Add a FloatingActionButton in ViewMultiRedditDetailActivity.

2 files changed, 388 insertions, 1 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewMultiRedditDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewMultiRedditDetailActivity.java
index 33561073..b394de78 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewMultiRedditDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/ViewMultiRedditDetailActivity.java
@@ -1,29 +1,38 @@
 package ml.docilealligator.infinityforreddit.activities;
 
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.Window;
 import android.view.WindowManager;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.appbar.CollapsingToolbarLayout;
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.textfield.TextInputEditText;
 import com.r0adkll.slidr.Slidr;
 
 import org.greenrobot.eventbus.EventBus;
 
+import java.util.ArrayList;
 import java.util.concurrent.Executor;
 
 import javax.inject.Inject;
@@ -39,8 +48,13 @@ import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.SortType;
 import ml.docilealligator.infinityforreddit.SortTypeSelectionCallback;
+import ml.docilealligator.infinityforreddit.adapters.SubredditAutocompleteRecyclerViewAdapter;
+import ml.docilealligator.infinityforreddit.apis.RedditAPI;
 import ml.docilealligator.infinityforreddit.asynctasks.DeleteMultiredditInDatabase;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.FABMoreOptionsBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostLayoutBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostTypeBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.RandomBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.SortTimeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.SortTypeBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
@@ -51,12 +65,20 @@ import ml.docilealligator.infinityforreddit.multireddit.MultiReddit;
 import ml.docilealligator.infinityforreddit.post.Post;
 import ml.docilealligator.infinityforreddit.post.PostPagingSource;
 import ml.docilealligator.infinityforreddit.readpost.InsertReadPost;
+import ml.docilealligator.infinityforreddit.subreddit.ParseSubredditData;
+import ml.docilealligator.infinityforreddit.subreddit.SubredditData;
+import ml.docilealligator.infinityforreddit.utils.APIUtils;
 import ml.docilealligator.infinityforreddit.utils.SharedPreferencesUtils;
 import ml.docilealligator.infinityforreddit.utils.Utils;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 import retrofit2.Retrofit;
 
 public class ViewMultiRedditDetailActivity extends BaseActivity implements SortTypeSelectionCallback,
-        PostLayoutBottomSheetFragment.PostLayoutSelectionCallback, ActivityToolbarInterface, MarkPostAsReadInterface {
+        PostLayoutBottomSheetFragment.PostLayoutSelectionCallback, ActivityToolbarInterface, MarkPostAsReadInterface,
+        PostTypeBottomSheetFragment.PostTypeSelectionCallback, FABMoreOptionsBottomSheetFragment.FABOptionSelectionCallback,
+        RandomBottomSheetFragment.RandomOptionSelectionCallback {
 
     public static final String EXTRA_MULTIREDDIT_DATA = "EMD";
     public static final String EXTRA_MULTIREDDIT_PATH = "EMP";
@@ -71,6 +93,8 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
     CollapsingToolbarLayout collapsingToolbarLayout;
     @BindView(R.id.toolbar_view_multi_reddit_detail_activity)
     Toolbar toolbar;
+    @BindView(R.id.fab_view_multi_reddit_detail_activity)
+    FloatingActionButton fab;
     @Inject
     @Named("no_oauth")
     Retrofit mRetrofit;
@@ -92,6 +116,12 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
     @Named("current_account")
     SharedPreferences mCurrentAccountSharedPreferences;
     @Inject
+    @Named("bottom_app_bar")
+    SharedPreferences bottomAppBarSharedPreference;
+    @Inject
+    @Named("nsfw_and_spoiler")
+    SharedPreferences mNsfwAndSpoilerSharedPreferences;
+    @Inject
     CustomThemeWrapper mCustomThemeWrapper;
     @Inject
     Executor mExecutor;
@@ -102,6 +132,8 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
     private SortTypeBottomSheetFragment sortTypeBottomSheetFragment;
     private SortTimeBottomSheetFragment sortTimeBottomSheetFragment;
     private PostLayoutBottomSheetFragment postLayoutBottomSheetFragment;
+    private int fabOption;
+    private Call<String> subredditAutocompleteCall;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -133,6 +165,13 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
                     window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
                 }
                 adjustToolbar(toolbar);
+
+                int navBarHeight = getNavBarHeight();
+                if (navBarHeight > 0) {
+                    CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) fab.getLayoutParams();
+                    params.bottomMargin += navBarHeight;
+                    fab.setLayoutParams(params);
+                }
             }
         }
 
@@ -173,6 +212,105 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
         sortTimeBottomSheetFragment = new SortTimeBottomSheetFragment();
 
         postLayoutBottomSheetFragment = new PostLayoutBottomSheetFragment();
+
+        fabOption = bottomAppBarSharedPreference.getInt(SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB, SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_SUBMIT_POSTS);
+        switch (fabOption) {
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_REFRESH:
+                fab.setImageResource(R.drawable.ic_refresh_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_CHANGE_SORT_TYPE:
+                fab.setImageResource(R.drawable.ic_sort_toolbar_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_CHANGE_POST_LAYOUT:
+                fab.setImageResource(R.drawable.ic_post_layout_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_SEARCH:
+                fab.setImageResource(R.drawable.ic_search_black_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_GO_TO_SUBREDDIT:
+                fab.setImageResource(R.drawable.ic_subreddit_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_GO_TO_USER:
+                fab.setImageResource(R.drawable.ic_user_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_RANDOM:
+                fab.setImageResource(R.drawable.ic_random_24dp);
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_HIDE_READ_POSTS:
+                if (mAccessToken == null) {
+                    fab.setImageResource(R.drawable.ic_filter_24dp);
+                    fabOption = SharedPreferencesUtils.MAIN_ACTIVITY_BOTTOM_APP_BAR_FAB_FILTER_POSTS;
+                } else {
+                    fab.setImageResource(R.drawable.ic_hide_read_posts_24dp);
+                }
+                break;
+            case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_FILTER_POSTS:
+                fab.setImageResource(R.drawable.ic_filter_24dp);
+                break;
+            default:
+                if (mAccessToken == null) {
+                    fab.setImageResource(R.drawable.ic_filter_24dp);
+                    fabOption = SharedPreferencesUtils.MAIN_ACTIVITY_BOTTOM_APP_BAR_FAB_FILTER_POSTS;
+                } else {
+                    fab.setImageResource(R.drawable.ic_add_day_night_24dp);
+                }
+                break;
+        }
+        fab.setOnClickListener(view -> {
+            switch (fabOption) {
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_REFRESH: {
+                    if (mFragment instanceof PostFragment) {
+                        ((PostFragment) mFragment).refresh();
+                    }
+                    break;
+                }
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_CHANGE_SORT_TYPE: {
+                    sortTypeBottomSheetFragment.show(getSupportFragmentManager(), sortTypeBottomSheetFragment.getTag());
+                    break;
+                }
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_CHANGE_POST_LAYOUT: {
+                    PostLayoutBottomSheetFragment postLayoutBottomSheetFragment = new PostLayoutBottomSheetFragment();
+                    postLayoutBottomSheetFragment.show(getSupportFragmentManager(), postLayoutBottomSheetFragment.getTag());
+                    break;
+                }
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_SEARCH: {
+                    Intent intent = new Intent(this, SearchActivity.class);
+                    startActivity(intent);
+                    break;
+                }
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_GO_TO_SUBREDDIT:
+                    goToSubreddit();
+                    break;
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_GO_TO_USER:
+                    goToUser();
+                    break;
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_RANDOM:
+                    random();
+                    break;
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_HIDE_READ_POSTS:
+                    if (mFragment instanceof PostFragment) {
+                        ((PostFragment) mFragment).hideReadPosts();
+                    }
+                    break;
+                case SharedPreferencesUtils.OTHER_ACTIVITIES_BOTTOM_APP_BAR_FAB_FILTER_POSTS:
+                    if (mFragment instanceof PostFragment) {
+                        ((PostFragment) mFragment).filterPosts();
+                    }
+                    break;
+                default:
+                    PostTypeBottomSheetFragment postTypeBottomSheetFragment = new PostTypeBottomSheetFragment();
+                    postTypeBottomSheetFragment.show(getSupportFragmentManager(), postTypeBottomSheetFragment.getTag());
+                    break;
+            }
+        });
+        fab.setOnLongClickListener(view -> {
+            FABMoreOptionsBottomSheetFragment fabMoreOptionsBottomSheetFragment = new FABMoreOptionsBottomSheetFragment();
+            Bundle bundle = new Bundle();
+            bundle.putBoolean(FABMoreOptionsBottomSheetFragment.EXTRA_ANONYMOUS_MODE, mAccessToken == null);
+            fabMoreOptionsBottomSheetFragment.setArguments(bundle);
+            fabMoreOptionsBottomSheetFragment.show(getSupportFragmentManager(), fabMoreOptionsBottomSheetFragment.getTag());
+            return true;
+        });
     }
 
     private void initializeFragment() {
@@ -186,6 +324,160 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
         getSupportFragmentManager().beginTransaction().replace(R.id.frame_layout_view_multi_reddit_detail_activity, mFragment).commit();
     }
 
+    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);
+        RecyclerView recyclerView = rootView.findViewById(R.id.recycler_view_go_to_thing_edit_text);
+        thingEditText.requestFocus();
+        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        SubredditAutocompleteRecyclerViewAdapter adapter = new SubredditAutocompleteRecyclerViewAdapter(
+                this, mCustomThemeWrapper, subredditData -> {
+            if (imm != null) {
+                imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+            }
+            Intent intent = new Intent(this, ViewSubredditDetailActivity.class);
+            intent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, subredditData.getName());
+            startActivity(intent);
+        });
+        recyclerView.setAdapter(adapter);
+        if (imm != null) {
+            imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+        }
+        thingEditText.setOnEditorActionListener((textView, i, keyEvent) -> {
+            if (i == EditorInfo.IME_ACTION_DONE) {
+                if (imm != null) {
+                    imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                }
+                Intent subredditIntent = new Intent(this, ViewSubredditDetailActivity.class);
+                subredditIntent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, thingEditText.getText().toString());
+                startActivity(subredditIntent);
+                return true;
+            }
+            return false;
+        });
+
+        boolean nsfw = mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false);
+        thingEditText.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+                if (subredditAutocompleteCall != null) {
+                    subredditAutocompleteCall.cancel();
+                }
+                subredditAutocompleteCall = mOauthRetrofit.create(RedditAPI.class).subredditAutocomplete(APIUtils.getOAuthHeader(mAccessToken),
+                        editable.toString(), nsfw);
+                subredditAutocompleteCall.enqueue(new Callback<String>() {
+                    @Override
+                    public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
+                        if (response.isSuccessful()) {
+                            ParseSubredditData.parseSubredditListingData(response.body(), nsfw, new ParseSubredditData.ParseSubredditListingDataListener() {
+                                @Override
+                                public void onParseSubredditListingDataSuccess(ArrayList<SubredditData> subredditData, String after) {
+                                    adapter.setSubreddits(subredditData);
+                                }
+
+                                @Override
+                                public void onParseSubredditListingDataFail() {
+
+                                }
+                            });
+                        }
+                    }
+
+                    @Override
+                    public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
+
+                    }
+                });
+            }
+        });
+        new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
+                .setTitle(R.string.go_to_subreddit)
+                .setView(rootView)
+                .setPositiveButton(R.string.ok, (dialogInterface, i)
+                        -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                    }
+                    Intent subredditIntent = new Intent(this, ViewSubredditDetailActivity.class);
+                    subredditIntent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, thingEditText.getText().toString());
+                    startActivity(subredditIntent);
+                })
+                .setNegativeButton(R.string.cancel, (dialogInterface, i) -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                    }
+                })
+                .setOnDismissListener(dialogInterface -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                    }
+                })
+                .show();
+    }
+
+    private void goToUser() {
+        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();
+        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (imm != null) {
+            imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+        }
+        thingEditText.setOnEditorActionListener((textView, i, keyEvent) -> {
+            if (i == EditorInfo.IME_ACTION_DONE) {
+                if (imm != null) {
+                    imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                }
+                Intent userIntent = new Intent(this, ViewUserDetailActivity.class);
+                userIntent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, thingEditText.getText().toString());
+                startActivity(userIntent);
+                return true;
+            }
+            return false;
+        });
+        new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
+                .setTitle(R.string.go_to_user)
+                .setView(rootView)
+                .setPositiveButton(R.string.ok, (dialogInterface, i)
+                        -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                    }
+                    Intent userIntent = new Intent(this, ViewUserDetailActivity.class);
+                    userIntent.putExtra(ViewUserDetailActivity.EXTRA_USER_NAME_KEY, thingEditText.getText().toString());
+                    startActivity(userIntent);
+                })
+                .setNegativeButton(R.string.cancel, (dialogInterface, i) -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                    }
+                })
+                .setOnDismissListener(dialogInterface -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(thingEditText.getWindowToken(), 0);
+                    }
+                })
+                .show();
+    }
+
+    private void random() {
+        RandomBottomSheetFragment randomBottomSheetFragment = new RandomBottomSheetFragment();
+        Bundle bundle = new Bundle();
+        bundle.putBoolean(RandomBottomSheetFragment.EXTRA_IS_NSFW, !mSharedPreferences.getBoolean(SharedPreferencesUtils.DISABLE_NSFW_FOREVER, false) && mNsfwAndSpoilerSharedPreferences.getBoolean((mAccountName == null ? "" : mAccountName) + SharedPreferencesUtils.NSFW_BASE, false));
+        randomBottomSheetFragment.setArguments(bundle);
+        randomBottomSheetFragment.show(getSupportFragmentManager(), randomBottomSheetFragment.getTag());
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.view_multi_reddit_detail_activity, menu);
@@ -299,6 +591,7 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
         applyAppBarLayoutAndCollapsingToolbarLayoutAndToolbarTheme(appBarLayout, collapsingToolbarLayout, toolbar);
+        applyFABTheme(fab);
     }
 
     @Override
@@ -320,4 +613,91 @@ public class ViewMultiRedditDetailActivity extends BaseActivity implements SortT
     public void markPostAsRead(Post post) {
         InsertReadPost.insertReadPost(mRedditDataRoomDatabase, mExecutor, mAccountName, post.getId());
     }
+
+    @Override
+    public void postTypeSelected(int postType) {
+        Intent intent;
+        switch (postType) {
+            case PostTypeBottomSheetFragment.TYPE_TEXT:
+                intent = new Intent(this, PostTextActivity.class);
+                startActivity(intent);
+                break;
+            case PostTypeBottomSheetFragment.TYPE_LINK:
+                intent = new Intent(this, PostLinkActivity.class);
+                startActivity(intent);
+                break;
+            case PostTypeBottomSheetFragment.TYPE_IMAGE:
+                intent = new Intent(this, PostImageActivity.class);
+                startActivity(intent);
+                break;
+            case PostTypeBottomSheetFragment.TYPE_VIDEO:
+                intent = new Intent(this, PostVideoActivity.class);
+                startActivity(intent);
+                break;
+            case PostTypeBottomSheetFragment.TYPE_GALLERY:
+                intent = new Intent(this, PostGalleryActivity.class);
+                startActivity(intent);
+                break;
+            case PostTypeBottomSheetFragment.TYPE_POLL:
+                intent = new Intent(this, PostPollActivity.class);
+                startActivity(intent);
+        }
+    }
+
+    @Override
+    public void fabOptionSelected(int option) {
+        switch (option) {
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_SUBMIT_POST:
+                PostTypeBottomSheetFragment postTypeBottomSheetFragment = new PostTypeBottomSheetFragment();
+                postTypeBottomSheetFragment.show(getSupportFragmentManager(), postTypeBottomSheetFragment.getTag());
+                break;
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_REFRESH:
+                if (mFragment instanceof PostFragment) {
+                    ((PostFragment) mFragment).refresh();
+                }
+                break;
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_CHANGE_SORT_TYPE:
+                sortTypeBottomSheetFragment.show(getSupportFragmentManager(), sortTypeBottomSheetFragment.getTag());
+                break;
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_CHANGE_POST_LAYOUT:
+                PostLayoutBottomSheetFragment postLayoutBottomSheetFragment = new PostLayoutBottomSheetFragment();
+                postLayoutBottomSheetFragment.show(getSupportFragmentManager(), postLayoutBottomSheetFragment.getTag());
+                break;
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_SEARCH:
+                Intent intent = new Intent(this, SearchActivity.class);
+                startActivity(intent);
+                break;
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_GO_TO_SUBREDDIT: {
+                goToSubreddit();
+                break;
+            }
+            case FABMoreOptionsBottomSheetFragment.FAB_OPTION_GO_TO_USER: {
+                goToUser();
+                break;
+            }
+            case FABMoreOptionsBottomSheetFragment.FAB_RANDOM: {
+                random();
+                break;
+            }
+            case FABMoreOptionsBottomSheetFragment.FAB_HIDE_READ_POSTS: {
+                if (mFragment instanceof PostFragment) {
+                    ((PostFragment) mFragment).hideReadPosts();
+                }
+                break;
+            }
+            case FABMoreOptionsBottomSheetFragment.FAB_FILTER_POSTS: {
+                if (mFragment instanceof PostFragment) {
+                    ((PostFragment) mFragment).filterPosts();
+                }
+                break;
+            }
+        }
+    }
+
+    @Override
+    public void randomOptionSelected(int option) {
+        Intent intent = new Intent(this, FetchRandomSubredditOrPostActivity.class);
+        intent.putExtra(FetchRandomSubredditOrPostActivity.EXTRA_RANDOM_OPTION, option);
+        startActivity(intent);
+    }
 }
diff --git a/app/src/main/res/layout/activity_view_multi_reddit_detail.xml b/app/src/main/res/layout/activity_view_multi_reddit_detail.xml
index de606f75..460dcd04 100644
--- a/app/src/main/res/layout/activity_view_multi_reddit_detail.xml
+++ b/app/src/main/res/layout/activity_view_multi_reddit_detail.xml
@@ -39,4 +39,11 @@
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior" />
 
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab_view_multi_reddit_detail_activity"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/fab_margin"
+        android:layout_gravity="bottom|end" />
+
 </androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file