Added disabled button appearance. Fixed login bug (typo). Moved app-level stuff to App.java instead of MainActivity. Implemented some global observable variables. Added loading state to WithdrawFragment. Fixed Resources.getSystem().getString() bug. Fixed AsyncTasks callback bug. Refactored.

app/src/main/AndroidManifest.xml

     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
-        android:name=".MarleApplication"
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="TANIA"
             android:windowSoftInputMode="adjustResize" />
         <activity
             android:name="org.researchstack.backbone.ui.ViewWebDocumentActivity"
-            android:label="@string/app_name"
+            android:label="@string/appName"
             android:parentActivityName=".activities.MainActivity"
             android:theme="@style/Theme.MarleApp" />
         <activity

app/src/main/java/uprrp/tania/App.java

+package uprrp.tania;
+
+import android.app.Application;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.util.Log;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+
+import com.amazonaws.auth.CognitoCachingCredentialsProvider;
+import com.amazonaws.regions.Regions;
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.firebase.iid.FirebaseInstanceId;
+import com.google.firebase.iid.InstanceIdResult;
+
+import org.researchstack.backbone.StorageAccess;
+import org.researchstack.backbone.storage.database.AppDatabase;
+import org.researchstack.backbone.storage.database.sqlite.DatabaseHelper;
+import org.researchstack.backbone.storage.file.EncryptionProvider;
+import org.researchstack.backbone.storage.file.FileAccess;
+import org.researchstack.backbone.storage.file.PinCodeConfig;
+import org.researchstack.backbone.storage.file.SimpleFileAccess;
+import org.researchstack.backbone.storage.file.UnencryptedProvider;
+
+import uprrp.tania.activities.GettingStartedActivity;
+
+public class App extends Application {
+
+    private static final String TAG = "App";
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        // Customize your pin code preferences
+        PinCodeConfig pinCodeConfig = new PinCodeConfig(); // default pin config (4-digit, 1 min lockout)
+
+        // Customize encryption preferences
+        EncryptionProvider encryptionProvider = new UnencryptedProvider(); // No pin, no encryption
+
+        // If you have special file handling needs, implement FileAccess
+        FileAccess fileAccess = new SimpleFileAccess();
+
+        // If you have your own custom database, implement AppDatabase
+        AppDatabase database = new DatabaseHelper(this,
+                DatabaseHelper.DEFAULT_NAME,
+                null,
+                DatabaseHelper.DEFAULT_VERSION);
+
+        StorageAccess.getInstance().init(pinCodeConfig, encryptionProvider, fileAccess, database);
+
+        // We need to know if the user has already registered, otherwise they need to do that first
+        SharedPreferences prefs = getSharedPreferences("prefs", MODE_PRIVATE);
+        boolean needsToRegister = prefs.getBoolean("needsToRegister", true);
+        if(needsToRegister) {
+            Intent needsRegisterIntent = new Intent(this, GettingStartedActivity.class);
+            startActivity(needsRegisterIntent);
+        }
+
+        // Enable notifications
+        CognitoCachingCredentialsProvider credentialsProvider = new CognitoCachingCredentialsProvider(
+                getApplicationContext(),
+                getString(R.string.identityPoolID), // Identity pool ID
+                Regions.US_EAST_1 // Region
+        );
+        SNSRegister snsRegister = new SNSRegister(credentialsProvider);
+        snsRegister.execute();
+
+        // Get device token (store globally
+        FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener(new OnSuccessListener<InstanceIdResult>() {
+            @Override
+            public void onSuccess(InstanceIdResult instanceIdResult) {
+                String token = instanceIdResult.getToken();
+                GlobalValues.getInstance().setDeviceToken(token);
+                Log.d(TAG, "Got token: " + GlobalValues.getInstance().getDeviceToken());
+            }
+        }).addOnFailureListener(new OnFailureListener() {
+            @Override
+            public void onFailure(@NonNull Exception e) {
+                GlobalValues.getInstance().setDeviceToken(null);
+                Toast.makeText(getApplicationContext(), "Couldn't retrieve token!", Toast.LENGTH_LONG).show();
+                Log.e(TAG, "Error occurred while retrieving token...");
+                e.printStackTrace();
+            }
+        });
+
+    }
+}

app/src/main/java/uprrp/tania/GlobalValues.java

+package uprrp.tania;
+
+import androidx.annotation.Nullable;
+
+import java.util.Observable;
+
+import uprrp.tania.models.UserStatusModel;
+
+// TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+public class GlobalValues extends Observable {
+
+    private static GlobalValues mInstance = null;
+
+    public static GlobalValues getInstance() {
+        if(mInstance == null) {
+            mInstance = new GlobalValues();
+        }
+        return mInstance;
+    }
+
+    // WHENEVER ADDING ANOTHER GLOBAL VARIABLE...
+    // 1. ADD ITS NAME IN ValueName
+    // 2. ADD A DECLARATION (AND INITIALIZATION; OPTIONAL)
+    // 3. ADD A GETTER AND A SETTER (TAKE A GOOD LOOK AT THE SETTER)
+    public enum ValueName {
+        DEVICE_TOKEN,
+        USER_STATUS,
+    }
+
+    public static class ValueKey {
+        private final ValueName mValueName;
+        public ValueKey(ValueName valueName) {
+            mValueName = valueName;
+        }
+        public ValueName getKey() {
+            return mValueName;
+        }
+    }
+
+    // DEVICE TOKEN
+    @Nullable
+    private String mDeviceToken;
+    public String getDeviceToken() {
+        return mDeviceToken;
+    }
+    public void setDeviceToken(@Nullable String value) {
+        mDeviceToken = value;
+        this.setChanged();
+        this.notifyObservers(new ValueKey(ValueName.DEVICE_TOKEN));
+    }
+
+    // USER STATUS
+    @Nullable
+    private UserStatusModel mUserStatus;
+    public UserStatusModel getUserStatus() {
+        return mUserStatus;
+    }
+    public void setUserStatus(UserStatusModel value) {
+        mUserStatus = value;
+        this.setChanged();
+        this.notifyObservers(new ValueKey(ValueName.USER_STATUS));
+    }
+
+}

app/src/main/java/uprrp/tania/MarleApplication.java

-package uprrp.tania;
-
-import android.app.Application;
-
-import org.researchstack.backbone.StorageAccess;
-import org.researchstack.backbone.storage.database.AppDatabase;
-import org.researchstack.backbone.storage.database.sqlite.DatabaseHelper;
-import org.researchstack.backbone.storage.file.EncryptionProvider;
-import org.researchstack.backbone.storage.file.FileAccess;
-import org.researchstack.backbone.storage.file.PinCodeConfig;
-import org.researchstack.backbone.storage.file.SimpleFileAccess;
-import org.researchstack.backbone.storage.file.UnencryptedProvider;
-
-public class MarleApplication extends Application {
-    @Override
-    public void onCreate() {
-        super.onCreate();
-
-        // Customize your pin code preferences
-        PinCodeConfig pinCodeConfig = new PinCodeConfig(); // default pin config (4-digit, 1 min lockout)
-
-        // Customize encryption preferences
-        EncryptionProvider encryptionProvider = new UnencryptedProvider(); // No pin, no encryption
-
-        // If you have special file handling needs, implement FileAccess
-        FileAccess fileAccess = new SimpleFileAccess();
-
-        // If you have your own custom database, implement AppDatabase
-        AppDatabase database = new DatabaseHelper(this,
-                DatabaseHelper.DEFAULT_NAME,
-                null,
-                DatabaseHelper.DEFAULT_VERSION);
-
-        StorageAccess.getInstance().init(pinCodeConfig, encryptionProvider, fileAccess, database);
-    }
-}

app/src/main/java/uprrp/tania/MyFirebaseMessagingService.java

 package uprrp.tania;
 
-
-
 import com.google.firebase.messaging.FirebaseMessagingService;
 import com.google.firebase.messaging.RemoteMessage;
 

app/src/main/java/uprrp/tania/SendLoginToServer.java

 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.os.Environment;
 import android.util.Base64;
 
 public class SendLoginToServer extends AsyncTask<String, String, String> {
 
+    private static final String loginBaseURL = "https://tania.uprrp.edu/recoverAccount.php";
     private Context context;
 
     public SendLoginToServer(Context context){
         try
         {
             // Defined URL  where to send data
-            URL url = new URL("https://tania.uprrp.edu7/recoverAccount.php");
+            URL url = new URL(loginBaseURL);
 
             // Send POST data request
             URLConnection conn = url.openConnection();
         {
             try
             {
-                assert reader != null;
+//                assert reader != null;
                 reader.close();
             }
             catch(Exception ex) {

app/src/main/java/uprrp/tania/activities/ExperienceRegistrationActivity.java

 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 
-import com.google.android.gms.tasks.OnSuccessListener;
-import com.google.firebase.iid.FirebaseInstanceId;
-import com.google.firebase.iid.InstanceIdResult;
+import java.util.Observable;
+import java.util.Observer;
 
+import uprrp.tania.GlobalValues;
 import uprrp.tania.R;
-import uprrp.tania.networking.SendExperienceRegistration;
 import uprrp.tania.URLEventListener;
+import uprrp.tania.networking.SendExperienceRegistration;
 
-public class ExperienceRegistrationActivity  extends AppCompatActivity {
+public class ExperienceRegistrationActivity  extends AppCompatActivity implements Observer {
 
     private static final String TAG = "ExperienceRegistrationActivity";
-    private String DEVICE_TOKEN;
     private String EXPERIENCE_ID;
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
 
-        // Start constructor and fetch UI components
+        // Start constructor
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_experience_registration);
-        final Button experienceRegistrationButton = findViewById(R.id.buttonEnterExperience);
-
-        // Change all caps text to normal capitalization
-        // TODO: this is a workaround I found, any other acceptable solution is welcome
-        experienceRegistrationButton.setTransformationMethod(null);
-
-        // Request to Firebase...
-        // TODO: Should we implement retry logic in onFailureListener?
-        FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener(new OnSuccessListener<InstanceIdResult>() {
-            @Override
-            public void onSuccess(InstanceIdResult instanceIdResult) {
-
-            // Get device's token
-            // IMPORTANT: must come first before calling
-            // another function that uses the token
-            DEVICE_TOKEN = instanceIdResult.getToken();
-
-            // Set onClick listener on button
-            experienceRegistrationButton.setOnClickListener(new View.OnClickListener() {
-                @Override
-                public void onClick(View v) {
-                    sendRegistrationRequest();
-                }
-            });
-
-            }
-        });
 
         // Fetch experience ID from URL (only if we launched this Activity from Browser)
         Intent intent = getIntent();
             Uri uri = intent.getData();
             assert uri != null; // TODO: figure out if this causes crashes...
             EXPERIENCE_ID = uri.getQueryParameter("id");
+            Log.wtf("EXPERIENCE ID", EXPERIENCE_ID);
+        }
+
+        // Listen for device token changes
+        this.startObservingGlobals();
+
+        // Disable interaction initially while token is being fetched
+        if(GlobalValues.getInstance().getDeviceToken() == null) {
+            Log.wtf("EXPERIENCE ID", "DISABLING");
+            disableInteractionTemporarily();
+        } else {
+            enableInteraction();
+        }
+
+        // Change all caps text to normal capitalization and add onClick listener
+        final Button experienceRegistrationButton = findViewById(R.id.buttonEnterExperience);
+        experienceRegistrationButton.setTransformationMethod(null); // TODO: this is a workaround I found, any other acceptable solution is welcome
+        experienceRegistrationButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                sendRegistrationRequest();
+            }
+        });
+
+    }
+
+    // TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+    private void startObservingGlobals() {
+        GlobalValues.getInstance().addObserver(this);
+    }
+
+    // TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+    @Override
+    public void update(Observable observable, Object o) {
+        if(observable instanceof GlobalValues) {
+            if(o instanceof GlobalValues.ValueKey) {
+                if(((GlobalValues.ValueKey) o).getKey() == GlobalValues.ValueName.DEVICE_TOKEN) {
+                    if(GlobalValues.getInstance().getDeviceToken() == null) {
+                        disableInteraction();
+                    } else {
+                        enableInteraction();
+                    }
+                }
+            }
         }
+    }
+
+    private void enableInteraction() {
+        final Button experienceRegistrationButton = findViewById(R.id.buttonEnterExperience);
+        final TextView experienceRegistrationTextView = findViewById(R.id.experienceRegistrationText);
+
+        experienceRegistrationButton.setEnabled(true);
+        experienceRegistrationTextView.setText(R.string.experienceRegistrationDescriptionText);
+    }
+
+    private void disableInteraction() {
+        final Button experienceRegistrationButton = findViewById(R.id.buttonEnterExperience);
+        final TextView experienceRegistrationTextView = findViewById(R.id.experienceRegistrationText);
+
+        experienceRegistrationButton.setEnabled(false);
+        experienceRegistrationTextView.setText(R.string.tokenErrorText);
+    }
+
+    private void disableInteractionTemporarily() {
+        final Button experienceRegistrationButton = findViewById(R.id.buttonEnterExperience);
+        final TextView experienceRegistrationTextView = findViewById(R.id.experienceRegistrationText);
 
+        experienceRegistrationButton.setEnabled(false);
+        experienceRegistrationTextView.setText(R.string.loadingText);
     }
 
     private void sendRegistrationRequest() {
             }
         });
 
-        experienceRegistrationTask.execute(this.DEVICE_TOKEN, this.EXPERIENCE_ID);
+        experienceRegistrationTask.execute(GlobalValues.getInstance().getDeviceToken(), this.EXPERIENCE_ID);
 
         // UNCOMMENT THIS FOR TESTING (REMEMBER TO COMMENT .execute() LINE)
         /*

app/src/main/java/uprrp/tania/activities/MainActivity.java

 package uprrp.tania.activities;
 
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.net.Uri;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.MenuItem;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.Toolbar;
 import androidx.fragment.app.Fragment;
 
-import com.amazonaws.auth.CognitoCachingCredentialsProvider;
-import com.amazonaws.regions.Regions;
-import com.google.android.gms.tasks.OnSuccessListener;
 import com.google.android.material.bottomnavigation.BottomNavigationView;
-import com.google.firebase.iid.FirebaseInstanceId;
-import com.google.firebase.iid.InstanceIdResult;
 
 import org.researchstack.backbone.ui.PinCodeActivity;
 
 import uprrp.tania.R;
-import uprrp.tania.SNSRegister;
 import uprrp.tania.fragments.AssessmentsFragment;
 import uprrp.tania.fragments.ConsentFragment;
 import uprrp.tania.fragments.WithdrawFragment;
         setContentView(R.layout.activity_main);
 
 
-        // We need to know if the user has already registered, otherwise they need to do that first
-        SharedPreferences prefs = getSharedPreferences("prefs", MODE_PRIVATE);
-        boolean needsToRegister = prefs.getBoolean("needsToRegister", true);
-        if(needsToRegister) {
-            Intent needsRegisterIntent = new Intent(this, GettingStartedActivity.class);
-            startActivity(needsRegisterIntent);
-        }
-
-
-        // Enable notifications
-        CognitoCachingCredentialsProvider credentialsProvider = new CognitoCachingCredentialsProvider(
-                getApplicationContext(),
-                getString(R.string.identityPoolID), // Identity pool ID
-                Regions.US_EAST_1 // Region
-        );
-        SNSRegister snsRegister = new SNSRegister(credentialsProvider);
-        snsRegister.execute();
-
-
         // Create toolbar
         Toolbar toolbar = findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
         ActionBar actionBar = getSupportActionBar();
         assert actionBar != null; // TODO: find out if this causes crashes
-        actionBar.setTitle(R.string.app_name);
+        actionBar.setTitle(R.string.appName);
         actionBar.setDisplayShowTitleEnabled(true);
 
 
     }
 
 }
-
-
-
-
-
-
-
-
-
-
-

app/src/main/java/uprrp/tania/fragments/AssessmentsFragment.java

 import android.widget.Button;
 import android.widget.TextView;
 import android.widget.Toast;
+
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 
-import com.google.android.gms.tasks.OnSuccessListener;
-import com.google.firebase.iid.FirebaseInstanceId;
-import com.google.firebase.iid.InstanceIdResult;
-
 import org.researchstack.backbone.StorageAccess;
 import org.researchstack.backbone.answerformat.AnswerFormat;
 import org.researchstack.backbone.answerformat.ChoiceAnswerFormat;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.Observable;
+import java.util.Observer;
 
-import uprrp.tania.networking.SendAnswers;
-import uprrp.tania.models.AnsweredQuestionModel;
+import uprrp.tania.GlobalValues;
+import uprrp.tania.R;
+import uprrp.tania.URLEventListener;
 import uprrp.tania.models.AnsweredAssessmentModel;
-import uprrp.tania.networking.FetchAssessment;
-import uprrp.tania.networking.FetchUserStatus;
+import uprrp.tania.models.AnsweredQuestionModel;
 import uprrp.tania.models.AssessmentModel;
 import uprrp.tania.models.QuestionModel;
-import uprrp.tania.R;
-import uprrp.tania.URLEventListener;
 import uprrp.tania.models.UserStatusModel;
+import uprrp.tania.networking.FetchAssessment;
+import uprrp.tania.networking.FetchUserStatus;
+import uprrp.tania.networking.SendAnswers;
 
-public class AssessmentsFragment extends Fragment {
+public class AssessmentsFragment extends Fragment implements Observer {
 
     // These variables came from the sample app provided to explain the use of Research Stack
     private static final int REQUEST_SURVEY = 1;
 
     // Our variables
     private static final String TAG = "AssessmentsFragment";
-    private String DEVICE_TOKEN;
     private String ASSESSMENT_ID;
     private View thisFragment;
 
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
 
-        // Get reference for this fragment and other components
-        this.thisFragment = inflater.inflate(R.layout.fragment_assessments, container, false);
-        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
-        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
+        // Constructor
+        thisFragment = inflater.inflate(R.layout.fragment_assessments, container, false);
 
-        // Change all caps text to normal capitalization
-        // TODO: this is a workaround I found, any other acceptable solution is welcome
-        surveyButton.setTransformationMethod(null);
-        refreshButton.setTransformationMethod(null);
+        // Listen for device token changes
+        this.startObservingGlobals();
 
-        // Request to Firebase...
-        // TODO: Should we implement retry logic in onFailureListener?
-        FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener(new OnSuccessListener<InstanceIdResult>() {
-            @Override
-            public void onSuccess(InstanceIdResult instanceIdResult) {
-
-                // Get device's token
-                // IMPORTANT: must come first before calling
-                // another function that uses the token
-                DEVICE_TOKEN = instanceIdResult.getToken();
-
-                // Add onClick listener to "Answer Survey" button
-                surveyButton.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        fetchAssessment();
-                    }
-                });
+        // Disable interaction initially while token is being fetched
+        if(GlobalValues.getInstance().getDeviceToken() == null) {
+            disableInteractionTemporarily();
+        } else {
+            enableInteraction();
+        }
 
-                // Add onClick listener to "Refresh Status" button
-                refreshButton.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        fetchUserStatus();
-                    }
-                });
+        // Display user status if available
+        UserStatusModel userStatus = GlobalValues.getInstance().getUserStatus();
+        if(userStatus != null) {
+            positiveUserStatus(userStatus);
+        }
 
-                // Fetch user status and assessment, if any
+        // Change all caps text to normal capitalization and add onClick listener
+        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
+        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
+        surveyButton.setTransformationMethod(null); // TODO: this is a workaround I found, any other acceptable solution is welcome
+        refreshButton.setTransformationMethod(null); // TODO: this is a workaround I found, any other acceptable solution is welcome
+        surveyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                fetchAssessment();
+            }
+        });
+        refreshButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
                 fetchUserStatus();
-//            fetchAssessment();
-
             }
         });
 
 
     }
 
-    private void fetchUserStatus() {
-
-        // Get text fields and initialize other stuff
-        final TextView statusTextView = this.thisFragment.findViewById(R.id.statusTextView);
-        final TextView nextSurveyTextView = this.thisFragment.findViewById(R.id.nextSurveyTextView);
-        final Button surveyButton = this.thisFragment.findViewById(R.id.surveyButton);
-        final Button refreshButton = this.thisFragment.findViewById(R.id.refreshButton);
+    private void disableInteractionTemporarily() {
+        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
+        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
+        final TextView statusTextView = thisFragment.findViewById(R.id.statusTextView);
+        final TextView nextSurveyTextView = thisFragment.findViewById(R.id.nextSurveyTextView);
 
-        // Change UI to indicate loading is happening
+        surveyButton.setEnabled(false);
+        refreshButton.setEnabled(false);
         statusTextView.setText(R.string.loadingText);
-        nextSurveyTextView.setVisibility(View.GONE);
+        nextSurveyTextView.setVisibility(View.INVISIBLE);
+    }
 
-        // Define task
-        FetchUserStatus userStatusTask = new FetchUserStatus(new URLEventListener() {
+    private void disableInteraction() {
+        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
+        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
+        final TextView statusTextView = thisFragment.findViewById(R.id.statusTextView);
+        final TextView nextSurveyTextView = thisFragment.findViewById(R.id.nextSurveyTextView);
 
-            @Override
-            public void onSuccess(UserStatusModel userStatus) {
-                if(userStatus.isEnrolled()) {
+        surveyButton.setEnabled(false);
+        refreshButton.setEnabled(false);
+        statusTextView.setText(R.string.tokenErrorText);
+        nextSurveyTextView.setVisibility(View.INVISIBLE);
+    }
 
-                    // Change next survey date text (as well as status text)
-                    statusTextView.setText(userStatus.toString());
-                    nextSurveyTextView.setText(userStatus.getTimeToNext());
-                    nextSurveyTextView.setVisibility(View.VISIBLE);
+    private void enableInteraction() {
+        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
+        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
 
-                    // Hide refresh button (it only refreshes user status, anyways so...)
-                    refreshButton.setVisibility(View.GONE);
+        surveyButton.setEnabled(true);
+        refreshButton.setEnabled(true);
+        if(GlobalValues.getInstance().getUserStatus() == null) {
+            fetchUserStatus(); // refresh user status
+        }
+    }
 
-                    // Toggle "Answer" button visibility depending on survey availability
-                    if(userStatus.surveyAvailable()) {
-                        surveyButton.setVisibility(View.VISIBLE);
-                    } else {
-                        surveyButton.setVisibility(View.GONE);
-                    }
+    // TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+    private void startObservingGlobals() {
+        GlobalValues.getInstance().addObserver(this);
+    }
 
-                } else {
-                    // Prompt user to refresh status if user doesn't have an experience
-//                    statusTextView.setText("You are not enrolled in any experience.\nIf you think this is a mistake, contact your supervisors."); // for debugging/testing
-                    statusTextView.setText(userStatus.toString());
-                    nextSurveyTextView.setVisibility(View.GONE);
-                    surveyButton.setVisibility(View.GONE);
-                    refreshButton.setVisibility(View.VISIBLE);
+    // TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+    @Override
+    public void update(Observable observable, Object o) {
+        if(observable instanceof GlobalValues) {
+            if(o instanceof GlobalValues.ValueKey) {
+                switch(((GlobalValues.ValueKey) o).getKey()) {
+                    case DEVICE_TOKEN:
+                        if(GlobalValues.getInstance().getDeviceToken() == null) {
+                            disableInteraction();
+                        } else {
+                            enableInteraction();
+                        }
+                        break;
+                    case USER_STATUS:
+                        UserStatusModel userStatus = GlobalValues.getInstance().getUserStatus();
+                        if(userStatus == null) {
+                            negativeUserStatus();
+                        } else {
+                            positiveUserStatus(userStatus);
+                        }
+                        break;
                 }
             }
+        }
+    }
+
+    private void negativeUserStatus() {
+        Toast.makeText(getContext(), "Can't verify identity!", Toast.LENGTH_LONG).show();
+
+        final TextView statusTextView = thisFragment.findViewById(R.id.statusTextView);
+        final TextView nextSurveyTextView = thisFragment.findViewById(R.id.nextSurveyTextView);
+        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
+        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
+
+        statusTextView.setText(R.string.userStatusErrorText);
+        nextSurveyTextView.setVisibility(View.INVISIBLE);
+        surveyButton.setVisibility(View.INVISIBLE);
+        surveyButton.setEnabled(false);
+        refreshButton.setVisibility(View.VISIBLE);
+    }
+
+    private void positiveUserStatus(UserStatusModel userStatus) {
+
+        final TextView statusTextView = thisFragment.findViewById(R.id.statusTextView);
+        final TextView nextSurveyTextView = thisFragment.findViewById(R.id.nextSurveyTextView);
+        final Button surveyButton = thisFragment.findViewById(R.id.surveyButton);
+        final Button refreshButton = thisFragment.findViewById(R.id.refreshButton);
+
+        statusTextView.setText(userStatus.toString());
+
+        if(userStatus.isEnrolled()) {
 
+            nextSurveyTextView.setText(userStatus.getTimeToNext());
+            nextSurveyTextView.setVisibility(View.VISIBLE);
+
+            if(userStatus.surveyAvailable()) {
+                refreshButton.setVisibility(View.INVISIBLE);
+                refreshButton.setEnabled(false);
+                surveyButton.setVisibility(View.VISIBLE);
+                surveyButton.setEnabled(true);
+            } else {
+                surveyButton.setVisibility(View.INVISIBLE);
+                surveyButton.setEnabled(false);
+                refreshButton.setVisibility(View.VISIBLE);
+                refreshButton.setEnabled(true);
+            }
+
+        } else {
+
+            nextSurveyTextView.setText("");
+            nextSurveyTextView.setVisibility(View.INVISIBLE);
+
+            surveyButton.setVisibility(View.INVISIBLE);
+            surveyButton.setEnabled(false);
+            refreshButton.setVisibility(View.VISIBLE);
+            refreshButton.setEnabled(true);
+
+        }
+
+    }
+
+    private void fetchUserStatus() {
+
+        disableInteractionTemporarily();
+
+        // Define task
+        FetchUserStatus userStatusTask = new FetchUserStatus(new URLEventListener() {
+            @Override
+            public void onSuccess(UserStatusModel userStatus) {
+                GlobalValues.getInstance().setUserStatus(userStatus);
+                enableInteraction();
+            }
             @Override
             public void onFailure(Exception e) {
-                statusTextView.setText(R.string.userStatusErrorText);
-                Toast.makeText(getContext(), "Can't verify identity!", Toast.LENGTH_LONG).show();
-                Log.e("ERROR WHILE FETCHING USER STATUS", e.toString());
+                GlobalValues.getInstance().setUserStatus(null);
+                Log.e(TAG, "Error while fetching user status: " + e.toString());
             }
-
         });
 
         // Start task
-        userStatusTask.execute(this.DEVICE_TOKEN);
+        userStatusTask.execute(GlobalValues.getInstance().getDeviceToken());
 
     }
 
         });
 
         // Start task
-        assessmentTask.execute(this.DEVICE_TOKEN);
+        assessmentTask.execute(GlobalValues.getInstance().getDeviceToken());
 
     }
 
 
            @Override
            public void onFailure(Exception e) {
-               Log.e("ERROR WHILE SENDING ANSWERS", e.toString());
+               Log.e(TAG, "Error whilte sending answers: " + e.toString());
                e.printStackTrace();
                progressDialog.dismiss();
                promptRetrySend(answeredAssessment);
         }
 
         // Return answered assessment
-        return new AnsweredAssessmentModel(this.ASSESSMENT_ID, this.DEVICE_TOKEN, answeredQuestions);
+        return new AnsweredAssessmentModel(this.ASSESSMENT_ID, GlobalValues.getInstance().getDeviceToken(), answeredQuestions);
 
     }
 
 
         // Create instruction screen (add it to total steps)
         InstructionStep instructionStep = new InstructionStep(INSTRUCTION,
-                getString(R.string.app_name),
+                getString(R.string.appName),
                 assessment.getDescription());
         instructionStep.setStepTitle(R.string.surveyToolbarText);
         steps.add(0, instructionStep);

app/src/main/java/uprrp/tania/fragments/WithdrawFragment.java

 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 
-import com.google.android.gms.tasks.OnSuccessListener;
-import com.google.firebase.iid.FirebaseInstanceId;
-import com.google.firebase.iid.InstanceIdResult;
-
 import java.util.Objects;
+import java.util.Observable;
+import java.util.Observer;
 
+import uprrp.tania.GlobalValues;
 import uprrp.tania.R;
 import uprrp.tania.URLEventListener;
 import uprrp.tania.activities.GettingStartedActivity;
 import uprrp.tania.networking.SendWithdrawal;
 
-public class WithdrawFragment extends Fragment {
+public class WithdrawFragment extends Fragment implements Observer {
 
     private static final String TAG = "WithdrawFragment";
-    private String DEVICE_TOKEN;
+    private View thisFragment;
 
     @Nullable
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
 
-        // Get reference for this fragment and other components
-        View view = inflater.inflate(R.layout.fragment_withdrawal, container, false);
-        final Button withdrawButton = view.findViewById(R.id.withdrawButton);
+        // Constructor
+        thisFragment = inflater.inflate(R.layout.fragment_withdrawal, container, false);
+
+        // Listen for device token changes
+        this.startObservingGlobals();
 
-        // Change all caps text to normal capitalization
-        // TODO: this is a workaround I found, any other acceptable solution is welcome
-        withdrawButton.setTransformationMethod(null);
-        withdrawButton.setText(R.string.loadingText);
+        // Disable interaction initially while token is being fetched
+        if(GlobalValues.getInstance().getDeviceToken() == null) {
+            disableInteractionTemporarily();
+        } else {
+            enableInteraction();
+        }
 
-        // Get device's token and attach click listener once we have it
-        FirebaseInstanceId.getInstance().getInstanceId().addOnSuccessListener(new OnSuccessListener<InstanceIdResult>() {
+        // Change all caps text to normal capitalization and add onClick listener
+        final Button withdrawButton = thisFragment.findViewById(R.id.withdrawButton);
+        withdrawButton.setTransformationMethod(null); // TODO: this is a workaround I found, any other acceptable solution is welcome
+        withdrawButton.setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onSuccess(InstanceIdResult instanceIdResult) {
-                DEVICE_TOKEN = instanceIdResult.getToken();
-                withdrawButton.setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        promptConfirmation();
-                    }
-                });
-                withdrawButton.setText(R.string.withdrawButtonText);
+            public void onClick(View v) {
+                promptConfirmation();
             }
         });
 
-        return view;
+        return thisFragment;
+
+    }
+
+    private void disableInteractionTemporarily() {
+        final Button withdrawButton = thisFragment.findViewById(R.id.withdrawButton);
+        final TextView withdrawTextView = thisFragment.findViewById(R.id.withdrawText);
+
+        withdrawButton.setEnabled(false);
+        withdrawTextView.setText(R.string.loadingText);
+    }
+
+    private void disableInteraction() {
+        final Button withdrawButton = thisFragment.findViewById(R.id.withdrawButton);
+        final TextView withdrawTextView = thisFragment.findViewById(R.id.withdrawText);
+
+        withdrawButton.setEnabled(false);
+        withdrawTextView.setText(R.string.tokenErrorText);
+    }
+
+    private void enableInteraction() {
+        final Button withdrawButton = thisFragment.findViewById(R.id.withdrawButton);
+        final TextView withdrawTextView = thisFragment.findViewById(R.id.withdrawText);
+
+        withdrawButton.setEnabled(true);
+        withdrawTextView.setText(R.string.withdrawDescriptionText);
+    }
+
+    // TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+    private void startObservingGlobals() {
+        GlobalValues.getInstance().addObserver(this);
+    }
+
+    // TAKEN FROM https://stackoverflow.com/questions/21886768/is-there-any-method-i-can-listen-for-changes-to-global-variable-to-trigger-an-ev
+    @Override
+    public void update(Observable observable, Object o) {
+        if(observable instanceof GlobalValues) {
+            if(o instanceof GlobalValues.ValueKey) {
+                if(((GlobalValues.ValueKey) o).getKey() == GlobalValues.ValueName.DEVICE_TOKEN) {
+                    if(GlobalValues.getInstance().getDeviceToken() == null) {
+                        disableInteraction();
+                    } else {
+                        enableInteraction();
+                    }
+                }
+            }
+        }
     }
 
     private void promptConfirmation() {
         });
 
         // Start task
-        sendWithdrawalTask.execute(DEVICE_TOKEN);
+        sendWithdrawalTask.execute(GlobalValues.getInstance().getDeviceToken());
 
         // UNCOMMENT THIS FOR TESTING (REMEMBER TO COMMENT .execute() LINE)
         /*

app/src/main/java/uprrp/tania/models/UserStatusModel.java

         }
     }
 
-    private String formatTimeToNext() {
+    private boolean isInteger(String s) {
+        return s.matches("-?\\d+");
+    }
 
+    private boolean validTimeToNext() {
         // Format is DD:HH:MM (can be negative if survey can be answered)
         String[] parts = this.time_to_next.split(":");
 
-        // Input validation
-        if(parts[0].equals("") || parts[1].equals("") || parts[2].equals("")) {
+        if(parts.length != 3) {
+            return false;
+        } else if(!isInteger(parts[0]) || !isInteger(parts[1]) || !isInteger(parts[2])) {
+            return false;
+        } else {
+            return true;
+        }
+    }
+
+    private String formatTimeToNext() {
+
+        // Validation
+        if(!this.validTimeToNext()) {
             Log.wtf(TAG, "Backend gave an invalid time_to_next: " + this.time_to_next);
             return ".."; // forms ellipsis
         }
 
+        // Format is DD:HH:MM (can be negative if survey can be answered)
+        String[] parts = this.time_to_next.split(":");
         int days = Integer.parseInt(parts[0]);
         int hours = Integer.parseInt(parts[1]);
         int minutes = Integer.parseInt(parts[2]);

app/src/main/java/uprrp/tania/networking/FetchAssessment.java

 package uprrp.tania.networking;
 
-import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.util.Log;
 
 
 import javax.net.ssl.HttpsURLConnection;
 
-import uprrp.tania.R;
 import uprrp.tania.URLEventListener;
 import uprrp.tania.models.AssessmentModel;
 import uprrp.tania.models.EmptyAssessmentModel;
 public class FetchAssessment extends AsyncTask<String, Void, JSONObject> {
 
     private static final String TAG = "FetchAssessment";
+    private static final String assessmentBaseURL = "https://tania.uprrp.edu/getSubQ2.php?tk=";
     private final URLEventListener myCallBack;
 
     public FetchAssessment(URLEventListener callback) {
 
         try {
 
-            String getMomentsBaseURL = Resources.getSystem().getString(R.string.assessmentsBaseURL);
-            URL url = new URL(getMomentsBaseURL + deviceToken);
+            URL url = new URL(assessmentBaseURL + deviceToken);
             Log.d(TAG, "token:" + deviceToken); // log
             Log.d(TAG, "url:" + url.toString()); // log
             HttpsURLConnection httpsURLConnection = (HttpsURLConnection) url.openConnection();
     protected void onPostExecute(JSONObject obj) {
 
         if(this.myCallBack == null) {
-            this.myCallBack.onFailure(new Exception("Callback wasn't initialized first!"));
+            Log.e(TAG, "Callback wasn't initialized first!");
             return;
         }
 

app/src/main/java/uprrp/tania/networking/FetchUserStatus.java

 package uprrp.tania.networking;
 
-import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.util.Log;
 
 
 import javax.net.ssl.HttpsURLConnection;
 
-import uprrp.tania.R;
 import uprrp.tania.URLEventListener;
 import uprrp.tania.models.EmptyUserStatusModel;
 import uprrp.tania.models.UserStatusModel;
 public class FetchUserStatus extends AsyncTask<String, Void, JSONArray> {
 
     private static final String TAG = "FetchUserStatus";
+    private static final String userStatusBaseURL = "https://tania.uprrp.edu/status.php?tk=";
     private final URLEventListener myCallBack;
 
     public FetchUserStatus(URLEventListener callback) {
 
         try {
 
-            String userStatusBaseURL = Resources.getSystem().getString(R.string.userStatusBaseURL);
             URL url = new URL(userStatusBaseURL + deviceToken);
             Log.d(TAG, "token:" + deviceToken); // log
             Log.d(TAG, "url:" + url.toString()); // log
         super.onPostExecute(arr);
 
         if(this.myCallBack == null) {
-            this.myCallBack.onFailure(new Exception("Callback wasn't initialized first!"));
+            Log.e(TAG, "Callback wasn't initialized first!");
             return;
         }
 

app/src/main/java/uprrp/tania/networking/SendAnswers.java

 package uprrp.tania.networking;
 
-import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.util.Log;
 
 
 import javax.net.ssl.HttpsURLConnection;
 
-import uprrp.tania.R;
 import uprrp.tania.URLEventListener;
 import uprrp.tania.models.AnsweredAssessmentModel;
 
 public class SendAnswers extends AsyncTask<AnsweredAssessmentModel, Void, String> {
 
     private static final String TAG = "SendAnswers";
+    private static final String sendAnswersURL = "https://tania.uprrp.edu/parseAnswers.php";
     private final URLEventListener myCallback;
 
     public SendAnswers(URLEventListener callback) {
             String encodedRequestBody = URLEncoder.encode("data", "UTF-8") + "=" + URLEncoder.encode(surveyResults.toString(), "UTF-8");
 
             // Send POST data request
-            URL url = new URL(Resources.getSystem().getString(R.string.sendAnswersURL));
+            URL url = new URL(sendAnswersURL);
             HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
             conn.setDoOutput(true);
             OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
     protected void onPostExecute(String response) {
 
         if(this.myCallback == null) {
-            this.myCallback.onFailure(new Exception("Callback wasn't initialized first!"));
+            Log.e(TAG, "Callback wasn't initialized first!");
             return;
         }
 

app/src/main/java/uprrp/tania/networking/SendExperienceRegistration.java

 package uprrp.tania.networking;
 
-import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.util.Log;
 
 
 import javax.net.ssl.HttpsURLConnection;
 
-import uprrp.tania.R;
 import uprrp.tania.URLEventListener;
 
 public class SendExperienceRegistration extends AsyncTask<String, String, String> {
 
     private static final String TAG = "SendActivateExperience";
+    private static final String activateExperienceURL = "https://tania.uprrp.edu/inscripcionExperiencia.php";
     private final URLEventListener myCallback;
 
     public SendExperienceRegistration(URLEventListener callback) {
             String encodedRequestBody = URLEncoder.encode("data", "UTF-8") + "=" + URLEncoder.encode(experienceRegistrationJSON.toString(), "UTF-8");
 
             // Send POST data request
-            URL url = new URL(Resources.getSystem().getString(R.string.activateExperienceURL));
+            URL url = new URL(activateExperienceURL);
             HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
             conn.setDoOutput(true);
             OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
     protected void onPostExecute(String response) {
 
         if(this.myCallback == null) {
-            this.myCallback.onFailure(new Exception("Callback wasn't initialized first!"));
+            Log.e(TAG, "Callback wasn't initialized first!");
             return;
         }
 

app/src/main/java/uprrp/tania/networking/SendWithdrawal.java

 package uprrp.tania.networking;
 
-import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.util.Log;
 
 
 import javax.net.ssl.HttpsURLConnection;
 
-import uprrp.tania.R;
 import uprrp.tania.URLEventListener;
 
 public class SendWithdrawal extends AsyncTask<String, String, String> {
 
     private static final String TAG = "SendWithdrawal";
+    private static final String withdrawalURL = "https://tania.uprrp.edu/withdrawal.php";
     private final URLEventListener myCallback;
 
     public SendWithdrawal(URLEventListener callback) {
             String encodedRequestBody = URLEncoder.encode("data", "UTF-8") + "=" + URLEncoder.encode(withdrawJSON.toString(), "UTF-8");
 
             // Send POST data request
-            URL url = new URL(Resources.getSystem().getString(R.string.withdrawalURL));
+            URL url = new URL(withdrawalURL);
             HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
             conn.setDoOutput(true);
             Writer writer = new BufferedWriter(new OutputStreamWriter(conn.getOutputStream(), StandardCharsets.UTF_8));
     protected void onPostExecute(String response) {
 
         if(this.myCallback == null) {
-            this.myCallback.onFailure(new Exception("Callback wasn't initialized first!"));
+            Log.e(TAG, "Callback wasn't initialized first!");
             return;
         }
 

app/src/main/java/uprrp/tania/AppPrefs.java → app/src/main/java/uprrp/tania/unused/AppPrefs.java

-package uprrp.tania;
+package uprrp.tania.unused;
 
 import android.content.Context;
 import android.content.SharedPreferences;

app/src/main/java/uprrp/tania/CognitoSettings.java → app/src/main/java/uprrp/tania/unused/CognitoSettings.java

-package uprrp.tania;
+package uprrp.tania.unused;
 
 import android.content.Context;
 

app/src/main/res/drawable/button_background.xml

 <?xml version="1.0" encoding="utf-8" ?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <!--  Non focused states  -->
-    <item android:state_focused="false" android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/button_unfocused" />
-    <item android:state_focused="false" android:state_selected="true" android:state_pressed="false" android:drawable="@drawable/button_unfocused" />
-    <!--  Focused states  -->
+    <!--  Disabled  -->
+    <item android:state_enabled="false" android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/button_disabled" />
+    <item android:state_enabled="false" android:state_selected="true" android:state_pressed="false" android:drawable="@drawable/button_disabled" />
+    <!--  Enabled  -->
+    <item android:state_enabled="true" android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/button_unfocused" />
+    <item android:state_enabled="true" android:state_selected="true" android:state_pressed="false" android:drawable="@drawable/button_unfocused" />
+    <!--  Focused  -->
 <!--    <item android:state_focused="true" android:state_selected="false" android:state_pressed="false" android:drawable="@drawable/button_focus" />-->
 <!--    <item android:state_focused="true" android:state_selected="true" android:state_pressed="false" android:drawable="@drawable/button_focus" />-->
     <!--  Pressed  -->

app/src/main/res/drawable/button_disabled.xml

+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
+<!--  Border  -->
+<!--    <stroke android:width="1dp" android:color="@color/colorPrimary" />-->
+<!--  Radius  -->
+<corners android:radius="@dimen/cornerRadius" />
+<!--  Gradient  -->
+<!--    FF6800 -> FF8000 -> FF9700    -->
+<gradient android:startColor="@color/colorPrimaryDisabled"
+    android:centerColor="@color/colorPrimaryDisabled"
+    android:endColor="@color/colorPrimaryDisabled"
+    android:angle="90" />
+</shape>

app/src/main/res/layout/activity_experience_registration.xml

         app:layout_constraintTop_toTopOf="parent" />
 
     <TextView
-        android:id="@+id/textViewConfirmMessage"
+        android:id="@+id/experienceRegistrationText"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="@dimen/horizontalMargin"
         android:layout_marginEnd="@dimen/horizontalMargin"
         android:fontFamily="sans-serif"
         android:gravity="center"
-        android:text="@string/experienceRegistrationDescriptionText"
+        android:text="@string/loadingText"
         android:textAlignment="center"
         android:textSize="18sp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/textViewActivateExperience" />
+        app:layout_constraintTop_toBottomOf="@+id/textViewActivateExperience"
+        tools:text="@string/experienceRegistrationDescriptionText" />
 
     <Button
         android:id="@+id/buttonEnterExperience"

app/src/main/res/layout/fragment_assessments.xml

         android:textColor="@android:color/white"
         android:textSize="@dimen/buttonTextSize"
         android:textStyle="bold"
+        android:visibility="visible"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHeight_max="@dimen/buttonMaxHeight"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/statusTextView"
-        tools:visibility="gone" />
+        tools:visibility="invisible" />
 
     <androidx.appcompat.widget.AppCompatButton
         android:id="@+id/surveyButton"
         android:textColor="@android:color/white"
         android:textSize="@dimen/buttonTextSize"
         android:textStyle="bold"
-        android:visibility="gone"
+        android:visibility="invisible"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHeight_max="@dimen/buttonMaxHeight"
         android:textAlignment="center"
         android:textSize="18sp"
         android:textStyle="bold"
-        android:visibility="gone"
         app:layout_constraintBottom_toTopOf="@+id/surveyButton"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.5"
         app:layout_constraintStart_toStartOf="parent"
-        tools:text="Next survey in 2 days, 6 hours."
-        tools:visibility="visible" />
+        tools:text="Next survey in 2 days, 6 hours." />
 
     <TextView
         android:id="@+id/assessmentTitle"

app/src/main/res/layout/fragment_withdrawal.xml

         android:layout_marginStart="@dimen/horizontalMargin"
         android:layout_marginTop="16dp"
         android:layout_marginEnd="@dimen/horizontalMargin"
-        android:text="@string/withdrawing_text"
+        android:text="@string/loadingText"
         android:textAlignment="textStart"
         android:textSize="@dimen/sectionDescriptionTextSize"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/withdrawTitle" />
+        app:layout_constraintTop_toBottomOf="@+id/withdrawTitle"
+        tools:text="@string/withdrawDescriptionText" />
 
     <Button
         android:id="@+id/withdrawButton"

app/src/main/res/values/colors.xml

 <resources>
     <color name="colorPrimary">#397af3</color>
     <color name="colorPrimaryDark">#174396</color>
+    <color name="colorPrimaryDisabled">#7ea5ed</color>
     <color name="colorAccent">#174396</color>
     <color name="dark_gray">#cccccc</color>
     <color name="textColor1">#FFFCEFD3</color>
     <color name="textColor2">#423E3E</color>
-
 </resources>
 
 

app/src/main/res/values/strings.xml

 <resources>
-    <string name="app_name">TANIA</string>
     <string name="menu_data_cleared">La información ha sido borrada</string>
     <string name="user_name">Nombre de usuario:</string>
     <string name="date_consented">Fecha de consentimiento:</string>
     <string name="title_activity_consent_pdf_viewer">Consent TANIA</string>
 
     <!-- !!!!! POST-Víctor !!!!! -->
-
     <!--  AmazonCognito Details  -->
     <string name="identityPoolID">us-east-1:574094cd-0784-4e26-bd14-4fa72ae63579</string>
     <!--  API Endpoints  -->
-    <string name="sendAnswersURL">https://tania.uprrp.edu/parseAnswers.php</string>
-    <string name="activateExperienceURL">https://tania.uprrp.edu/inscripcionExperiencia.php</string>
-    <string name="withdrawalURL">https://tania.uprrp.edu/withdrawal.php</string>
-    <string name="userStatusBaseURL">https://tania.uprrp.edu/status.php?tk=</string>
-    <string name="assessmentsBaseURL">https://tania.uprrp.edu/getSubQ2.php?tk=</string>
+<!--    <string name="sendAnswersURL">https://tania.uprrp.edu/parseAnswers.php</string>-->
+<!--    <string name="activateExperienceURL">https://tania.uprrp.edu/inscripcionExperiencia.php</string>-->
+<!--    <string name="withdrawalURL">https://tania.uprrp.edu/withdrawal.php</string>-->
+<!--    <string name="userStatusBaseURL">https://tania.uprrp.edu/status.php?tk=</string>-->
+<!--    <string name="assessmentsBaseURL">https://tania.uprrp.edu/getSubQ2.php?tk=</string>-->
+<!--    <string name="loginBaseURL">https://tania.uprrp.edu/recoverAccount.php</string>-->
     <!--  General App Configurations  -->
+    <string name="appName">TANIA</string>
     <string name="surveyToolbarText">Assessment</string>
+    <string name="tokenErrorText">There was an error…\nPlease come back later!</string>
     <!--  Assessment Fragment  -->
     <string name="mainGreetingText">Hello! 👋</string>
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     <string name="withdrawTitleText">Withdraw from Study</string>
     <string name="withdrawButtonText">Withdraw</string>
-    <string name="withdrawing_text">If you no longer want to participate in this research study, you can choose to withdraw. By withdrawing, you understand that your decision is final and your account on TANIA will be removed without any chance of recovery.</string>
+    <string name="withdrawDescriptionText">If you no longer want to participate in this research study, you can choose to withdraw. By withdrawing, you understand that your decision is final and your account on TANIA will be removed without any chance of recovery.</string>
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     <string name="experienceRegistrationTitleText">Activate Experience</string>
     <string name="experienceRegistrationDescriptionText">Click the button below to enter the research experience you are participating in.</string>