Broadcasts now used everywhere for signalling to remove accounts' posts instead of listeners.

app/src/main/java/com/keylesspalace/tusky/AccountActivity.java

@@ -32,7 +32,6 @@ import android.support.design.widget.CollapsingToolbarLayout;
 import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.Snackbar;
 import android.support.design.widget.TabLayout;
-import android.support.v4.app.Fragment;
 import android.support.v4.content.LocalBroadcastManager;
 import android.support.v4.view.ViewCompat;
 import android.support.v4.view.ViewPager;
@@ -47,9 +46,7 @@ import android.widget.TextView;
 
 import com.keylesspalace.tusky.entity.Account;
 import com.keylesspalace.tusky.entity.Relationship;
-import com.keylesspalace.tusky.fragment.SFragment;
 import com.keylesspalace.tusky.interfaces.LinkListener;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
 import com.keylesspalace.tusky.pager.AccountPagerAdapter;
 import com.keylesspalace.tusky.receiver.TimelineReceiver;
 import com.keylesspalace.tusky.util.LinkHelper;
@@ -68,7 +65,7 @@ import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
 
-public class AccountActivity extends BaseActivity implements SFragment.OnUserRemovedListener {
+public class AccountActivity extends BaseActivity {
     private static final String TAG = "AccountActivity"; // logging tag
 
     private enum FollowState {
@@ -82,7 +79,6 @@ public class AccountActivity extends BaseActivity implements SFragment.OnUserRem
     private boolean blocking;
     private boolean muting;
     private boolean isSelf;
-    private AccountPagerAdapter pagerAdapter;
     private Account loadedAccount;
 
     @BindView(R.id.account_avatar) CircularImageView avatar;
@@ -177,7 +173,6 @@ public class AccountActivity extends BaseActivity implements SFragment.OnUserRem
         // Setup the tabs and timeline pager.
         AccountPagerAdapter adapter = new AccountPagerAdapter(getSupportFragmentManager(), this,
                 accountId);
-        pagerAdapter = adapter;
         String[] pageTitles = {
             getString(R.string.title_statuses),
             getString(R.string.title_follows),
@@ -357,16 +352,6 @@ public class AccountActivity extends BaseActivity implements SFragment.OnUserRem
         updateButtons();
     }
 
-    @Override
-    public void onUserRemoved(String accountId) {
-        for (Fragment fragment : pagerAdapter.getRegisteredFragments()) {
-            if (fragment instanceof StatusRemoveListener) {
-                StatusRemoveListener listener = (StatusRemoveListener) fragment;
-                listener.removePostsByUser(accountId);
-            }
-        }
-    }
-
     private void updateFollowButton(FloatingActionButton button) {
         switch (followState) {
             case NOT_FOLLOWING: {

app/src/main/java/com/keylesspalace/tusky/FavouritesActivity.java

@@ -23,13 +23,9 @@ import android.support.v7.app.ActionBar;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
 
-import com.keylesspalace.tusky.fragment.SFragment;
 import com.keylesspalace.tusky.fragment.TimelineFragment;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
-
-public class FavouritesActivity extends BaseActivity implements SFragment.OnUserRemovedListener {
-    private StatusRemoveListener statusRemoveListener;
 
+public class FavouritesActivity extends BaseActivity {
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -48,8 +44,6 @@ public class FavouritesActivity extends BaseActivity implements SFragment.OnUser
         Fragment fragment = TimelineFragment.newInstance(TimelineFragment.Kind.FAVOURITES);
         fragmentTransaction.add(R.id.fragment_container, fragment);
         fragmentTransaction.commit();
-
-        statusRemoveListener = (StatusRemoveListener) fragment;
     }
 
     @Override
@@ -62,9 +56,4 @@ public class FavouritesActivity extends BaseActivity implements SFragment.OnUser
         }
         return super.onOptionsItemSelected(item);
     }
-
-    @Override
-    public void onUserRemoved(String accountId) {
-        statusRemoveListener.removePostsByUser(accountId);
-    }
 }

app/src/main/java/com/keylesspalace/tusky/MainActivity.java

@@ -46,7 +46,6 @@ import com.arlib.floatingsearchview.suggestions.SearchSuggestionsAdapter;
 import com.arlib.floatingsearchview.suggestions.model.SearchSuggestion;
 import com.keylesspalace.tusky.entity.Account;
 import com.keylesspalace.tusky.fragment.SFragment;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
 import com.keylesspalace.tusky.pager.TimelinePagerAdapter;
 import com.keylesspalace.tusky.util.ThemeUtils;
 import com.mikepenz.google_material_typeface_library.GoogleMaterial;
@@ -74,7 +73,7 @@ import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
 
-public class MainActivity extends BaseActivity implements SFragment.OnUserRemovedListener {
+public class MainActivity extends BaseActivity {
     private static final String TAG = "MainActivity"; // logging tag
     protected static int COMPOSE_RESULT = 1;
 
@@ -568,17 +567,6 @@ public class MainActivity extends BaseActivity implements SFragment.OnUserRemove
         }
     }
 
-    @Override
-    public void onUserRemoved(String accountId) {
-        TimelinePagerAdapter adapter = (TimelinePagerAdapter) viewPager.getAdapter();
-        for (Fragment fragment : adapter.getRegisteredFragments()) {
-            if (fragment instanceof StatusRemoveListener) {
-                StatusRemoveListener listener = (StatusRemoveListener) fragment;
-                listener.removePostsByUser(accountId);
-            }
-        }
-    }
-
     // Fix for GitHub issues #190, #259 (MainActivity won't restart on screen rotation.)
     @Override
     public void onConfigurationChanged(Configuration newConfig) {

app/src/main/java/com/keylesspalace/tusky/ViewTagActivity.java

@@ -23,16 +23,12 @@ import android.support.v7.app.ActionBar;
 import android.support.v7.widget.Toolbar;
 import android.view.MenuItem;
 
-import com.keylesspalace.tusky.fragment.SFragment;
 import com.keylesspalace.tusky.fragment.TimelineFragment;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
 
-public class ViewTagActivity extends BaseActivity implements SFragment.OnUserRemovedListener {
-    private Fragment timelineFragment;
-
+public class ViewTagActivity extends BaseActivity {
     @BindView(R.id.toolbar) Toolbar toolbar;
 
     @Override
@@ -57,8 +53,6 @@ public class ViewTagActivity extends BaseActivity implements SFragment.OnUserRem
         Fragment fragment = TimelineFragment.newInstance(TimelineFragment.Kind.TAG, hashtag);
         fragmentTransaction.add(R.id.fragment_container, fragment);
         fragmentTransaction.commit();
-
-        timelineFragment = fragment;
     }
 
     @Override
@@ -71,10 +65,4 @@ public class ViewTagActivity extends BaseActivity implements SFragment.OnUserRem
         }
         return super.onOptionsItemSelected(item);
     }
-
-    @Override
-    public void onUserRemoved(String accountId) {
-        StatusRemoveListener listener = (StatusRemoveListener) timelineFragment;
-        listener.removePostsByUser(accountId);
-    }
 }

app/src/main/java/com/keylesspalace/tusky/ViewThreadActivity.java

@@ -25,13 +25,9 @@ import android.support.v7.widget.Toolbar;
 import android.view.Menu;
 import android.view.MenuItem;
 
-import com.keylesspalace.tusky.fragment.SFragment;
 import com.keylesspalace.tusky.fragment.ViewThreadFragment;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
-
-public class ViewThreadActivity extends BaseActivity implements SFragment.OnUserRemovedListener {
-    Fragment viewThreadFragment;
 
+public class ViewThreadActivity extends BaseActivity {
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -51,8 +47,6 @@ public class ViewThreadActivity extends BaseActivity implements SFragment.OnUser
         Fragment fragment = ViewThreadFragment.newInstance(id);
         fragmentTransaction.add(R.id.fragment_container, fragment);
         fragmentTransaction.commit();
-
-        viewThreadFragment = fragment;
     }
 
     @Override
@@ -72,14 +66,6 @@ public class ViewThreadActivity extends BaseActivity implements SFragment.OnUser
         return super.onOptionsItemSelected(item);
     }
 
-    @Override
-    public void onUserRemoved(String accountId) {
-        if (viewThreadFragment instanceof StatusRemoveListener) {
-            StatusRemoveListener listener = (StatusRemoveListener) viewThreadFragment;
-            listener.removePostsByUser(accountId);
-        }
-    }
-
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);

app/src/main/java/com/keylesspalace/tusky/adapter/NotificationsAdapter.java

@@ -209,11 +209,13 @@ public class NotificationsAdapter extends RecyclerView.Adapter implements Adapte
         notifyItemRangeInserted(end, new_notifications.size());
     }
 
+    @Override
     public void removeItem(int position) {
         notifications.remove(position);
         notifyItemChanged(position);
     }
 
+    @Override
     public void removeAllByAccountId(String id) {
         for (int i = 0; i < notifications.size();) {
             Notification notification = notifications.get(i);

app/src/main/java/com/keylesspalace/tusky/adapter/ThreadAdapter.java

@@ -62,11 +62,13 @@ public class ThreadAdapter extends RecyclerView.Adapter implements AdapterItemRe
         return statuses.get(position);
     }
 
+    @Override
     public void removeItem(int position) {
         statuses.remove(position);
         notifyItemRemoved(position);
     }
 
+    @Override
     public void removeAllByAccountId(String accountId) {
         for (int i = 0; i < statuses.size();) {
             Status status = statuses.get(i);

app/src/main/java/com/keylesspalace/tusky/adapter/TimelineAdapter.java

@@ -140,16 +140,13 @@ public class TimelineAdapter extends RecyclerView.Adapter implements AdapterItem
         notifyItemRangeInserted(end, newStatuses.size());
     }
 
+    @Override
     public void removeItem(int position) {
         statuses.remove(position);
         notifyItemRemoved(position);
     }
 
-    public void clear() {
-        statuses.clear();
-        notifyDataSetChanged();
-    }
-
+    @Override
     public void removeAllByAccountId(String accountId) {
         for (int i = 0; i < statuses.size();) {
             Status status = statuses.get(i);
@@ -162,6 +159,11 @@ public class TimelineAdapter extends RecyclerView.Adapter implements AdapterItem
         }
     }
 
+    public void clear() {
+        statuses.clear();
+        notifyDataSetChanged();
+    }
+
     @Nullable
     public Status getItem(int position) {
         if (position >= 0 && position < statuses.size()) {

app/src/main/java/com/keylesspalace/tusky/fragment/NotificationsFragment.java

@@ -23,6 +23,7 @@ import android.preference.PreferenceManager;
 import android.support.annotation.Nullable;
 import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.TabLayout;
+import android.support.v4.content.LocalBroadcastManager;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.DividerItemDecoration;
 import android.support.v7.widget.LinearLayoutManager;
@@ -39,10 +40,11 @@ import com.keylesspalace.tusky.R;
 import com.keylesspalace.tusky.entity.Notification;
 import com.keylesspalace.tusky.entity.Status;
 import com.keylesspalace.tusky.interfaces.StatusActionListener;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
+import com.keylesspalace.tusky.receiver.TimelineReceiver;
 import com.keylesspalace.tusky.util.ThemeUtils;
 import com.keylesspalace.tusky.view.EndlessOnScrollListener;
 
+import java.sql.Time;
 import java.util.List;
 
 import retrofit2.Call;
@@ -50,8 +52,9 @@ import retrofit2.Callback;
 import retrofit2.Response;
 
 public class NotificationsFragment extends SFragment implements
-        SwipeRefreshLayout.OnRefreshListener, StatusActionListener, StatusRemoveListener,
-        NotificationsAdapter.NotificationActionListener, SharedPreferences.OnSharedPreferenceChangeListener {
+        SwipeRefreshLayout.OnRefreshListener, StatusActionListener,
+        NotificationsAdapter.NotificationActionListener,
+        SharedPreferences.OnSharedPreferenceChangeListener {
     private static final String TAG = "Notifications"; // logging tag
 
     private SwipeRefreshLayout swipeRefreshLayout;
@@ -62,6 +65,7 @@ public class NotificationsFragment extends SFragment implements
     private TabLayout.OnTabSelectedListener onTabSelectedListener;
     private Call<List<Notification>> listCall;
     private boolean hideFab;
+    private TimelineReceiver timelineReceiver;
 
     public static NotificationsFragment newInstance() {
         NotificationsFragment fragment = new NotificationsFragment();
@@ -110,6 +114,10 @@ public class NotificationsFragment extends SFragment implements
         };
         layout.addOnTabSelectedListener(onTabSelectedListener);
 
+        timelineReceiver = new TimelineReceiver(adapter);
+        LocalBroadcastManager.getInstance(context.getApplicationContext())
+                .registerReceiver(timelineReceiver, TimelineReceiver.getFilter(null));
+
         return rootView;
     }
 
@@ -168,6 +176,10 @@ public class NotificationsFragment extends SFragment implements
     public void onDestroyView() {
         TabLayout tabLayout = (TabLayout) getActivity().findViewById(R.id.tab_layout);
         tabLayout.removeOnTabSelectedListener(onTabSelectedListener);
+
+        LocalBroadcastManager.getInstance(getContext())
+                .unregisterReceiver(timelineReceiver);
+
         super.onDestroyView();
     }
 
@@ -205,10 +217,6 @@ public class NotificationsFragment extends SFragment implements
         sendFetchNotificationsRequest(null, null);
     }
 
-    public void removePostsByUser(String accountId) {
-        adapter.removeAllByAccountId(accountId);
-    }
-
     private static boolean findNotification(List<Notification> notifications, String id) {
         for (Notification notification : notifications) {
             if (notification.id.equals(id)) {

app/src/main/java/com/keylesspalace/tusky/fragment/SFragment.java

@@ -21,6 +21,7 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v4.app.DialogFragment;
 import android.support.v4.app.FragmentTransaction;
+import android.support.v4.content.LocalBroadcastManager;
 import android.support.v7.widget.PopupMenu;
 import android.support.v7.widget.RecyclerView;
 import android.text.Spanned;
@@ -39,6 +40,7 @@ import com.keylesspalace.tusky.entity.Relationship;
 import com.keylesspalace.tusky.entity.Status;
 import com.keylesspalace.tusky.interfaces.AdapterItemRemover;
 import com.keylesspalace.tusky.network.MastodonAPI;
+import com.keylesspalace.tusky.receiver.TimelineReceiver;
 import com.keylesspalace.tusky.util.HtmlUtils;
 
 import java.util.ArrayList;
@@ -56,14 +58,9 @@ import retrofit2.Response;
  * overlap functionality. So, I'm momentarily leaving it and hopefully working on those will clear
  * up what needs to be where. */
 public abstract class SFragment extends BaseFragment {
-    public interface OnUserRemovedListener {
-        void onUserRemoved(String accountId);
-    }
-
     protected String loggedInAccountId;
     protected String loggedInUsername;
     protected MastodonAPI mastodonAPI;
-    protected OnUserRemovedListener userRemovedListener;
     protected static int COMPOSE_RESULT = 1;
 
     @Override
@@ -80,7 +77,6 @@ public abstract class SFragment extends BaseFragment {
         super.onActivityCreated(savedInstanceState);
         BaseActivity activity = (BaseActivity) getActivity();
         mastodonAPI = activity.mastodonAPI;
-        userRemovedListener = (OnUserRemovedListener) activity;
     }
 
     protected void reply(Status status) {
@@ -188,7 +184,10 @@ public abstract class SFragment extends BaseFragment {
             public void onFailure(Call<Relationship> call, Throwable t) {}
         });
         callList.add(call);
-        userRemovedListener.onUserRemoved(id);
+        Intent intent = new Intent(TimelineReceiver.Types.MUTE_ACCOUNT);
+        intent.putExtra("id", id);
+        LocalBroadcastManager.getInstance(getContext())
+                .sendBroadcast(intent);
     }
 
     private void block(String id) {
@@ -201,7 +200,10 @@ public abstract class SFragment extends BaseFragment {
             public void onFailure(Call<Relationship> call, Throwable t) {}
         });
         callList.add(call);
-        userRemovedListener.onUserRemoved(id);
+        Intent intent = new Intent(TimelineReceiver.Types.BLOCK_ACCOUNT);
+        intent.putExtra("id", id);
+        LocalBroadcastManager.getInstance(getContext())
+                .sendBroadcast(intent);
     }
 
     private void delete(String id) {

app/src/main/java/com/keylesspalace/tusky/fragment/TimelineFragment.java

@@ -38,7 +38,6 @@ import com.keylesspalace.tusky.R;
 import com.keylesspalace.tusky.adapter.TimelineAdapter;
 import com.keylesspalace.tusky.entity.Status;
 import com.keylesspalace.tusky.interfaces.StatusActionListener;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
 import com.keylesspalace.tusky.receiver.TimelineReceiver;
 import com.keylesspalace.tusky.util.ThemeUtils;
 import com.keylesspalace.tusky.view.EndlessOnScrollListener;
@@ -53,7 +52,6 @@ import retrofit2.Response;
 public class TimelineFragment extends SFragment implements
         SwipeRefreshLayout.OnRefreshListener,
         StatusActionListener,
-        StatusRemoveListener,
         SharedPreferences.OnSharedPreferenceChangeListener {
     private static final String TAG = "Timeline"; // logging tag
 
@@ -128,7 +126,8 @@ public class TimelineFragment extends SFragment implements
         recyclerView.setAdapter(adapter);
 
         timelineReceiver = new TimelineReceiver(adapter);
-        LocalBroadcastManager.getInstance(context.getApplicationContext()).registerReceiver(timelineReceiver, TimelineReceiver.getFilter(kind));
+        LocalBroadcastManager.getInstance(context.getApplicationContext())
+                .registerReceiver(timelineReceiver, TimelineReceiver.getFilter(kind));
         return rootView;
     }
 
@@ -285,10 +284,6 @@ public class TimelineFragment extends SFragment implements
         listCall.enqueue(callback);
     }
 
-    public void removePostsByUser(String accountId) {
-        adapter.removeAllByAccountId(accountId);
-    }
-
     private static boolean findStatus(List<Status> statuses, String id) {
         for (Status status : statuses) {
             if (status.id.equals(id)) {

app/src/main/java/com/keylesspalace/tusky/fragment/ViewThreadFragment.java

@@ -21,6 +21,7 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.design.widget.Snackbar;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.content.LocalBroadcastManager;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.widget.DividerItemDecoration;
 import android.support.v7.widget.LinearLayoutManager;
@@ -38,7 +39,7 @@ import com.keylesspalace.tusky.entity.StatusContext;
 import com.keylesspalace.tusky.network.MastodonAPI;
 import com.keylesspalace.tusky.R;
 import com.keylesspalace.tusky.interfaces.StatusActionListener;
-import com.keylesspalace.tusky.interfaces.StatusRemoveListener;
+import com.keylesspalace.tusky.receiver.TimelineReceiver;
 import com.keylesspalace.tusky.util.ThemeUtils;
 import com.keylesspalace.tusky.view.ConversationLineItemDecoration;
 
@@ -47,7 +48,7 @@ import retrofit2.Callback;
 import retrofit2.Response;
 
 public class ViewThreadFragment extends SFragment implements
-        SwipeRefreshLayout.OnRefreshListener, StatusActionListener, StatusRemoveListener {
+        SwipeRefreshLayout.OnRefreshListener, StatusActionListener {
     private static final String TAG = "ViewThreadFragment";
 
     private SwipeRefreshLayout swipeRefreshLayout;
@@ -55,6 +56,7 @@ public class ViewThreadFragment extends SFragment implements
     private ThreadAdapter adapter;
     private MastodonAPI mastodonApi;
     private String thisThreadsStatusId;
+    private TimelineReceiver timelineReceiver;
 
     public static ViewThreadFragment newInstance(String id) {
         Bundle arguments = new Bundle();
@@ -92,9 +94,20 @@ public class ViewThreadFragment extends SFragment implements
         mastodonApi = null;
         thisThreadsStatusId = null;
 
+        timelineReceiver = new TimelineReceiver(adapter);
+        LocalBroadcastManager.getInstance(context.getApplicationContext())
+                .registerReceiver(timelineReceiver, TimelineReceiver.getFilter(null));
+
         return rootView;
     }
 
+    @Override
+    public void onDestroyView() {
+        LocalBroadcastManager.getInstance(getContext())
+                .unregisterReceiver(timelineReceiver);
+        super.onDestroyView();
+    }
+
     @Override
     public void onActivityCreated(@Nullable Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
@@ -169,11 +182,6 @@ public class ViewThreadFragment extends SFragment implements
         }
     }
 
-    @Override
-    public void removePostsByUser(String accountId) {
-        adapter.removeAllByAccountId(accountId);
-    }
-
     public void onRefresh() {
         sendStatusRequest(thisThreadsStatusId);
         sendThreadRequest(thisThreadsStatusId);

app/src/main/java/com/keylesspalace/tusky/interfaces/AdapterItemRemover.java

@@ -17,4 +17,5 @@ package com.keylesspalace.tusky.interfaces;
 
 public interface AdapterItemRemover {
     void removeItem(int position);
+    void removeAllByAccountId(String accountId);
 }

app/src/main/java/com/keylesspalace/tusky/interfaces/StatusRemoveListener.java

@@ -1,20 +0,0 @@
-/* Copyright 2017 Andrew Dawson
- *
- * This file is a part of Tusky.
- *
- * This program is free software; you can redistribute it and/or modify it under the terms of the
- * GNU General Public License as published by the Free Software Foundation; either version 3 of the
- * License, or (at your option) any later version.
- *
- * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with Tusky; if not,
- * see <http://www.gnu.org/licenses>. */
-
-package com.keylesspalace.tusky.interfaces;
-
-public interface StatusRemoveListener {
-    void removePostsByUser(String accountId);
-}

app/src/main/java/com/keylesspalace/tusky/receiver/TimelineReceiver.java

@@ -4,9 +4,10 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.support.annotation.Nullable;
 
-import com.keylesspalace.tusky.adapter.TimelineAdapter;
 import com.keylesspalace.tusky.fragment.TimelineFragment;
+import com.keylesspalace.tusky.interfaces.AdapterItemRemover;
 
 public class TimelineReceiver extends BroadcastReceiver {
     public static final class Types {
@@ -15,9 +16,9 @@ public class TimelineReceiver extends BroadcastReceiver {
         public static final String MUTE_ACCOUNT = "MUTE_ACCOUNT";
     }
 
-    TimelineAdapter adapter;
+    AdapterItemRemover adapter;
 
-    public TimelineReceiver(TimelineAdapter adapter) {
+    public TimelineReceiver(AdapterItemRemover adapter) {
         super();
         this.adapter = adapter;
     }
@@ -28,7 +29,7 @@ public class TimelineReceiver extends BroadcastReceiver {
         adapter.removeAllByAccountId(id);
     }
 
-    public static IntentFilter getFilter(TimelineFragment.Kind kind) {
+    public static IntentFilter getFilter(@Nullable TimelineFragment.Kind kind) {
         IntentFilter intentFilter = new IntentFilter();
         if (kind == TimelineFragment.Kind.HOME) {
             intentFilter.addAction(Types.UNFOLLOW_ACCOUNT);