Anonymous browsing

This commit adds the Anonymous browsing functionality. Unfortunately, the anonymous home page is disabled as of now.

app/src/main/java/eu/toldi/infinityforlemmy/activities/MainActivity.java

@@ -60,6 +60,8 @@ import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
 
+import java.net.MalformedURLException;
+import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.Executor;
@@ -325,9 +327,10 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
         fragmentManager = getSupportFragmentManager();
 
         mAccessToken = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCESS_TOKEN, null);
+
         mAccountName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_NAME, null);
         mAccountQualifiedName = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_QUALIFIED_NAME, null);
-        String instance = mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_INSTANCE, null);
+        String instance = (mAccessToken == null) ? mSharedPreferences.getString(SharedPreferencesUtils.ANONYMOUS_ACCOUNT_INSTANCE, APIUtils.API_BASE_URI) : mCurrentAccountSharedPreferences.getString(SharedPreferencesUtils.ACCOUNT_INSTANCE, null);
         if(instance != null) {
             mRetrofit.setBaseURL(instance);
         }
@@ -348,6 +351,17 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
         initializeNotificationAndBindView();
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+        if (mAccessToken == null) {
+            String instancePreference = mSharedPreferences.getString(SharedPreferencesUtils.ANONYMOUS_ACCOUNT_INSTANCE, APIUtils.API_BASE_URI);
+            if (!mRetrofit.getBaseURL().equalsIgnoreCase(instancePreference)) {
+                this.recreate();
+            }
+        }
+    }
+
     @Override
     public SharedPreferences getDefaultSharedPreferences() {
         return mSharedPreferences;
@@ -858,6 +872,8 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
                                         startActivity(logOutIntent);
                                         finish();
                                     });
+                        } else if (stringId == R.string.anonymous_account_instance) {
+                            changeAnonymousAccountInstance();
                         }
                         if (intent != null) {
                             startActivity(intent);
@@ -1385,6 +1401,72 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
         }
     }
 
+    private void changeAnonymousAccountInstance() {
+        View rootView = getLayoutInflater().inflate(R.layout.dialog_go_to_thing_edit_text, coordinatorLayout, false);
+        TextInputEditText thingEditText = rootView.findViewById(R.id.text_input_edit_text_go_to_thing_edit_text);
+
+        thingEditText.requestFocus();
+        thingEditText.setText(mSharedPreferences.getString(SharedPreferencesUtils.ANONYMOUS_ACCOUNT_INSTANCE, APIUtils.API_BASE_URI));
+        Utils.showKeyboard(this, new Handler(), thingEditText);
+        thingEditText.setOnEditorActionListener((textView, i, keyEvent) -> {
+            if (i == EditorInfo.IME_ACTION_DONE) {
+                Utils.hideKeyboard(this);
+                String url = thingEditText.getText().toString();
+                if (url.isEmpty()) {
+                    thingEditText.setError("Instance URL cannot be empty");
+                    return false;
+                }
+                if (!url.startsWith("http://") || !url.startsWith("https://")) {
+                    url = "https://" + url;
+                }
+                try {
+                    URL urlObj = new URL(url);
+                    url = urlObj.getProtocol() + "://" + urlObj.getHost() + "/";
+                    mSharedPreferences.edit().putString(SharedPreferencesUtils.ANONYMOUS_ACCOUNT_INSTANCE, url).apply();
+                    mRetrofit.setBaseURL(url);
+                    sectionsPagerAdapter.getCurrentFragment().refresh();
+                } catch (MalformedURLException e) {
+                    thingEditText.setError("Invalid URL");
+                    return false;
+                }
+                return true;
+            }
+            return false;
+        });
+
+        new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
+                .setTitle(R.string.anonymous_account_instance)
+                .setView(rootView)
+                .setPositiveButton(R.string.ok, (dialogInterface, i)
+                        -> {
+                    Utils.hideKeyboard(this);
+                    String url = thingEditText.getText().toString();
+                    if (url.isEmpty()) {
+                        thingEditText.setError("Instance URL cannot be empty");
+                        return;
+                    }
+                    if (!url.startsWith("http://") && !url.startsWith("https://")) {
+                        url = "https://" + url;
+                    }
+                    try {
+                        URL urlObj = new URL(url);
+                        url = urlObj.getProtocol() + "://" + urlObj.getHost() + "/";
+                        mSharedPreferences.edit().putString(SharedPreferencesUtils.ANONYMOUS_ACCOUNT_INSTANCE, url).apply();
+                        mRetrofit.setBaseURL(url);
+                        sectionsPagerAdapter.getCurrentFragment().refresh();
+                    } catch (MalformedURLException e) {
+                        thingEditText.setError("Invalid URL");
+                    }
+                })
+                .setNegativeButton(R.string.cancel, (dialogInterface, i) -> {
+                    Utils.hideKeyboard(this);
+                })
+                .setOnDismissListener(dialogInterface -> {
+                    Utils.hideKeyboard(this);
+                })
+                .show();
+    }
+
     private void goToSubreddit() {
         View rootView = getLayoutInflater().inflate(R.layout.dialog_go_to_thing_edit_text, coordinatorLayout, false);
         TextInputEditText thingEditText = rootView.findViewById(R.id.text_input_edit_text_go_to_thing_edit_text);
@@ -1648,7 +1730,7 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
             } else if (postType == SharedPreferencesUtils.MAIN_PAGE_TAB_POST_TYPE_ALL) {
                 PostFragment fragment = new PostFragment();
                 Bundle bundle = new Bundle();
-                bundle.putInt(PostFragment.EXTRA_POST_TYPE, mAccessToken == null ? PostPagingSource.TYPE_ANONYMOUS_FRONT_PAGE : PostPagingSource.TYPE_FRONT_PAGE);
+                bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostPagingSource.TYPE_FRONT_PAGE);
                 bundle.putString(PostFragment.EXTRA_NAME, "all");
                 bundle.putString(PostFragment.EXTRA_ACCESS_TOKEN, mAccessToken);
                 bundle.putString(PostFragment.EXTRA_ACCOUNT_NAME, mAccountName);
@@ -1712,7 +1794,7 @@ public class MainActivity extends BaseActivity implements SortTypeSelectionCallb
             } else {
                 PostFragment fragment = new PostFragment();
                 Bundle bundle = new Bundle();
-                bundle.putInt(PostFragment.EXTRA_POST_TYPE, mAccessToken == null ? PostPagingSource.TYPE_ANONYMOUS_FRONT_PAGE : PostPagingSource.TYPE_FRONT_PAGE);
+                bundle.putInt(PostFragment.EXTRA_POST_TYPE, PostPagingSource.TYPE_FRONT_PAGE);
                 bundle.putString(PostFragment.EXTRA_NAME, "local");
                 bundle.putString(PostFragment.EXTRA_ACCESS_TOKEN, mAccessToken);
                 bundle.putString(PostFragment.EXTRA_ACCOUNT_NAME, mAccountName);

app/src/main/java/eu/toldi/infinityforlemmy/activities/ViewSubredditDetailActivity.java

@@ -582,7 +582,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
                     subscriptionReady = false;
                     if (getResources().getString(R.string.subscribe).contentEquals(subscribeSubredditChip.getText())) {
                         CommunitySubscription.anonymousSubscribeToSubreddit(mExecutor, new Handler(),
-                                mRetrofit.getRetrofit(), mRedditDataRoomDatabase, communityName,
+                                mRetrofit.getRetrofit(), mRedditDataRoomDatabase, qualifiedName,
                                 new CommunitySubscription.SubredditSubscriptionListener() {
                                     @Override
                                     public void onSubredditSubscriptionSuccess() {
@@ -600,7 +600,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
                                 });
                     } else {
                         CommunitySubscription.anonymousUnsubscribeToSubreddit(mExecutor, new Handler(),
-                                mRedditDataRoomDatabase, communityName,
+                                mRedditDataRoomDatabase, qualifiedName,
                                 new CommunitySubscription.SubredditSubscriptionListener() {
                                     @Override
                                     public void onSubredditSubscriptionSuccess() {

app/src/main/java/eu/toldi/infinityforlemmy/adapters/navigationdrawer/NavigationDrawerRecyclerViewMergedAdapter.java

@@ -50,7 +50,7 @@ public class NavigationDrawerRecyclerViewMergedAdapter {
         accountSectionRecyclerViewAdapter = new AccountSectionRecyclerViewAdapter(baseActivity, customThemeWrapper,
                 navigationDrawerSharedPreferences, accountName != null, itemClickListener);
         redditSectionRecyclerViewAdapter = new RedditSectionRecyclerViewAdapter(baseActivity, customThemeWrapper,
-                navigationDrawerSharedPreferences, itemClickListener);
+                navigationDrawerSharedPreferences, itemClickListener, accountName != null);
         postSectionRecyclerViewAdapter = new PostSectionRecyclerViewAdapter(baseActivity, customThemeWrapper,
                 navigationDrawerSharedPreferences, accountName != null, itemClickListener);
         preferenceSectionRecyclerViewAdapter = new PreferenceSectionRecyclerViewAdapter(baseActivity, customThemeWrapper,

app/src/main/java/eu/toldi/infinityforlemmy/adapters/navigationdrawer/RedditSectionRecyclerViewAdapter.java

@@ -22,7 +22,8 @@ public class RedditSectionRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
 
     private static final int VIEW_TYPE_MENU_GROUP_TITLE = 1;
     private static final int VIEW_TYPE_MENU_ITEM = 2;
-    private static final int REDDIT_SECTION_ITEMS = 1;
+    private static final int REDDIT_SECTION_ITEMS = 2;
+    private final boolean isLoggedIn;
 
     private BaseActivity baseActivity;
     private int primaryTextColor;
@@ -33,13 +34,14 @@ public class RedditSectionRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
 
     public RedditSectionRecyclerViewAdapter(BaseActivity baseActivity, CustomThemeWrapper customThemeWrapper,
                                             SharedPreferences navigationDrawerSharedPreferences,
-                                            NavigationDrawerRecyclerViewMergedAdapter.ItemClickListener itemClickListener) {
+                                            NavigationDrawerRecyclerViewMergedAdapter.ItemClickListener itemClickListener, boolean isLoggedIn) {
         this.baseActivity = baseActivity;
         primaryTextColor = customThemeWrapper.getPrimaryTextColor();
         secondaryTextColor = customThemeWrapper.getSecondaryTextColor();
         primaryIconColor = customThemeWrapper.getPrimaryIconColor();
         collapseRedditSection = navigationDrawerSharedPreferences.getBoolean(SharedPreferencesUtils.COLLAPSE_REDDIT_SECTION, false);
         this.itemClickListener = itemClickListener;
+        this.isLoggedIn = isLoggedIn;
     }
 
     @Override
@@ -88,6 +90,9 @@ public class RedditSectionRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
                     stringId = R.string.trending;
                     drawableId = R.drawable.ic_trending_24dp;
                     break;
+                case 2:
+                    stringId = R.string.anonymous_account_instance;
+                    drawableId = R.drawable.ic_account_circle_24dp;
             }
 
             ((MenuItemViewHolder) holder).menuTextView.setText(stringId);
@@ -99,7 +104,7 @@ public class RedditSectionRecyclerViewAdapter extends RecyclerView.Adapter<Recyc
 
     @Override
     public int getItemCount() {
-        return collapseRedditSection ? 1 : REDDIT_SECTION_ITEMS + 1;
+        return isLoggedIn ? (REDDIT_SECTION_ITEMS + 1) - 1 : collapseRedditSection ? 1 : REDDIT_SECTION_ITEMS + 1;
     }
 
     class MenuGroupTitleViewHolder extends RecyclerView.ViewHolder {

app/src/main/java/eu/toldi/infinityforlemmy/fragments/PostFragment.java

@@ -398,8 +398,6 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
             }
         };
 
-        mSwipeRefreshLayout.setEnabled(mSharedPreferences.getBoolean(SharedPreferencesUtils.PULL_TO_REFRESH, true));
-        mSwipeRefreshLayout.setOnRefreshListener(this::refresh);
 
         int recyclerViewPosition = 0;
         if (savedInstanceState != null) {
@@ -437,6 +435,9 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
 
         postType = getArguments().getInt(EXTRA_POST_TYPE);
 
+        mSwipeRefreshLayout.setEnabled(mSharedPreferences.getBoolean(SharedPreferencesUtils.PULL_TO_REFRESH, true) && postType != PostPagingSource.TYPE_ANONYMOUS_FRONT_PAGE);
+        mSwipeRefreshLayout.setOnRefreshListener(this::refresh);
+
         accessToken = getArguments().getString(EXTRA_ACCESS_TOKEN);
         accountName = getArguments().getString(EXTRA_ACCOUNT_NAME);
         int defaultPostLayout = Integer.parseInt(mSharedPreferences.getString(SharedPreferencesUtils.DEFAULT_POST_LAYOUT_KEY, "0"));
@@ -725,6 +726,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                 }
             });
         } else if (postType == PostPagingSource.TYPE_ANONYMOUS_FRONT_PAGE) {
+            subredditName = getArguments().getString(EXTRA_NAME);
             usage = PostFilterUsage.HOME_TYPE;
             nameOfUsage = PostFilterUsage.NO_USAGE;
             subredditName = getArguments().getString(EXTRA_NAME);
@@ -971,11 +973,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                                         this.postFilter = postFilter;
                                         postFilter.allowNSFW = !mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_NSFW_FOREVER, false) && mNsfwAndSpoilerSharedPreferences.getBoolean(SharedPreferencesUtils.NSFW_BASE, false);
                                         this.concatenatedSubredditNames = concatenatedSubredditNames;
-                                        if (concatenatedSubredditNames == null) {
+                                        showErrorView(R.string.anonymous_homepage_not_implemented);
-                                            showErrorView(R.string.anonymous_front_page_no_subscriptions);
-                                        } else {
-                                            initializeAndBindPostViewModelForAnonymous(concatenatedSubredditNames);
-                                        }
                                     }
                                 });
                     } else {
@@ -1017,11 +1015,7 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                                     if (activity != null && !activity.isFinishing() && !activity.isDestroyed() && !isDetached()) {
                                         postFilter.allowNSFW = !mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_NSFW_FOREVER, false) && mNsfwAndSpoilerSharedPreferences.getBoolean(SharedPreferencesUtils.NSFW_BASE, false);
                                         this.concatenatedSubredditNames = concatenatedSubredditNames;
-                                        if (concatenatedSubredditNames == null) {
+                                        showErrorView(R.string.anonymous_homepage_not_implemented);
-                                            showErrorView(R.string.anonymous_front_page_no_subscriptions);
-                                        } else {
-                                            initializeAndBindPostViewModelForAnonymous(concatenatedSubredditNames);
-                                        }
                                     }
                                 });
                     } else {
@@ -1209,33 +1203,33 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
     private void initializeAndBindPostViewModel(String accessToken) {
         if (postType == PostPagingSource.TYPE_SEARCH) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit() , accessToken,
+                    mRetrofit, accessToken,
                     accountName, mSharedPreferences,
                     mPostFeedScrolledPositionSharedPreferences, mPostHistorySharedPreferences, subredditName,
                     query, trendingSource, postType, sortType, postFilter, readPosts)).get(PostViewModel.class);
         } else if (postType == PostPagingSource.TYPE_SUBREDDIT) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit() , accessToken,
+                    mRetrofit, accessToken,
                     accountName, mSharedPreferences, mPostFeedScrolledPositionSharedPreferences,
                     mPostHistorySharedPreferences, subredditName, postType, sortType, postFilter, readPosts))
                     .get(PostViewModel.class);
         } else if (postType == PostPagingSource.TYPE_MULTI_REDDIT) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), accessToken,
+                    mRetrofit, accessToken,
                     accountName, mSharedPreferences, mPostFeedScrolledPositionSharedPreferences,
                     mPostHistorySharedPreferences, multiRedditPath, postType, sortType, postFilter, readPosts))
                     .get(PostViewModel.class);
         } else if (postType == PostPagingSource.TYPE_USER) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), accessToken,
+                    mRetrofit, accessToken,
                     accountName, mSharedPreferences, mPostFeedScrolledPositionSharedPreferences,
                     mPostHistorySharedPreferences, username, postType, sortType, postFilter, where, readPosts))
                     .get(PostViewModel.class);
         } else {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), accessToken,
+                    mRetrofit, accessToken,
                     accountName, mSharedPreferences, mPostFeedScrolledPositionSharedPreferences,
-                    mPostHistorySharedPreferences, postType, sortType, postFilter, readPosts,subredditName)).get(PostViewModel.class);
+                    mPostHistorySharedPreferences, postType, sortType, postFilter, readPosts, subredditName)).get(PostViewModel.class);
         }
 
         bindPostViewModel();
@@ -1245,28 +1239,28 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
         //For anonymous user
         if (postType == PostPagingSource.TYPE_SEARCH) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), null, accountName, mSharedPreferences,
+                    mRetrofit, null, accountName, mSharedPreferences,
                     mPostFeedScrolledPositionSharedPreferences, null, subredditName, query, trendingSource,
                     postType, sortType, postFilter, readPosts)).get(PostViewModel.class);
         } else if (postType == PostPagingSource.TYPE_SUBREDDIT) {
             mPostViewModel = new ViewModelProvider(this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), null, accountName, mSharedPreferences,
+                    mRetrofit, null, accountName, mSharedPreferences,
                     mPostFeedScrolledPositionSharedPreferences, null, subredditName, postType, sortType,
                     postFilter, readPosts)).get(PostViewModel.class);
         } else if (postType == PostPagingSource.TYPE_MULTI_REDDIT) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), null, accountName, mSharedPreferences,
+                    mRetrofit, null, accountName, mSharedPreferences,
                     mPostFeedScrolledPositionSharedPreferences, null, multiRedditPath,
                     postType, sortType, postFilter, readPosts)).get(PostViewModel.class);
         } else if (postType == PostPagingSource.TYPE_USER) {
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), null, accountName, mSharedPreferences,
+                    mRetrofit, null, accountName, mSharedPreferences,
                     mPostFeedScrolledPositionSharedPreferences, null, username, postType, sortType, postFilter,
                     where, readPosts)).get(PostViewModel.class);
         } else {
             //Anonymous Front Page
             mPostViewModel = new ViewModelProvider(PostFragment.this, new PostViewModel.Factory(mExecutor,
-                    mRetrofit.getRetrofit(), mSharedPreferences, concatenatedSubredditNames, postType, sortType, postFilter,subredditName))
+                    mRetrofit, mSharedPreferences, concatenatedSubredditNames, postType, sortType, postFilter, subredditName))
                     .get(PostViewModel.class);
         }
 
@@ -1357,7 +1351,12 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
         }
 
         mFetchPostInfoLinearLayout.setOnClickListener(null);
-        showErrorView(R.string.no_posts);
+        if (accessToken != null) {
+            showErrorView(R.string.no_posts);
+        } else {
+            showErrorView(R.string.anonymous_homepage_not_implemented);
+        }
+
     }
 
     public void changeSortType(SortType sortType) {

app/src/main/java/eu/toldi/infinityforlemmy/post/PostPagingSource.java

@@ -18,13 +18,13 @@ import java.util.List;
 import java.util.Objects;
 import java.util.concurrent.Executor;
 
+import eu.toldi.infinityforlemmy.RetrofitHolder;
 import eu.toldi.infinityforlemmy.SortType;
 import eu.toldi.infinityforlemmy.apis.LemmyAPI;
 import eu.toldi.infinityforlemmy.postfilter.PostFilter;
 import eu.toldi.infinityforlemmy.utils.SharedPreferencesUtils;
 import retrofit2.HttpException;
 import retrofit2.Response;
-import retrofit2.Retrofit;
 
 public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post> {
     public static final int TYPE_FRONT_PAGE = 0;
@@ -43,7 +43,7 @@ public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post
     public static final String USER_WHERE_GILDED = "gilded";
 
     private Executor executor;
-    private Retrofit retrofit;
+    private RetrofitHolder retrofit;
     private String accessToken;
     private String accountName;
     private SharedPreferences sharedPreferences;
@@ -61,10 +61,10 @@ public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post
 
     private int page = 1;
 
-    PostPagingSource(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    PostPagingSource(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                      SharedPreferences sharedPreferences,
                      SharedPreferences postFeedScrolledPositionSharedPreferences, int postType,
-                     SortType sortType, PostFilter postFilter, List<String> readPostList,String option) {
+                     SortType sortType, PostFilter postFilter, List<String> readPostList, String option) {
         this.executor = executor;
         this.retrofit = retrofit;
         this.accessToken = accessToken;
@@ -79,7 +79,7 @@ public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post
         postLinkedHashSet = new LinkedHashSet<>();
     }
 
-    PostPagingSource(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    PostPagingSource(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                      SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                      String path, int postType, SortType sortType, PostFilter postFilter,
                      List<String> readPostList) {
@@ -117,7 +117,7 @@ public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post
         postLinkedHashSet = new LinkedHashSet<>();
     }
 
-    PostPagingSource(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    PostPagingSource(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                      SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                      String subredditOrUserName, int postType, SortType sortType, PostFilter postFilter,
                      String where, List<String> readPostList) {
@@ -136,7 +136,7 @@ public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post
         postLinkedHashSet = new LinkedHashSet<>();
     }
 
-    PostPagingSource(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    PostPagingSource(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                      SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                      String subredditOrUserName, String query, String trendingSource, int postType,
                      SortType sortType, PostFilter postFilter, List<String> readPostList) {
@@ -165,17 +165,21 @@ public class PostPagingSource extends ListenableFuturePagingSource<Integer, Post
     @NonNull
     @Override
     public ListenableFuture<LoadResult<Integer, Post>> loadFuture(@NonNull LoadParams<Integer> loadParams) {
-        LemmyAPI api = retrofit.create(LemmyAPI.class);
+        LemmyAPI api = retrofit.getRetrofit().create(LemmyAPI.class);
         switch (postType) {
-            default:
+
             case TYPE_FRONT_PAGE:
                 return loadHomePosts(loadParams, api);
-            case TYPE_SUBREDDIT:
-                return loadSubredditPosts(loadParams, api);
             case TYPE_USER:
                 return loadUserPosts(loadParams, api);
             case TYPE_SEARCH:
                 return loadSearchPosts(loadParams, api);
+            case TYPE_SUBREDDIT:
+                return loadSubredditPosts(loadParams, api);
+            default:
+            case TYPE_ANONYMOUS_FRONT_PAGE:
+                // Return a dummy result
+                return Futures.immediateFuture(new LoadResult.Page<>(new ArrayList<>(), null, null));
           /*  case TYPE_MULTI_REDDIT:
                 return loadMultiRedditPosts(loadParams, api);
             default:

app/src/main/java/eu/toldi/infinityforlemmy/post/PostViewModel.java

@@ -21,14 +21,14 @@ import androidx.paging.PagingLiveData;
 import java.util.List;
 import java.util.concurrent.Executor;
 
+import eu.toldi.infinityforlemmy.RetrofitHolder;
 import eu.toldi.infinityforlemmy.SortType;
 import eu.toldi.infinityforlemmy.postfilter.PostFilter;
 import eu.toldi.infinityforlemmy.utils.SharedPreferencesUtils;
-import retrofit2.Retrofit;
 
 public class PostViewModel extends ViewModel {
     private Executor executor;
-    private Retrofit retrofit;
+    private RetrofitHolder retrofit;
     private String accessToken;
     private String accountName;
     private SharedPreferences sharedPreferences;
@@ -50,10 +50,10 @@ public class PostViewModel extends ViewModel {
     private MutableLiveData<PostFilter> postFilterLiveData;
     private SortTypeAndPostFilterLiveData sortTypeAndPostFilterLiveData;
 
-    public PostViewModel(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    public PostViewModel(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                          SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                          @Nullable SharedPreferences postHistorySharedPreferences, int postType,
-                         SortType sortType, PostFilter postFilter, List<String> readPostList,String option) {
+                         SortType sortType, PostFilter postFilter, List<String> readPostList, String option) {
         this.executor = executor;
         this.retrofit = retrofit;
         this.accessToken = accessToken;
@@ -92,7 +92,7 @@ public class PostViewModel extends ViewModel {
                 && postHistorySharedPreferences.getBoolean((accountName == null ? "" : accountName) + SharedPreferencesUtils.HIDE_READ_POSTS_AUTOMATICALLY_BASE, false));
     }
 
-    public PostViewModel(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    public PostViewModel(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                          SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                          @Nullable SharedPreferences postHistorySharedPreferences, String subredditName, int postType,
                          SortType sortType, PostFilter postFilter, List<String> readPostList) {
@@ -134,7 +134,7 @@ public class PostViewModel extends ViewModel {
                 && postHistorySharedPreferences.getBoolean((accountName == null ? "" : accountName) + SharedPreferencesUtils.HIDE_READ_POSTS_AUTOMATICALLY_BASE, false));
     }
 
-    public PostViewModel(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    public PostViewModel(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                          SharedPreferences sharedPreferences,
                          SharedPreferences postFeedScrolledPositionSharedPreferences,
                          @Nullable SharedPreferences postHistorySharedPreferences, String username,
@@ -179,7 +179,7 @@ public class PostViewModel extends ViewModel {
                 && postHistorySharedPreferences.getBoolean((accountName == null ? "" : accountName) + SharedPreferencesUtils.HIDE_READ_POSTS_AUTOMATICALLY_BASE, false));
     }
 
-    public PostViewModel(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+    public PostViewModel(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                          SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                          @Nullable SharedPreferences postHistorySharedPreferences, String subredditName, String query,
                          String trendingSource, int postType, SortType sortType, PostFilter postFilter,
@@ -277,7 +277,7 @@ public class PostViewModel extends ViewModel {
 
     public static class Factory extends ViewModelProvider.NewInstanceFactory {
         private Executor executor;
-        private Retrofit retrofit;
+        private RetrofitHolder retrofit;
         private String accessToken;
         private String accountName;
         private SharedPreferences sharedPreferences;
@@ -292,7 +292,7 @@ public class PostViewModel extends ViewModel {
         private String userWhere;
         private List<String> readPostList;
 
-        public Factory(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+        public Factory(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                        SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                        SharedPreferences postHistorySharedPreferences, int postType, SortType sortType,
                        PostFilter postFilter, List<String> readPostList, String option) {
@@ -310,7 +310,7 @@ public class PostViewModel extends ViewModel {
             this.name = option;
         }
 
-        public Factory(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+        public Factory(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                        SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                        SharedPreferences postHistorySharedPreferences, String name, int postType, SortType sortType,
                        PostFilter postFilter, List<String> readPostList) {
@@ -329,7 +329,7 @@ public class PostViewModel extends ViewModel {
         }
 
         //User posts
-        public Factory(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+        public Factory(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                        SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                        SharedPreferences postHistorySharedPreferences, String username, int postType,
                        SortType sortType, PostFilter postFilter, String where, List<String> readPostList) {
@@ -348,7 +348,7 @@ public class PostViewModel extends ViewModel {
             this.readPostList = readPostList;
         }
 
-        public Factory(Executor executor, Retrofit retrofit, String accessToken, String accountName,
+        public Factory(Executor executor, RetrofitHolder retrofit, String accessToken, String accountName,
                        SharedPreferences sharedPreferences, SharedPreferences postFeedScrolledPositionSharedPreferences,
                        SharedPreferences postHistorySharedPreferences, String name, String query, String trendingSource,
                        int postType, SortType sortType, PostFilter postFilter, List<String> readPostList) {
@@ -369,7 +369,7 @@ public class PostViewModel extends ViewModel {
         }
 
         //Anonymous Front Page
-        public Factory(Executor executor, Retrofit retrofit, SharedPreferences sharedPreferences,
+        public Factory(Executor executor, RetrofitHolder retrofit, SharedPreferences sharedPreferences,
                        String concatenatedSubredditNames, int postType, SortType sortType, PostFilter postFilter, String opt) {
             this.executor = executor;
             this.retrofit = retrofit;

app/src/main/java/eu/toldi/infinityforlemmy/settings/MiscellaneousPreferenceFragment.java

@@ -40,6 +40,7 @@ public class MiscellaneousPreferenceFragment extends CustomFontPreferenceFragmen
         ListPreference mainPageBackButtonActionListPreference = findPreference(SharedPreferencesUtils.MAIN_PAGE_BACK_BUTTON_ACTION);
         SwitchPreference savePostFeedScrolledPositionSwitch = findPreference(SharedPreferencesUtils.SAVE_FRONT_PAGE_SCROLLED_POSITION);
         ListPreference languageListPreference = findPreference(SharedPreferencesUtils.LANGUAGE);
+        EditTextPreference anonymousAccountInstance = findPreference(SharedPreferencesUtils.ANONYMOUS_ACCOUNT_INSTANCE);
         EditTextPreference postFeedMaxResolution = findPreference(SharedPreferencesUtils.POST_FEED_MAX_RESOLUTION);
 
         if (mainPageBackButtonActionListPreference != null) {
@@ -66,6 +67,25 @@ public class MiscellaneousPreferenceFragment extends CustomFontPreferenceFragmen
             });
         }
 
+        if (anonymousAccountInstance != null) {
+            anonymousAccountInstance.setOnPreferenceChangeListener((preference, newValue) -> {
+                String url = (String) newValue;
+                if (url == null || url.equals("")) {
+                    Toast.makeText(activity, R.string.url_cannot_be_null_or_empty, Toast.LENGTH_SHORT).show();
+                    return false;
+
+                }
+
+                if (!url.startsWith("http://") && !url.startsWith("https://")) {
+                    Toast.makeText(activity, "The url has to start with https:// or http://", Toast.LENGTH_SHORT).show();
+                    return false;
+                }
+
+                EventBus.getDefault().post(new RecreateActivityEvent());
+                return true;
+            });
+        }
+
         if (postFeedMaxResolution != null) {
             postFeedMaxResolution.setOnPreferenceChangeListener((preference, newValue) -> {
                 try {

app/src/main/java/eu/toldi/infinityforlemmy/subreddit/CommunitySubscription.java

@@ -29,7 +29,7 @@ public class CommunitySubscription {
                                                      RedditDataRoomDatabase redditDataRoomDatabase,
                                                      String subredditName,
                                                      SubredditSubscriptionListener subredditSubscriptionListener) {
-        FetchSubredditData.fetchSubredditData(retrofit, subredditName, "", new FetchSubredditData.FetchSubredditDataListener() {
+        FetchSubredditData.fetchSubredditData(retrofit, subredditName, null, new FetchSubredditData.FetchSubredditDataListener() {
             @Override
             public void onFetchSubredditDataSuccess(SubredditData subredditData, int nCurrentOnlineSubscribers) {
                 insertSubscription(executor, handler, redditDataRoomDatabase,
@@ -111,7 +111,7 @@ public class CommunitySubscription {
                                            SubredditData subredditData, String accountName,
                                            SubredditSubscriptionListener subredditSubscriptionListener) {
         executor.execute(() -> {
-            SubscribedSubredditData subscribedSubredditData = new SubscribedSubredditData(subredditData.getId(), LemmyUtils.actorID2FullName(subredditData.getActorId()), subredditData.getName(),
+            SubscribedSubredditData subscribedSubredditData = new SubscribedSubredditData(subredditData.getId(), subredditData.getName(), LemmyUtils.actorID2FullName(subredditData.getActorId()),
                     subredditData.getIconUrl(), accountName);
             if (accountName.equals("-")) {
                 if (!redditDataRoomDatabase.accountDao().isAnonymousAccountInserted()) {

app/src/main/java/eu/toldi/infinityforlemmy/utils/APIUtils.java

@@ -15,7 +15,7 @@ import okhttp3.RequestBody;
 public class APIUtils {
     public static final String OAUTH_URL = "https://www.reddit.com/api/v1/authorize.compact";
     public static final String OAUTH_API_BASE_URI = "https://oauth.reddit.com";
-    public static final String API_BASE_URI = "https://lemmy.toldi.eu";
+    public static final String API_BASE_URI = "https://lemmy.world";
     public static final String API_UPLOAD_MEDIA_URI = "https://reddit-uploaded-media.s3-accelerate.amazonaws.com";
     public static final String API_UPLOAD_VIDEO_URI = "https://reddit-uploaded-video.s3-accelerate.amazonaws.com";
     public static final String GFYCAT_API_BASE_URI = "https://api.gfycat.com/v1/gfycats/";

app/src/main/java/eu/toldi/infinityforlemmy/utils/SharedPreferencesUtils.java

@@ -167,6 +167,8 @@ public class SharedPreferencesUtils {
     public static final int SWIPE_ACITON_DOWNVOTE = 1;
     public static final String LANGUAGE = "language";
     public static final String LANGUAGE_DEFAULT_VALUE = "auto";
+
+    public static final String ANONYMOUS_ACCOUNT_INSTANCE = "anonymous_account_instance";
     public static final String ENABLE_SEARCH_HISTORY = "enable_search_history";
     public static final String POST_FILTER = "post_filter";
     public static final String ONLY_DISABLE_PREVIEW_IN_VIDEO_AND_GIF_POSTS = "only_disable_preview_in_video_and_gif_posts";

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

@@ -116,6 +116,7 @@
     <string name="no_users">No users found</string>
     <string name="no_multi_reddits">No Multireddits found</string>
     <string name="no_storage_permission">No storage permission to save this file</string>
+    <string name="anonymous_homepage_not_implemented">Anonymous homepage is not implemented yet</string>
 
     <string name="load_comments_failed">Error loading comments.\nTap to retry.</string>
     <string name="retry">Retry</string>
@@ -1338,4 +1339,6 @@
     <string name="sort_time_3months">3 Months</string>
     <string name="sort_time_6months">6 Months</string>
     <string name="sort_time_9months">9 Months</string>
+    <string name="anonymous_account_instance">Anonymous Account Instance</string>
+    <string name="url_cannot_be_null_or_empty">URL cannot be null or empty</string>
 </resources>

app/src/main/res/xml/miscellaneous_preferences.xml

@@ -40,8 +40,13 @@
         app:title="@string/settings_language_title"
         app:useSimpleSummaryProvider="true" />
 
-    <eu.toldi.infinityforlemmy.customviews.CustomFontPreferenceCategory
+    <eu.toldi.infinityforlemmy.customviews.CustomFontEditTextPreference
-        app:title="@string/settings_miscellaneous_dangerous_group_title" />
+        app:defaultValue="https://lemmy.world"
+        app:key="anonymous_account_instance"
+        app:title="@string/anonymous_account_instance"
+        app:useSimpleSummaryProvider="true" />
+
+    <eu.toldi.infinityforlemmy.customviews.CustomFontPreferenceCategory app:title="@string/settings_miscellaneous_dangerous_group_title" />
 
     <eu.toldi.infinityforlemmy.customviews.CustomFontPreference
         app:icon="@drawable/ic_info_preference_24dp"
@@ -54,4 +59,5 @@
         app:title="@string/settings_post_feed_max_resolution_title"
         app:useSimpleSummaryProvider="true" />
 
+
 </PreferenceScreen>