Display search history in SearchActivity. Save suggested sort type and nsfw info in database for SubredditData. Fix an issue in parsing posts.

app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchActivity.java

@@ -17,6 +17,9 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.Toolbar;
 import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
 
 import com.ferfalk.simplesearchview.SimpleSearchView;
 import com.google.android.material.appbar.AppBarLayout;
@@ -30,10 +33,14 @@ import javax.inject.Named;
 
 import butterknife.BindView;
 import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.Adapter.SearchActivityRecyclerViewAdapter;
+import ml.docilealligator.infinityforreddit.AsyncTask.GetCurrentAccountAsyncTask;
 import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
 import ml.docilealligator.infinityforreddit.Event.SwitchAccountEvent;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.RecentSearchQueryViewModel;
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.Utils.SharedPreferencesUtils;
 
 public class SearchActivity extends BaseActivity {
@@ -45,6 +52,8 @@ public class SearchActivity extends BaseActivity {
     static final String EXTRA_RETURN_SUBREDDIT_NAME = "ERSN";
     static final String EXTRA_RETURN_SUBREDDIT_ICON_URL = "ERSIURL";
 
+    private static final String NULL_ACCOUNT_NAME_STATE = "NANS";
+    private static final String ACCOUNT_NAME_STATE = "ANS";
     private static final String SUBREDDIT_NAME_STATE = "SNS";
     private static final String SUBREDDIT_IS_USER_STATE = "SIUS";
 
@@ -65,14 +74,27 @@ public class SearchActivity extends BaseActivity {
     TextView searchInTextView;
     @BindView(R.id.subreddit_name_text_view_search_activity)
     TextView subredditNameTextView;
+    @BindView(R.id.divider_search_activity)
+    View divider;
+    @BindView(R.id.recent_summary_text_view_search_activity)
+    TextView recentSummaryTextView;
+    @BindView(R.id.recycler_view_search_activity)
+    RecyclerView recyclerView;
+    @Inject
+    RedditDataRoomDatabase mRedditDataRoomDatabase;
     @Inject
     @Named("default")
     SharedPreferences mSharedPreferences;
     @Inject
     CustomThemeWrapper mCustomThemeWrapper;
+    private boolean mNullAccountName = false;
+    private String mAccountName;
     private String query;
     private String subredditName;
     private boolean subredditIsUser;
+    private boolean searchOnlySubreddits;
+    private SearchActivityRecyclerViewAdapter adapter;
+    RecentSearchQueryViewModel mRecentSearchQueryViewModel;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -96,7 +118,7 @@ public class SearchActivity extends BaseActivity {
 
         setSupportActionBar(toolbar);
 
-        boolean searchOnlySubreddits = getIntent().getBooleanExtra(EXTRA_SEARCH_ONLY_SUBREDDITS, false);
+        searchOnlySubreddits = getIntent().getBooleanExtra(EXTRA_SEARCH_ONLY_SUBREDDITS, false);
 
         simpleSearchView.setOnSearchViewListener(new SimpleSearchView.SearchViewListener() {
             @Override
@@ -123,23 +145,7 @@ public class SearchActivity extends BaseActivity {
         simpleSearchView.setOnQueryTextListener(new SimpleSearchView.OnQueryTextListener() {
             @Override
             public boolean onQueryTextSubmit(String query) {
-                if (searchOnlySubreddits) {
+                search(query);
-                    Intent intent = new Intent(SearchActivity.this, SearchSubredditsResultActivity.class);
-                    intent.putExtra(SearchSubredditsResultActivity.EXTRA_QUERY, query);
-                    startActivityForResult(intent, SUBREDDIT_SEARCH_REQUEST_CODE);
-                } else {
-                    Intent intent = new Intent(SearchActivity.this, SearchResultActivity.class);
-                    intent.putExtra(SearchResultActivity.EXTRA_QUERY, query);
-                    if (subredditName != null) {
-                        if (subredditIsUser) {
-                            intent.putExtra(SearchResultActivity.EXTRA_SUBREDDIT_NAME, "u_" + subredditName);
-                        } else {
-                            intent.putExtra(SearchResultActivity.EXTRA_SUBREDDIT_NAME, subredditName);
-                        }
-                    }
-                    startActivity(intent);
-                    finish();
-                }
                 return true;
             }
 
@@ -155,6 +161,8 @@ public class SearchActivity extends BaseActivity {
         });
 
         if (savedInstanceState != null) {
+            mNullAccountName = savedInstanceState.getBoolean(NULL_ACCOUNT_NAME_STATE);
+            mAccountName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
             subredditName = savedInstanceState.getString(SUBREDDIT_NAME_STATE);
             subredditIsUser = savedInstanceState.getBoolean(SUBREDDIT_IS_USER_STATE);
 
@@ -163,8 +171,15 @@ public class SearchActivity extends BaseActivity {
             } else {
                 subredditNameTextView.setText(subredditName);
             }
+
+            if (!mNullAccountName && mAccountName == null) {
+                getCurrentAccountAndInitializeViewPager();
+            } else {
+                bindView();
+            }
         } else {
             query = getIntent().getStringExtra(EXTRA_QUERY);
+            getCurrentAccountAndInitializeViewPager();
         }
 
         if (searchOnlySubreddits) {
@@ -185,6 +200,60 @@ public class SearchActivity extends BaseActivity {
         }
     }
 
+    private void getCurrentAccountAndInitializeViewPager() {
+        new GetCurrentAccountAsyncTask(mRedditDataRoomDatabase.accountDao(), account -> {
+            if (account == null) {
+                mNullAccountName = true;
+            } else {
+                mAccountName = account.getUsername();
+            }
+            bindView();
+        }).execute();
+    }
+
+    private void bindView() {
+        if (mAccountName != null) {
+            adapter = new SearchActivityRecyclerViewAdapter(this, mCustomThemeWrapper, this::search);
+            recyclerView.setNestedScrollingEnabled(false);
+            recyclerView.setLayoutManager(new LinearLayoutManager(this));
+            recyclerView.setAdapter(adapter);
+            mRecentSearchQueryViewModel = new ViewModelProvider(this,
+                    new RecentSearchQueryViewModel.Factory(mRedditDataRoomDatabase, mAccountName))
+                    .get(RecentSearchQueryViewModel.class);
+
+            mRecentSearchQueryViewModel.getAllRecentSearchQueries().observe(this, recentSearchQueries -> {
+                if (recentSearchQueries != null && !recentSearchQueries.isEmpty()) {
+                    divider.setVisibility(View.VISIBLE);
+                    recentSummaryTextView.setVisibility(View.VISIBLE);
+                } else {
+                    divider.setVisibility(View.GONE);
+                    recentSummaryTextView.setVisibility(View.GONE);
+                }
+                adapter.setRecentSearchQueries(recentSearchQueries);
+            });
+        }
+    }
+
+    private void search(String query) {
+        if (searchOnlySubreddits) {
+            Intent intent = new Intent(SearchActivity.this, SearchSubredditsResultActivity.class);
+            intent.putExtra(SearchSubredditsResultActivity.EXTRA_QUERY, query);
+            startActivityForResult(intent, SUBREDDIT_SEARCH_REQUEST_CODE);
+        } else {
+            Intent intent = new Intent(SearchActivity.this, SearchResultActivity.class);
+            intent.putExtra(SearchResultActivity.EXTRA_QUERY, query);
+            if (subredditName != null) {
+                if (subredditIsUser) {
+                    intent.putExtra(SearchResultActivity.EXTRA_SUBREDDIT_NAME, "u_" + subredditName);
+                } else {
+                    intent.putExtra(SearchResultActivity.EXTRA_SUBREDDIT_NAME, subredditName);
+                }
+            }
+            startActivity(intent);
+            finish();
+        }
+    }
+
     @Override
     public SharedPreferences getDefaultSharedPreferences() {
         return mSharedPreferences;
@@ -205,8 +274,11 @@ public class SearchActivity extends BaseActivity {
         simpleSearchView.setTextColor(toolbarPrimaryTextAndIconColorColor);
         simpleSearchView.setBackIconColor(toolbarPrimaryTextAndIconColorColor);
         simpleSearchView.setHintTextColor(mCustomThemeWrapper.getToolbarPrimaryTextAndIconColor());
-        searchInTextView.setTextColor(mCustomThemeWrapper.getColorAccent());
+        int colorAccent = mCustomThemeWrapper.getColorAccent();
+        searchInTextView.setTextColor(colorAccent);
         subredditNameTextView.setTextColor(mCustomThemeWrapper.getPrimaryTextColor());
+        divider.setBackgroundColor(mCustomThemeWrapper.getDividerColor());
+        recentSummaryTextView.setTextColor(colorAccent);
     }
 
     @Override
@@ -288,6 +360,8 @@ public class SearchActivity extends BaseActivity {
     @Override
     public void onSaveInstanceState(@NonNull Bundle outState) {
         super.onSaveInstanceState(outState);
+        outState.putBoolean(NULL_ACCOUNT_NAME_STATE, mNullAccountName);
+        outState.putString(ACCOUNT_NAME_STATE, mAccountName);
         outState.putString(SUBREDDIT_NAME_STATE, subredditName);
         outState.putBoolean(SUBREDDIT_IS_USER_STATE, subredditIsUser);
     }

app/src/main/java/ml/docilealligator/infinityforreddit/Activity/SearchResultActivity.java

@@ -51,6 +51,7 @@ import ml.docilealligator.infinityforreddit.FragmentCommunicator;
 import ml.docilealligator.infinityforreddit.Infinity;
 import ml.docilealligator.infinityforreddit.Post.PostDataSource;
 import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.InsertRecentSearchQuery;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.SortType;
 import ml.docilealligator.infinityforreddit.SortTypeSelectionCallback;
@@ -65,6 +66,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
     private static final String NULL_ACCESS_TOKEN_STATE = "NATS";
     private static final String ACCESS_TOKEN_STATE = "ATS";
     private static final String ACCOUNT_NAME_STATE = "ANS";
+    private static final String INSERT_SEARCH_QUERY_SUCCESS_STATE = "ISQSS";
     @BindView(R.id.coordinator_layout_search_result_activity)
     CoordinatorLayout coordinatorLayout;
     @BindView(R.id.appbar_layout_search_result_activity)
@@ -93,6 +95,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
     private String mAccountName;
     private String mQuery;
     private String mSubredditName;
+    private boolean mInsertSearchQuerySuccess;
     private FragmentManager fragmentManager;
     private SectionsPagerAdapter sectionsPagerAdapter;
     private SearchPostSortTypeBottomSheetFragment searchPostSortTypeBottomSheetFragment;
@@ -142,6 +145,17 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
         getSupportActionBar().setDisplayHomeAsUpEnabled(true);
         setToolbarGoToTop(toolbar);
 
+        // Get the intent, verify the action and get the query
+        Intent intent = getIntent();
+        String query = intent.getStringExtra(EXTRA_QUERY);
+
+        mSubredditName = intent.getStringExtra(EXTRA_SUBREDDIT_NAME);
+
+        if (query != null) {
+            mQuery = query;
+            setTitle(query);
+        }
+
         fragmentManager = getSupportFragmentManager();
 
         if (savedInstanceState == null) {
@@ -150,6 +164,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
             mNullAccessToken = savedInstanceState.getBoolean(NULL_ACCESS_TOKEN_STATE);
             mAccessToken = savedInstanceState.getString(ACCESS_TOKEN_STATE);
             mAccountName = savedInstanceState.getString(ACCOUNT_NAME_STATE);
+            mInsertSearchQuerySuccess = savedInstanceState.getBoolean(INSERT_SEARCH_QUERY_SUCCESS_STATE);
             if (!mNullAccessToken && mAccessToken == null) {
                 getCurrentAccountAndInitializeViewPager();
             } else {
@@ -166,17 +181,6 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
         searchUserAndSubredditSortTypeBottomSheetFragment = new SearchUserAndSubredditSortTypeBottomSheetFragment();
 
         postLayoutBottomSheetFragment = new PostLayoutBottomSheetFragment();
-
-        // Get the intent, verify the action and get the query
-        Intent intent = getIntent();
-        String query = intent.getStringExtra(EXTRA_QUERY);
-
-        mSubredditName = intent.getStringExtra(EXTRA_SUBREDDIT_NAME);
-
-        if (query != null) {
-            mQuery = query;
-            setTitle(query);
-        }
     }
 
     @Override
@@ -245,6 +249,10 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
                     break;
             }
         }).attach();
+        if (mAccountName != null && !mInsertSearchQuerySuccess && mQuery != null) {
+            InsertRecentSearchQuery.insertRecentSearchQueryListener(mRedditDataRoomDatabase, mAccountName,
+                    mQuery, () -> mInsertSearchQuerySuccess = true);
+        }
     }
 
     @Override
@@ -300,6 +308,7 @@ public class SearchResultActivity extends BaseActivity implements SortTypeSelect
         outState.putBoolean(NULL_ACCESS_TOKEN_STATE, mNullAccessToken);
         outState.putString(ACCESS_TOKEN_STATE, mAccessToken);
         outState.putString(ACCOUNT_NAME_STATE, mAccountName);
+        outState.putBoolean(INSERT_SEARCH_QUERY_SUCCESS_STATE, mInsertSearchQuerySuccess);
     }
 
     @Override

app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/MarkdownBottomBarRecyclerViewAdapter.java

@@ -65,7 +65,7 @@ public class MarkdownBottomBarRecyclerViewAdapter extends RecyclerView.Adapter<R
                     ((MarkdownBottomBarItemViewHolder) holder).imageView.setImageResource(R.drawable.ic_strikethrough_black_24dp);
                     break;
                 case HEADER:
-                    ((MarkdownBottomBarItemViewHolder) holder).imageView.setImageResource(R.drawable.ic_header_hashtag_black_24dp);
+                    ((MarkdownBottomBarItemViewHolder) holder).imageView.setImageResource(R.drawable.ic_title_24dp);
                     break;
                 case ORDERED_LIST:
                     ((MarkdownBottomBarItemViewHolder) holder).imageView.setImageResource(R.drawable.ic_ordered_list_black_24dp);

app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/SearchActivityRecyclerViewAdapter.java

@@ -0,0 +1,83 @@
+package ml.docilealligator.infinityforreddit.Adapter;
+
+import android.app.Activity;
+import android.graphics.drawable.Drawable;
+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 butterknife.BindView;
+import butterknife.ButterKnife;
+import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.RecentSearchQuery;
+import ml.docilealligator.infinityforreddit.Utils.Utils;
+
+public class SearchActivityRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+    private List<RecentSearchQuery> recentSearchQueries;
+    private int primaryTextColor;
+    private Drawable historyIcon;
+    private ItemOnClickListener itemOnClickListener;
+
+    public interface ItemOnClickListener {
+        void onClick(String query);
+    }
+
+    public SearchActivityRecyclerViewAdapter(Activity activity, CustomThemeWrapper customThemeWrapper,
+                                             ItemOnClickListener itemOnClickListener) {
+        this.primaryTextColor = customThemeWrapper.getPrimaryTextColor();
+        this.historyIcon = Utils.getTintedDrawable(activity, R.drawable.ic_history_24dp, customThemeWrapper.getPrimaryIconColor());
+        this.itemOnClickListener = itemOnClickListener;
+    }
+
+    @NonNull
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new RecentSearchQueryViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.item_recent_search_query, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
+        if (holder instanceof RecentSearchQueryViewHolder) {
+            if (recentSearchQueries != null && !recentSearchQueries.isEmpty() && position < recentSearchQueries.size()) {
+                ((RecentSearchQueryViewHolder) holder).recentSearchQueryTextView.setText(recentSearchQueries.get(position).getSearchQuery());
+            }
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return recentSearchQueries == null ? 0 : recentSearchQueries.size();
+    }
+
+    public void setRecentSearchQueries(List<RecentSearchQuery> recentSearchQueries) {
+        this.recentSearchQueries = recentSearchQueries;
+        notifyDataSetChanged();
+    }
+
+    class RecentSearchQueryViewHolder extends RecyclerView.ViewHolder {
+        @BindView(R.id.recent_search_query_text_view_item_recent_search_query)
+        TextView recentSearchQueryTextView;
+
+        public RecentSearchQueryViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            ButterKnife.bind(this, itemView);
+
+            recentSearchQueryTextView.setTextColor(primaryTextColor);
+            recentSearchQueryTextView.setCompoundDrawablesWithIntrinsicBounds(historyIcon, null, null, null);
+
+            itemView.setOnClickListener(view -> {
+                if (recentSearchQueries != null && !recentSearchQueries.isEmpty()) {
+                    itemOnClickListener.onClick(recentSearchQueries.get(getAdapterPosition()).getSearchQuery());
+                }
+            });
+        }
+    }
+}

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

@@ -100,9 +100,12 @@ class ParseSubscribedThing {
                         String sidebarDescription = data.getString(JSONUtils.DESCRIPTION_KEY);
                         int nSubscribers = data.getInt(JSONUtils.SUBSCRIBERS_KEY);
                         long createdUTC = data.getLong(JSONUtils.CREATED_UTC_KEY);
+                        String suggestedCommentSort = data.getString(JSONUtils.SUGGESTED_COMMENT_SORT_KEY);
+                        boolean isNSFW = data.getBoolean(JSONUtils.OVER18_KEY);
                         newSubscribedSubredditData.add(new SubscribedSubredditData(id, name, iconUrl, accountName, isFavorite));
                         newSubredditData.add(new SubredditData(id, subredditFullName, iconUrl,
-                                bannerImageUrl, description, sidebarDescription, nSubscribers, createdUTC));
+                                bannerImageUrl, description, sidebarDescription, nSubscribers, createdUTC,
+                                suggestedCommentSort, isNSFW));
                     }
                 }
                 lastItem = jsonResponse.getJSONObject(JSONUtils.DATA_KEY).getString(JSONUtils.AFTER_KEY);

app/src/main/java/ml/docilealligator/infinityforreddit/Post/ParsePost.java

@@ -118,7 +118,7 @@ public class ParsePost {
 
             JSONArray thumbnailPreviews = images.getJSONArray(JSONUtils.RESOLUTIONS_KEY);
             for (int i = 0; i < thumbnailPreviews.length(); i++) {
-                JSONObject thumbnailPreview = images.getJSONArray(JSONUtils.RESOLUTIONS_KEY).getJSONObject(2);
+                JSONObject thumbnailPreview = thumbnailPreviews.getJSONObject(i);
                 String thumbnailPreviewUrl = thumbnailPreview.getString(JSONUtils.URL_KEY);
                 int thumbnailPreviewWidth = thumbnailPreview.getInt(JSONUtils.WIDTH_KEY);
                 int thumbnailPreviewHeight = thumbnailPreview.getInt(JSONUtils.HEIGHT_KEY);

app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/InsertRecentSearchQuery.java

@@ -0,0 +1,53 @@
+package ml.docilealligator.infinityforreddit.RecentSearchQuery;
+
+import android.os.AsyncTask;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class InsertRecentSearchQuery {
+    public interface InsertRecentSearchQueryListener {
+        void success();
+    }
+
+    public static void insertRecentSearchQueryListener(RedditDataRoomDatabase redditDataRoomDatabase, String username,
+                                                String recentSearchQuery, InsertRecentSearchQueryListener insertRecentSearchQueryListener) {
+        new InsertRecentSearchQueryAsyncTask(redditDataRoomDatabase, username, recentSearchQuery, insertRecentSearchQueryListener).execute();
+    }
+
+    private static class InsertRecentSearchQueryAsyncTask extends AsyncTask<Void, Void, Void> {
+
+        private RecentSearchQueryDao recentSearchQueryDao;
+        private String username;
+        private String recentSearchQuery;
+        private InsertRecentSearchQueryListener insertRecentSearchQueryListener;
+
+        public InsertRecentSearchQueryAsyncTask(RedditDataRoomDatabase redditDataRoomDatabase, String username,
+                                                String recentSearchQuery, InsertRecentSearchQueryListener insertRecentSearchQueryListener) {
+            this.recentSearchQueryDao = redditDataRoomDatabase.recentSearchQueryDao();
+            this.username = username;
+            this.recentSearchQuery = recentSearchQuery;
+            this.insertRecentSearchQueryListener = insertRecentSearchQueryListener;
+        }
+
+        @Override
+        protected Void doInBackground(Void... voids) {
+            List<RecentSearchQuery> recentSearchQueries = recentSearchQueryDao.getAllRecentSearchQueries(username);
+            if (recentSearchQueries.size() >= 5) {
+                for (int i = 4; i < recentSearchQueries.size(); i++) {
+                    recentSearchQueryDao.deleteRecentSearchQueries(recentSearchQueries.get(i));
+                }
+            }
+
+            recentSearchQueryDao.insert(new RecentSearchQuery(username, recentSearchQuery));
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(Void aVoid) {
+            super.onPostExecute(aVoid);
+            insertRecentSearchQueryListener.success();
+        }
+    }
+}

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

@@ -0,0 +1,43 @@
+package ml.docilealligator.infinityforreddit.RecentSearchQuery;
+
+import androidx.annotation.NonNull;
+import androidx.room.ColumnInfo;
+import androidx.room.Entity;
+import androidx.room.ForeignKey;
+
+import ml.docilealligator.infinityforreddit.Account.Account;
+
+@Entity(tableName = "recent_search_queries", primaryKeys = {"username", "search_query"},
+        foreignKeys = @ForeignKey(entity = Account.class, parentColumns = "username",
+                childColumns = "username", onDelete = ForeignKey.CASCADE))
+public class RecentSearchQuery {
+    @NonNull
+    @ColumnInfo(name = "username")
+    private String username;
+    @NonNull
+    @ColumnInfo(name = "search_query")
+    private String searchQuery;
+
+    public RecentSearchQuery(@NonNull String username, @NonNull String searchQuery) {
+        this.username = username;
+        this.searchQuery = searchQuery;
+    }
+
+    @NonNull
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(@NonNull String username) {
+        this.username = username;
+    }
+
+    @NonNull
+    public String getSearchQuery() {
+        return searchQuery;
+    }
+
+    public void setSearchQuery(@NonNull String searchQuery) {
+        this.searchQuery = searchQuery;
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/RecentSearchQueryDao.java

@@ -0,0 +1,25 @@
+package ml.docilealligator.infinityforreddit.RecentSearchQuery;
+
+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 RecentSearchQueryDao {
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insert(RecentSearchQuery recentSearchQuery);
+
+    @Query("SELECT * FROM recent_search_queries WHERE username = :username")
+    LiveData<List<RecentSearchQuery>> getAllRecentSearchQueriesLiveData(String username);
+
+    @Query("SELECT * FROM recent_search_queries WHERE username = :username")
+    List<RecentSearchQuery> getAllRecentSearchQueries(String username);
+
+    @Delete
+    void deleteRecentSearchQueries(RecentSearchQuery recentSearchQuery);
+}

app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/RecentSearchQueryRepository.java

@@ -0,0 +1,19 @@
+package ml.docilealligator.infinityforreddit.RecentSearchQuery;
+
+import androidx.lifecycle.LiveData;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class RecentSearchQueryRepository {
+    private LiveData<List<RecentSearchQuery>> mAllRecentSearchQueries;
+
+    RecentSearchQueryRepository(RedditDataRoomDatabase redditDataRoomDatabase, String username) {
+        mAllRecentSearchQueries = redditDataRoomDatabase.recentSearchQueryDao().getAllRecentSearchQueriesLiveData(username);
+    }
+
+    LiveData<List<RecentSearchQuery>> getAllRecentSearchQueries() {
+        return mAllRecentSearchQueries;
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/RecentSearchQuery/RecentSearchQueryViewModel.java

@@ -0,0 +1,38 @@
+package ml.docilealligator.infinityforreddit.RecentSearchQuery;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.ViewModel;
+import androidx.lifecycle.ViewModelProvider;
+
+import java.util.List;
+
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+
+public class RecentSearchQueryViewModel extends ViewModel {
+    private LiveData<List<RecentSearchQuery>> mAllRecentSearchQueries;
+
+    public RecentSearchQueryViewModel(RedditDataRoomDatabase redditDataRoomDatabase, String username) {
+        mAllRecentSearchQueries = new RecentSearchQueryRepository(redditDataRoomDatabase, username).getAllRecentSearchQueries();
+    }
+
+    public LiveData<List<RecentSearchQuery>> getAllRecentSearchQueries() {
+        return mAllRecentSearchQueries;
+    }
+
+    public static class Factory extends ViewModelProvider.NewInstanceFactory {
+        private RedditDataRoomDatabase mRedditDataRoomDatabase;
+        private String mUsername;
+
+        public Factory(RedditDataRoomDatabase redditDataRoomDatabase, String username) {
+            mRedditDataRoomDatabase = redditDataRoomDatabase;
+            mUsername = username;
+        }
+
+        @NonNull
+        @Override
+        public <T extends ViewModel> T create(@NonNull Class<T> modelClass) {
+            return (T) new RecentSearchQueryViewModel(mRedditDataRoomDatabase, mUsername);
+        }
+    }
+}

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

@@ -16,6 +16,8 @@ import ml.docilealligator.infinityforreddit.CustomTheme.CustomTheme;
 import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeDao;
 import ml.docilealligator.infinityforreddit.MultiReddit.MultiReddit;
 import ml.docilealligator.infinityforreddit.MultiReddit.MultiRedditDao;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.RecentSearchQuery;
+import ml.docilealligator.infinityforreddit.RecentSearchQuery.RecentSearchQueryDao;
 import ml.docilealligator.infinityforreddit.Subreddit.SubredditDao;
 import ml.docilealligator.infinityforreddit.Subreddit.SubredditData;
 import ml.docilealligator.infinityforreddit.SubscribedSubreddit.SubscribedSubredditDao;
@@ -26,7 +28,7 @@ import ml.docilealligator.infinityforreddit.User.UserDao;
 import ml.docilealligator.infinityforreddit.User.UserData;
 
 @Database(entities = {Account.class, SubredditData.class, SubscribedSubredditData.class, UserData.class,
-        SubscribedUserData.class, MultiReddit.class, CustomTheme.class}, version = 9)
+        SubscribedUserData.class, MultiReddit.class, CustomTheme.class, RecentSearchQuery.class}, version = 10)
 public abstract class RedditDataRoomDatabase extends RoomDatabase {
     private static RedditDataRoomDatabase INSTANCE;
 
@@ -37,7 +39,8 @@ public abstract class RedditDataRoomDatabase extends RoomDatabase {
                     INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
                             RedditDataRoomDatabase.class, "reddit_data")
                             .addMigrations(MIGRATION_1_2, MIGRATION_2_3, MIGRATION_3_4, MIGRATION_4_5,
-                                    MIGRATION_5_6, MIGRATION_6_7, MIGRATION_7_8, MIGRATION_8_9)
+                                    MIGRATION_5_6, MIGRATION_6_7, MIGRATION_7_8, MIGRATION_8_9,
+                                    MIGRATION_9_10)
                             .build();
                 }
             }
@@ -59,6 +62,8 @@ public abstract class RedditDataRoomDatabase extends RoomDatabase {
 
     public abstract CustomThemeDao customThemeDao();
 
+    public abstract RecentSearchQueryDao recentSearchQueryDao();
+
     private static final Migration MIGRATION_1_2 = new Migration(1, 2) {
         @Override
         public void migrate(SupportSQLiteDatabase database) {
@@ -209,4 +214,19 @@ public abstract class RedditDataRoomDatabase extends RoomDatabase {
 
         }
     };
+
+    private static final Migration MIGRATION_9_10 = new Migration(9, 10) {
+        @Override
+        public void migrate(@NonNull SupportSQLiteDatabase database) {
+            database.execSQL("CREATE TABLE recent_search_queries" +
+                    "(username TEXT NOT NULL, search_query TEXT NOT NULL, PRIMARY KEY(username, search_query), " +
+                    "FOREIGN KEY(username) REFERENCES accounts(username) ON DELETE CASCADE)");
+
+            database.execSQL("ALTER TABLE subreddits"
+                    + " ADD COLUMN suggested_comment_sort TEXT");
+
+            database.execSQL("ALTER TABLE subreddits"
+                    + " ADD COLUMN over18 INTEGER DEFAULT 0 NOT NULL");
+        }
+    };
 }

app/src/main/java/ml/docilealligator/infinityforreddit/Subreddit/ParseSubredditData.java

@@ -8,7 +8,6 @@ import org.json.JSONObject;
 
 import java.util.ArrayList;
 
-import ml.docilealligator.infinityforreddit.Subreddit.SubredditData;
 import ml.docilealligator.infinityforreddit.Utils.JSONUtils;
 import ml.docilealligator.infinityforreddit.Utils.Utils;
 
@@ -27,6 +26,8 @@ class ParseSubredditData {
         String description = subredditDataJsonObject.getString(JSONUtils.PUBLIC_DESCRIPTION_KEY).trim();
         String sidebarDescription = Utils.modifyMarkdown(subredditDataJsonObject.getString(JSONUtils.DESCRIPTION_KEY).trim());
         long createdUTC = subredditDataJsonObject.getLong(JSONUtils.CREATED_UTC_KEY) * 1000;
+        String suggestedCommentSort = subredditDataJsonObject.getString(JSONUtils.SUGGESTED_COMMENT_SORT_KEY);
+        boolean isNSFW = subredditDataJsonObject.getBoolean(JSONUtils.OVER18_KEY);
 
         String bannerImageUrl;
         if (subredditDataJsonObject.isNull(JSONUtils.BANNER_BACKGROUND_IMAGE_KEY)) {
@@ -54,7 +55,7 @@ class ParseSubredditData {
         }
 
         return new SubredditData(id, subredditFullName, iconUrl, bannerImageUrl, description,
-                sidebarDescription, nSubscribers, createdUTC);
+                sidebarDescription, nSubscribers, createdUTC, suggestedCommentSort, isNSFW);
     }
 
     interface ParseSubredditDataListener {

app/src/main/java/ml/docilealligator/infinityforreddit/Subreddit/SubredditData.java

@@ -25,9 +25,14 @@ public class SubredditData {
     private int nSubscribers;
     @ColumnInfo(name = "created_utc")
     private long createdUTC;
+    @ColumnInfo(name = "suggested_comment_sort")
+    private String suggestedCommentSort;
+    @ColumnInfo(name = "over18")
+    private boolean isNSFW;
 
     public SubredditData(@NonNull String id, String name, String iconUrl, String bannerUrl,
-                         String description, String sidebarDescription, int nSubscribers, long createdUTC) {
+                         String description, String sidebarDescription, int nSubscribers, long createdUTC,
+                         String suggestedCommentSort, boolean isNSFW) {
         this.id = id;
         this.name = name;
         this.iconUrl = iconUrl;
@@ -36,6 +41,8 @@ public class SubredditData {
         this.sidebarDescription = sidebarDescription;
         this.nSubscribers = nSubscribers;
         this.createdUTC = createdUTC;
+        this.suggestedCommentSort = suggestedCommentSort;
+        this.isNSFW = isNSFW;
     }
 
     @NonNull
@@ -70,4 +77,12 @@ public class SubredditData {
     public long getCreatedUTC() {
         return createdUTC;
     }
+
+    public String getSuggestedCommentSort() {
+        return suggestedCommentSort;
+    }
+
+    public boolean isNSFW() {
+        return isNSFW;
+    }
 }

app/src/main/java/ml/docilealligator/infinityforreddit/Utils/JSONUtils.java

@@ -125,4 +125,6 @@ public class JSONUtils {
     public static final String GIF_KEY = "gif";
     public static final String MAX_EMOJIS_KEY = "max_emojis";
     public static final String RICHTEXT_KEY = "richtext";
+    public static final String SUGGESTED_COMMENT_SORT_KEY = "suggested_comment_sort";
+    public static final String OVER18_KEY = "over18";
 }

app/src/main/res/drawable/ic_header_hashtag_black_24dp.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportWidth="48"
-    android:viewportHeight="48">
-  <path
-      android:pathData="M35.4182,18.3369c-0.2456,-0.3018 -0.6104,-0.4678 -1.0273,-0.4678H31.0766l0.9194,-4.4711c0.0864,-0.4199 -0.0063,-0.8359 -0.2549,-1.1406c-0.2461,-0.3008 -0.6108,-0.4668 -1.0278,-0.4668c-0.8237,0 -1.6011,0.6435 -1.77,1.4668l-0.2498,1.2147c-0.0082,0.0305 -0.0214,0.0594 -0.0277,0.0903l-0.6794,3.3066h-5.5789l0.9194,-4.4711c0.0864,-0.4199 -0.0063,-0.8359 -0.2549,-1.1406c-0.2461,-0.3008 -0.6108,-0.4668 -1.0278,-0.4668c-0.8237,0 -1.6011,0.6435 -1.77,1.4668l-0.2601,1.2647c-0.0032,0.0137 -0.0095,0.0266 -0.0124,0.0403l-0.6799,3.3066h-3.6087c-0.8237,0 -1.6016,0.6435 -1.7705,1.4658c-0.0864,0.4209 0.0068,0.8359 0.2554,1.1406c0.2461,0.3018 0.6108,0.4668 1.0273,0.4668h3.4649l-0.9841,4.7861h-3.6087c-0.8237,0 -1.6016,0.6435 -1.7705,1.4668c-0.0864,0.4189 0.0063,0.835 0.2544,1.1387c0.2461,0.3018 0.6113,0.4678 1.0283,0.4678h3.4649l-0.9244,4.4951c-0.0864,0.4199 0.0063,0.8359 0.2549,1.1406c0.2456,0.3008 0.6108,0.4668 1.0273,0.4668c0.8237,0 1.6016,-0.6435 1.7705,-1.4668l0.9533,-4.6357h5.5824l-0.9244,4.4951c-0.0864,0.4199 0.0063,0.8359 0.2549,1.1406c0.2461,0.3008 0.6108,0.4668 1.0278,0.4668c0.8237,0 1.6011,-0.6435 1.77,-1.4668l0.9533,-4.6357h3.4666c0.8237,0 1.6016,-0.6435 1.7705,-1.4658c0.0884,-0.4287 -0.001,-0.834 -0.2515,-1.1416c-0.2451,-0.3008 -0.6113,-0.4658 -1.0308,-0.4658h-3.3229l0.9837,-4.7861h3.4666c0.8237,0 1.6016,-0.6435 1.7705,-1.4668C35.7595,19.0566 35.6667,18.6406 35.4182,18.3369zM20.7882,25.7285l0.9837,-4.7861h5.5824l-0.9841,4.7861H20.7882z"
-      android:fillColor="#303030"/>
-</vector>

app/src/main/res/drawable/ic_history_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M13,3c-4.97,0 -9,4.03 -9,9L1,12l3.89,3.89 0.07,0.14L9,12L6,12c0,-3.87 3.13,-7 7,-7s7,3.13 7,7 -3.13,7 -7,7c-1.93,0 -3.68,-0.79 -4.94,-2.06l-1.42,1.42C8.27,19.99 10.51,21 13,21c4.97,0 9,-4.03 9,-9s-4.03,-9 -9,-9zM12,8v5l4.28,2.54 0.72,-1.21 -3.5,-2.08L13.5,8L12,8z"
+      android:fillColor="#000000"/>
+</vector>

app/src/main/res/drawable/ic_title_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:pathData="M5,5.5C5,6.33 5.67,7 6.5,7h4v10.5c0,0.83 0.67,1.5 1.5,1.5s1.5,-0.67 1.5,-1.5V7h4c0.83,0 1.5,-0.67 1.5,-1.5S18.33,4 17.5,4h-11C5.67,4 5,4.67 5,5.5z"
+      android:fillColor="#000000"/>
+</vector>

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

@@ -48,38 +48,64 @@
         android:layout_height="match_parent"
         app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
-        <RelativeLayout
+        <LinearLayout
-            android:id="@+id/subreddit_name_relative_layout_search_activity"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:background="?attr/selectableItemBackground"
+            android:orientation="vertical">
-            android:clickable="true"
+
-            android:focusable="true"
+            <RelativeLayout
-            android:padding="16dp">
+                android:id="@+id/subreddit_name_relative_layout_search_activity"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/selectableItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:padding="16dp">
+
+                <TextView
+                    android:id="@+id/search_in_text_view_search_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="@string/search_in"
+                    android:textColor="?attr/colorAccent"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family" />
+
+                <TextView
+                    android:id="@+id/subreddit_name_text_view_search_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_centerVertical="true"
+                    android:layout_marginStart="32dp"
+                    android:layout_marginEnd="16dp"
+                    android:layout_toEndOf="@id/search_in_text_view_search_activity"
+                    android:text="@string/all_subreddits"
+                    android:textColor="?attr/primaryTextColor"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family" />
+
+            </RelativeLayout>
+
+            <View
+                android:id="@+id/divider_search_activity"
+                android:layout_width="match_parent"
+                android:layout_height="1dp" />
 
             <TextView
-                android:id="@+id/search_in_text_view_search_activity"
+                android:id="@+id/recent_summary_text_view_search_activity"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="@string/search_in"
+                android:padding="16dp"
-                android:textColor="?attr/colorAccent"
+                android:text="@string/recent_searches"
-                android:textSize="?attr/font_default"
+                android:fontFamily="?attr/font_family"
-                android:fontFamily="?attr/font_family" />
+                android:visibility="gone" />
 
-            <TextView
+            <androidx.recyclerview.widget.RecyclerView
-                android:id="@+id/subreddit_name_text_view_search_activity"
+                android:id="@+id/recycler_view_search_activity"
-                android:layout_width="wrap_content"
+                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
+                android:layout_height="wrap_content" />
-                android:layout_centerVertical="true"
-                android:layout_marginStart="32dp"
-                android:layout_marginEnd="16dp"
-                android:layout_toEndOf="@id/search_in_text_view_search_activity"
-                android:text="@string/all_subreddits"
-                android:textColor="?attr/primaryTextColor"
-                android:textSize="?attr/font_default"
-                android:fontFamily="?attr/font_family" />
 
-        </RelativeLayout>
+        </LinearLayout>
 
     </androidx.core.widget.NestedScrollView>
 

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

@@ -0,0 +1,19 @@
+<?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="wrap_content"
+    android:padding="16dp"
+    android:clickable="true"
+    android:focusable="true"
+    android:background="?attr/selectableItemBackground">
+
+    <TextView
+        android:id="@+id/recent_search_query_text_view_item_recent_search_query"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:fontFamily="?attr/font_family"
+        android:textSize="?attr/font_default"
+        android:drawablePadding="16dp" />
+
+</LinearLayout>

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

@@ -912,4 +912,6 @@
     <string name="give_award_success">Award given</string>
     <string name="give_award_failed">Failed</string>
 
+    <string name="recent_searches">Recent searches</string>
+
 </resources>