
 public class SignUp extends AppCompatActivity {
+
+    /**
+     * On creation of this class the xml page is loaded up onto the app and
+     * the EditTexts are set up to accept the information of the user.
+     *
+     * @param savedInstanceState Bundle for transferring information
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -25,6 +39,13 @@ public class SignUp extends AppCompatActivity {
 
     }
 
+    /**
+     * On click creates a new user if the the user information
+     * fits the criteria specified by the documentation and is
+     * not a duplicate of another user.
+     *
+     * @param view View object that contains all the editText and buttons used.
+     */
     public void onClickSignUp(View view){
         UserType newUser;
         String username = ((EditText) findViewById(R.id.UsernameInput)).getText().toString();
@@ -32,7 +53,6 @@ public class SignUp extends AppCompatActivity {
         String firstname = ((EditText) findViewById(R.id.FirstNameInput)).getText().toString();
         String lastname = ((EditText) findViewById(R.id.LastNameInput)).getText().toString();
         MaterialSpinner spinner = findViewById(R.id.RoleInput);
-        //TODO add message conditional to check if every EditText is filled up to standards
         if(username.length()>=5 && password.length()>5 && firstname.length()>0 && lastname.length()>0 && username.matches("[a-zA-Z0-9]*") && password.matches("[a-zA-Z0-9]*")
                 && firstname.matches("[a-zA-Z]*") && lastname.matches("[a-zA-Z]*")){
             switch(spinner.getText().toString()){
@@ -49,7 +69,7 @@ public class SignUp extends AppCompatActivity {
             }
 
             DBHelper dbHelper = new DBHelper(this);
-            Intent intent = new Intent(getApplicationContext(),LogIn.class); //TODO check if signup should take to the login page or automatically login
+            Intent intent = new Intent(getApplicationContext(),LogIn.class);
             if(dbHelper.addUser(newUser)){
                 startActivity(intent);
                 finish();
@@ -67,6 +87,13 @@ public class SignUp extends AppCompatActivity {
             Toast.makeText(this, "Fields may only contain alphanumeric values", Toast.LENGTH_LONG).show();
         }
     }
+
+    /**
+     * app closes the the activity when back is pressed and
+     * no user information written down is saved in the EditText for
+     * security purposes.
+     */
+
     @Override
     public void onBackPressed(){
         Intent intent = new Intent(getApplicationContext(), Main.class);

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/UserType.java

@@ -3,16 +3,33 @@ package com.uottawa.olympus.olympusservices;
 
 import java.io.Serializable;
 
+/**
+ * UserType is the abstract object that is the parent class
+ * of all users in this program with all common methods and
+ * fields set in this one class.
+ */
+
 public abstract class UserType {
 
+    //field for the username attached to the userType.
     String username;
+    //field for the password attached to the userType.
     String password;
+    //field for the firstname attached to the userType.
     String firstname;
+    //field for the lastname attached to the userType.
     String lastname;
 
 
-
-
+    /**
+     * Constructor filling out all the field values with given parameters
+     * entered by a new user for the app.
+     *
+     * @param username String object containing the username.
+     * @param password String object containing the password.
+     * @param firstname String object containing the firstname.
+     * @param lastname String object containing the lastname.
+     */
     UserType(String username, String password, String firstname, String lastname){
         this.username = username;
         this.password = password;
@@ -20,25 +37,54 @@ public abstract class UserType {
         this.lastname = lastname;
     }
 
+    /**
+     * Abstract method to get the role of each userType child in the app.
+     *
+     * @return String object specifying the role of userType.
+     */
     public abstract String getRole();
 
+    /**
+     * Gets the username field of userType.
+     *
+     * @return String of the username.
+     */
     public String getUsername() {
         return username;
     }
 
+    /**
+     * Gets the password field of userType.
+     *
+     * @return String of the password.
+     */
     public String getPassword() {
         return password;
     }
 
+    /**
+     * Gets the firstname field of userType.
+     *
+     * @return String of firstname
+     */
     public String getFirstname() {
         return firstname;
     }
 
+    /**
+     * Gets the lastname field of userType.
+     *
+     * @return String of lastname
+     */
     public String getLastname() {
         return lastname;
     }
 
-
+    /**
+     * Sets the username field with given parameters.
+     *
+     * @param username String for new username.
+     */
     public void setUsername(String username) {
         //remember to call updateUser(String username, String password, String firstname, String lastname)
         //in activity whenever a setter is called. DBHelper requires a Context (Activity) to be initialized
@@ -47,6 +93,11 @@ public abstract class UserType {
 
     }
 
+    /**
+     * Sets the password field with given parameters.
+     *
+     * @param password String of new password.
+     */
     public void setPassword(String password) {
         //remember to call updateUser(String username, String password, String firstname, String lastname)
         //in activity whenever a setter is called. DBHelper requires a Context (Activity) to be initialized
@@ -54,6 +105,11 @@ public abstract class UserType {
         this.password = password;
     }
 
+    /**
+     * Sets the firstname field with given parameters.
+     *
+     * @param firstname String of new firstname.
+     */
     public void setFirstname(String firstname) {
         //remember to call updateUser(String username, String password, String firstname, String lastname)
         //in activity whenever a setter is called. DBHelper requires a Context (Activity) to be initialized
@@ -68,7 +124,11 @@ public abstract class UserType {
         this.lastname = lastname;
     }
 
-
+    /**
+     * Compares this userType and another userType to see if there fields are equal.
+     *
+     * @param other Usertype object that is compared to this userType.
+     */
     public boolean equals(UserType other){
         if(this.username.equals(other.username)&&this.password.equals(other.password)&&
                 this.firstname.equals(other.firstname)&&this.lastname.equals(other.lastname)){

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/UsersList.java

@@ -8,8 +8,22 @@ import android.widget.GridView;
 import java.util.Iterator;
 import java.util.List;
 
+/**
+ * screen for user list that the admin can access
+ * and manage all users in the program. Userlist is generated through
+ * the database using DBHelper class.
+ *
+ */
+
 public class UsersList extends AppCompatActivity {
 
+    /**
+     * on Creation of this class the app loads up the xml page for
+     * activity_user_list and generates a gridview using the database
+     * for all the users in the app.
+     *
+     * @param savedInstanceState bundle to transfer data
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

OlympusServices/app/src/main/java/com/uottawa/olympus/olympusservices/Welcome.java

@@ -6,8 +6,21 @@ import android.view.View;
 import android.widget.TextView;
 import android.content.Intent;
 
+/**
+ * Welcome class creates the welcome screen for the HomeOwners and ServiceProviders
+ * as a temporary screen until full functionality of those two a classes are
+ * implemented.
+ *
+ */
 public class Welcome extends AppCompatActivity {
 
+    /**
+     * On creation of this object the app will display the xml file for
+     * the welcome page which gets the role and username of the UserType
+     * object and welcomes the user with a message.
+     *
+     * @param savedInstanceState Bundle to transfer data
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -24,9 +37,23 @@ public class Welcome extends AppCompatActivity {
 
 
     }
+
+    /**
+     * Override so that nothing occurs when pressing the
+     * back button on this activity of the app.
+     *
+     */
     @Override
     public void onBackPressed(){
     }
+
+    /**
+     * Logs out the user and returns them back to
+     * main activity. End all current user activity
+     * for security purposes.
+     *
+     * @param view View object of current activity.
+     */
     public void LogOut(View view){
         Intent intent = new Intent(getApplicationContext(), Main.class);
         startActivity(intent);