diff --git a/src/main/java/com/notificationFramework/notification/SedentaryNotification.java b/src/main/java/com/notificationFramework/notification/SedentaryNotification.java
index 77c2447d22ccb6048f44db1281be8de5e53e11d8..a7003188cf6d466283216639b84b5e7fef295eb6 100644
--- a/src/main/java/com/notificationFramework/notification/SedentaryNotification.java
+++ b/src/main/java/com/notificationFramework/notification/SedentaryNotification.java
@@ -63,11 +63,13 @@ public class SedentaryNotification extends Notification {
         builder.setSmallIcon(android.R.drawable.btn_star);
         builder.setContentTitle(this.getClass().getSimpleName());
         String notificationText =
-                preferences.getString(getString(R.string.daily_goal_text), getString(R.string.default_notification_message));
+                preferences.getString(getString(R.string.daily_goal_text),
+                        getString(R.string.default_notification_message));
         if (!(preferences.getBoolean(getString(R.string.goal_met), false))) {
             notificationText = notificationText
-                    + " " + String.valueOf((preferences.getInt(getString(R.string.daily_goal_set), getResources().getInteger(R.integer.daily_goal_minutes)))
-                                                    - (preferences.getInt(getString(R.string.daily_progress), 0)))
+                    + " " + String.valueOf((preferences.getInt(getString(R.string.daily_goal_set),
+                    getResources().getInteger(R.integer.daily_goal_minutes)))
+                    - (preferences.getInt(getString(R.string.daily_progress), 0)))
                     + " minutes to reach your goal!";
         }
         builder.setContentText(notificationText);
@@ -83,9 +85,12 @@ public class SedentaryNotification extends Notification {
         }
         if (preferences.getBoolean(getString(R.string.led), false)) {
             builder.mNotification.flags |= android.app.Notification.FLAG_SHOW_LIGHTS;
-            builder.mNotification.ledARGB = Color.parseColor(preferences.getString(getString(R.string.led_colour), "RED"));
-            builder.mNotification.ledOnMS = (preferences.getInt(getString(R.string.led_period), 1)) * 1000;
-            builder.mNotification.ledOffMS = (preferences.getInt(getString(R.string.led_period), 1)) * 1000;
+            builder.mNotification.ledARGB = Color.parseColor
+                    (preferences.getString(getString(R.string.led_colour), "RED"));
+            builder.mNotification.ledOnMS =
+                    (preferences.getInt(getString(R.string.led_period), 1)) * 1000;
+            builder.mNotification.ledOffMS =
+                    (preferences.getInt(getString(R.string.led_period), 1)) * 1000;
         }
 
         return builder;
diff --git a/src/main/java/com/notificationFramework/sedentary/frontEnd/AdvancedSettings.java b/src/main/java/com/notificationFramework/sedentary/frontEnd/AdvancedSettings.java
index 18af69a70e31a51717cb0a47033eacb6b216eb9c..2fac215425a2b0b9b926901c6ce9c5f8fd43f3f9 100644
--- a/src/main/java/com/notificationFramework/sedentary/frontEnd/AdvancedSettings.java
+++ b/src/main/java/com/notificationFramework/sedentary/frontEnd/AdvancedSettings.java
@@ -10,7 +10,6 @@ import android.support.v7.app.AppCompatActivity;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.Button;
-import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.Spinner;
 import android.widget.TimePicker;
@@ -20,10 +19,24 @@ import java.io.File;
 
 /**
  * Created by Peter De Jonckheere on 16/02/2018.
+ * <p>
+ * The activity which is used to set the advanced, in depth, settings for the application. This
+ * activity contains more involved settings than the standard settings page and can be used by
+ * users to obtain further personalisation in certain features.
+ * </p>
  */
 
 public class AdvancedSettings extends AppCompatActivity {
 
+    /**
+     * Called when the AdvancedSettings activity is started from somewhere else in the application.
+     * Sets up the layout using that which is defined in advanced_settings.xml and the delegates to
+     * further methods to set up the buttons and settings for the page.
+     *
+     * @param savedInstanceState contains information pertaining to previous states of the activity
+     *                           if it has been used before
+     * @see android.support.v7.app.AppCompatActivity
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -32,22 +45,38 @@ public class AdvancedSettings extends AppCompatActivity {
         retrieveSettings();
     }
 
-
+    /**
+     * Called when the activity is stopped by the user or the OS to save the settings of this page.
+     *
+     * @see android.support.v7.app.AppCompatActivity
+     */
     @Override
-    protected void onStop(){
+    protected void onStop() {
         super.onStop();
         saveSharedPreferenceData();
     }
 
-    private void retrieveSettings(){
-        SharedPreferences shared = this.getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
-        ((Spinner)findViewById(R.id.PeriodSpinner)).setSelection(shared.getInt(getString(R.string.led_period_pos), 0));
-        ((Spinner)findViewById(R.id.ColourSpinner)).setSelection(shared.getInt(getString(R.string.led_colour_pos), 0));
-        ((Spinner)findViewById(R.id.AccelSpinner)).setSelection(shared.getInt(getString(R.string.accel_sensitivity_pos), 0));
+    /**
+     * Gets the data stored in Shared Preferences which is required to initialise the page to a
+     * previous state.
+     */
+    private void retrieveSettings() {
+        SharedPreferences shared =
+                this.getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
+        ((Spinner) findViewById(R.id.PeriodSpinner))
+                .setSelection(shared.getInt(getString(R.string.led_period_pos), 0));
+        ((Spinner) findViewById(R.id.ColourSpinner))
+                .setSelection(shared.getInt(getString(R.string.led_colour_pos), 0));
+        ((Spinner) findViewById(R.id.AccelSpinner))
+                .setSelection(shared.getInt(getString(R.string.accel_sensitivity_pos), 0));
     }
 
-    private void setUpButtons(){
-        ImageButton back = (ImageButton)findViewById(R.id.back);
+    /**
+     * Used to set up the background processes for ech of the buttons and spinners on this page.
+     */
+    private void setUpButtons() {
+        //Adds the onClickListener for the button which navigates back to the standard settings page
+        ImageButton back = findViewById(R.id.back);
         back.bringToFront();
         back.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -58,38 +87,54 @@ public class AdvancedSettings extends AppCompatActivity {
                 startActivity(intent);
             }
         });
+
+        //Defines the code which allows the data collcted to be uploaded via an intent which calls
+        //on another application to share the file. the file is a zip file created here containing
+        //the three data files stored throughout the application's use
         Button upload = findViewById(R.id.upload);
         upload.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 File file = SaveFile.zipFiles(view.getContext());
                 Intent sendIntent = new Intent(Intent.ACTION_SEND);
-                if(file.exists() && (file != null)){
+                if (file.exists()) {
+                    //The extras added to the intent to obtain the best possible options for sharing
+                    //the zip file.
                     sendIntent.setType("notificationapp/zip");
-                    sendIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://"+file.getAbsolutePath()));
-                    sendIntent.putExtra(Intent.EXTRA_SUBJECT,"Sharing File...");
+                    sendIntent.putExtra(Intent.EXTRA_STREAM,
+                            Uri.parse("file://" + file.getAbsolutePath()));
+                    sendIntent.putExtra(Intent.EXTRA_SUBJECT, "Sharing File...");
                     sendIntent.putExtra(Intent.EXTRA_TEXT, "Sharing File...");
                     startActivity(Intent.createChooser(sendIntent, "Share File"));
                 }
             }
         });
+
+        //Sets up the button which allows the user to take the post-user trial survey. As above this
+        //is done through an intent designed to open a web browser with the provided URL
         Button survey = findViewById(R.id.survey);
         survey.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 Intent webIntent = new Intent(Intent.ACTION_VIEW);
-                webIntent.setData(Uri.parse(getString(R.string.survey_link)));
+                webIntent.setData(
+                        Uri.parse(getString(R.string.survey_link)));
                 startActivity(webIntent);
             }
         });
+
+        //Sets the code for the button for the start of the do not disturb period which creates a
+        //time picker pop-up then stores the time chosen by the user in Shared Preferences
         Button startTime = findViewById(R.id.startTime);
-        startTime.setOnClickListener(new View.OnClickListener(){
+        startTime.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                final SharedPreferences shared = view.getContext().getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
+                final SharedPreferences shared = view.getContext().
+                        getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
                 int hour = shared.getInt(getString(R.string.dnd_shour), 23);
                 int minute = shared.getInt(getString(R.string.dnd_smin), 0);
-                TimePickerDialog dialog = new TimePickerDialog(view.getContext(), new TimePickerDialog.OnTimeSetListener() {
+                TimePickerDialog dialog =
+                        new TimePickerDialog(view.getContext(), new TimePickerDialog.OnTimeSetListener() {
                     @Override
                     public void onTimeSet(TimePicker timePicker, int selHour, int selMin) {
                         SharedPreferences.Editor editor = shared.edit();
@@ -102,50 +147,84 @@ public class AdvancedSettings extends AppCompatActivity {
                 dialog.show();
             }
         });
+
+        //As above but for the end time
         Button endTime = findViewById(R.id.endTime);
-        endTime.setOnClickListener(new View.OnClickListener(){
+        endTime.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
-                final SharedPreferences shared = view.getContext().getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
+                final SharedPreferences shared = view.getContext().
+                        getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
                 int hour = shared.getInt(getString(R.string.dnd_ehour), 9);
                 int minute = shared.getInt(getString(R.string.dnd_emin), 0);
-                TimePickerDialog dialog = new TimePickerDialog(view.getContext(), new TimePickerDialog.OnTimeSetListener() {
-                    @Override
-                    public void onTimeSet(TimePicker timePicker, int selHour, int selMin) {
-                        SharedPreferences.Editor editor = shared.edit();
-                        editor.putInt(getString(R.string.dnd_ehour), selHour);
-                        editor.putInt(getString(R.string.dnd_emin), selMin);
-                        editor.commit();
-                    }
-                }, hour, minute, true);
+                TimePickerDialog dialog =
+                        new TimePickerDialog(view.getContext(), new TimePickerDialog.OnTimeSetListener() {
+                            @Override
+                            public void onTimeSet(TimePicker timePicker, int selHour, int selMin) {
+                                SharedPreferences.Editor editor = shared.edit();
+                                editor.putInt(getString(R.string.dnd_ehour), selHour);
+                                editor.putInt(getString(R.string.dnd_emin), selMin);
+                                editor.commit();
+                            }
+                        }, hour, minute, true);
                 dialog.setTitle(getString(R.string.dnd_etitle));
                 dialog.show();
             }
         });
-        populateSpinner((Spinner)findViewById(R.id.PeriodSpinner), R.array.LED_periods);
-        populateSpinner((Spinner)findViewById(R.id.ColourSpinner), R.array.LED_colours);
-        populateSpinner((Spinner)findViewById(R.id.AccelSpinner), R.array.accel_sensitivities);
-    }
 
+        //Calls the populate spinner method for each spinner which adds the relevant data to each
+        //spinner
+        populateSpinner((Spinner) findViewById(R.id.PeriodSpinner), R.array.LED_periods);
+        populateSpinner((Spinner) findViewById(R.id.ColourSpinner), R.array.LED_colours);
+        populateSpinner((Spinner) findViewById(R.id.AccelSpinner), R.array.accel_sensitivities);
+    }
 
-    private void populateSpinner(Spinner spinner, int arrayID){
-        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, arrayID, android.R.layout.simple_spinner_dropdown_item);
+    /**
+     * Using the params provided fills the spinner with the desired data specififed by the arrayID.
+     *
+     * @param spinner the spinner which is to be populated with data
+     * @param arrayID the resource ID of the array which contains the data to be added to the
+     *                spinner
+     */
+    private void populateSpinner(Spinner spinner, int arrayID) {
+        ArrayAdapter<CharSequence> adapter =
+                ArrayAdapter.createFromResource(this, arrayID,
+                        android.R.layout.simple_spinner_dropdown_item);
         adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
         spinner.setAdapter(adapter);
     }
-    private void displaySavedToast(View view){
-        Toast saved = Toast.makeText(view.getContext(), R.string.settings_saved,Toast.LENGTH_SHORT);
+
+    /**
+     * Displays a Toast object which informs the user that the information entered on this page has
+     * been stored.
+     *
+     * @param view the view object with which the Toast object is displayed within
+     */
+    private void displaySavedToast(View view) {
+        Toast saved = Toast.makeText(view.getContext(), R.string.settings_saved, Toast.LENGTH_SHORT);
         saved.show();
     }
 
-    private void saveSharedPreferenceData(){
-        SharedPreferences sharedPref = this.getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
-        int spinnerPPos = ((Spinner)findViewById(R.id.PeriodSpinner)).getSelectedItemPosition();
-        int notifyGap = Integer.parseInt(((Spinner)findViewById(R.id.PeriodSpinner)).getSelectedItem().toString());
-        int spinnerCPos = ((Spinner)findViewById(R.id.ColourSpinner)).getSelectedItemPosition();
-        String colour = ((Spinner)findViewById(R.id.ColourSpinner)).getSelectedItem().toString();
-        int spinnerAPos = ((Spinner)findViewById(R.id.AccelSpinner)).getSelectedItemPosition();
-        String sensitivity = ((Spinner)findViewById(R.id.AccelSpinner)).getSelectedItem().toString();
+    /**
+     * Stores the data of this page in the Shared Preferences whihc allows it to be used elsewhere
+     * in the program and also allows this page to be reconstructed in the correct form when it is
+     * returned to.
+     */
+    private void saveSharedPreferenceData() {
+        SharedPreferences sharedPref =
+                this.getSharedPreferences(getString(R.string.preference_file_key), Context.MODE_PRIVATE);
+        int spinnerPPos =
+                ((Spinner) findViewById(R.id.PeriodSpinner)).getSelectedItemPosition();
+        int notifyGap = Integer.parseInt(
+                ((Spinner) findViewById(R.id.PeriodSpinner)).getSelectedItem().toString());
+        int spinnerCPos =
+                ((Spinner) findViewById(R.id.ColourSpinner)).getSelectedItemPosition();
+        String colour =
+                ((Spinner) findViewById(R.id.ColourSpinner)).getSelectedItem().toString();
+        int spinnerAPos =
+                ((Spinner) findViewById(R.id.AccelSpinner)).getSelectedItemPosition();
+        String sensitivity =
+                ((Spinner) findViewById(R.id.AccelSpinner)).getSelectedItem().toString();
         SharedPreferences.Editor editor = sharedPref.edit();
         editor.putInt(getString(R.string.led_period_pos), spinnerPPos);
         editor.putInt(getString(R.string.led_period), notifyGap);