Continue adding post filter.

app/src/main/AndroidManifest.xml

@@ -32,7 +32,11 @@
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true"
         tools:replace="android:label">
-        <activity android:name=".activities.PostFilterPreferenceActivity"
+        <activity android:name=".activities.PostFilterUsageListingActivity"
+            android:parentActivityName=".activities.SettingsActivity"
+            android:theme="@style/AppTheme.NoActionBar" />
+        <activity
+            android:name=".activities.PostFilterPreferenceActivity"
             android:label="@string/post_filter_preference_activity_label"
             android:parentActivityName=".activities.SettingsActivity"
             android:theme="@style/AppTheme.NoActionBar" />

app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java

@@ -22,6 +22,7 @@ import ml.docilealligator.infinityforreddit.activities.InboxActivity;
 import ml.docilealligator.infinityforreddit.activities.LinkResolverActivity;
 import ml.docilealligator.infinityforreddit.activities.LoginActivity;
 import ml.docilealligator.infinityforreddit.activities.MainActivity;
+import ml.docilealligator.infinityforreddit.activities.PostFilterUsageListingActivity;
 import ml.docilealligator.infinityforreddit.activities.PostFilterPreferenceActivity;
 import ml.docilealligator.infinityforreddit.activities.PostImageActivity;
 import ml.docilealligator.infinityforreddit.activities.PostLinkActivity;
@@ -236,4 +237,6 @@ public interface AppComponent {
     void inject(PostHistoryFragment postHistoryFragment);
 
     void inject(PostFilterPreferenceActivity postFilterPreferenceActivity);
+
+    void inject(PostFilterUsageListingActivity postFilterUsageListingActivity);
 }

app/src/main/java/ml/docilealligator/infinityforreddit/activities/CustomThemeListingActivity.java

@@ -155,7 +155,7 @@ public class CustomThemeListingActivity extends BaseActivity implements
     @Override
     public void changeName(String oldThemeName) {
         View dialogView = getLayoutInflater().inflate(R.layout.dialog_edit_name, null);
-        EditText themeNameEditText = dialogView.findViewById(R.id.theme_name_edit_text_edit_name_dialog);
+        EditText themeNameEditText = dialogView.findViewById(R.id.name_edit_text_edit_name_dialog);
         themeNameEditText.setText(oldThemeName);
         themeNameEditText.requestFocus();
         InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
@@ -294,7 +294,7 @@ public class CustomThemeListingActivity extends BaseActivity implements
                                 .setPositiveButton(R.string.rename, (dialogInterface, i)
                                         -> {
                                     View dialogView = getLayoutInflater().inflate(R.layout.dialog_edit_name, null);
-                                    EditText themeNameEditText = dialogView.findViewById(R.id.theme_name_edit_text_edit_name_dialog);
+                                    EditText themeNameEditText = dialogView.findViewById(R.id.name_edit_text_edit_name_dialog);
                                     themeNameEditText.setText(customTheme.name);
                                     themeNameEditText.requestFocus();
                                     InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterPreferenceActivity.java

@@ -14,6 +14,8 @@ import androidx.recyclerview.widget.RecyclerView;
 import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
+import java.util.concurrent.Executor;
+
 import javax.inject.Inject;
 import javax.inject.Named;
 
@@ -25,6 +27,7 @@ import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.adapters.FilterFragmentPostFilterRecyclerViewAdapter;
 import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostFilterOptionsBottomSheetFragment;
 import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.postfilter.DeletePostFilter;
 import ml.docilealligator.infinityforreddit.postfilter.PostFilter;
 import ml.docilealligator.infinityforreddit.postfilter.PostFilterViewModel;
 
@@ -47,6 +50,8 @@ public class PostFilterPreferenceActivity extends BaseActivity {
     RedditDataRoomDatabase redditDataRoomDatabase;
     @Inject
     CustomThemeWrapper customThemeWrapper;
+    @Inject
+    Executor executor;
     public PostFilterViewModel postFilterViewModel;
     private FilterFragmentPostFilterRecyclerViewAdapter adapter;
 
@@ -94,11 +99,13 @@ public class PostFilterPreferenceActivity extends BaseActivity {
     }
 
     public void applyPostFilterTo(PostFilter postFilter) {
-
+        Intent intent = new Intent(this, PostFilterUsageListingActivity.class);
+        intent.putExtra(PostFilterUsageListingActivity.EXTRA_POST_FILTER, postFilter);
+        startActivity(intent);
     }
 
     public void deletePostFilter(PostFilter postFilter) {
-
+        DeletePostFilter.deletePostFilter(redditDataRoomDatabase, executor, postFilter);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostFilterUsageListingActivity.java

@@ -0,0 +1,197 @@
+package ml.docilealligator.infinityforreddit.activities;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.ColorStateList;
+import android.os.Bundle;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.dialog.MaterialAlertDialogBuilder;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.textfield.TextInputEditText;
+import com.google.android.material.textfield.TextInputLayout;
+
+import java.util.concurrent.Executor;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.Infinity;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+import ml.docilealligator.infinityforreddit.adapters.PostFilterUsageRecyclerViewAdapter;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.NewPostFilterUsageBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.PostFilterUsageOptionsBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.postfilter.DeletePostFilterUsage;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilter;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterUsage;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterUsageViewModel;
+import ml.docilealligator.infinityforreddit.postfilter.SavePostFilterUsage;
+
+public class PostFilterUsageListingActivity extends BaseActivity {
+
+    public static final String EXTRA_POST_FILTER = "EPF";
+    @BindView(R.id.coordinator_layout_post_filter_application_activity)
+    CoordinatorLayout coordinatorLayout;
+    @BindView(R.id.appbar_layout_post_filter_application_activity)
+    AppBarLayout appBarLayout;
+    @BindView(R.id.toolbar_post_filter_application_activity)
+    Toolbar toolbar;
+    @BindView(R.id.recycler_view_post_filter_application_activity)
+    RecyclerView recyclerView;
+    @BindView(R.id.fab_post_filter_application_activity)
+    FloatingActionButton fab;
+    @Inject
+    @Named("default")
+    SharedPreferences sharedPreferences;
+    @Inject
+    RedditDataRoomDatabase redditDataRoomDatabase;
+    @Inject
+    CustomThemeWrapper customThemeWrapper;
+    @Inject
+    Executor executor;
+    public PostFilterUsageViewModel postFilterUsageViewModel;
+    private PostFilterUsageRecyclerViewAdapter adapter;
+    private PostFilter postFilter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        ((Infinity) getApplication()).getAppComponent().inject(this);
+
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_post_filter_application);
+
+        ButterKnife.bind(this);
+
+        applyCustomTheme();
+
+        setSupportActionBar(toolbar);
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        postFilter = getIntent().getParcelableExtra(EXTRA_POST_FILTER);
+
+        setTitle(postFilter.name);
+
+        fab.setOnClickListener(view -> {
+            NewPostFilterUsageBottomSheetFragment newPostFilterUsageBottomSheetFragment = new NewPostFilterUsageBottomSheetFragment();
+            newPostFilterUsageBottomSheetFragment.show(getSupportFragmentManager(), newPostFilterUsageBottomSheetFragment.getTag());
+        });
+
+        adapter = new PostFilterUsageRecyclerViewAdapter(this, postFilterUsage -> {
+            PostFilterUsageOptionsBottomSheetFragment postFilterUsageOptionsBottomSheetFragment = new PostFilterUsageOptionsBottomSheetFragment();
+            Bundle bundle = new Bundle();
+            bundle.putParcelable(PostFilterUsageOptionsBottomSheetFragment.EXTRA_POST_FILTER_USAGE, postFilterUsage);
+            postFilterUsageOptionsBottomSheetFragment.setArguments(bundle);
+            postFilterUsageOptionsBottomSheetFragment.show(getSupportFragmentManager(), postFilterUsageOptionsBottomSheetFragment.getTag());
+        });
+        recyclerView.setAdapter(adapter);
+
+        postFilterUsageViewModel = new ViewModelProvider(this,
+                new PostFilterUsageViewModel.Factory(redditDataRoomDatabase, postFilter.name)).get(PostFilterUsageViewModel.class);
+
+        postFilterUsageViewModel.getPostFilterUsageListLiveData().observe(this, postFilterUsages -> adapter.setPostFilterUsages(postFilterUsages));
+    }
+
+    public void newPostFilterUsage(int type) {
+        switch (type) {
+            case PostFilterUsage.HOME_TYPE:
+            case PostFilterUsage.SEARCH_TYPE:
+                PostFilterUsage postFilterUsage = new PostFilterUsage(postFilter.name, type, PostFilterUsage.NO_USAGE);
+                SavePostFilterUsage.savePostFilterUsage(redditDataRoomDatabase, executor, postFilterUsage);
+                break;
+            case PostFilterUsage.SUBREDDIT_TYPE:
+            case PostFilterUsage.USER_TYPE:
+            case PostFilterUsage.MULTIREDDIT_TYPE:
+                editAndPostFilterUsageNameOfUsage(type, null);
+                break;
+        }
+    }
+
+    private void editAndPostFilterUsageNameOfUsage(int type, String nameOfUsage) {
+        View dialogView = getLayoutInflater().inflate(R.layout.dialog_edit_post_filter_name_of_usage, null);
+        TextInputLayout textInputLayout = dialogView.findViewById(R.id.text_input_layout_edit_post_filter_name_of_usage_dialog);
+        TextInputEditText textInputEditText = dialogView.findViewById(R.id.text_input_edit_text_edit_post_filter_name_of_usage_dialog);
+        int primaryTextColor = customThemeWrapper.getPrimaryTextColor();
+        textInputLayout.setBoxStrokeColor(primaryTextColor);
+        textInputLayout.setDefaultHintTextColor(ColorStateList.valueOf(primaryTextColor));
+        textInputEditText.setTextColor(primaryTextColor);
+        if (nameOfUsage != null && !nameOfUsage.equals(PostFilterUsage.NO_USAGE)) {
+            textInputEditText.setText(nameOfUsage);
+        }
+        textInputEditText.requestFocus();
+        switch (type) {
+            case PostFilterUsage.SUBREDDIT_TYPE:
+                textInputEditText.setHint(R.string.settings_tab_subreddit_name);
+                break;
+            case PostFilterUsage.USER_TYPE:
+                textInputEditText.setHint(R.string.settings_tab_username);
+                break;
+            case PostFilterUsage.MULTIREDDIT_TYPE:
+                textInputEditText.setHint(R.string.settings_tab_multi_reddit_name);
+                break;
+        }
+
+        InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (imm != null) {
+            imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);
+        }
+        new MaterialAlertDialogBuilder(this, R.style.MaterialAlertDialogTheme)
+                .setTitle(R.string.edit_post_filter_name_of_usage_info)
+                .setView(dialogView)
+                .setPositiveButton(R.string.ok, (editTextDialogInterface, i1)
+                        -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(textInputEditText.getWindowToken(), 0);
+                    }
+
+                    PostFilterUsage postFilterUsage;
+                    if (textInputEditText.getText().toString().equals("")) {
+                        postFilterUsage = new PostFilterUsage(postFilter.name, type, PostFilterUsage.NO_USAGE);
+                    } else {
+                        postFilterUsage = new PostFilterUsage(postFilter.name, type, textInputEditText.getText().toString());
+                    }
+
+                    SavePostFilterUsage.savePostFilterUsage(redditDataRoomDatabase, executor, postFilterUsage);
+                })
+                .setNegativeButton(R.string.cancel, null)
+                .setOnDismissListener(editTextDialogInterface -> {
+                    if (imm != null) {
+                        imm.hideSoftInputFromWindow(textInputEditText.getWindowToken(), 0);
+                    }
+                })
+                .show();
+    }
+
+    public void editPostFilterUsage(PostFilterUsage postFilterUsage) {
+        editAndPostFilterUsageNameOfUsage(postFilterUsage.usage, postFilterUsage.nameOfUsage);
+    }
+
+    public void deletePostFilterUsage(PostFilterUsage postFilterUsage) {
+        DeletePostFilterUsage.deletePostFilterUsage(redditDataRoomDatabase, executor, postFilterUsage);
+    }
+
+    @Override
+    protected SharedPreferences getDefaultSharedPreferences() {
+        return sharedPreferences;
+    }
+
+    @Override
+    protected CustomThemeWrapper getCustomThemeWrapper() {
+        return customThemeWrapper;
+    }
+
+    @Override
+    protected void applyCustomTheme() {
+        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/CustomizeThemeRecyclerViewAdapter.java

@@ -88,7 +88,7 @@ public class CustomizeThemeRecyclerViewAdapter extends RecyclerView.Adapter<Recy
             ((ThemeNameItemViewHolder) holder).themeNameTextView.setText(themeName);
             holder.itemView.setOnClickListener(view -> {
                 View dialogView = activity.getLayoutInflater().inflate(R.layout.dialog_edit_name, null);
-                EditText themeNameEditText = dialogView.findViewById(R.id.theme_name_edit_text_edit_name_dialog);
+                EditText themeNameEditText = dialogView.findViewById(R.id.name_edit_text_edit_name_dialog);
                 themeNameEditText.setText(themeName);
                 themeNameEditText.requestFocus();
                 InputMethodManager imm = (InputMethodManager) activity.getSystemService(Context.INPUT_METHOD_SERVICE);

app/src/main/java/ml/docilealligator/infinityforreddit/adapters/PostFilterUsageRecyclerViewAdapter.java

@@ -0,0 +1,93 @@
+package ml.docilealligator.infinityforreddit.adapters;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterUsage;
+
+public class PostFilterUsageRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private List<PostFilterUsage> postFilterUsages;
+    private OnItemClickListener onItemClickListener;
+    private Context context;
+
+    public interface OnItemClickListener {
+        void onClick(PostFilterUsage postFilterUsage);
+    }
+
+    public PostFilterUsageRecyclerViewAdapter(Context context,
+                                              OnItemClickListener onItemClickListener) {
+        this.context = context;
+        this.onItemClickListener = onItemClickListener;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new PostFilterUsageViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_post_filter_usage, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        PostFilterUsage postFilterUsage = postFilterUsages.get(position);
+        switch (postFilterUsage.usage) {
+            case PostFilterUsage.HOME_TYPE:
+                ((PostFilterUsageViewHolder) holder).usageTextView.setText(R.string.post_filter_usage_home);
+                break;
+            case PostFilterUsage.SUBREDDIT_TYPE:
+                if (postFilterUsage.nameOfUsage.equals(PostFilterUsage.NO_USAGE)) {
+                    ((PostFilterUsageViewHolder) holder).usageTextView.setText(R.string.post_filter_usage_subreddit_all);
+                } else {
+                    ((PostFilterUsageViewHolder) holder).usageTextView.setText(context.getString(R.string.post_filter_usage_subreddit, postFilterUsage.nameOfUsage));
+                }
+                break;
+            case PostFilterUsage.USER_TYPE:
+                if (postFilterUsage.nameOfUsage.equals(PostFilterUsage.NO_USAGE)) {
+                    ((PostFilterUsageViewHolder) holder).usageTextView.setText(R.string.post_filter_usage_user_all);
+                } else {
+                    ((PostFilterUsageViewHolder) holder).usageTextView.setText(context.getString(R.string.post_filter_usage_user, postFilterUsage.nameOfUsage));
+                }
+                break;
+            case PostFilterUsage.MULTIREDDIT_TYPE:
+                if (postFilterUsage.nameOfUsage.equals(PostFilterUsage.NO_USAGE)) {
+                    ((PostFilterUsageViewHolder) holder).usageTextView.setText(R.string.post_filter_usage_multireddit_all);
+                } else {
+                    ((PostFilterUsageViewHolder) holder).usageTextView.setText(context.getString(R.string.post_filter_usage_multireddit, postFilterUsage.nameOfUsage));
+                }
+                break;
+            case PostFilterUsage.SEARCH_TYPE:
+                ((PostFilterUsageViewHolder) holder).usageTextView.setText(R.string.post_filter_usage_search);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return postFilterUsages == null ? 0 : postFilterUsages.size();
+    }
+
+    public void setPostFilterUsages(List<PostFilterUsage> postFilterUsages) {
+        this.postFilterUsages = postFilterUsages;
+        notifyDataSetChanged();
+    }
+
+    private class PostFilterUsageViewHolder extends RecyclerView.ViewHolder {
+        TextView usageTextView;
+
+        public PostFilterUsageViewHolder(@NonNull View itemView) {
+            super(itemView);
+            usageTextView = (TextView) itemView;
+
+            usageTextView.setOnClickListener(view -> {
+                onItemClickListener.onClick(postFilterUsages.get(getAdapterPosition()));
+            });
+        }
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/NewPostFilterUsageBottomSheetFragment.java

@@ -0,0 +1,79 @@
+package ml.docilealligator.infinityforreddit.bottomsheetfragments;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+
+import com.deishelon.roundedbottomsheet.RoundedBottomSheetDialogFragment;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.activities.PostFilterUsageListingActivity;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterUsage;
+
+public class NewPostFilterUsageBottomSheetFragment extends RoundedBottomSheetDialogFragment {
+
+    @BindView(R.id.home_text_view_new_post_filter_usage_bottom_sheet_fragment)
+    TextView homeTextView;
+    @BindView(R.id.subreddit_text_view_new_post_filter_usage_bottom_sheet_fragment)
+    TextView subredditTextView;
+    @BindView(R.id.user_text_view_new_post_filter_usage_bottom_sheet_fragment)
+    TextView userTextView;
+    @BindView(R.id.multireddit_text_view_new_post_filter_usage_bottom_sheet_fragment)
+    TextView multiRedditTextView;
+    @BindView(R.id.search_text_view_new_post_filter_usage_bottom_sheet_fragment)
+    TextView searchTextView;
+    private PostFilterUsageListingActivity activity;
+
+    public NewPostFilterUsageBottomSheetFragment() {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View rootView = inflater.inflate(R.layout.fragment_new_post_filter_usage_bottom_sheet, container, false);
+
+        ButterKnife.bind(this, rootView);
+
+        homeTextView.setOnClickListener(view -> {
+            activity.newPostFilterUsage(PostFilterUsage.HOME_TYPE);
+            dismiss();
+        });
+
+        subredditTextView.setOnClickListener(view -> {
+            activity.newPostFilterUsage(PostFilterUsage.SUBREDDIT_TYPE);
+            dismiss();
+        });
+
+        userTextView.setOnClickListener(view -> {
+            activity.newPostFilterUsage(PostFilterUsage.USER_TYPE);
+            dismiss();
+        });
+
+        multiRedditTextView.setOnClickListener(view -> {
+            activity.newPostFilterUsage(PostFilterUsage.MULTIREDDIT_TYPE);
+            dismiss();
+        });
+
+        searchTextView.setOnClickListener(view -> {
+            activity.newPostFilterUsage(PostFilterUsage.SEARCH_TYPE);
+            dismiss();
+        });
+
+        return rootView;
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        activity = (PostFilterUsageListingActivity) context;
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/bottomsheetfragments/PostFilterUsageOptionsBottomSheetFragment.java

@@ -0,0 +1,66 @@
+package ml.docilealligator.infinityforreddit.bottomsheetfragments;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+
+import com.deishelon.roundedbottomsheet.RoundedBottomSheetDialogFragment;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.activities.PostFilterUsageListingActivity;
+import ml.docilealligator.infinityforreddit.postfilter.PostFilterUsage;
+
+public class PostFilterUsageOptionsBottomSheetFragment extends RoundedBottomSheetDialogFragment {
+
+    public static final String EXTRA_POST_FILTER_USAGE = "EPFU";
+
+    @BindView(R.id.edit_text_view_post_filter_usage_options_bottom_sheet_fragment)
+    TextView editTextView;
+    @BindView(R.id.delete_text_view_post_filter_usage_options_bottom_sheet_fragment)
+    TextView deleteTextView;
+    private PostFilterUsageListingActivity activity;
+
+    public PostFilterUsageOptionsBottomSheetFragment() {
+        // Required empty public constructor
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View rootView = inflater.inflate(R.layout.fragment_post_filter_usage_options_bottom_sheet, container, false);
+
+        ButterKnife.bind(this, rootView);
+
+        PostFilterUsage postFilterUsage = getArguments().getParcelable(EXTRA_POST_FILTER_USAGE);
+
+        if (postFilterUsage.usage == PostFilterUsage.HOME_TYPE || postFilterUsage.usage == PostFilterUsage.SEARCH_TYPE) {
+            editTextView.setVisibility(View.GONE);
+        } else {
+            editTextView.setOnClickListener(view -> {
+                activity.editPostFilterUsage(postFilterUsage);
+                dismiss();
+            });
+        }
+
+        deleteTextView.setOnClickListener(view -> {
+            activity.deletePostFilterUsage(postFilterUsage);
+            dismiss();
+        });
+
+        return rootView;
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        activity = (PostFilterUsageListingActivity) context;
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/DeletePostFilter.java

@@ -0,0 +1,16 @@
+package ml.docilealligator.infinityforreddit.postfilter;
+
+import java.util.concurrent.Executor;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class DeletePostFilter {
+    public static void deletePostFilter(RedditDataRoomDatabase redditDataRoomDatabase, Executor executor, PostFilter postFilter) {
+        executor.execute(new Runnable() {
+            @Override
+            public void run() {
+                redditDataRoomDatabase.postFilterDao().deletePostFilter(postFilter);
+            }
+        });
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/DeletePostFilterUsage.java

@@ -0,0 +1,12 @@
+package ml.docilealligator.infinityforreddit.postfilter;
+
+import java.util.concurrent.Executor;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class DeletePostFilterUsage {
+    public static void deletePostFilterUsage(RedditDataRoomDatabase redditDataRoomDatabase, Executor executor,
+                                             PostFilterUsage postFilterUsage) {
+        executor.execute(() -> redditDataRoomDatabase.postFilterUsageDao().deletePostFilterUsage(postFilterUsage));
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterUsage.java

@@ -1,5 +1,8 @@
 package ml.docilealligator.infinityforreddit.postfilter;
 
+import android.os.Parcel;
+import android.os.Parcelable;
+
 import androidx.annotation.NonNull;
 import androidx.room.ColumnInfo;
 import androidx.room.Entity;
@@ -8,7 +11,14 @@ import androidx.room.ForeignKey;
 @Entity(tableName = "post_filter_usage", primaryKeys = {"name", "usage", "name_of_usage"},
         foreignKeys = @ForeignKey(entity = PostFilter.class, parentColumns = "name",
                 childColumns = "name", onDelete = ForeignKey.CASCADE))
-public class PostFilterUsage {
+public class PostFilterUsage implements Parcelable {
+    public static final int HOME_TYPE = 1;
+    public static final int SUBREDDIT_TYPE = 2;
+    public static final int USER_TYPE = 3;
+    public static final int MULTIREDDIT_TYPE = 4;
+    public static final int SEARCH_TYPE = 5;
+    public static final String NO_USAGE = "--";
+
     @NonNull
     @ColumnInfo(name = "name")
     public String name;
@@ -21,6 +31,40 @@ public class PostFilterUsage {
     public PostFilterUsage(@NonNull String name, int usage, String nameOfUsage) {
         this.name = name;
         this.usage = usage;
-        this.nameOfUsage = nameOfUsage;
+        if (nameOfUsage == null || nameOfUsage.equals("")) {
+            this.nameOfUsage = NO_USAGE;
+        } else {
+            this.nameOfUsage = nameOfUsage;
+        }
+    }
+
+    protected PostFilterUsage(Parcel in) {
+        name = in.readString();
+        usage = in.readInt();
+        nameOfUsage = in.readString();
+    }
+
+    public static final Creator<PostFilterUsage> CREATOR = new Creator<PostFilterUsage>() {
+        @Override
+        public PostFilterUsage createFromParcel(Parcel in) {
+            return new PostFilterUsage(in);
+        }
+
+        @Override
+        public PostFilterUsage[] newArray(int size) {
+            return new PostFilterUsage[size];
+        }
+    };
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel parcel, int i) {
+        parcel.writeString(name);
+        parcel.writeInt(usage);
+        parcel.writeString(nameOfUsage);
     }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterUsageDao.java

@@ -1,7 +1,22 @@
 package ml.docilealligator.infinityforreddit.postfilter;
 
+import androidx.lifecycle.LiveData;
 import androidx.room.Dao;
+import androidx.room.Delete;
+import androidx.room.Insert;
+import androidx.room.OnConflictStrategy;
+import androidx.room.Query;
+
+import java.util.List;
 
 @Dao
 public interface PostFilterUsageDao {
+    @Query("SELECT * FROM post_filter_usage WHERE name = :name")
+    LiveData<List<PostFilterUsage>> getAllPostFilterUsageLiveData(String name);
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insertPostFilterUsage(PostFilterUsage postFilterUsage);
+
+    @Delete
+    void deletePostFilterUsage(PostFilterUsage postFilterUsage);
 }

app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/PostFilterUsageViewModel.java

@@ -0,0 +1,38 @@
+package ml.docilealligator.infinityforreddit.postfilter;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.ViewModel;
+import androidx.lifecycle.ViewModelProvider;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class PostFilterUsageViewModel extends ViewModel {
+    private LiveData<List<PostFilterUsage>> mPostFilterUsageListLiveData;
+
+    public PostFilterUsageViewModel(RedditDataRoomDatabase redditDataRoomDatabase, String name) {
+        mPostFilterUsageListLiveData = redditDataRoomDatabase.postFilterUsageDao().getAllPostFilterUsageLiveData(name);
+    }
+
+    public LiveData<List<PostFilterUsage>> getPostFilterUsageListLiveData() {
+        return mPostFilterUsageListLiveData;
+    }
+
+    public static class Factory extends ViewModelProvider.NewInstanceFactory {
+
+        private final RedditDataRoomDatabase mRedditDataRoomDatabase;
+        private final String mName;
+
+        public Factory(RedditDataRoomDatabase redditDataRoomDatabase, String name) {
+            mRedditDataRoomDatabase = redditDataRoomDatabase;
+            mName = name;
+        }
+
+        @Override
+        public <T extends ViewModel> T create(Class<T> modelClass) {
+            //noinspection unchecked
+            return (T) new PostFilterUsageViewModel(mRedditDataRoomDatabase, mName);
+        }
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/postfilter/SavePostFilterUsage.java

@@ -0,0 +1,12 @@
+package ml.docilealligator.infinityforreddit.postfilter;
+
+import java.util.concurrent.Executor;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class SavePostFilterUsage {
+    public static void savePostFilterUsage(RedditDataRoomDatabase redditDataRoomDatabase, Executor executor,
+                                           PostFilterUsage postFilterUsage) {
+        executor.execute(() -> redditDataRoomDatabase.postFilterUsageDao().insertPostFilterUsage(postFilterUsage));
+    }
+}

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

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/coordinator_layout_post_filter_application_activity"
+    tools:context=".activities.PostFilterUsageListingActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appbar_layout_post_filter_application_activity"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <com.google.android.material.appbar.CollapsingToolbarLayout
+            android:id="@+id/collapsing_toolbar_layout_post_filter_application_activity"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_scrollFlags="scroll|enterAlways"
+            app:titleEnabled="false"
+            app:toolbarId="@+id/toolbar_post_filter_application_activity">
+
+            <androidx.appcompat.widget.Toolbar
+                android:id="@+id/toolbar_post_filter_application_activity"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:minHeight="?attr/actionBarSize"
+                app:popupTheme="@style/AppTheme.PopupOverlay"
+                app:navigationIcon="?attr/homeAsUpIndicator" />
+
+        </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view_post_filter_application_activity"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab_post_filter_application_activity"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_margin="@dimen/fab_margin"
+        android:layout_gravity="bottom|end"
+        app:backgroundTint="?attr/colorPrimaryLightTheme"
+        app:srcCompat="@drawable/ic_add_day_night_24dp"
+        app:tint="@android:color/white" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

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

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <EditText xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/theme_name_edit_text_edit_name_dialog"
+    android:id="@+id/name_edit_text_edit_name_dialog"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:padding="24dp"

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

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp"
+        android:paddingStart="24dp"
+        android:paddingEnd="24dp"
+        android:text="@string/edit_post_filter_name_of_usage_info"
+        android:textColor="?attr/primaryTextColor"
+        android:textSize="?attr/font_default"
+        android:fontFamily="?attr/font_family" />
+
+    <com.google.android.material.textfield.TextInputLayout
+        android:id="@+id/text_input_layout_edit_post_filter_name_of_usage_dialog"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="8dp"
+        android:paddingBottom="8dp"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        style="@style/Widget.MaterialComponents.TextInputLayout.OutlinedBox">
+
+        <com.google.android.material.textfield.TextInputEditText
+            android:id="@+id/text_input_edit_text_edit_post_filter_name_of_usage_dialog"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:fontFamily="?attr/font_family"
+            android:textSize="?attr/font_default" />
+
+    </com.google.android.material.textfield.TextInputLayout>
+
+</LinearLayout>

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

@@ -0,0 +1,106 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:paddingBottom="8dp"
+    android:overScrollMode="never">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/home_text_view_new_post_filter_usage_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/home"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_home_black_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/subreddit_text_view_new_post_filter_usage_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/subreddit"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_subreddit_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/user_text_view_new_post_filter_usage_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/user"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_user_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/multireddit_text_view_new_post_filter_usage_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/multi_reddit"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_multi_reddit_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/search_text_view_new_post_filter_usage_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/search"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_search_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+    </LinearLayout>
+
+</androidx.core.widget.NestedScrollView>

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

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:paddingBottom="8dp"
+    android:overScrollMode="never">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/edit_text_view_post_filter_usage_options_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/edit"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_edit_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+        <TextView
+            android:id="@+id/delete_text_view_post_filter_usage_options_bottom_sheet_fragment"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/delete"
+            android:textColor="?attr/primaryTextColor"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family"
+            android:paddingTop="16dp"
+            android:paddingBottom="16dp"
+            android:paddingStart="32dp"
+            android:paddingEnd="32dp"
+            app:drawableStartCompat="@drawable/ic_delete_24dp"
+            android:drawablePadding="48dp"
+            android:clickable="true"
+            android:focusable="true"
+            android:background="?attr/selectableItemBackground" />
+
+    </LinearLayout>
+
+</androidx.core.widget.NestedScrollView>

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

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView
+    xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingTop="16dp"
+    android:paddingBottom="16dp"
+    android:paddingStart="72dp"
+    android:paddingEnd="16dp"
+    android:textColor="?attr/primaryTextColor"
+    android:textSize="?attr/font_16"
+    android:fontFamily="?attr/font_family"
+    android:clickable="true"
+    android:focusable="true"
+    android:background="?attr/selectableItemBackground" />

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

@@ -979,5 +979,16 @@
     <string name="post_filter_name_hint">Post Filter Name</string>
     <string name="post_filter_requires_a_name">What is the name of this post filter?</string>
     <string name="apply_post_filter_to">Apply to</string>
+    <string name="post_filter_usage_home">Home</string>
+    <string name="post_filter_usage_subreddit">Subreddit: %1$s</string>
+    <string name="post_filter_usage_subreddit_all">Subreddit</string>
+    <string name="post_filter_usage_user">User: %1$s</string>
+    <string name="post_filter_usage_user_all">User</string>
+    <string name="post_filter_usage_multireddit">MultiReddit: %1$s</string>
+    <string name="post_filter_usage_multireddit_all">MultiReddit</string>
+    <string name="post_filter_usage_search">Search</string>
+    <string name="subreddit">Subreddit</string>
+    <string name="user">User</string>
+    <string name="edit_post_filter_name_of_usage_info">Leave it blank to apply this post filter to all the subreddits / users / multireddits</string>
 
 </resources>