From 0c1dc1e86ec632fdd9f44de4267aaf32e267cefd Mon Sep 17 00:00:00 2001
From: Docile-Alligator <25734209+Docile-Alligator@users.noreply.github.com>
Date: Wed, 3 Jan 2024 05:05:07 -0500
Subject: Change accountName's default value to Account.ANONYMOUS_ACCOUNT
 instead of null.

---
 .../infinityforreddit/AccessTokenAuthenticator.java               | 6 +++---
 .../infinityforreddit/AnyAccountAccessTokenAuthenticator.java     | 2 +-
 .../java/ml/docilealligator/infinityforreddit/FavoriteThing.java  | 8 ++++----
 .../java/ml/docilealligator/infinityforreddit/FetchRules.java     | 2 +-
 .../docilealligator/infinityforreddit/FetchSubscribedThing.java   | 3 ++-
 .../docilealligator/infinityforreddit/ParseSubscribedThing.java   | 6 ++++--
 .../docilealligator/infinityforreddit/PullNotificationWorker.java | 2 +-
 .../ml/docilealligator/infinityforreddit/SelectUserFlair.java     | 2 +-
 .../infinityforreddit/activities/AccountPostsActivity.java        | 3 ++-
 .../infinityforreddit/activities/AccountSavedThingActivity.java   | 3 ++-
 .../infinityforreddit/activities/CommentActivity.java             | 2 +-
 .../infinityforreddit/activities/EditProfileActivity.java         | 2 +-
 .../infinityforreddit/activities/FilteredPostsActivity.java       | 2 +-
 .../infinityforreddit/activities/HistoryActivity.java             | 3 ++-
 .../infinityforreddit/activities/InboxActivity.java               | 2 +-
 .../infinityforreddit/activities/MainActivity.java                | 2 +-
 .../activities/MultiredditSelectionActivity.java                  | 2 +-
 .../infinityforreddit/activities/PostGalleryActivity.java         | 2 +-
 .../infinityforreddit/activities/PostImageActivity.java           | 2 +-
 .../infinityforreddit/activities/PostPollActivity.java            | 2 +-
 .../infinityforreddit/activities/PostVideoActivity.java           | 2 +-
 .../infinityforreddit/activities/ReportActivity.java              | 2 +-
 .../infinityforreddit/activities/RulesActivity.java               | 4 ++--
 .../activities/SearchSubredditsResultActivity.java                | 3 ++-
 .../infinityforreddit/activities/SearchUsersResultActivity.java   | 3 ++-
 .../infinityforreddit/activities/SelectUserFlairActivity.java     | 3 ++-
 .../infinityforreddit/activities/SubredditSelectionActivity.java  | 4 ++--
 .../infinityforreddit/activities/ViewPrivateMessagesActivity.java | 3 ++-
 .../adapters/CommentsListingRecyclerViewAdapter.java              | 2 +-
 .../infinityforreddit/adapters/CommentsRecyclerViewAdapter.java   | 6 +++---
 .../adapters/FollowedUsersRecyclerViewAdapter.java                | 3 ++-
 .../adapters/HistoryPostRecyclerViewAdapter.java                  | 2 +-
 .../adapters/MultiRedditListingRecyclerViewAdapter.java           | 3 ++-
 .../infinityforreddit/adapters/PostDetailRecyclerViewAdapter.java | 4 ++--
 .../infinityforreddit/adapters/PostRecyclerViewAdapter.java       | 2 +-
 .../adapters/PrivateMessagesDetailRecyclerViewAdapter.java        | 2 +-
 .../adapters/SubredditListingRecyclerViewAdapter.java             | 3 ++-
 .../adapters/SubscribedSubredditsRecyclerViewAdapter.java         | 5 +++--
 .../adapters/UserListingRecyclerViewAdapter.java                  | 5 +++--
 .../navigationdrawer/HeaderSectionRecyclerViewAdapter.java        | 2 +-
 .../NavigationDrawerRecyclerViewMergedAdapter.java                | 5 +++--
 .../navigationdrawer/PreferenceSectionRecyclerViewAdapter.java    | 2 +-
 .../infinityforreddit/asynctasks/CheckIsFollowingUser.java        | 4 +++-
 .../asynctasks/CheckIsSubscribedToSubreddit.java                  | 4 +++-
 44 files changed, 78 insertions(+), 58 deletions(-)

(limited to 'app')

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java
index 6fd2522f..6d82489c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AccessTokenAuthenticator.java
@@ -50,7 +50,7 @@ class AccessTokenAuthenticator implements Authenticator {
                 if (account == null) {
                     //Anonymous mode
                     String accessTokenFromSharedPreference = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, "");
-                    if (accessToken.equals(accessTokenFromSharedPreference)) {
+                    if (accessToken.equals(accessTokenFromSharedPreference) || accessToken.equals("null")) {
                         String newAccessToken = getApplicationOnlyAccessToken();
                         if (!newAccessToken.equals("")) {
                             return response.request().newBuilder().headers(Headers.of(APIUtils.getOAuthHeader(newAccessToken))).build();
@@ -99,7 +99,7 @@ class AccessTokenAuthenticator implements Authenticator {
                 } else {
                     mRedditDataRoomDatabase.accountDao().updateAccessTokenAndRefreshToken(account.getAccountName(), newAccessToken, newRefreshToken);
                 }
-                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, "").equals(account.getAccountName())) {
+                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT).equals(account.getAccountName())) {
                     mCurrentAccountSharedPreferences.edit().putString(SharedPreferencesUtils.ACCESS_TOKEN, newAccessToken).apply();
                 }
 
@@ -127,7 +127,7 @@ class AccessTokenAuthenticator implements Authenticator {
             if (response.isSuccessful() && response.body() != null) {
                 JSONObject jsonObject = new JSONObject(response.body());
                 String newAccessToken = jsonObject.getString(APIUtils.ACCESS_TOKEN_KEY);
-                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, "").equals(Account.ANONYMOUS_ACCOUNT)) {
+                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT).equals(Account.ANONYMOUS_ACCOUNT)) {
                     mCurrentAccountSharedPreferences.edit().putString(SharedPreferencesUtils.ACCESS_TOKEN, newAccessToken).apply();
                 }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AnyAccountAccessTokenAuthenticator.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AnyAccountAccessTokenAuthenticator.java
index 9bd31c2d..0819bd08 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AnyAccountAccessTokenAuthenticator.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AnyAccountAccessTokenAuthenticator.java
@@ -90,7 +90,7 @@ public class AnyAccountAccessTokenAuthenticator implements Authenticator {
                     mRedditDataRoomDatabase.accountDao().updateAccessTokenAndRefreshToken(account.getAccountName(), newAccessToken, newRefreshToken);
                 }
                 Account currentAccount = mRedditDataRoomDatabase.accountDao().getCurrentAccount();
-                if (currentAccount != null && mAccount.getAccountName().equals(currentAccount.getAccountName()) && mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, "").equals(account.getAccountName())) {
+                if (currentAccount != null && mAccount.getAccountName().equals(currentAccount.getAccountName()) && mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT).equals(account.getAccountName())) {
                     mCurrentAccountSharedPreferences.edit().putString(SharedPreferencesUtils.ACCESS_TOKEN, newAccessToken).apply();
                 }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/FavoriteThing.java b/app/src/main/java/ml/docilealligator/infinityforreddit/FavoriteThing.java
index 08f859d1..c01eba2f 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/FavoriteThing.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/FavoriteThing.java
@@ -23,7 +23,7 @@ import retrofit2.Retrofit;
 public class FavoriteThing {
     public static void favoriteSubreddit(Executor executor, Handler handler, Retrofit oauthRetrofit,
                                          RedditDataRoomDatabase redditDataRoomDatabase,
-                                         @Nullable String accessToken, String accountName,
+                                         @Nullable String accessToken, @NonNull String accountName,
                                          SubscribedSubredditData subscribedSubredditData,
                                          FavoriteThingListener favoriteThingListener) {
         if (accountName.equals(Account.ANONYMOUS_ACCOUNT)) {
@@ -54,7 +54,7 @@ public class FavoriteThing {
 
     public static void unfavoriteSubreddit(Executor executor, Handler handler, Retrofit oauthRetrofit,
                                            RedditDataRoomDatabase redditDataRoomDatabase,
-                                           @Nullable String accessToken, String accountName,
+                                           @Nullable String accessToken, @NonNull String accountName,
                                            SubscribedSubredditData subscribedSubredditData,
                                            FavoriteThingListener favoriteThingListener) {
         if (accountName.equals(Account.ANONYMOUS_ACCOUNT)) {
@@ -85,7 +85,7 @@ public class FavoriteThing {
 
     public static void favoriteUser(Executor executor, Handler handler, Retrofit oauthRetrofit,
                                     RedditDataRoomDatabase redditDataRoomDatabase,
-                                    @Nullable String accessToken, String accountName,
+                                    @Nullable String accessToken, @NonNull String accountName,
                                     SubscribedUserData subscribedUserData,
                                     FavoriteThingListener favoriteThingListener) {
         if (accountName.equals(Account.ANONYMOUS_ACCOUNT)) {
@@ -116,7 +116,7 @@ public class FavoriteThing {
 
     public static void unfavoriteUser(Executor executor, Handler handler, Retrofit oauthRetrofit,
                                       RedditDataRoomDatabase redditDataRoomDatabase,
-                                      @Nullable String accessToken, String accountName,
+                                      @Nullable String accessToken, @NonNull String accountName,
                                       SubscribedUserData subscribedUserData,
                                       FavoriteThingListener favoriteThingListener) {
         if (accountName.equals(Account.ANONYMOUS_ACCOUNT)) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRules.java b/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRules.java
index 808e393f..96debfbb 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRules.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/FetchRules.java
@@ -28,7 +28,7 @@ public class FetchRules {
     }
 
     public static void fetchRules(Executor executor, Handler handler, Retrofit retrofit, @Nullable String accessToken,
-                                  String accountName, String subredditName,
+                                  String subredditName,
                                   FetchRulesListener fetchRulesListener) {
         RedditAPI api = retrofit.create(RedditAPI.class);
         Call<String> rulesCall = api.getRulesOauth(APIUtils.getOAuthHeader(accessToken), subredditName);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/FetchSubscribedThing.java b/app/src/main/java/ml/docilealligator/infinityforreddit/FetchSubscribedThing.java
index 5c9d52ed..9a8f08f2 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/FetchSubscribedThing.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/FetchSubscribedThing.java
@@ -1,6 +1,7 @@
 package ml.docilealligator.infinityforreddit;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
 import java.util.ArrayList;
 
@@ -15,7 +16,7 @@ import retrofit2.Response;
 import retrofit2.Retrofit;
 
 public class FetchSubscribedThing {
-    public static void fetchSubscribedThing(final Retrofit oauthRetrofit, String accessToken, String accountName,
+    public static void fetchSubscribedThing(final Retrofit oauthRetrofit, @Nullable String accessToken, @NonNull String accountName,
                                             final String lastItem, final ArrayList<SubscribedSubredditData> subscribedSubredditData,
                                             final ArrayList<SubscribedUserData> subscribedUserData,
                                             final ArrayList<SubredditData> subredditData,
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/ParseSubscribedThing.java b/app/src/main/java/ml/docilealligator/infinityforreddit/ParseSubscribedThing.java
index e4d12a7f..3ccf964e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/ParseSubscribedThing.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/ParseSubscribedThing.java
@@ -2,6 +2,8 @@ package ml.docilealligator.infinityforreddit;
 
 import android.os.AsyncTask;
 
+import androidx.annotation.NonNull;
+
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -15,7 +17,7 @@ import ml.docilealligator.infinityforreddit.utils.JSONUtils;
 import ml.docilealligator.infinityforreddit.utils.Utils;
 
 class ParseSubscribedThing {
-    static void parseSubscribedSubreddits(String response, String accountName,
+    static void parseSubscribedSubreddits(String response, @NonNull String accountName,
                                           ArrayList<SubscribedSubredditData> subscribedSubredditData,
                                           ArrayList<SubscribedUserData> subscribedUserData,
                                           ArrayList<SubredditData> subredditData,
@@ -46,7 +48,7 @@ class ParseSubscribedThing {
         private ArrayList<SubredditData> newSubredditData;
         private ParseSubscribedSubredditsListener parseSubscribedSubredditsListener;
 
-        ParseSubscribedSubredditsAsyncTask(String response, String accountName, ArrayList<SubscribedSubredditData> subscribedSubredditData,
+        ParseSubscribedSubredditsAsyncTask(String response, @NonNull String accountName, ArrayList<SubscribedSubredditData> subscribedSubredditData,
                                            ArrayList<SubscribedUserData> subscribedUserData,
                                            ArrayList<SubredditData> subredditData,
                                            ParseSubscribedSubredditsListener parseSubscribedSubredditsListener) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java b/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java
index 5c54be73..984f01f8 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/PullNotificationWorker.java
@@ -260,7 +260,7 @@ public class PullNotificationWorker extends Worker {
                 } else {
                     mRedditDataRoomDatabase.accountDao().updateAccessTokenAndRefreshToken(account.getAccountName(), newAccessToken, newRefreshToken);
                 }
-                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, "").equals(account.getAccountName())) {
+                if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT).equals(account.getAccountName())) {
                     mCurrentAccountSharedPreferences.edit().putString(SharedPreferencesUtils.ACCESS_TOKEN, newAccessToken).apply();
                 }
                 return newAccessToken;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/SelectUserFlair.java b/app/src/main/java/ml/docilealligator/infinityforreddit/SelectUserFlair.java
index bb4b13b5..52012e28 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/SelectUserFlair.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/SelectUserFlair.java
@@ -27,7 +27,7 @@ public class SelectUserFlair {
     }
 
     public static void selectUserFlair(Retrofit oauthRetrofit, String accessToken, @Nullable UserFlair userFlair,
-                                       String subredditName, String accountName, SelectUserFlairListener selectUserFlairListener) {
+                                       String subredditName, @NonNull String accountName, SelectUserFlairListener selectUserFlairListener) {
         Map<String, String> params = new HashMap<>();
         params.put(APIUtils.API_TYPE_KEY, APIUtils.API_TYPE_JSON);
         if (userFlair != null) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountPostsActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountPostsActivity.java
index 1f5d229c..b1106935 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountPostsActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountPostsActivity.java
@@ -24,6 +24,7 @@ import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.SortType;
 import ml.docilealligator.infinityforreddit.SortTypeSelectionCallback;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostLayoutBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.slidr.Slidr;
@@ -109,7 +110,7 @@ public class AccountPostsActivity extends BaseActivity implements SortTypeSelect
         postLayoutBottomSheetFragment = new PostLayoutBottomSheetFragment();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState != null) {
             mFragment = getSupportFragmentManager().getFragment(savedInstanceState, FRAGMENT_OUT_STATE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountSavedThingActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountSavedThingActivity.java
index 76d8b4c6..554c1ad1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountSavedThingActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/AccountSavedThingActivity.java
@@ -32,6 +32,7 @@ import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.MarkPostAsReadInterface;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostLayoutBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.slidr.Slidr;
@@ -119,7 +120,7 @@ public class AccountSavedThingActivity extends BaseActivity implements ActivityT
         fragmentManager = getSupportFragmentManager();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         initializeViewPager();
     }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentActivity.java
index df492641..9a00a343 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/CommentActivity.java
@@ -162,7 +162,7 @@ public class CommentActivity extends BaseActivity implements UploadImageEnabledA
         mGlide = Glide.with(this);
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null) == null) {
+        if (mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT).equals(Account.ANONYMOUS_ACCOUNT)) {
             finish();
             return;
         }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditProfileActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditProfileActivity.java
index 786eee71..aff03608 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditProfileActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/EditProfileActivity.java
@@ -127,7 +127,7 @@ public class EditProfileActivity extends BaseActivity {
         }
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         changeBanner.setOnClickListener(view -> {
             startPickImage(PICK_IMAGE_BANNER_REQUEST_CODE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/FilteredPostsActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/FilteredPostsActivity.java
index a7656c8f..8780f4b6 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/FilteredPostsActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/FilteredPostsActivity.java
@@ -158,7 +158,7 @@ public class FilteredPostsActivity extends BaseActivity implements SortTypeSelec
         setToolbarGoToTop(toolbar);
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
         name = getIntent().getStringExtra(EXTRA_NAME);
         postType = getIntent().getIntExtra(EXTRA_POST_TYPE, PostPagingSource.TYPE_FRONT_PAGE);
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/HistoryActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/HistoryActivity.java
index 3a3a938e..221eb92b 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/HistoryActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/HistoryActivity.java
@@ -35,6 +35,7 @@ import butterknife.ButterKnife;
 import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostLayoutBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.slidr.Slidr;
@@ -120,7 +121,7 @@ public class HistoryActivity extends BaseActivity implements ActivityToolbarInte
         fragmentManager = getSupportFragmentManager();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         initializeViewPager();
     }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/InboxActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/InboxActivity.java
index 9c916fe1..4fa36e39 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/InboxActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/InboxActivity.java
@@ -158,7 +158,7 @@ public class InboxActivity extends BaseActivity implements ActivityToolbarInterf
         fragmentManager = getSupportFragmentManager();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState != null) {
             mNewAccountName = savedInstanceState.getString(NEW_ACCOUNT_NAME_STATE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MainActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MainActivity.java
index 45492485..dd6dbc5e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MainActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MainActivity.java
@@ -858,7 +858,7 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
                     }
 
                     @Override
-                    public void onAccountClick(String accountName) {
+                    public void onAccountClick(@NonNull String accountName) {
                         SwitchAccount.switchAccount(mRedditDataRoomDatabase, mCurrentAccountSharedPreferences,
                                 mExecutor, new Handler(), accountName, newAccount -> {
                             Intent intent = new Intent(MainActivity.this, MainActivity.class);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MultiredditSelectionActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MultiredditSelectionActivity.java
index 09d36b79..d84a2646 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MultiredditSelectionActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/MultiredditSelectionActivity.java
@@ -118,7 +118,7 @@ public class MultiredditSelectionActivity extends BaseActivity implements Activi
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState == null) {
             bindView(true);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java
index 1d980bae..56a19b37 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java
@@ -219,7 +219,7 @@ public class PostGalleryActivity extends BaseActivity implements FlairBottomShee
         resources = getResources();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         adapter = new RedditGallerySubmissionRecyclerViewAdapter(this, mCustomThemeWrapper, () -> {
             if (!isUploading) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostImageActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostImageActivity.java
index a1620880..e0fd0411 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostImageActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostImageActivity.java
@@ -212,7 +212,7 @@ public class PostImageActivity extends BaseActivity implements FlairBottomSheetF
         resources = getResources();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState != null) {
             selectedAccount = savedInstanceState.getParcelable(SELECTED_ACCOUNT_STATE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostPollActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostPollActivity.java
index 3ba6983c..57edeb79 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostPollActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostPollActivity.java
@@ -225,7 +225,7 @@ public class PostPollActivity extends BaseActivity implements FlairBottomSheetFr
         resources = getResources();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         Resources resources = getResources();
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostVideoActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostVideoActivity.java
index f405ad4c..716c108d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostVideoActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostVideoActivity.java
@@ -231,7 +231,7 @@ public class PostVideoActivity extends BaseActivity implements FlairBottomSheetF
         resources = getResources();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState != null) {
             selectedAccount = savedInstanceState.getParcelable(SELECTED_ACCOUNT_STATE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ReportActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ReportActivity.java
index 1907d2d4..a0c94f20 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ReportActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ReportActivity.java
@@ -119,7 +119,7 @@ public class ReportActivity extends BaseActivity {
         recyclerView.setAdapter(mAdapter);
 
         if (rulesReasons == null) {
-            FetchRules.fetchRules(mExecutor, new Handler(), mOauthRetrofit, mAccessToken, mAccountName, mSubredditName, new FetchRules.FetchRulesListener() {
+            FetchRules.fetchRules(mExecutor, new Handler(), mOauthRetrofit, mAccessToken, mSubredditName, new FetchRules.FetchRulesListener() {
                 @Override
                 public void success(ArrayList<Rule> rules) {
                     mAdapter.setRules(ReportReason.convertRulesToReasons(rules));
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/RulesActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/RulesActivity.java
index b0f59535..d5e89738 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/RulesActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/RulesActivity.java
@@ -134,7 +134,7 @@ public class RulesActivity extends BaseActivity {
         mAdapter = new RulesRecyclerViewAdapter(this, mCustomThemeWrapper, sliderPanel, mSubredditName);
         recyclerView.setAdapter(mAdapter);
 
-        FetchRules.fetchRules(mExecutor, new Handler(), mOauthRetrofit, mAccessToken, mAccountName,
+        FetchRules.fetchRules(mExecutor, new Handler(), mOauthRetrofit, mAccessToken,
                 mSubredditName, new FetchRules.FetchRulesListener() {
                     @Override
                     public void success(ArrayList<Rule> rules) {
@@ -183,7 +183,7 @@ public class RulesActivity extends BaseActivity {
         errorTextView.setOnClickListener(view -> {
             progressBar.setVisibility(View.VISIBLE);
             errorTextView.setVisibility(View.GONE);
-            FetchRules.fetchRules(mExecutor, new Handler(), mOauthRetrofit, mAccessToken, mAccountName, mSubredditName, new FetchRules.FetchRulesListener() {
+            FetchRules.fetchRules(mExecutor, new Handler(), mOauthRetrofit, mAccessToken, mSubredditName, new FetchRules.FetchRulesListener() {
                 @Override
                 public void success(ArrayList<Rule> rules) {
                     progressBar.setVisibility(View.GONE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java
index 58a098ba..bb1a5b00 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchSubredditsResultActivity.java
@@ -30,6 +30,7 @@ import butterknife.ButterKnife;
 import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.slidr.Slidr;
 import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
@@ -106,7 +107,7 @@ public class SearchSubredditsResultActivity extends BaseActivity implements Acti
         String query = getIntent().getExtras().getString(EXTRA_QUERY);
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState == null) {
             mFragment = new SubredditListingFragment();
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java
index 376f2975..7ee846fb 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SearchUsersResultActivity.java
@@ -30,6 +30,7 @@ import butterknife.ButterKnife;
 import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.slidr.Slidr;
 import ml.docilealligator.infinityforreddit.events.SwitchAccountEvent;
@@ -105,7 +106,7 @@ public class SearchUsersResultActivity extends BaseActivity implements ActivityT
         String query = getIntent().getExtras().getString(EXTRA_QUERY);
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState == null) {
             mFragment = new UserListingFragment();
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SelectUserFlairActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SelectUserFlairActivity.java
index 1a0930fb..05dbbf6f 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SelectUserFlairActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SelectUserFlairActivity.java
@@ -32,6 +32,7 @@ import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.SelectUserFlair;
 import ml.docilealligator.infinityforreddit.UserFlair;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.adapters.UserFlairRecyclerViewAdapter;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.customviews.LinearLayoutManagerBugFixed;
@@ -101,7 +102,7 @@ public class SelectUserFlairActivity extends BaseActivity implements ActivityToo
         setTitle(mSubredditName);
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState != null) {
             mUserFlairs = savedInstanceState.getParcelableArrayList(USER_FLAIRS_STATE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubredditSelectionActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubredditSelectionActivity.java
index 297c80b7..ecfffa08 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubredditSelectionActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/SubredditSelectionActivity.java
@@ -150,12 +150,12 @@ public class SubredditSelectionActivity extends BaseActivity implements Activity
                         .build();
             } else {
                 mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-                mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+                mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
                 mAccountProfileImageUrl = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_IMAGE_URL, null);
             }
         } else {
             mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-            mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+            mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
             mAccountProfileImageUrl = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_IMAGE_URL, null);
         }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPrivateMessagesActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPrivateMessagesActivity.java
index 1946aacb..61a60034 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPrivateMessagesActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewPrivateMessagesActivity.java
@@ -38,6 +38,7 @@ import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+import ml.docilealligator.infinityforreddit.account.Account;
 import ml.docilealligator.infinityforreddit.adapters.PrivateMessagesDetailRecyclerViewAdapter;
 import ml.docilealligator.infinityforreddit.asynctasks.LoadUserData;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
@@ -133,7 +134,7 @@ public class ViewPrivateMessagesActivity extends BaseActivity implements Activit
         mProvideUserAvatarCallbacks = new ArrayList<>();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
-        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
+        mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, Account.ANONYMOUS_ACCOUNT);
 
         if (savedInstanceState != null) {
             mUserAvatar = savedInstanceState.getString(USER_AVATAR_STATE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsListingRecyclerViewAdapter.java
index 64539461..e7b3b61a 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsListingRecyclerViewAdapter.java
@@ -119,7 +119,7 @@ public class CommentsListingRecyclerViewAdapter extends PagedListAdapter<Comment
     public CommentsListingRecyclerViewAdapter(BaseActivity activity, Retrofit oauthRetrofit,
                                               CustomThemeWrapper customThemeWrapper, Locale locale,
                                               SharedPreferences sharedPreferences, String accessToken,
-                                              String accountName, String username,
+                                              @NonNull String accountName, String username,
                                               RetryLoadingMoreCallback retryLoadingMoreCallback) {
         super(DIFF_CALLBACK);
         mActivity = activity;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java
index 7faa3a23..27c6f4f5 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CommentsRecyclerViewAdapter.java
@@ -165,7 +165,7 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
     public CommentsRecyclerViewAdapter(BaseActivity activity, ViewPostDetailFragment fragment,
                                        CustomThemeWrapper customThemeWrapper,
                                        Executor executor, Retrofit oauthRetrofit,
-                                       String accessToken, String accountName,
+                                       @Nullable String accessToken, @NonNull String accountName,
                                        Post post, Locale locale, String singleCommentId,
                                        boolean isSingleCommentThreadMode,
                                        SharedPreferences sharedPreferences,
@@ -175,6 +175,8 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
         mFragment = fragment;
         mExecutor = executor;
         mOauthRetrofit = oauthRetrofit;
+        mAccessToken = accessToken;
+        mAccountName = accountName;
         mGlide = Glide.with(activity);
         mSecondaryTextColor = customThemeWrapper.getSecondaryTextColor();
         mCommentTextColor = customThemeWrapper.getCommentColor();
@@ -255,8 +257,6 @@ public class CommentsRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVi
                     }
                 });
         recycledViewPool = new RecyclerView.RecycledViewPool();
-        mAccessToken = accessToken;
-        mAccountName = accountName;
         mPost = post;
         mVisibleComments = new ArrayList<>();
         mLocale = locale;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/FollowedUsersRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/FollowedUsersRecyclerViewAdapter.java
index 143a9596..90e88b37 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/FollowedUsersRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/FollowedUsersRecyclerViewAdapter.java
@@ -10,6 +10,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
@@ -54,7 +55,7 @@ public class FollowedUsersRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
     public FollowedUsersRecyclerViewAdapter(BaseActivity activity, Executor executor, Retrofit oauthRetrofit,
                                             RedditDataRoomDatabase redditDataRoomDatabase,
                                             CustomThemeWrapper customThemeWrapper,
-                                            String accessToken, String accountName) {
+                                            @Nullable String accessToken, @NonNull String accountName) {
         mActivity = activity;
         mExecutor = executor;
         mOauthRetrofit = oauthRetrofit;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/HistoryPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/HistoryPostRecyclerViewAdapter.java
index 5701960a..a7f17ab2 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/HistoryPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/HistoryPostRecyclerViewAdapter.java
@@ -244,7 +244,7 @@ public class HistoryPostRecyclerViewAdapter extends PagingDataAdapter<Post, Recy
     public HistoryPostRecyclerViewAdapter(BaseActivity activity, HistoryPostFragment fragment, Executor executor, Retrofit oauthRetrofit,
                                           Retrofit gfycatRetrofit, Retrofit redgifsRetrofit, Provider<StreamableAPI> streambleApiProvider,
                                           CustomThemeWrapper customThemeWrapper, Locale locale,
-                                          String accessToken, String accountName, int postType, int postLayout, boolean displaySubredditName,
+                                          @Nullable String accessToken, @NonNull String accountName, int postType, int postLayout, boolean displaySubredditName,
                                           SharedPreferences sharedPreferences, SharedPreferences currentAccountSharedPreferences,
                                           SharedPreferences nsfwAndSpoilerSharedPreferences,
                                           ExoCreator exoCreator, Callback callback) {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/MultiRedditListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/MultiRedditListingRecyclerViewAdapter.java
index bef5f998..0122ffa5 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/MultiRedditListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/MultiRedditListingRecyclerViewAdapter.java
@@ -9,6 +9,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
@@ -62,7 +63,7 @@ public class MultiRedditListingRecyclerViewAdapter extends RecyclerView.Adapter<
     public MultiRedditListingRecyclerViewAdapter(BaseActivity activity, Executor executor, Retrofit oauthRetrofit,
                                                  RedditDataRoomDatabase redditDataRoomDatabase,
                                                  CustomThemeWrapper customThemeWrapper,
-                                                 String accessToken, String accountName,
+                                                 @Nullable String accessToken, @NonNull String accountName,
                                                  OnItemClickListener onItemClickListener) {
         mActivity = activity;
         mExecutor = executor;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostDetailRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostDetailRecyclerViewAdapter.java
index ad158f05..311082b7 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostDetailRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostDetailRecyclerViewAdapter.java
@@ -227,8 +227,8 @@ public class PostDetailRecyclerViewAdapter extends RecyclerView.Adapter<Recycler
                                          Retrofit retrofit, Retrofit oauthRetrofit, Retrofit gfycatRetrofit,
                                          Retrofit redgifsRetrofit, Provider<StreamableAPI> streamableApiProvider,
                                          RedditDataRoomDatabase redditDataRoomDatabase, RequestManager glide,
-                                         boolean separatePostAndComments, String accessToken,
-                                         String accountName, Post post, Locale locale,
+                                         boolean separatePostAndComments, @Nullable String accessToken,
+                                         @NonNull String accountName, Post post, Locale locale,
                                          SharedPreferences sharedPreferences,
                                          SharedPreferences currentAccountSharedPreferences,
                                          SharedPreferences nsfwAndSpoilerSharedPreferences,
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java
index f356b8fb..d5b3f0ab 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostRecyclerViewAdapter.java
@@ -257,7 +257,7 @@ public class PostRecyclerViewAdapter extends PagingDataAdapter<Post, RecyclerVie
     public PostRecyclerViewAdapter(BaseActivity activity, PostFragment fragment, Executor executor, Retrofit oauthRetrofit,
                                    Retrofit gfycatRetrofit, Retrofit redgifsRetrofit, Provider<StreamableAPI> streamableApiProvider,
                                    CustomThemeWrapper customThemeWrapper, Locale locale,
-                                   String accessToken, String accountName, int postType, int postLayout, boolean displaySubredditName,
+                                   @Nullable String accessToken, @NonNull String accountName, int postType, int postLayout, boolean displaySubredditName,
                                    SharedPreferences sharedPreferences, SharedPreferences currentAccountSharedPreferences,
                                    SharedPreferences nsfwAndSpoilerSharedPreferences,
                                    SharedPreferences postHistorySharedPreferences,
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PrivateMessagesDetailRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PrivateMessagesDetailRecyclerViewAdapter.java
index c4f859d4..a7371257 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PrivateMessagesDetailRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PrivateMessagesDetailRecyclerViewAdapter.java
@@ -70,7 +70,7 @@ public class PrivateMessagesDetailRecyclerViewAdapter extends RecyclerView.Adapt
 
     public PrivateMessagesDetailRecyclerViewAdapter(ViewPrivateMessagesActivity viewPrivateMessagesActivity,
                                                     SharedPreferences sharedPreferences, Locale locale,
-                                                    Message message, String accountName,
+                                                    Message message, @NonNull String accountName,
                                                     CustomThemeWrapper customThemeWrapper) {
         mMessage = message;
         mViewPrivateMessagesActivity = viewPrivateMessagesActivity;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubredditListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubredditListingRecyclerViewAdapter.java
index bdd28bdc..a6ce267a 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubredditListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubredditListingRecyclerViewAdapter.java
@@ -13,6 +13,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.paging.PagedListAdapter;
 import androidx.recyclerview.widget.DiffUtil;
@@ -76,7 +77,7 @@ public class SubredditListingRecyclerViewAdapter extends PagedListAdapter<Subred
 
     public SubredditListingRecyclerViewAdapter(BaseActivity activity, Executor executor, Retrofit oauthRetrofit, Retrofit retrofit,
                                                CustomThemeWrapper customThemeWrapper,
-                                               String accessToken, String accountName,
+                                               @Nullable String accessToken, @NonNull String accountName,
                                                RedditDataRoomDatabase redditDataRoomDatabase,
                                                boolean isMultiSelection, Callback callback) {
         super(DIFF_CALLBACK);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubscribedSubredditsRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubscribedSubredditsRecyclerViewAdapter.java
index f6f3d597..939807d9 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubscribedSubredditsRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/SubscribedSubredditsRecyclerViewAdapter.java
@@ -10,6 +10,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.bumptech.glide.Glide;
@@ -60,7 +61,7 @@ public class SubscribedSubredditsRecyclerViewAdapter extends RecyclerView.Adapte
     public SubscribedSubredditsRecyclerViewAdapter(BaseActivity activity, Executor executor, Retrofit oauthRetrofit,
                                                    RedditDataRoomDatabase redditDataRoomDatabase,
                                                    CustomThemeWrapper customThemeWrapper,
-                                                   String accessToken, String accountName) {
+                                                   @Nullable String accessToken, @NonNull String accountName) {
         mActivity = activity;
         mExecutor = executor;
         glide = Glide.with(activity);
@@ -75,7 +76,7 @@ public class SubscribedSubredditsRecyclerViewAdapter extends RecyclerView.Adapte
     public SubscribedSubredditsRecyclerViewAdapter(BaseActivity activity, Executor executor, Retrofit oauthRetrofit,
                                                    RedditDataRoomDatabase redditDataRoomDatabase,
                                                    CustomThemeWrapper customThemeWrapper,
-                                                   String accessToken, String accountName, boolean hasClearSelectionRow,
+                                                   @Nullable String accessToken, @NonNull String accountName, boolean hasClearSelectionRow,
                                                    ItemClickListener itemClickListener) {
         this(activity, executor, oauthRetrofit, redditDataRoomDatabase, customThemeWrapper, accessToken, accountName);
         this.hasClearSelectionRow = hasClearSelectionRow;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java
index 1ca779ac..6c12336d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/UserListingRecyclerViewAdapter.java
@@ -13,6 +13,7 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.paging.PagedListAdapter;
 import androidx.recyclerview.widget.DiffUtil;
@@ -74,8 +75,8 @@ public class UserListingRecyclerViewAdapter extends PagedListAdapter<UserData, R
     private final Callback callback;
 
     public UserListingRecyclerViewAdapter(BaseActivity activity, Executor executor, Retrofit oauthRetrofit, Retrofit retrofit,
-                                          CustomThemeWrapper customThemeWrapper, String accessToken,
-                                          String accountName, RedditDataRoomDatabase redditDataRoomDatabase,
+                                          CustomThemeWrapper customThemeWrapper, @Nullable String accessToken,
+                                          @NonNull String accountName, RedditDataRoomDatabase redditDataRoomDatabase,
                                           boolean isMultiSelection, Callback callback) {
         super(DIFF_CALLBACK);
         this.activity = activity;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/HeaderSectionRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/HeaderSectionRecyclerViewAdapter.java
index be4b158d..4eda8e4d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/HeaderSectionRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/HeaderSectionRecyclerViewAdapter.java
@@ -51,7 +51,7 @@ public class HeaderSectionRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
     private boolean hideKarma;
 
     public HeaderSectionRecyclerViewAdapter(BaseActivity baseActivity, CustomThemeWrapper customThemeWrapper,
-                                            RequestManager glide, String accountName,
+                                            RequestManager glide, @NonNull String accountName,
                                             SharedPreferences sharedPreferences,
                                             SharedPreferences navigationDrawerSharedPreferences,
                                             SharedPreferences securitySharedPreferences,
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/NavigationDrawerRecyclerViewMergedAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/NavigationDrawerRecyclerViewMergedAdapter.java
index 3084ffc3..8e6ef6e5 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/NavigationDrawerRecyclerViewMergedAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/NavigationDrawerRecyclerViewMergedAdapter.java
@@ -2,6 +2,7 @@ package ml.docilealligator.infinityforreddit.adapters.navigationdrawer;
 
 import android.content.SharedPreferences;
 
+import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.ConcatAdapter;
 
 import com.bumptech.glide.Glide;
@@ -30,7 +31,7 @@ public class NavigationDrawerRecyclerViewMergedAdapter {
                                                      SharedPreferences navigationDrawerSharedPreferences,
                                                      SharedPreferences securitySharedPreferences,
                                                      CustomThemeWrapper customThemeWrapper,
-                                                     String accountName,
+                                                     @NonNull String accountName,
                                                      ItemClickListener itemClickListener) {
         RequestManager glide = Glide.with(baseActivity);
 
@@ -142,6 +143,6 @@ public class NavigationDrawerRecyclerViewMergedAdapter {
     public interface ItemClickListener {
         void onMenuClick(int stringId);
         void onSubscribedSubredditClick(String subredditName);
-        void onAccountClick(String accountName);
+        void onAccountClick(@NonNull String accountName);
     }
 }
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/PreferenceSectionRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/PreferenceSectionRecyclerViewAdapter.java
index b4a969a6..b6538166 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/PreferenceSectionRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/adapters/navigationdrawer/PreferenceSectionRecyclerViewAdapter.java
@@ -37,7 +37,7 @@ public class PreferenceSectionRecyclerViewAdapter extends RecyclerView.Adapter<R
     private NavigationDrawerRecyclerViewMergedAdapter.ItemClickListener itemClickListener;
 
     public PreferenceSectionRecyclerViewAdapter(BaseActivity baseActivity, CustomThemeWrapper customThemeWrapper,
-                                                String accountName, SharedPreferences nsfwAndSpoilerSharedPreferences,
+                                                @NonNull String accountName, SharedPreferences nsfwAndSpoilerSharedPreferences,
                                                 SharedPreferences navigationDrawerSharedPreferences,
                                                 NavigationDrawerRecyclerViewMergedAdapter.ItemClickListener itemClickListener) {
         this.baseActivity = baseActivity;
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsFollowingUser.java b/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsFollowingUser.java
index f4e34ce3..94674bad 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsFollowingUser.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsFollowingUser.java
@@ -2,6 +2,8 @@ package ml.docilealligator.infinityforreddit.asynctasks;
 
 import android.os.Handler;
 
+import androidx.annotation.NonNull;
+
 import java.util.concurrent.Executor;
 
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
@@ -11,7 +13,7 @@ import ml.docilealligator.infinityforreddit.subscribeduser.SubscribedUserData;
 public class CheckIsFollowingUser {
     public static void checkIsFollowingUser(Executor executor, Handler handler,
                                             RedditDataRoomDatabase redditDataRoomDatabase, String username,
-                                            String accountName, CheckIsFollowingUserListener checkIsFollowingUserListener) {
+                                            @NonNull String accountName, CheckIsFollowingUserListener checkIsFollowingUserListener) {
         executor.execute(() -> {
             SubscribedUserData subscribedUserData = redditDataRoomDatabase.subscribedUserDao().getSubscribedUser(username, accountName.equals(Account.ANONYMOUS_ACCOUNT) ? Account.ANONYMOUS_ACCOUNT : accountName);
             handler.post(() -> {
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsSubscribedToSubreddit.java b/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsSubscribedToSubreddit.java
index 830c6dbc..ef8952b8 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsSubscribedToSubreddit.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/asynctasks/CheckIsSubscribedToSubreddit.java
@@ -2,6 +2,8 @@ package ml.docilealligator.infinityforreddit.asynctasks;
 
 import android.os.Handler;
 
+import androidx.annotation.NonNull;
+
 import java.util.concurrent.Executor;
 
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
@@ -11,7 +13,7 @@ import ml.docilealligator.infinityforreddit.subscribedsubreddit.SubscribedSubred
 public class CheckIsSubscribedToSubreddit {
 
     public static void checkIsSubscribedToSubreddit(Executor executor, Handler handler, RedditDataRoomDatabase redditDataRoomDatabase,
-                                                    String subredditName, String accountName,
+                                                    String subredditName, @NonNull String accountName,
                                                     CheckIsSubscribedToSubredditListener checkIsSubscribedToSubredditListener) {
         executor.execute(() -> {
             if (accountName.equals(Account.ANONYMOUS_ACCOUNT)) {
-- 
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